7Baggers

Kaiser Aluminum Corporation
(NASDAQ:KALU) 

KALU stock logo

Kaiser Aluminum Corporation manufactures and sells semi-fabricated specialty aluminum mill products. The company provides rolled, extruded, and drawn aluminum products used principally for aerospace and defense, automotive, consumer durables, electronics, electrical, and machinery and equipment appl...

Founded: 1946
Full Time Employees: 2,585
Sector: Basic Materials
Industry: Aluminum

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 
                                                                                           
      net sales
    1,106,800,000 929,000,000 843,500,000 823,100,000 777,400,000 765,400,000 747,700,000 773,400,000 737,500,000 721,700,000 743,600,000 814,100,000 807,600,000 776,000,000 748,900,000 954,200,000 948,800,000 806,400,000 750,600,000 741,000,000 324,000,000 272,000,000 255,700,000 275,700,000 369,300,000 368,700,000 374,900,000 375,300,000 395,200,000 389,400,000 393,100,000 415,400,000 388,000,000 353,100,000 332,800,000 356,300,000 355,300,000 331,900,000 320,600,000 334,900,000 343,200,000 316,600,000 336,400,000 367,200,000 371,700,000 338,000,000 338,900,000 344,100,000 335,100 311,300,000 319,900,000 328,900,000 337,400,000 314,000,000 335,500,000 345,200,000 365,400,000 317,600,000 322,300,000 338,800,000 322,600,000 265,800,000 263,400,000 282,400,000 267,500,000 237,000,000 252,000,000 232,100,000 265,900,000 -514,131,100 369,200,000 413,500,000 392,200,000 336,100,000 331,400,000 385,100,000 392,200,000 667,499,668.6 331.4 353,500,000 336,300,000 273,800,000 271,600,000 262,900,000 281,400,000 149,700,000 281,800,000 
      yoy
    42.37% 21.37% 12.81% 6.43% 5.41% 6.06% 0.55% -5.00% -8.68% -7.00% -0.71% -14.68% -14.88% -3.77% -0.23% 28.77% 192.84% 196.47% 193.55% 168.77% -12.27% -26.23% -31.80% -26.54% -6.55% -5.32% -4.63% -9.65% 1.86% 10.28% 18.12% 16.59% 9.20% 6.39% 3.81% 6.39% 3.53% 4.83% -4.70% -8.80% -7.67% -6.33% -0.74% 6.71% 110822.11% 8.58% 5.94% 4.62% -99.90% -0.86% -4.65% -4.72% -7.66% -1.13% 4.10% 1.89% 13.27% 19.49% 22.36% 19.97% 20.60% 12.15% 4.52% 21.67% 0.60% -146.10% -31.74% -43.87% -32.20% -252.97% 11.41% 7.37% 0.00% -49.65% 99999900.00% 8.94% 16.62% 143.79% -100.00% 34.46% 19.51% 82.90% -3.62%     
      qoq
    19.14% 10.14% 2.48% 5.88% 1.57% 2.37% -3.32% 4.87% 2.19% -2.95% -8.66% 0.80% 4.07% 3.62% -21.52% 0.57% 17.66% 7.43% 1.30% 128.70% 19.12% 6.37% -7.25% -25.35% 0.16% -1.65% -0.11% -5.04% 1.49% -0.94% -5.37% 7.06% 9.88% 6.10% -6.60% 0.28% 7.05% 3.52% -4.27% -2.42% 8.40% -5.89% -8.39% -1.21% 9.97% -0.27% -1.51% 102585.77% -99.89% -2.69% -2.74% -2.52% 7.45% -6.41% -2.81% -5.53% 15.05% -1.46% -4.87% 5.02% 21.37% 0.91% -6.73% 5.57% 12.87% -5.95% 8.57% -12.71% -151.72% -239.26% -10.71% 5.43% 16.69% 1.42% -13.94% -1.81% -41.24% 201418025.71% -100.00% 5.11% 22.83% 0.81% 3.31% -6.57% 87.98% -46.88%  
      costs and expenses:
                                                                                           
      cost of products sold
    943,200,000 805,600,000 728,800,000 722,800,000 673,400,000 685,900,000 671,800,000 690,500,000 642,900,000 640,200,000 665,200,000 718,400,000 731,100,000 721,000,000 694,900,000 898,400,000 865,900,000 734,500,000 677,800,000 673,300,000 262,500,000 221,800,000 208,400,000 224,500,000 286,600,000 298,000,000 298,600,000 303,500,000 315,100,000 317,300,000 323,300,000 343,400,000 316,700,000 282,600,000 267,200,000 277,700,000 277,800,000 252,400,000 254,700,000 250,400,000 262,000,000 251,000,000 267,300,000 294,800,000 302,300,000 278,700,000 280,400,000 275,500,000 282,900 254,300,000 259,500,000 261,500,000 263,600,000 280,100,000 256,600,000 284,500,000 295,000,000 280,300,000 297,700,000 300,000,000 280,900,000 229,600,000 229,300,000 255,900,000 232,000,000 182,200,000 188,300,000 170,300,000 225,600,000    337,100,000 288,600,000 291,800,000 314,000,000 337,100,000 580,399,708.2 291.8 324,200,000 272,200,000 241,100,000 233,700,000 234,100,000 242,200,000 151,500,000 245,300,000 
      gross profit
    163,600,000 123,400,000 114,700,000 100,300,000 104,000,000 79,500,000 75,900,000 82,900,000 94,600,000 81,500,000 78,400,000 95,700,000 76,500,000 55,000,000 54,000,000 55,800,000 82,900,000 71,900,000 72,800,000 67,700,000 61,500,000 50,200,000 47,300,000 51,200,000 82,700,000 70,700,000 76,300,000 71,800,000 80,100,000 72,100,000 69,800,000 72,000,000 71,300,000 70,500,000 65,600,000 78,600,000 77,500,000 79,500,000 65,900,000 84,500,000 81,200,000 65,600,000 69,100,000 72,400,000 69,400,000 59,300,000 58,500,000 68,600,000 52,200 57,000,000 60,400,000 67,400,000 73,800,000 33,900,000 78,900,000 60,700,000 70,400,000 37,300,000 24,600,000 38,800,000 41,700,000 36,200,000 34,100,000 26,500,000 35,500,000 54,800,000 63,700,000 61,800,000 40,300,000    55,100,000 47,500,000 39,600,000 71,100,000 55,100,000 87,099,960.4 39.6 29,300,000 64,100,000 32,700,000 37,900,000 28,800,000 39,200,000 -1,800,000 36,500,000 
      yoy
    57.31% 55.22% 51.12% 20.99% 9.94% -2.45% -3.19% -13.38% 23.66% 48.18% 45.19% 71.51% -7.72% -23.50% -25.82% -17.58% 34.80% 43.23% 53.91% 32.23% -25.63% -29.00% -38.01% -28.69% 3.25% -1.94% 9.31% -0.28% 12.34% 2.27% 6.40% -8.40% -8.00% -11.32% -0.46% -6.98% -4.56% 21.19% -4.63% 16.71% 17.00% 10.62% 18.12% 5.54% 132850.19% 4.04% -3.15% 1.78% -99.93% 68.14% -23.45% 11.04% 4.83% -9.12% 220.73% 56.44% 68.82% 3.04% -27.86% 46.42% 17.46% -33.94% -46.47% -57.12% -11.91%    -26.86%    0.00% -45.46% 99999900.00% 142.66% -14.04% 166.36% -100.00% 1.74% 63.52% -1916.67% 3.84%     
      qoq
    32.58% 7.59% 14.36% -3.56% 30.82% 4.74% -8.44% -12.37% 16.07% 3.95% -18.08% 25.10% 39.09% 1.85% -3.23% -32.69% 15.30% -1.24% 7.53% 10.08% 22.51% 6.13% -7.62% -38.09% 16.97% -7.34% 6.27% -10.36% 11.10% 3.30% -3.06% 0.98% 1.13% 7.47% -16.54% 1.42% -2.52% 20.64% -22.01% 4.06% 23.78% -5.07% -4.56% 4.32% 17.03% 1.37% -14.72% 131317.62% -99.91% -5.63% -10.39% -8.67% 117.70% -57.03% 29.98% -13.78% 88.74% 51.63% -36.60% -6.95% 15.19% 6.16% 28.68% -25.35% -35.22% -13.97% 3.07% 53.35%     16.00% 19.95% -44.30% 29.04% -36.74% 219949294.95% -100.00% -54.29% 96.02% -13.72% 31.60% -26.53% -2277.78% -104.93%  
      gross margin %
    14.78% 13.28% 13.60% 12.19% 13.38% 10.39% 10.15% 10.72% 12.83% 11.29% 10.54% 11.76% 9.47% 7.09% 7.21% 5.85% 8.74% 8.92% 9.70% 9.14% 18.98% 18.46% 18.50% 18.57% 22.39% 19.18% 20.35% 19.13% 20.27% 18.52% 17.76% 17.33% 18.38% 19.97% 19.71% 22.06% 21.81% 23.95% 20.56% 25.23% 23.66% 20.72% 20.54% 19.72% 18.67% 17.54% 17.26% 19.94% 15.58% 18.31% 18.88% 20.49% 21.87% 10.80% 23.52% 17.58% 19.27% 11.74% 7.63% 11.45% 12.93% 13.62% 12.95% 9.38% 13.27% 23.12% 25.28% 26.63% 15.16% 0% 0% 0% 14.05% 14.13% 11.95% 18.46% 14.05% 13.05% 11.95% 8.29% 19.06% 11.94% 13.95% 10.95% 13.93% -1.20% 12.95% 
      depreciation and amortization
    30,400,000 30,900,000 32,000,000 29,600,000 30,000,000 29,600,000 29,000,000 29,000,000 28,800,000 28,700,000 27,200,000 26,400,000 26,300,000 26,500,000 25,800,000 27,100,000 27,500,000 27,300,000 24,900,000 25,800,000 13,500,000 13,100,000 12,900,000 13,000,000 13,200,000 12,800,000 12,300,000 12,100,000 11,900,000 11,500,000 11,000,000 10,900,000 10,500,000 10,400,000 10,200,000 9,500,000 9,600,000 9,300,000 9,000,000 9,000,000 8,700,000 8,200,000 8,100,000 8,100,000 8,000,000 8,000,000 8,000,000 7,700,000 7,400 7,200,000 6,900,000 7,000,000 7,000,000 6,900,000 6,700,000 6,600,000 6,300,000 6,300,000 6,200,000 6,400,000 6,300,000 6,000,000 4,800,000 5,000,000 4,000,000 4,100,000 3,900,000 4,300,000 4,100,000 -5,210,000 3,600,000 3,700,000 2,600,000 2,700,000 2,800,000 2,700,000 2,600,000 5,499,997.2 2.8 5,000,000 4,800,000 4,900,000 4,900,000 5,200,000 4,900,000 5,400,000 5,900,000 
      selling, general, administrative, research and development
    35,400,000 31,900,000 33,900,000 32,600,000 30,800,000 27,800,000 28,800,000 31,600,000 32,600,000 30,300,000 30,500,000 32,200,000 29,700,000 28,000,000 25,200,000 27,500,000 30,200,000 28,000,000 28,100,000 30,900,000 31,800,000 23,300,000 21,300,000 22,700,000 23,900,000 22,300,000 23,300,000 27,200,000 25,200,000     22,800,000 24,700,000 26,300,000 23,700,000 25,800,000 25,600,000 27,500,000 26,100,000 20,700,000 21,100,000 23,600,000 22,700,000                                           
      restructuring costs
       100,000 1,800,000  700,000 6,800,000 100,000 800,000 1,600,000 1,200,000 1,400,000     -200,000    -4,900,000 500,000 11,900,000                                                                
      total costs and expenses
    1,009,000,000 868,400,000 794,700,000 785,100,000 736,000,000 743,300,000 730,300,000 757,900,000 704,800,000 700,000,000 724,500,000 778,200,000 788,500,000 798,200,000 745,900,000 956,200,000 923,600,000 789,800,000 730,800,000 729,900,000 307,100,000 253,500,000 243,400,000 271,000,000 323,700,000 359,100,000 334,200,000 342,900,000 352,200,000 352,500,000 358,200,000 380,700,000 350,900,000 313,100,000 293,000,000 344,900,000 295,800,000 286,600,000 290,800,000 277,000,000 298,400,000 281,400,000 295,900,000 330,200,000 830,300,000 311,200,000 306,300,000 297,700,000 303,000 269,700,000 278,300,000 288,800,000 287,400,000 290,100,000 279,300,000 305,600,000 319,200,000 304,000,000 316,800,000 323,400,000 302,100,000 253,400,000 250,200,000 278,400,000 252,700,000 203,100,000 209,400,000 197,100,000 258,700,000 -492,836,300 405,700,000 375,500,000 359,900,000 309,500,000 309,700,000 322,400,000 359,900,000 619,199,690.3 309.7 345,100,000 292,300,000    271,000,000   
      operating income
    97,800,000 60,600,000 48,800,000 38,000,000 41,400,000 22,100,000 17,400,000 15,500,000 32,700,000 21,700,000 19,100,000 35,900,000 19,100,000 -22,200,000 3,000,000 -2,000,000 25,200,000 16,600,000 19,800,000 11,100,000 16,900,000 18,500,000 12,300,000 4,700,000 45,600,000 9,600,000 40,700,000 32,400,000 43,000,000 36,900,000 34,900,000 34,700,000 37,100,000 40,000,000 39,800,000 11,400,000 59,500,000 45,300,000 29,800,000 57,900,000 44,800,000 35,200,000 40,500,000 37,000,000 -458,600,000 26,800,000 32,600,000 46,400,000 32,100 41,600,000 41,600,000 40,100,000 50,000,000 23,900,000 56,200,000 39,600,000 46,200,000 13,600,000 5,500,000 15,400,000 20,500,000 12,400,000 13,200,000 4,000,000 14,800,000 33,900,000 42,600,000 35,000,000 7,200,000 -21,248,000 -36,500,000 38,000,000 32,300,000 26,600,000 21,700,000 62,700,000 32,300,000 48,299,978.3 21.7 8,400,000 44,000,000 27,800,000 15,000,000 6,600,000 10,400,000 -669,600,000 -151,000,000 
      yoy
    136.23% 174.21% 180.46% 145.16% 26.61% 1.84% -8.90% -56.82% 71.20% -197.75% 536.67% -1895.00% -24.21% -233.73% -84.85% -118.02% 49.11% -10.27% 60.98% 136.17% -62.94% 92.71% -69.78% -85.49% 6.05% -73.98% 16.62% -6.63% 15.90% -7.75% -12.31% 204.39% -37.65% -11.70% 33.56% -80.31% 32.81% 28.69% -26.42% 56.49% -109.77% 31.34% 24.23% -20.26% -1428760.44% -35.58% -21.63% 15.71% -99.94% 74.06% -25.98% 1.26% 8.23% 75.74% 921.82% 157.14% 125.37% 9.68% -58.33% 285.00% 38.51% -63.42% -69.01% -88.57% 105.56% -259.54% -216.71% -7.89% -77.71% -179.88% -268.20% -39.39% 0.00% -44.93% 99999900.00% 646.43% -26.59% 73.74% -100.00% 27.27% 323.08% -104.15% -109.93%     
      qoq
    61.39% 24.18% 28.42% -8.21% 87.33% 27.01% 12.26% -52.60% 50.69% 13.61% -46.80% 87.96% -186.04% -840.00% -250.00% -107.94% 51.81% -16.16% 78.38% -34.32% -8.65% 50.41% 161.70% -89.69% 375.00% -76.41% 25.62% -24.65% 16.53% 5.73% 0.58% -6.47% -7.25% 0.50% 249.12% -80.84% 31.35% 52.01% -48.53% 29.24% 27.27% -13.09% 9.46% -108.07% -1811.19% -17.79% -29.74% 144448.29% -99.92% 0.00% 3.74% -19.80% 109.21% -57.47% 41.92% -14.29% 239.71% 147.27% -64.29% -24.88% 65.32% -6.06% 230.00% -72.97% -56.34% -20.42% 21.71% 386.11% -133.89% -41.79% -196.05% 17.65% 21.43% 22.58% -65.39% 94.12% -33.13% 222580445.16% -100.00% -80.91% 58.27% 85.33% 127.27% -36.54% -101.55% 343.44%  
      operating margin %
    8.84% 6.52% 5.79% 4.62% 5.33% 2.89% 2.33% 2.00% 4.43% 3.01% 2.57% 4.41% 2.37% -2.86% 0.40% -0.21% 2.66% 2.06% 2.64% 1.50% 5.22% 6.80% 4.81% 1.70% 12.35% 2.60% 10.86% 8.63% 10.88% 9.48% 8.88% 8.35% 9.56% 11.33% 11.96% 3.20% 16.75% 13.65% 9.30% 17.29% 13.05% 11.12% 12.04% 10.08% -123.38% 7.93% 9.62% 13.48% 9.58% 13.36% 13.00% 12.19% 14.82% 7.61% 16.75% 11.47% 12.64% 4.28% 1.71% 4.55% 6.35% 4.67% 5.01% 1.42% 5.53% 14.30% 16.90% 15.08% 2.71% 4.13% -9.89% 9.19% 8.24% 7.91% 6.55% 16.28% 8.24% 7.24% 6.55% 2.38% 13.08% 10.15% 5.52% 2.51% 3.70% -447.29% -53.58% 
      other expense:
                                                                                           
      interest expense
    -14,400,000 -14,000,000 -12,400,000 -12,500,000 -11,200,000 -10,400,000 -10,700,000 -11,100,000 -11,500,000 -11,500,000 -11,400,000 -12,100,000 -11,900,000 -11,800,000 -12,100,000 -12,200,000 -12,200,000 -12,300,000 -12,500,000 -12,400,000 -12,300,000 -12,200,000 -12,100,000 -10,500,000 -6,100,000 -7,300,000 -5,800,000 -5,800,000 -5,700,000 -5,700,000 -5,700,000 -5,700,000 -5,600,000 -5,800,000 -5,300,000 -5,500,000 -5,600,000 -5,600,000 -5,500,000 -5,500,000 -3,700,000 -4,200,000 -4,900,000 -5,200,000 -9,800,000 -9,800,000 -9,700,000 -9,200,000 -8,800 -8,600,000 -8,800,000 -9,000,000 -9,300,000 -9,300,000 -9,200,000 -6,500,000 -4,100,000 -4,800,000 -4,300,000 -4,400,000 -4,500,000 -4,600,000 -3,700,000 -3,500,000  -150,000 -200,000 -200,000 -200,000 -200,000 -300,000 -300,000 -600,000   -600,000 -600,000    -800,000 -1,000,000 -1,000,000 -1,100,000 -2,100,000 -3,100,000 -2,300,000 
      other expense, net – note 8
    -1,000,000               -3,700,000 -1,600,000                                                                       
      income before income taxes
    82,400,000 43,500,000 47,800,000 29,900,000 28,800,000 12,100,000 15,400,000 3,900,000 32,100,000 8,700,000 5,500,000 21,300,000 20,800,000 -35,000,000 3,600,000 -17,900,000 11,400,000 3,600,000 6,100,000 -37,900,000 4,200,000 5,700,000 -300,000 -5,300,000 38,700,000 -18,000,000 34,100,000 26,500,000 37,800,000 30,000,000 29,900,000 28,500,000 31,600,000 35,600,000 36,000,000 6,900,000 54,500,000 39,800,000 24,300,000 41,700,000 41,400,000 29,300,000 34,700,000 32,200,000 -468,000,000 17,800,000 25,100,000 39,000,000 25,200 35,500,000 35,700,000 30,300,000 41,700,000 15,200,000 47,400,000 34,200,000 42,800,000 10,900,000 5,100,000 7,600,000 17,700,000 6,300,000 5,900,000 1,200,000 15,000,000 34,400,000 42,500,000 34,800,000 6,900,000 17,450,000 -37,000,000 38,300,000 32,900,000               
      income tax provision
    -19,900,000 -15,300,000 -8,300,000 -6,700,000 -7,200,000 -2,925,000 -3,400,000 -800,000 -7,500,000 -2,000,000 -100,000  -4,900,000           -1,300,000 -9,600,000 7,400,000 -8,700,000 -7,300,000 -9,800,000 -6,400,000 -8,200,000 -7,800,000 -5,900,000 -9,200,000 -16,100,000 -2,200,000 -18,500,000         -2,200,000 -9,200,000 -14,500,000 -9,400 -8,200,000 -10,300,000 -11,700,000 -8,200,000 -6,100,000 -18,200,000 -13,200,000 -16,300,000 -6,000,000 -700,000 -3,100,000 -6,400,000 -1,925,000 -400,000 -1,100,000 -6,200,000   -15,200,000 -3,100,000                   
      net income
    62,500,000 28,200,000 39,500,000 23,200,000 21,600,000 7,100,000 12,000,000 3,100,000 24,600,000 7,600,000 5,400,000 18,300,000 15,900,000 -26,400,000 2,500,000 -13,800,000 8,100,000 1,700,000 -2,300,000 -22,400,000 4,500,000 5,900,000 400,000 -6,600,000 29,100,000 -10,600,000 25,400,000 19,200,000 28,000,000 23,600,000 21,700,000 20,700,000 25,700,000 -15,200,000 19,900,000 4,700,000 36,000,000 24,500,000 14,900,000 26,000,000 26,300,000 13,300,000 22,100,000 20,200,000 -292,200,000 15,600,000 15,900,000 24,500,000 15,800 27,300,000 25,400,000 18,600,000 33,500,000 9,100,000 29,200,000 21,000,000 26,500,000 4,900,000 4,400,000 4,500,000 11,300,000 -300,000 5,500,000 100,000 8,800,000 24,100,000 23,000,000 19,600,000 3,800,000 -13,568,590 -22,100,000 22,800,000 17,100,000 11,900,000 14,331,050 34,700,000 17,100,000 26,199,999.28 14.3 -2,500,000 38,400,000 -1,135,600,000 11,900,000 361,700,000 8,300,000 -637,500,000 -69,500,000 
      yoy
    189.35% 297.18% 229.17% 648.39% -12.20% -6.58% 122.22% -83.06% 54.72% -128.79% 116.00% -232.61% 96.30% -1652.94% -208.70% -38.39% 80.00% -71.19% -675.00% 239.39% -84.54% -155.66% -98.43% -134.38% 3.93% -144.92% 17.05% -7.25% 8.95% -255.26% 9.05% 340.43% -28.61% -162.04% 33.56% -81.92% 36.88% 84.21% -32.58% 28.71% -109.00% -14.74% 38.99% -17.55% -1849467.09% -42.86% -37.40% 31.72% -99.95% 200.00% -13.01% -11.43% 26.42% 85.71% 563.64% 366.67% 134.51% -1733.33% -20.00% 4400.00% 28.41% -101.24% -76.09% -99.49% 131.58% -277.62% -204.07% -14.04% -77.78% -214.02% -254.21% -34.29% 0.00% -54.58% 100217032.87% -1488.00% -55.47% -102.31% -100.00% -100.69% 362.65% 78.13% -117.12%     
      qoq
    121.63% -28.61% 70.26% 7.41% 204.23% -40.83% 287.10% -87.40% 223.68% 40.74% -70.49% 15.09% -160.23% -1156.00% -118.12% -270.37% 376.47% -173.91% -89.73% -597.78% -23.73% 1375.00% -106.06% -122.68% -374.53% -141.73% 32.29% -31.43% 18.64% 8.76% 4.83% -19.46% -269.08% -176.38% 323.40% -86.94% 46.94% 64.43% -42.69% -1.14% 97.74% -39.82% 9.41% -106.91% -1973.08% -1.89% -35.10% 154963.29% -99.94% 7.48% 36.56% -44.48% 268.13% -68.84% 39.05% -20.75% 440.82% 11.36% -2.22% -60.18% -3866.67% -105.45% 5400.00% -98.86% -63.49% 4.78% 17.35% 415.79% -128.01% -38.60% -196.93% 33.33% 43.70% -16.96% -58.70% 102.92% -34.73% 183216678.18% -100.00% -106.51% -103.38% -9642.86% -96.71% 4257.83% -101.30% 817.27%  
      net income margin %
    5.65% 3.04% 4.68% 2.82% 2.78% 0.93% 1.60% 0.40% 3.34% 1.05% 0.73% 2.25% 1.97% -3.40% 0.33% -1.45% 0.85% 0.21% -0.31% -3.02% 1.39% 2.17% 0.16% -2.39% 7.88% -2.87% 6.78% 5.12% 7.09% 6.06% 5.52% 4.98% 6.62% -4.30% 5.98% 1.32% 10.13% 7.38% 4.65% 7.76% 7.66% 4.20% 6.57% 5.50% -78.61% 4.62% 4.69% 7.12% 4.72% 8.77% 7.94% 5.66% 9.93% 2.90% 8.70% 6.08% 7.25% 1.54% 1.37% 1.33% 3.50% -0.11% 2.09% 0.04% 3.29% 10.17% 9.13% 8.44% 1.43% 2.64% -5.99% 5.51% 4.36% 3.54% 4.32% 9.01% 4.36% 3.93% 4.32% -0.71% 11.42% -414.76% 4.38% 137.58% 2.95% -425.85% -24.66% 
      net income per common share:
                                                                                           
      basic
    3,850,000 1,740,000 2,440,000 1,440,000 1,340,000 440,000 750,000 190,000 1,530,000 470,000 340,000 1,140,000 1,000,000 -1,660,000 160,000  510,000 110,000 -140,000 -1,420,000 280,000 370,000 20,000 -410,000 1,830,000 -640,000 1,590,000 1,190,000 1,740,000 1,440,000 1,310,000 1,240,000 1,540,000 -880,000 1,180,000 280,000 2,070,000 1,390,000 840,000 1,450,000 1,470,000 790,000 1,290,000 1,190,000 -16,850,000                                           
      diluted
    3,710,000 1,670,000 2,380,000 1,410,000 1,310,000 430,000 740,000 190,000 1,510,000 460,000 340,000 1,140,000 990,000 -1,660,000 160,000  510,000 110,000 -140,000 -1,420,000 280,000 370,000 20,000 -410,000 1,810,000 -640,000 1,570,000 1,180,000 1,710,000 1,400,000 1,290,000 1,220,000 1,510,000 -860,000 1,160,000 270,000 2,040,000 1,390,000 820,000 1,430,000 1,440,000 790,000 1,210,000 1,110,000 -16,850,000                                           
      weighted-average number of common shares outstanding
                                                                                           
      basic
    16,248,000,000 16,169,000,000 16,192,000,000 16,160,000,000 16,116,000,000 16,069,000,000 16,087,000,000 16,072,000,000 16,027,000,000 15,991,000,000 15,995,000,000 15,974,000,000 15,940,000,000 15,906,000,000 15,926,000,000 15,899,000,000 15,866,000,000 15,836,000,000 15,852,000,000 15,835,000,000 15,805,000,000 15,802,000,000 15,794,000,000 15,781,000,000 15,838,000,000 15,997,000,000 15,956,000,000 16,063,000,000 16,108,000,000 16,585,000,000 16,573,000,000 16,685,000,000 16,707,000,000 16,996,000,000 16,834,000,000 17,003,000,000 17,385,000,000 17,813,000,000 17,841,000,000 17,871,000,000 17,864,000,000 17,201,000,000 17,123,000,000 17,006,000,000 17,344,000,000 17,818,000,000 17,707 17,841 17,921 18,827 18,548 18,742 19,143 19,115 19,154 19,137 19,059 18,979 18,999 18,984 18,950 19,377 18,941 18,917 20,020 19,639 19,982 19,538 19,492 2,000,379,672 19,995 20,042 20,005 2,000,379,672 2,000,279,672 20,013 20,005 20,003 20,002         
      diluted
    16,844,000,000 16,622,000,000 16,612,000,000 16,479,000,000 16,399,000,000 16,319,000,000 16,335,000,000 16,398,000,000 16,230,000,000 16,131,000,000 16,154,000,000 16,083,000,000 16,096,000,000 15,906,000,000 16,029,000,000 15,899,000,000 16,038,000,000 15,836,000,000 15,852,000,000 15,835,000,000 15,987,000,000 15,913,000,000 15,865,000,000 15,781,000,000 16,008,000,000 16,203,000,000 16,125,000,000 16,240,000,000 16,372,000,000 16,874,000,000 16,783,000,000 16,905,000,000 17,031,000,000 17,259,000,000 17,160,000,000 17,201,000,000 17,603,000,000 18,033,000,000 18,175,000,000 18,194,000,000 18,200,000,000 17,201,000,000 18,172,000,000 18,192,000,000 17,344,000,000 18,593,000,000 18,619 18,458 18,514  19,058 18,945 19,366  19,288 19,200 19,161 18,979 18,999 18,984 18,950 19,377 18,941 18,917 20,020 19,639 19,982 19,538 19,492 2,008,979,672 19,995 20,409 20,204 2,008,979,672 2,002,979,672 20,237 20,204 20,089 20,029         
      other operating charges
            400,000     800,000  3,200,000          800,000  100,000  1,300,000   100,000      2,700,000 100,000       1,300,000 200,000                         1,200,000       900,000  1,500,000 300,000  6,200,000   
      other income:
                                                                                           
      other income, net – note 9
     3,600,000 11,400,000 4,400,000 -1,400,000 4,775,000 8,700,000 -500,000 10,900,000 2,225,000 -2,200,000 -2,500,000 13,600,000            -800,000 -100,000 -800,000 -100,000 500,000   -500,000 100,000                                                       
      income tax benefit
               -3,000,000  8,600,000 -1,100,000 4,100,000 -3,300,000 -1,900,000 -8,400,000 15,500,000 300,000 -2,550,000 700,000               -15,300,000 -9,400,000 -15,700,000 -15,100,000 -16,000,000 -12,600,000 -12,000,000 175,800,000                     -10,300,000 -19,500,000   -7,500,000 14,900,000                 
      other income, net – note 8
                 1,850,000 12,700,000                                                                         
      net loss per common share:
                                                                                           
      basic
                   -870,000                                                                        
      diluted
                   -870,000                                                                        
      other comprehensive income, net of tax – note 7:
                                                                                           
      defined benefit pension plan and salaried veba
                   900,000                                                                        
      cash flow hedges
                   -36,500,000                                                                        
      foreign currency translation
                                                                                           
      other comprehensive income, net of tax
                   -35,600,000                                                                        
      comprehensive income
                   -49,400,000                                                                        
      other operating charges (income)
                         -200,000 300,000                                                                 
      other expense, net – note 11
                     -9,550,000 -1,200,000  -400,000                                                                   
      restructuring (benefit) costs
                       -100,000                                                                    
      other operating loss
                                                                                           
      other income, net – note 11
                       -36,600,000                                                                    
      restructuring benefit
                        -700,000                                                                   
      other expense, net – note 10
                         -200,000 -500,000                                                                 
      other operating (income) charges
                           -1,100,000                                                                
      other income, net – note 10
                           500,000      75,000 700,000                                                         
      selling, general, administrative, research and development2
                                 22,400,000 23,900,000 26,400,000 23,600,000                                                       
      goodwill impairment
                                       18,400,000                                                    
      dividends declared per common share
                                 412,500 550,000 550,000 550,000 500,000 500,000 500,000 500,000 450,000 450,000 450,000 450,000 400,000 400,000                                             
      cost of products sold:
                                                                                           
      lower of cost or market inventory write-down
                                            4,900,000                            9,300,000                   
      unrealized gain on derivative instruments
                                     -3,500,000 -10,800,000 11,900,000 -15,100,000                                                   
      selling, general, administrative, research and development:
                                                                                           
      net periodic postretirement benefit cost relating to salaried veba
                                     1,100,000 1,200,000 1,100,000 1,100,000 625,000 800,000 900,000 800,000                                               
      gain on removal of union veba net assets – note 6
                                     -200,000 500,000                                                     
      total selling, general, administrative, research and development
                                     24,700,000 26,400,000 27,400,000 23,500,000 26,700,000 26,400,000 28,400,000 26,800,000 23,800,000 18,800,000 25,800,000 515,500,000                                           
      other income, net – note 13
                                     775,000 1,500,000 1,000,000  -2,600,000  -10,700,000  -25,000 -900,000 400,000 400,000                                           
      gain on removal of union veba net assets – note 5
                                        -1,300,000                                                   
      other income, net – note 12
                                        600,000                                                   
      unrealized (gain) loss on derivative instruments
                                         -1,800,000 -2,000,000 -10,900,000 -4,000,000                                               
      (gain) loss on removal of union veba net assets – note 5
                                         -25,000   -100,000 122,725,000 -2,900,000                                             
      other income
                                            300,000     800,000 2,200,000 1,800,000 1,900 2,500,000 2,900,000 -800,000 1,000,000 600,000 400,000 1,100,000 700,000 2,100,000 3,900,000 -3,400,000 1,700,000 -1,500,000 -3,600,000 700,000 200,000  100,000  -100,000 250,000 -200,000 600,000 1,200,000               
      unrealized losses on derivative instruments
                                             1,925,000 1,700,000                                             
      net periodic postretirement benefit cost (income) relating to vebas – note 5
                                             450,000 600,000 600,000 600,000                                           
      unrealized losses (gains) on derivative instruments
                                               1,500,000 4,500,000  3,600,000     4,200,000 700,000                                   
      loss on removal of union veba net assets – note 5
                                               1,600,000 492,200,000                                           
      selling, administrative, research and development, and general:
                                                                                           
      selling, administrative, research and development, and general
                                                 15,325,000 19,000,000 22,000,000 20,300 11,400,000 13,400,000 16,100,000 16,100,000 13,900,000 16,000,000 14,400,000 17,900,000 17,400,000 13,100,000 17,300,000 14,900,000 15,200,000 16,500,000 15,400,000 17,300,000 17,800,000 17,100,000 17,100,000 17,900,000 -22,770,000 19,800,000 19,700,000 19,000,000 17,500,000 18,000,000 19,200,000 19,000,000 35,499,982 18 15,000,000 15,300,000 -1,500,000 17,700,000 17,000,000 17,700,000 23,900,000 26,900,000 
      net periodic pension benefit income relating to vebas
                                                 -6,000,000 -6,000,000 -6,100,000 -5,600                                       
      total selling, administrative, research and development, and general
                                                 10,900,000 13,000,000 15,900,000 14,700                                       
      earnings per common share, basic:
                                                                                           
      net income per share
                                                 0.788 0.9 1.38 0.88 1.47 1.37 0.99 1.75 0.48 1.52 1.1 1.39 0.26 0.23 0.24 0.59 -0.02 0.29 0.01 0.44 1.2 1.14 0.97 0.19 0.498 -1.11 1.14 0.86 0.181 0.724 1.73 0.86 3.575 0.72         
      earnings per common share, diluted:
                                                                                           
      unrealized (gains) losses on derivative instruments
                                                   -1,600,000 -2,000 -4,100,000 -1,500,000                                     
      restructuring benefits
                                                             -75,000 -300,000                             
      other operating charges (benefits)
                                                         4,400,000  100,000  -50,000 100,000   2,000,000  2,000,000                      638,500,000 154,700,000 
      earnings per share, basic – notes 1 and 13
                                                                                           
      earnings per share, diluted – notes 1 and 13
                                                                                           
      restructuring costs and other benefits
                                                                                           
      other operating (benefits) charges
                                                               -300,000        -900,000  -300,000 -1,400,000 100,000    -13,500,000 1,200,000           
      earnings per share, basic — note 1, 13
                                                                                           
      earnings per share, diluted — note 1, 13
                                                                                           
      impairment of investment in anglesey
                                                                       1,200,000 600,000                   
      restructuring costs and other (benefits) charges
                                                                 600,000 -400,000  -600,000                       
      earnings per share, basic — notes 1 and 15
                                                                                           
      earnings per share, diluted — notes 1 and 15
                                                                                           
      restructuring costs and other charges
                                                                   100,000  -1,000,000 100,000 5,100,000 1,200,000                   
      earnings per share, basic — note 1, 14
                                                                                           
      earnings per share, diluted — note 1, 14
                                                                                           
      earnings per share, basic — note 14
                                                                                           
      earnings per share, diluted — note 14
                                                                                           
      other operating benefits
                                                                                           
      earnings per share — basic
                                                                                           
      earnings per share — diluted
                                                                                           
      cost of products sold, excluding depreciation
                                                                         261,050,000 383,700,000 352,000,000                
      earnings per share — basic:
                                                                                           
      earnings per share — diluted :
                                                                                           
      benefit from income taxes
                                                                           -15,500,000 -15,800,000    -15,800,000 -23,699,991.7 -8.3  -7,000,000 3,200,000 -1,400,000 -2,200,000 -2,400,000 7,300,000 -4,700,000 
      earnings per share — diluted:
                                                                                           
      reorganization items
                                                                                   -8,600,000 -6,400,000 -1,136,800,000 -8,200,000 -9,300,000 -7,800,000 -10,100,000 -10,000,000 
      other — net
                                                                             227,500 900,000 1,100,000 1,200,000 2,699,999.1 0.9 -100,000 1,300,000 -900,000 -500,000 -600,000 -400,000 -1,000,000 1,300,000 
      income before income taxes and discontinued operations
                                                                             27,300,000 22,631,050 63,200,000 32,900,000 49,899,977.4 22.6 -300,000 38,100,000 -1,110,900,000 5,300,000 -4,400,000 100,000 -683,800,000 -162,000,000 
      income from continuing operations
                                                                             11,900,000 14,331,050 34,700,000 17,100,000 26,199,985.7 14.3 500,000 31,100,000 -1,107,700,000 3,900,000 -6,600,000 -2,300,000 -676,500,000 -166,700,000 
      income from discontinued operations, net of income taxes
                                                                                   -3,000,000 7,300,000       
      income from discontinued operations
                                                                                   -3,000,000 0.09 -23,200,000 8,000,000 368,300,000 0.13 39,000,000 97,200,000 
      benefit for income taxes
                                                                               -28,500,000    800,000        
      other operating charges (credits)
                                                                                 -0.725 -2.9         
      discontinued operations:
                                                                                           
      gain from sale of commodity interests, net of income taxes of 8.5
                                                                                           
      cumulative effect on years prior to 2005 of adopting accounting for conditional asset retirement obligations
                                                                                           
      earnings per share — basic/diluted:
                                                                                           
      income from cumulative effect on years prior to 2005 of adopting accounting for conditional asset retirement obligations
                                                                                           
      weighted-average shares outstanding
                                                                                           
      basic/diluted
                                                                                   79,672     79,681   
      earnings per share — basic/ diluted:
                                                                                           
      basic/ diluted
                                                                                    79,672 19,919 79,672 79,674    
      income from discontinued operations, net of income taxes, including minority interests
                                                                                     -23,800,000 8,000,000 2,700,000 10,600,000 37,400,000 -4,400,000 
      gain from sale of commodity interests
                                                                                         1,600,000 101,600,000 
      earnings per share — basic/ diluted
                                                                                           
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 
                                                                                             
        assets
                                                                                             
        current assets:
                                                                                             
        cash and cash equivalents
      30,000,000 7,000,000 17,200,000 13,100,000 21,300,000 18,400,000 45,700,000 70,400,000 101,600,000 82,400,000 44,600,000 19,800,000 31,500,000 57,400,000 129,300,000 235,200,000 261,000,000 303,200,000 295,700,000 283,100,000 128,000,000 780,300,000 750,100,000 710,600,000 307,200,000 264,300,000 172,100,000 122,400,000 115,300,000 125,600,000 94,300,000 164,000,000 135,000,000 51,100,000 73,900,000 57,100,000 34,400,000 55,200,000 72,900,000 195,300,000 70,700,000 72,500,000 82,600,000 54,300,000 220,900,000 177,700,000 212,300,000 174,200,000 185,600,000 169,500,000 224,600,000 281,700,000 248,000,000 273,400,000 255,600,000 317,800,000 77,300,000 49,800,000 23,600,000 59,800,000 55,900,000  143,700,000 134,400,000 135,500,000 30,300,000 34,600,000 14,600,000 3,300,000 200,000 1,100,000 27,400,000 47,500,000 68,700,000 101,400,000 70,900,000 51,800,000 50,000,000 52,700,000 37,300,000 38,500,000 49,500,000 43,300,000 54,300,000 24,500,000 55,400,000 31,900,000 
        receivables
      528,600,000                                                                                       
        contract assets
      75,900,000 63,400,000 54,000,000 69,100,000 67,900,000 73,400,000 62,000,000 63,700,000 63,000,000 58,500,000 52,600,000 56,300,000 52,900,000 58,600,000 51,000,000 93,900,000 74,900,000 63,200,000 40,200,000 46,600,000 44,400,000 36,100,000 34,800,000 41,600,000 47,100,000 54,600,000 46,100,000 46,900,000 58,400,000 54,900,000 51,000,000 52,600,000 57,500,000                                                       
        inventories
      799,000,000 725,200,000 702,300,000 595,600,000 572,400,000 503,900,000 473,900,000 446,900,000 471,300,000 477,200,000 488,600,000 497,900,000 537,700,000 525,400,000 538,100,000 468,600,000 431,500,000 404,600,000 413,600,000 383,200,000 385,300,000 152,000,000 157,500,000 181,400,000 194,600,000 177,600,000 192,500,000 231,100,000 233,900,000 215,100,000 196,200,000 177,200,000 176,800,000 207,900,000 212,200,000 199,900,000 203,500,000 201,600,000 223,600,000 217,500,000 210,600,000 219,600,000 217,300,000 217,300,000 218,000,000 214,700,000 211,300,000 198,100,000 203,100,000 214,400,000 207,900,000 202,900,000 199,300,000 186,000,000 189,000,000 196,800,000 198,200,000 205,700,000 194,600,000 178,200,000 169,600,000 167,500,000 153,300,000 146,700,000 131,400,000 125,200,000 125,600,000 128,100,000 135,000,000 172,300,000 269,200,000 238,200,000 216,700,000 207,600,000 193,700,000 194,000,000 180,800,000 188,100,000 181,300,000 123,100,000 137,600,000 115,300,000 100,700,000 115,200,000 105,800,000 105,300,000 131,400,000 
        prepaid expenses and other current assets
      53,900,000 42,600,000 49,500,000 55,000,000 42,300,000 39,000,000 42,200,000 46,000,000 34,600,000 34,500,000 39,500,000 33,700,000 30,200,000 30,500,000 40,900,000 47,600,000 71,200,000 48,700,000 67,700,000 59,600,000 35,800,000 28,600,000 25,400,000 25,700,000 20,400,000 19,400,000 18,400,000 21,700,000 23,000,000 18,900,000 24,200,000 29,000,000 25,700,000 33,400,000 31,500,000 26,800,000 34,000,000     56,700,000 98,600,000 100,400,000 195,800,000 178,600,000 156,400,000 135,500,000 48,600,000 44,200,000 67,600,000 70,100,000 71,000,000 70,100,000 73,100,000 74,700,000 75,300,000 78,900,000 58,900,000 78,800,000 90,300,000 80,100,000 63,400,000 53,000,000 62,500,000 59,100,000 93,000,000 102,100,000 116,500,000 128,400,000 73,500,000 82,600,000 81,800,000 66,000,000 13,800,000 20,400,000 30,800,000 40,800,000 27,700,000 34,000,000 29,100,000 21,000,000 13,700,000 14,300,000 33,800,000 19,600,000 36,600,000 
        total current assets
      1,487,400,000 1,261,500,000 1,244,200,000 1,150,600,000 1,093,800,000 976,400,000 994,900,000 1,010,500,000 1,023,100,000 990,200,000 984,400,000 996,600,000 1,059,900,000 1,042,600,000 1,127,700,000 1,245,900,000 1,321,400,000 1,205,400,000 1,223,300,000 1,200,600,000 930,800,000 1,121,400,000 1,109,600,000 1,107,700,000 806,400,000 779,800,000 668,600,000 649,700,000 671,100,000 656,600,000 673,000,000 704,800,000 682,300,000 656,600,000 662,600,000 615,800,000 636,200,000 655,900,000 657,900,000 640,400,000 447,800,000 501,600,000 564,500,000 546,500,000 823,200,000 825,200,000 822,900,000 769,100,000 677,000,000 690,800,000 752,600,000 736,300,000 757,500,000 741,700,000 755,700,000 722,500,000 482,200,000 434,500,000 408,100,000 439,700,000 433,100,000 471,400,000 455,800,000 432,600,000 429,400,000 300,700,000 337,300,000 322,100,000 334,800,000 428,700,000 467,900,000 470,900,000 476,000,000 454,600,000 425,800,000 409,000,000 385,400,000 384,900,000 377,900,000 314,200,000  287,300,000   312,600,000   
        property, plant and equipment
      1,139,500,000 1,145,200,000 1,199,800,000 1,204,900,000 1,191,600,000 1,161,200,000 1,100,400,000 1,084,600,000 1,055,000,000 1,052,100,000 1,057,500,000 1,041,000,000 1,037,800,000 1,013,200,000 989,600,000 956,300,000 960,200,000 955,200,000 948,700,000 951,900,000 1,006,600,000 627,200,000 622,900,000 627,100,000 630,900,000 622,000,000 614,300,000 613,800,000 610,900,000 611,800,000 595,400,000 584,200,000 578,700,000 571,400,000 557,800,000 552,100,000                                                    
        operating lease assets
      24,600,000 22,400,000 24,100,000 24,800,000 25,500,000 27,200,000 27,600,000 29,100,000 30,500,000 32,600,000 34,600,000 36,900,000 38,800,000 39,100,000 41,400,000 43,400,000 44,900,000 46,200,000 45,200,000 39,500,000 38,900,000 26,500,000 27,200,000 28,000,000 28,800,000 25,800,000 26,300,000 26,800,000 27,400,000                                                           
        deferred tax assets
       200,000 1,400,000 2,600,000 3,300,000 7,200,000 6,300,000 6,000,000 5,400,000 6,000,000 5,000,000 5,100,000 4,500,000 7,500,000 6,600,000 6,300,000 3,200,000 3,400,000  1,200,000     2,000,000 11,800,000 6,300,000 15,500,000 22,400,000 35,900,000 42,200,000 51,500,000 63,700,000 72,000,000 118,700,000 138,300,000                                                    
        intangible assets
      39,900,000 41,000,000 42,100,000 43,200,000 44,400,000 45,500,000 46,600,000 47,700,000 48,900,000 50,000,000 51,100,000 52,500,000 53,900,000 55,300,000 56,700,000 58,100,000 64,200,000 67,700,000 70,500,000 79,600,000 82,500,000 26,700,000 27,400,000 28,100,000 28,900,000 29,600,000 30,300,000 31,000,000 31,700,000 32,400,000 33,000,000 24,300,000 24,600,000 25,000,000 25,300,000 25,700,000                          4,000,000 4,200,000                         
        goodwill
      18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 39,300,000 39,300,000 39,300,000 39,300,000 39,300,000 39,300,000 46,200,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 44,000,000 44,000,000 44,000,000 44,000,000 43,400,000 18,800,000 18,800,000 18,800,000 18,800,000 18,800,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 37,200,000 3,100,000 3,100,000                 11,400,000 11,400,000 11,400,000      
        other assets
      79,700,000 75,700,000 61,700,000 67,900,000 62,200,000 78,600,000 116,800,000 119,000,000 118,100,000 117,700,000 116,700,000 116,600,000 116,000,000 112,300,000 112,300,000 112,400,000 108,200,000 105,200,000 110,200,000 102,400,000 47,800,000 44,100,000 41,100,000 38,700,000 37,300,000 38,400,000 36,500,000 41,300,000 40,300,000 38,600,000 39,000,000 40,200,000 37,300,000 41,400,000 39,500,000 36,000,000 37,100,000     22,800,000 22,100,000 23,100,000 23,000,000 23,300,000 23,800,000 24,000,000 108,500,000 104,800,000 109,100,000 78,500,000 88,800,000 86,000,000 84,200,000 73,800,000 63,000,000 72,300,000 64,800,000 80,900,000 74,000,000 83,000,000 76,000,000 62,900,000 81,000,000 41,200,000 33,000,000 38,600,000 55,900,000 50,500,000 50,500,000 76,500,000 67,800,000 43,100,000 39,600,000 42,700,000 37,600,000 40,900,000 39,000,000 43,600,000 43,100,000 38,700,000 46,000,000 47,700,000 43,600,000 42,500,000 488,100,000 
        total assets
      2,789,900,000 2,564,800,000 2,592,100,000 2,512,800,000 2,439,600,000 2,314,900,000 2,311,400,000 2,315,700,000 2,299,800,000 2,267,400,000                                                                              
        liabilities and stockholders’ equity
                                                                                             
        current liabilities:
                                                                                             
        accounts payable
      494,100,000 274,600,000 392,800,000 317,800,000 289,700,000 266,900,000 275,400,000 281,800,000 273,800,000 252,700,000 243,200,000 236,200,000 282,300,000 305,100,000 337,300,000 418,800,000 442,800,000 351,400,000 340,700,000 344,100,000 259,600,000 86,100,000 63,400,000 61,000,000 113,900,000 92,000,000 93,800,000 101,300,000 124,400,000 121,400,000 120,400,000 132,000,000 120,200,000 90,000,000 94,400,000 84,200,000 84,400,000 75,800,000 69,600,000 72,300,000 70,200,000 76,700,000 69,300,000 77,400,000 83,100,000 81,400,000 89,300,000 72,100,000 72,300,000 62,900,000 71,300,000 73,200,000 73,200,000 62,500,000 66,000,000 66,500,000 65,400,000 62,200,000 62,300,000 73,700,000 63,700,000 50,800,000 48,700,000 51,400,000 58,100,000 49,000,000 49,800,000 37,700,000 32,300,000 52,400,000 70,200,000 72,300,000 79,600,000 70,100,000 65,300,000 65,300,000 62,700,000 73,200,000 61,700,000 56,100,000  51,400,000   44,700,000   
        accrued salaries, wages and related expenses
      51,500,000 61,300,000 58,400,000 53,300,000 53,400,000 54,300,000 51,900,000 48,900,000 45,500,000 53,000,000 50,700,000 48,100,000 42,700,000 45,200,000 42,400,000 41,400,000 40,900,000 46,900,000 48,900,000 39,900,000 31,900,000 30,800,000 33,500,000 34,900,000 28,300,000 34,400,000 31,900,000 30,400,000 28,200,000 40,100,000 35,100,000 32,200,000 28,700,000 42,600,000 39,000,000 34,600,000 29,100,000 49,100,000 42,800,000 36,400,000 33,900,000 39,800,000 38,400,000 34,400,000 33,600,000 39,600,000                                          
        other accrued liabilities
      56,300,000 91,300,000 49,500,000 55,100,000 66,900,000 79,400,000 54,900,000 65,700,000 65,400,000 64,300,000 73,100,000 70,400,000 80,900,000 68,400,000 88,500,000 87,300,000 70,900,000 58,400,000 55,200,000 55,500,000 58,900,000 41,400,000 45,300,000 54,500,000 56,900,000 44,000,000 50,100,000 47,200,000 51,600,000 44,000,000 37,000,000 29,900,000 35,600,000 40,500,000 43,300,000 37,500,000 40,400,000 39,900,000 46,700,000 44,200,000 56,500,000 52,700,000 61,400,000 51,600,000 157,200,000 132,800,000 131,700,000 115,100,000 37,100,000 44,800,000 40,900,000 39,900,000 38,400,000 51,900,000 41,900,000 46,300,000 42,600,000 41,000,000 41,000,000 34,400,000 42,500,000 42,000,000 39,400,000 29,200,000 27,700,000 32,100,000 32,800,000 57,200,000 99,700,000 113,900,000 55,300,000 38,900,000 29,700,000 36,600,000 34,000,000 39,600,000 44,100,000 46,900,000 50,900,000 61,000,000  55,200,000   74,200,000   
        total current liabilities
      601,900,000 427,200,000 500,700,000 426,200,000 410,000,000 400,600,000 382,200,000 396,400,000 384,700,000 370,000,000 367,000,000 354,700,000 405,900,000 418,700,000 468,200,000 547,500,000 554,600,000 456,700,000 444,800,000 439,500,000 350,400,000 158,300,000 142,200,000 150,400,000 199,100,000 170,400,000 175,800,000 178,900,000 204,200,000 205,500,000 192,500,000 194,100,000 184,500,000 173,100,000 176,700,000 156,300,000 153,900,000 165,000,000 159,200,000 153,000,000 160,700,000 169,300,000 169,200,000 163,500,000 448,900,000 426,400,000 428,500,000 389,000,000 142,800,000 150,600,000 151,400,000 147,100,000 157,200,000 161,600,000 157,400,000 162,400,000 163,700,000 149,800,000 153,500,000 164,900,000 164,400,000 142,300,000 138,700,000 128,100,000 131,100,000 123,200,000 136,400,000 146,200,000 185,600,000 235,000,000 170,600,000 154,300,000 159,100,000 165,400,000 153,700,000 160,800,000 162,300,000 176,400,000 165,800,000 190,800,000  167,600,000   238,400,000   
        long-term portion of operating lease liabilities
      22,500,000 21,700,000 22,800,000 23,500,000 24,000,000 25,200,000 25,200,000 26,300,000 27,400,000 29,200,000 31,100,000 33,300,000 35,200,000 35,400,000 37,300,000 39,100,000 40,500,000 40,800,000 40,200,000 34,400,000 34,100,000 25,600,000 26,300,000 27,000,000 27,800,000 25,200,000 25,600,000 26,000,000 26,600,000                                                           
        pension and opeb
      72,900,000 73,400,000 70,600,000 71,200,000 72,000,000 71,400,000                                                                                  
        deferred tax liabilities
      93,500,000 75,400,000 64,600,000 55,900,000 50,600,000 24,100,000 23,700,000 20,600,000 19,500,000 13,900,000 8,000,000 6,500,000 5,700,000 4,900,000 4,700,000 3,900,000 17,900,000 10,500,000 15,000,000 4,600,000 15,900,000 13,900,000 8,900,000 7,300,000 4,500,000 4,500,000 4,200,000 4,200,000 4,200,000 4,200,000 4,300,000 4,300,000 4,300,000 4,300,000 3,300,000 3,300,000 3,300,000 3,300,000 2,200,000 2,200,000 2,100,000 2,100,000 800,000 800,000 800,000 900,000                                          
        long-term liabilities
      84,000,000 81,400,000 84,400,000 84,800,000 84,200,000 84,000,000 90,800,000 88,300,000 83,600,000 81,700,000 85,500,000 85,900,000 82,800,000 74,700,000 72,200,000 73,600,000 74,400,000 72,500,000 74,500,000 75,800,000 76,300,000 78,600,000 80,300,000 75,300,000 75,300,000 67,000,000 65,400,000 63,200,000 61,800,000 66,400,000 64,700,000 62,600,000 61,300,000 60,000,000 61,900,000 61,100,000 60,100,000 73,200,000 71,200,000 71,400,000 72,500,000 87,500,000 86,000,000 86,800,000 89,100,000 58,300,000 60,900,000 63,700,000 149,000,000 146,400,000 154,000,000 127,000,000 135,200,000 134,500,000 128,300,000 118,700,000 116,100,000 126,000,000 115,700,000 141,800,000 130,100,000 134,700,000 126,100,000 98,900,000 108,200,000 53,700,000 48,900,000 59,300,000 72,000,000 65,300,000 54,400,000 57,500,000 60,000,000 57,000,000 68,200,000 62,800,000 60,400,000 58,300,000 59,400,000 49,000,000 47,200,000 42,000,000 41,100,000 37,400,000 33,300,000 32,900,000 44,500,000 
        long-term debt
      1,037,800,000 1,059,600,000 1,042,900,000 1,075,200,000 1,042,000,000 1,041,600,000 1,041,200,000 1,040,700,000 1,040,300,000 1,039,800,000 1,039,400,000 1,053,900,000 1,077,900,000 1,038,100,000 1,037,600,000 1,037,200,000 1,036,800,000 1,036,300,000 1,035,900,000 1,035,500,000 838,700,000 838,100,000 837,600,000 837,100,000 492,800,000 492,600,000 371,100,000 370,900,000 370,600,000 370,400,000 370,200,000 370,000,000 369,800,000 369,600,000 369,400,000 369,200,000 368,900,000     197,800,000 218,900,000 225,000,000 225,000,000 225,000,000 225,000,000 225,000,000 390,700,000 388,500,000 386,400,000 384,300,000 382,300,000 380,300,000 378,400,000 376,600,000                   50,000,000 50,000,000 50,000,000 50,000,000 50,000,000 1,200,000 1,200,000 1,200,000 1,200,000 1,200,000 2,800,000 2,800,000 2,200,000 
        total liabilities
      1,912,600,000 1,738,700,000 1,786,000,000 1,736,800,000 1,682,800,000 1,646,900,000 1,644,400,000 1,653,700,000 1,634,900,000 1,615,200,000 1,627,400,000 1,629,400,000 1,694,100,000 1,657,600,000 1,731,600,000 1,811,700,000 1,833,200,000 1,729,900,000 1,716,200,000 1,693,800,000 1,417,800,000 1,132,300,000 1,127,700,000 1,129,600,000 832,000,000 792,300,000 674,900,000 675,800,000 699,900,000 678,900,000 663,500,000 662,800,000 651,800,000 638,900,000 639,100,000 617,900,000 614,500,000 638,800,000 619,300,000 613,300,000 448,800,000 475,700,000 490,800,000 492,500,000 780,600,000 727,800,000 715,600,000 678,900,000 683,700,000 686,700,000 696,900,000 662,900,000 679,600,000 681,700,000 684,000,000 677,800,000 453,000,000 447,800,000 419,200,000 458,900,000 445,400,000 430,200,000                          
        commitments and contingencies – note 6
                                                                                             
        stockholders’ equity:
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2026 and december 31, 2025; no shares were issued and outstanding at march 31, 2026 and december 31, 2025
                                                                                             
        common stock
      200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 200,000 800,000 800,000 800,000 800,000 800,000 800,000 800,000 800,000 
        additional paid in capital
      1,129,600,000 1,132,500,000 1,128,000,000 1,124,100,000 1,119,400,000 1,117,000,000 1,114,600,000 1,111,000,000 1,107,500,000 1,104,700,000 1,100,400,000 1,096,600,000 1,092,500,000 1,090,400,000 1,087,200,000 1,084,800,000 1,081,000,000 1,078,900,000 1,076,600,000 1,073,200,000 1,069,300,000 1,068,600,000 1,066,000,000 1,063,300,000 1,060,300,000 1,062,900,000 1,061,500,000 1,059,200,000 1,056,700,000 1,059,300,000 1,057,400,000 1,054,700,000 1,051,800,000 1,055,900,000 1,052,800,000 1,049,300,000 1,046,000,000     1,036,500,000 1,033,600,000 1,031,400,000 1,029,100,000 1,028,500,000 1,026,900,000 1,026,000,000 1,023,600,000 1,023,100,000 1,022,400,000 1,021,100,000 1,018,900,000 1,017,700,000 1,017,000,000                                 
        retained earnings
      191,400,000 142,500,000 127,100,000 100,400,000 90,000,000 6,200,000 11,800,000 12,500,000 22,100,000 10,100,000 15,200,000 22,400,000 16,700,000 13,300,000 52,200,000 62,200,000 88,600,000 93,000,000 103,000,000 116,900,000 151,000,000 158,200,000 163,000,000 173,400,000 190,600,000 172,800,000 193,000,000 177,300,000 168,000,000 150,200,000 135,600,000 123,100,000 111,700,000 85,500,000 109,000,000 97,600,000 101,900,000     15,900,000 9,700,000   280,400,000 271,100,000 261,400,000 243,200,000 233,800,000 212,200,000 191,800,000 179,000,000 151,200,000 146,900,000 122,600,000 106,500,000 84,400,000 86,200,000 86,600,000 86,700,000 80,100,000 85,100,000 84,300,000 88,900,000 85,000,000 65,800,000 47,800,000 33,100,000 34,100,000 142,400,000 169,300,000 151,500,000 116,100,000 95,400,000 78,000,000 43,300,000 26,200,000 14,300,000         
        treasury stock
      -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -475,900,000 -463,400,000 -460,100,000 -448,100,000 -437,900,000 -420,500,000 -390,900,000 -378,000,000 -364,700,000 -358,600,000 -345,700,000 -344,000,000 -314,100,000 -281,400,000 -260,300,000 -255,100,000 -252,900,000 -246,500,000 -242,500,000 -238,600,000 -227,100,000 -197,100,000 -181,100,000 -176,200,000 -164,900,000 -152,200,000 -116,800,000 -112,800,000 -88,500,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -72,300,000 -28,100,000 -28,100,000 -28,100,000 -28,100,000 -28,100,000 -28,100,000    -600,000 -300,000            
        aoci
      32,000,000  26,700,000 27,200,000 23,100,000                                                                                   
        total stockholders’ equity
      877,300,000 826,100,000 806,100,000 776,000,000 756,800,000 668,000,000 667,000,000 662,000,000 664,900,000 652,200,000 640,700,000 638,100,000 635,600,000 631,200,000 642,000,000 650,000,000 708,200,000 692,500,000 721,000,000 720,700,000 735,000,000  719,300,000           746,300,000    804,700,000    774,400,000 772,300,000 758,800,000 754,300,000 1,015,900,000 1,100,700,000 1,093,700,000 1,082,300,000 1,084,200,000 1,095,100,000 1,076,800,000 1,084,800,000 1,070,800,000 1,010,300,000 983,600,000 937,300,000 872,800,000 962,100,000 960,900,000 925,400,000 912,200,000 907,700,000 901,400,000 887,500,000 901,200,000 826,200,000 807,000,000 790,300,000 788,100,000 950,600,000 1,001,000,000 980,500,000 942,800,000 533,600,000 499,900,000 444,900,000 370,700,000 345,900,000 -3,105,300,000  -3,141,200,000   -2,378,000,000   
        total liabilities and stockholders' equity
      2,789,900,000 2,564,800,000 2,592,100,000 2,512,800,000 2,439,600,000 2,314,900,000 2,311,400,000 2,315,700,000 2,299,800,000 2,267,400,000                                                                              
        receivables:
                                                                   135,600,000                          
        trade receivables
       395,200,000 388,900,000 378,700,000 347,400,000 319,700,000 370,200,000 370,100,000 341,400,000 325,200,000 351,500,000 363,600,000 365,000,000 297,200,000 311,500,000 351,100,000 432,200,000 332,700,000 361,600,000 389,200,000 305,800,000 112,800,000 119,000,000 126,400,000 175,200,000 167,100,000 188,100,000 178,100,000 195,800,000 179,800,000 194,500,000 191,200,000 185,300,000 165,000,000 138,200,000 145,600,000                                                    
        other
       28,100,000 32,300,000 39,100,000 42,500,000 22,000,000 900,000 13,400,000 11,200,000 12,400,000 7,600,000 25,300,000 42,600,000 73,500,000 56,900,000 49,500,000 50,600,000 53,000,000 44,500,000 38,900,000 31,500,000 11,600,000 22,800,000 22,000,000 22,600,000 18,100,000 26,100,000 25,100,000 22,400,000 25,600,000 24,400,000 18,900,000 18,200,000 15,500,000 15,400,000 10,700,000 11,800,000 11,900,000 7,300,000 8,200,000 8,600,000 6,100,000 4,400,000 5,900,000 8,800,000 10,900,000 10,400,000 11,000,000 11,700,000 13,400,000 14,500,000 11,600,000 11,800,000 3,400,000 1,700,000 1,900,000 1,300,000 1,200,000 1,900,000 3,800,000 3,300,000 5,200,000 5,200,000 5,000,000 4,000,000 2,200,000 3,000,000 3,100,000 9,300,000 17,500,000 8,700,000 8,300,000 8,800,000 6,300,000 4,800,000 7,000,000 6,300,000 6,300,000 6,900,000 5,700,000  6,900,000   5,200,000   
        commitments and contingencies – note 10
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2025 and december 31, 2024; no shares were issued and outstanding at december 31, 2025 and december 31, 2024
                                                                                             
        accumulated other comprehensive income
       26,800,000    20,500,000 16,300,000 14,200,000 11,000,000 13,100,000 800,000 -5,200,000 2,100,000 3,200,000   14,300,000  17,100,000 6,300,000                                       1,800,000 1,400,000 1,400,000 1,700,000          -5,300,000 -5,000,000 -6,000,000 4,400,000 6,000,000 7,900,000 7,900,000  -8,800,000 -8,800,000 -8,800,000 -10,000,000 -9,000,000 -7,600,000 -5,500,000 -8,100,000 
        commitments and contingencies – note 7
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2025 and december 31, 2024; no shares were issued and outstanding at september 30, 2025 and december 31, 2024
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2025 and december 31, 2024; no shares were issued and outstanding at june 30, 2025 and december 31, 2024
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2025 and december 31, 2024; no shares were issued and outstanding at march 31, 2025 and december 31, 2024
                                                                                             
        net liabilities of salaried veba
            3,700,000 3,800,000 3,800,000 3,800,000 17,000,000 16,900,000 16,700,000 16,500,000 19,800,000 20,000,000 20,300,000 20,600,000 16,600,000 17,000,000 17,400,000 17,800,000 32,400,000 32,500,000 32,500,000 32,600,000 32,800,000 32,600,000 32,500,000 32,400,000 31,800,000 31,800,000 31,900,000 31,900,000 27,800,000 28,000,000 28,300,000 28,600,000 18,200,000 18,500,000 18,700,000 19,000,000 15,900,000 16,400,000 16,800,000                                           
        preferred stock, 5,000,000 shares authorized at both december 31, 2024 and december 31, 2023; no shares were issued and outstanding at december 31, 2024 and december 31, 2023
                                                                                             
        pension and other postretirement benefits
            77,600,000 77,600,000 75,600,000 76,800,000 79,400,000 78,200,000 69,900,000 69,300,000 91,800,000 90,400,000 88,700,000 92,500,000 89,200,000 87,000,000 85,000,000                                                                   
        preferred stock, 5,000,000 shares authorized at both september 30, 2024 and december 31, 2023; no shares were issued and outstanding at september 30, 2024 and december 31, 2023
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2024 and december 31, 2023; no shares were issued and outstanding at june 30, 2024 and december 31, 2023
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2024 and december 31, 2023; no shares were issued and outstanding at march 31, 2024 and december 31, 2023
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2023 and december 31, 2022; no shares were issued and outstanding at december 31, 2023 and december 31, 2022
                                                                                             
        total
                2,268,100,000 2,267,500,000 2,329,700,000 2,288,800,000 2,373,600,000 2,461,700,000 2,541,400,000 2,422,400,000 2,437,200,000 2,414,500,000 2,152,800,000 1,864,700,000 1,847,000,000 1,848,400,000 1,553,100,000 1,526,200,000 1,426,300,000 1,422,100,000 1,447,800,000 1,419,300,000 1,426,000,000 1,423,800,000 1,405,400,000 1,385,200,000 1,422,700,000 1,386,700,000 1,413,100,000 1,443,500,000 1,433,400,000 1,421,600,000 1,236,600,000 1,250,100,000 1,263,100,000 1,251,300,000 1,534,900,000 1,743,700,000 1,816,300,000 1,772,600,000 1,766,000,000 1,770,900,000 1,792,000,000 1,739,700,000 1,764,400,000 1,752,500,000 1,694,300,000 1,661,400,000 1,390,300,000 1,320,600,000 1,381,300,000 1,419,800,000 1,370,800,000 1,342,400,000 1,325,700,000 1,274,800,000 1,271,400,000 1,085,500,000 1,035,500,000 1,035,500,000 1,069,800,000 1,145,400,000 1,210,300,000 1,212,800,000 1,199,600,000 1,165,200,000 805,500,000 773,500,000 717,600,000 655,400,000 621,100,000 1,597,900,000  1,538,900,000   1,876,500,000   
        preferred stock, 5,000,000 shares authorized at both september 30, 2023 and december 31, 2022; no shares were issued and outstanding at september 30, 2023 and december 31, 2022
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2023 and december 31, 2022; no shares were issued and outstanding at june 30, 2023 and december 31, 2022
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2023 and december 31, 2022; no shares were issued and outstanding at march 31, 2023 and december 31, 2022
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2022 and december 31, 2021; no shares were issued and outstanding at december 31, 2022 and december 31, 2021
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2022 and december 31, 2021; no shares were issued and outstanding at september 30, 2022 and december 31, 2021
                                                                                             
        accumulated other comprehensive loss
                    -21,700,000 -21,300,000  -3,700,000   -9,600,000 -18,700,000 -34,000,000 -42,200,000 -54,100,000 -38,600,000 -43,200,000 -42,300,000 -39,100,000 -48,800,000 -39,800,000 -39,000,000 -45,400,000 -36,700,000 -32,700,000 -34,300,000 -35,400,000 -36,700,000 -28,800,000 -29,900,000 -30,800,000 -31,700,000 -28,700,000 -28,800,000 -29,200,000 -96,100,000 -16,400,000 -17,700,000 -19,800,000 -20,700,000 -22,900,000 -23,500,000 -24,800,000 -26,000,000 -81,500,000 -82,400,000 -83,900,000 -85,000,000     -7,300,000 -7,100,000 -7,500,000 -7,300,000 -62,300,000 -61,400,000 -59,800,000 -60,300,000 -4,600,000                 
        preferred stock, 5,000,000 shares authorized at both june 30, 2022 and december 31, 2021; no shares were issued and outstanding at june 30, 2022 and december 31, 2021
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2022 and december 31, 2021; no shares were issued and outstanding at march 31, 2022 and december 31, 2021
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2021 and december 31, 2020; no shares were issued and outstanding at december 31, 2021 and december 31, 2020
                                                                                             
        commitments and contingencies – note 8
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2021 and december 31, 2020; no shares were issued and outstanding at september 30, 2021 and december 31, 2020
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2021 and december 31, 2020; no shares were issued and outstanding at june 30, 2021 and december 31, 2020
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2021 and december 31, 2020; no shares were issued and outstanding at march 31, 2021 and december 31, 2020
                                                                                             
        short-term investments
                              39,300,000 78,700,000 25,300,000 24,400,000 22,300,000 36,700,000 88,400,000 71,900,000 83,800,000 183,700,000 191,400,000 175,700,000 195,500,000 231,000,000 201,000,000 72,000,000 10,000,000 30,000,000 30,000,000 30,000,000 30,000,000 114,000,000 100,100,000 127,200,000 104,500,000 129,500,000 115,900,000 47,300,000 85,600,000 85,000,000 79,900,000                                 
        liabilities and stockholders' equity
                                                                                             
        stockholders' equity:
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2020 and december 31, 2019; no shares were issued and outstanding at december 31, 2020 and december 31, 2019
                                                                                             
        total stockholders' equity
                           732,400,000  718,800,000 721,100,000 733,900,000 751,400,000 746,300,000 747,900,000 740,400,000 762,500,000 761,000,000 753,600,000  783,600,000 768,800,000 798,600,000  814,100,000 808,300,000 787,800,000                                               
        preferred stock, 5,000,000 shares authorized at both september 30, 2020 and december 31, 2019; no shares were issued and outstanding at september 30, 2020 and december 31, 2019
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2020 and december 31, 2019; no shares were issued and outstanding at june 30, 2020 and december 31, 2019
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2020 and december 31, 2019; no shares were issued and outstanding at march 31, 2020 and december 31, 2019
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2019 and december 31, 2018; no shares were issued and outstanding at december 31, 2019 and december 31, 2018
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2019 and december 31, 2018; no shares were issued and outstanding at september 30, 2019 and december 31, 2018
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2019 and december 31, 2018; no shares were issued and outstanding at june 30, 2019 and december 31, 2018
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2019 and december 31, 2018; no shares were issued and outstanding at march 31, 2019 and december 31, 2018
                                                                                             
        commitments and contingencies – note 9
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2018 and december 31, 2017; no shares were issued and outstanding at december 31, 2018 and december 31, 2017
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2018 and december 31, 2017; no shares were issued and outstanding at september 30, 2018 and december 31, 2017
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2018 and december 31, 2017; no shares were issued and outstanding at june 30, 2018 and december 31, 2017
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2018 and december 31, 2017; no shares were issued and outstanding at march 31, 2018 and december 31, 2017
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2017 and december 31, 2016; no shares were issued and outstanding at december 31, 2017 and december 31, 2016
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2017 and december 31, 2016; no shares were issued and outstanding at september 30, 2017 and december 31, 2016
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2017 and december 31, 2016; no shares were issued and outstanding at june 30, 2017 and december 31, 2016
                                                                                             
        trade receivables – net
                                          157,000,000 137,700,000 142,200,000 134,600,000 138,800,000 116,700,000 131,600,000 138,600,000 149,700,000                                           
        property, plant and equipment – net
                                          535,800,000 530,900,000 518,600,000 512,700,000 504,500,000 495,400,000 472,700,000 464,500,000 458,100,000                                           
        deferred tax assets – net
                                          140,800,000     162,600,000 135,700,000 148,700,000 161,700,000  26,700,000 45,800,000 59,200,000  61,600,000 75,800,000 87,000,000  139,700,000 156,300,000 186,900,000  201,800,000 197,700,000                            
        intangible assets – net
                                          26,000,000 26,400,000 26,700,000 29,700,000 30,100,000 30,500,000 30,900,000 31,300,000 31,700,000  32,500,000 32,900,000 33,300,000  34,100,000 34,500,000 35,000,000  35,900,000 36,300,000 36,800,000  37,800,000 38,300,000                            
        preferred stock, 5,000,000 shares authorized at both march 31, 2017 and december 31, 2016; no shares were issued and outstanding at march 31, 2017 and december 31, 2016
                                                                                             
        prepaid expenses and other current assets1
                                           18,500,000 10,900,000 12,800,000 9,100,000                                               
        deferred tax assets – net1, 2
                                           159,700,000 170,900,000 180,900,000 197,500,000                                               
        other assets1
                                           33,400,000 22,100,000 20,700,000 19,500,000                                               
        short-term capital leases
                                           200,000 100,000 100,000 100,000 100,000 100,000 100,000  100,000 100,000   200,000                                      
        long-term debt1
                                           368,700,000 368,500,000 368,200,000 194,800,000                                               
        preferred stock, 5,000,000 shares authorized at both december 31, 2016 and december 31, 2015; no shares were issued and outstanding at december 31, 2016 and december 31, 2015
                                                                                             
        additional paid in capital2
                                           1,047,400,000 1,044,300,000 1,041,200,000 1,037,200,000                                               
        retained earnings2
                                           75,200,000 58,700,000 51,900,000 34,100,000                                               
        preferred stock, 5,000,000 shares authorized at both september 30, 2016 and december 31, 2015; no shares were issued and outstanding at september 30, 2016 and december 31, 2015
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2016 and december 31, 2015; no shares were issued and outstanding at june 30, 2016 and december 31, 2015
                                                                                             
        preferred stock, 5,000,000 shares authorized at both march 31, 2016 and december 31, 2015; no shares were issued and outstanding at march 31, 2016 and december 31, 2015
                                                                                             
        net assets of union veba
                                                                                             
        current portion of long-term debt
                                                  175,000,000 172,500,000 170,200,000 167,900,000                                        
        preferred stock, 5,000,000 shares authorized at both december 31, 2015 and december 31, 2014; no shares were issued and outstanding at december 31, 2015 and december 31, 2014
                                                                                             
        preferred stock, 5,000,000 shares authorized at both september 30, 2015 and december 31, 2014; no shares were issued and outstanding at september 30, 2015 and december 31, 2014
                                                                                             
        preferred stock, 5,000,000 shares authorized at both june 30, 2015 and december 31, 2014; no shares were issued and outstanding at june 30, 2015 and december 31, 2014
                                                                                             
        (accumulated deficit) retained earnings
                                                 -5,400,000 -18,700,000                                           
        preferred stock, 5,000,000 shares authorized at both march 31, 2015 and december 31, 2014; no shares were issued and outstanding at march 31, 2015 and december 31, 2014
                                                                                             
        trade receivables — net
                                                   129,300,000                                          
        property, plant and equipment — net
                                                   454,900,000                                          
        net asset of vebas
                                                   340,100,000   414,100,000                                       
        deferred tax assets — net
                                                   30,900,000    69,100,000    102,000,000    226,900,000   221,000,000 231,100,000 250,100,000 254,800,000 265,600,000 277,200,000 278,000,000 295,700,000 312,500,000 313,300,000 246,500,000 232,800,000 244,000,000 268,600,000              
        intangible assets — net
                                                   32,100,000    33,700,000    35,400,000    37,200,000   38,800,000                           
        net liability of veba
                                                   17,200,000                                          
        commitments and contingencies — note 9
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2014 and december 31, 2013; no shares were issued and outstanding at december 31, 2014 and december 31, 2013
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at september 30, 2014 and december 31, 2013
                                                    132,400,000                                         
        property, plant, and equipment – net
                                                    442,900,000 441,400,000 436,700,000  411,700,000 398,300,000 386,400,000  374,700,000 373,000,000 370,800,000  363,800,000 360,400,000                            
        net assets of vebas
                                                    430,300,000 422,200,000                                        
        accrued salaries, wages, and related expenses
                                                    37,200,000 33,800,000 33,200,000 42,700,000 39,000,000 33,700,000 33,100,000 39,300,000 35,500,000 31,300,000 31,600,000 30,900,000 28,500,000 26,900,000 29,500,000 31,100,000 29,300,000 28,000,000 28,600,000 33,100,000 32,300,000 30,200,000 32,100,000 41,200,000 34,500,000 31,800,000 32,500,000 40,100,000 34,600,000 36,100,000 35,600,000 39,400,000 33,600,000 37,000,000  42,000,000   51,800,000   
        deferred tax liability
                                                    1,200,000 1,200,000 1,200,000 1,200,000 1,100,000                                     
        preferred stock, 5,000,000 shares authorized at both september 30, 2014 and december 31, 2013; no shares were issued and outstanding at september 30, 2014 and december 31, 2013
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at june 30, 2014 and december 31, 2013
                                                     123,100,000                                        
        short-term capital lease
                                                     100,000 200,000  200,000 300,000 200,000                                   
        preferred stock, 5,000,000 shares authorized at both june 30, 2014 and december 31, 2013; no shares were issued and outstanding at june 30, 2014 and december 31, 2013
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at march 31, 2014 and december 31, 2013
                                                      123,500,000                                       
        preferred stock, 5,000,000 shares authorized at both march 31, 2014 and december 31, 2013; no shares were issued and outstanding at march 31, 2014 and december 31, 2013
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at december 31, 2013 and december 31, 2012
                                                       119,800,000                                      
        property, plant, and equipment — net
                                                       429,300,000    384,300,000    367,800,000   358,100,000 354,100,000 356,900,000 349,100,000 350,300,000 338,900,000 332,000,000 323,600,000 310,700,000 296,700,000 272,800,000 253,300,000 232,900,000 222,700,000 205,900,000 193,600,000 179,500,000 170,300,000 148,400,000 242,700,000 233,800,000 223,400,000 218,500,000 213,000,000 213,400,000 214,600,000 217,700,000 
        net asset in respect of vebas
                                                       406,000,000         267,800,000 265,600,000 208,600,000                           
        payable to affiliate
                                                          12,300,000 7,900,000 14,000,000 18,300,000 22,400,000 14,400,000 20,400,000 25,100,000 23,900,000 17,100,000 20,000,000 18,600,000 16,700,000 9,000,000 21,500,000 21,100,000 21,500,000 27,500,000 10,600,000 11,300,000 17,300,000 18,600,000 19,800,000 19,200,000 19,300,000 16,200,000 19,500,000 33,000,000  14,800,000   12,600,000   
        net liability in respect of veba
                                                        4,000,000 4,500,000 4,900,000 5,300,000 19,900,000 20,100,000 20,400,000 20,600,000     1,200,000 900,000 600,000 300,000 16,900,000 15,900,000 14,900,000 14,000,000                  
        commitments and contingencies — note 10
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2013 and december 31, 2012; no shares were issued and outstanding at december 31, 2013 and december 31, 2012
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at september 30, 2013 and december 31, 2012
                                                        122,100,000                                     
        net asset in respect of veba
                                                        385,700,000 379,100,000 372,500,000 365,900,000 266,900,000 262,300,000 213,400,000 144,700,000    195,700,000 179,600,000 172,300,000 145,100,000 127,500,000 55,200,000 55,500,000 55,900,000 56,200,000                  
        preferred stock, 5,000,000 shares authorized at both september 30, 2013 and december 31, 2012; no shares were issued and outstanding at september 30, 2013 and december 31, 2012
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at june 30, 2013 and december 31, 2012
                                                         122,700,000                                    
        preferred stock, 5,000,000 shares authorized at both june 30, 2013 and december 31, 2012; no shares were issued and outstanding at june 30, 2013 and december 31, 2012
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at march 31, 2013 and december 31, 2012
                                                          141,800,000                                   
        preferred stock, 5,000,000 shares authorized at both march 31, 2013 and december 31, 2012; no shares were issued and outstanding at march 31, 2013 and december 31, 2012
                                                                                             
        trade, less allowance for doubtful receivables of 0.8 at december 31, 2012 and 0.9 at december 31, 2011, respectively
                                                           123,800,000                                  
        long-term debt-current portion
                                                              1,700,000 1,300,000    1,300,000 1,300,000                         
        commitments and contingencies — note 11
                                                                                             
        preferred stock, 5,000,000 shares authorized at both december 31, 2012 and december 31, 2011; no shares were issued and outstanding at december 31, 2012 and december 31, 2011
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, none at december 31, 2012 and 2,202,495 shares at december 31, 2011
                                                                                             
        trade, less allowance for doubtful receivables of 0.7 at september 30, 2012 and 0.9 december 31, 2011
                                                            156,400,000                                 
        preferred stock, 5,000,000 shares authorized at both september 30, 2012 and december 31, 2011; no shares were issued and outstanding at september 30, 2012 and december 31, 2011
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, none at september 30, 2012 and 2,202,495 shares at december 31, 2011
                                                                                             
        trade, less allowance for doubtful receivables of 0.9 at june 30, 2012 and december 31, 2011
                                                             131,300,000                                
        preferred stock, 5,000,000 shares authorized at both june 30, 2012 and december 31, 2011; no shares were issued and outstanding at june 30, 2012 and december 31, 2011
                                                                                             
        additional capital
                                                             1,015,500,000 1,007,900,000 998,400,000 999,100,000 997,900,000 988,800,000 987,100,000 986,600,000 985,400,000 983,700,000 967,800,000 967,000,000 964,900,000 961,300,000 958,600,000 957,100,000 953,200,000 950,200,000 948,900,000 565,600,000 547,400,000 524,900,000 487,500,000 482,500,000 538,000,000 538,000,000 538,000,000 538,000,000 538,000,000 538,000,000 538,000,000 538,700,000 
        common stock owned by union veba subject to transfer restrictions, at reorganization value, none at june 30, 2012 and 2,202,495 shares at december 31, 2011
                                                                                             
        trade, less allowance for doubtful receivables of 0.9 at march 31, 2012 and december 31, 2011
                                                              130,100,000                               
        cash convertible senior notes
                                                              149,800,000 148,000,000 146,300,000 144,600,000 143,000,000 141,400,000 139,900,000 138,400,000 136,900,000                       
        other long-term debt
                                                              3,000,000 3,400,000    11,800,000 12,100,000 7,100,000 7,100,000                       
        preferred stock, 5,000,000 shares authorized at both march 31, 2012 and december 31, 2011; no shares were issued and outstanding at march 31, 2012 and december 31, 2011
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 881,010 shares at march 31, 2012 and 2,202,495 shares at december 31, 2011
                                                              -21,100,000                               
        trade, less allowance for doubtful receivables of 0.9 at december 31, 2011 and 0.6 at december 31, 2010, respectively
                                                               98,900,000                              
        preferred stock, 5,000,000 shares authorized at both december 31, 2011 and december 31, 2010; no shares were issued and outstanding at december 31, 2011 and december 31, 2010
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 2,202,495 shares at december 31, 2011 and 3,523,980 shares at december 31, 2010
                                                               -52,900,000                              
        trade, less allowance for doubtful receivables of 0.7 at september 30, 2011 and 0.6 at december 31, 2010
                                                                129,100,000                             
        current portion of secured debt and credit facilities
                                                                1,300,000 4,800,000 4,800,000                           
        long-term secured debt and credit facilities
                                                                3,700,000 7,600,000 7,900,000                           
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 2,202,495 shares at september 30, 2011 and 3,523,980 shares at december 31, 2010
                                                                -52,900,000                             
        trade, less allowance for doubtful receivables of 0.6 at june 30, 2011 and december 31, 2010
                                                                 119,100,000                            
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 2,202,495 shares at june 30, 2011 and 3,523,980 shares at december 31, 2010
                                                                 -52,900,000                            
        trade, less allowance for doubtful receivables of 0.6 at march 31, 2011 and 0.6 at december 31, 2010
                                                                  114,000,000                           
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 3,306,938 shares at march 31, 2011 and 3,523,980 shares at december 31, 2010
                                                                  -79,400,000                           
        trade, less allowance for doubtful receivables of 0.6 at december 31, 2010 and 0.8 at december 31, 2009, respectively
                                                                   83,000,000                          
        due from affiliate
                                                                       200,000    11,800,000    9,500,000    1,300,000          
        commitments and contingencies — note 13
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 3,523,980 shares at december 31, 2010 and 4,845,465 shares at december 31, 2009
                                                                   -84,600,000                          
        trade, less allowance for doubtful receivables of 0.6 at september 30, 2010 and 0.8 at december 31, 2009, respectively
                                                                    90,200,000                         
        commitments and contingencies — note 14
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 3,523,980 at september 30, 2010 and 4,845,465 shares at december 31, 2009
                                                                    -84,600,000                         
        trade, less allowance for doubtful receivables of 0.6 at june 30, 2010 and 0.8 at december 31, 2009, respectively
                                                                     90,900,000                        
        current assets — held for sale
                                                                     2,600,000                        
        other assets — held for sale
                                                                     3,100,000                        
        current liabilities — held for sale
                                                                     900,000                        
        commitments and contingencies — note 12
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 3,708,922 at june 30, 2010 and 4,845,465 shares at december 31, 2009
                                                                     -89,100,000                        
        trade, less allowance for doubtful receivables of .6 and .8 at march 31, 2010 and december 31, 2009, respectively
                                                                      96,000,000                       
        commitments and contingencies
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,392,265 shares at march 31, 2010 and 4,845,465 shares at december 31, 2009
                                                                      -105,500,000                       
        trade, less allowance for doubtful receivables of .8 at both december 31, 2009 and 2008
                                                                       83,700,000                      
        revolving credit facility and other long-term debt
                                                                       7,100,000 7,100,000 7,100,000 7,000,000 43,000,000                  
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both december 31, 2009 and december 31, 2008
                                                                       -116,400,000                      
        trade, less allowance for doubtful receivables of .8 at september 30, 2009 and at december 31, 2008
                                                                        81,100,000                     
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both september 30, 2009 and december 31, 2008
                                                                        -116,400,000                     
        trade, less allowance for doubtful receivables of .8 at june 30, 2009 and december 31, 2008
                                                                         74,200,000                    
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both june 30, 2009 and december 31, 2008
                                                                         -116,400,000                    
        trade, less allowance for doubtful receivables of .8 at march 31, 2009 and december 31, 2008
                                                                          70,700,000                   
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both march 31, 2009 and december 31, 2008
                                                                          -116,400,000                   
        trade, less allowance for doubtful receivables of .8 and 1.4
                                                                           98,500,000                  
        investments in and advances to unconsolidated affiliate
                                                                            37,600,000 44,500,000 44,200,000 41,300,000    18,600,000 13,300,000 22,700,000 15,500,000 12,600,000 16,200,000 14,600,000 15,700,000 16,700,000  
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both december 31, 2008 and december 31, 2007
                                                                           -116,400,000                  
        trade, less allowance for doubtful receivables of 0.9 and 1.4 at september 30, 2008 and december 31, 2007, respectively
                                                                            115,400,000                 
        net assets in respect of vebas
                                                                            135,000,000 134,800,000 134,700,000 134,900,000 90,300,000 89,600,000 89,000,000 40,700,000 32,900,000         
        borrowings under revolving credit facility
                                                                            34,700,000                 
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both september 30, 2008 and december 31, 2007
                                                                            -116,400,000                 
        trade, less allowance for doubtful receivables of 1.0 and 1.4 at june 30, 2008 and december 31, 2007, respectively
                                                                             114,400,000                
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both june 30, 2008 and december 31, 2007
                                                                             -116,400,000                
        trade, less allowance for doubtful receivables of 1.2 and 1.4 at march 31, 2008 and december 31, 2007, respectively
                                                                              121,200,000               
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at both march 31, 2008 and december 31, 2007
                                                                              -116,400,000               
        trade, less allowance for doubtful receivables of 1.4 and 2.0
                                                                               96,500,000              
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 4,845,465 shares at december 31, 2007 and 6,291,945 shares at december 31, 2006
                                                                               -116,400,000              
        trade, less allowance for doubtful receivables of 2.0 at both september 30, 2007 and december 31, 2006
                                                                                112,100,000             
        investment in and advances to unconsolidated affiliate
                                                                                43,900,000 38,600,000 26,100,000           
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 5,472,665 shares and 6,291,945 shares at september 30, 2007 and december 31, 2006, respectively
                                                                                -131,400,000             
        trade, less allowance for doubtful receivables of 2.0 at both periods
                                                                                 116,700,000 115,700,000           
        accrued interest
                                                                                 600,000 600,000 700,000 100,000 1,100,000  1,000,000   800,000   
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 5,472,665 shares and 6,291,945 shares at june 30, 2007 and december 31, 2006, respectively
                                                                                 -131,400,000            
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 5,472,665 shares and 6,291,945 shares at march 31, 2007 and december 31 2006, respectively
                                                                                  -131,400,000           
        trade, less allowance for doubtful receivables of 2.0 and 2.9
                                                                                   98,400,000 109,300,000         
        personal injury-related insurance recoveries receivable
                                                                                     963,300,000 963,700,000 965,500,000 965,500,000 966,100,000 967,000,000 967,000,000  
        intangible assets- net, including goodwill of 11.4 at december 31, 2005
                                                                                             
        liabilities not subject to compromise —
                                                                                             
        long-term debt — current portion
                                                                                     1,100,000  1,100,000   1,200,000   
        discontinued operations’ current liabilities
                                                                                     1,500,000  2,100,000   53,100,000   
        discontinued operations’ liabilities
                                                                                     73,500,000 68,500,000 68,500,000 26,400,000     
        liabilities subject to compromise
                                                                                     4,388,000,000 4,392,200,000 4,400,100,000 3,949,800,000 3,950,400,000 3,952,900,000 3,954,900,000 2,856,000,000 
        minority interests
                                                                                     700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 
        stockholders’ equity
                                                                                             
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 6,291,945 shares at december 31, 2006
                                                                                   -151,100,000          
        intangible assets including goodwill of 11.4 at december 31, 2005
                                                                                    9,600,000         
        common stock owned by union veba subject to transfer restrictions, at reorganization value, 6,291,945 shares at september 30, 2006
                                                                                    -151,100,000         
        trade, less allowance for doubtful receivables of 2.9 at both periods
                                                                                     114,100,000        
        accumulated deficit
                                                                                     -3,635,300,000 -3,632,800,000 -3,671,200,000 -2,535,600,000 -2,547,500,000 -2,909,200,000 -2,917,500,000 -2,280,000,000 
        trade, less allowance for doubtful receivables of 2.9 and 6.9
                                                                                       94,600,000      
        discontinued operations’ current assets
                                                                                        400,000 500,000 40,300,000 30,600,000 96,000,000 
        restricted proceeds from sale of commodity interests
                                                                                        680,600,000 675,000,000 281,300,000 280,800,000 302,600,000 
        discontinued operations’ long-term assets
                                                                                          42,900,000 38,900,000 49,700,000 
        discontinued operations’ long-term liabilities
                                                                                         26,400,000 26,400,000   
        commitments and contingencies stockholders’ equity
                                                                                             
        trade, less allowance for doubtful receivables of 6.5 and 6.9
                                                                                          103,000,000   
        investments in and advances to unconsolidated affiliates
                                                                                            55,500,000 
        liabilities & stockholders’ equity
                                                                                             
        discontinued operations’ long-term liabilities, including minority interests of 13.9 and 121.1
                                                                                            54,200,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2008-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 
                                                                            
          cash flows from operating activities1:
                                                                            
          net income
        62,500,000 28,200,000 39,500,000 23,200,000 21,600,000 7,100,000 12,000,000 3,100,000 24,600,000 7,600,000 5,400,000 18,300,000 15,900,000    8,100,000 1,700,000 -2,300,000 -22,400,000 4,500,000 5,900,000 400,000 -6,600,000 29,100,000 -10,600,000 25,400,000 19,200,000 28,000,000 23,600,000 21,700,000 20,700,000 25,700,000 -15,200,000 19,900,000 4,700,000 36,000,000 24,500,000 14,900,000 26,000,000 26,300,000 13,300,000 22,100,000 20,200,000 -292,200,000 15,600,000 15,900,000 24,500,000 15,800,000 27,300,000 25,400,000 18,600,000 33,500,000 9,100,000 29,200,000 21,000,000 26,500,000 4,900,000  11,900,000 -21,600,000 -2,500,000 38,400,000 -1,135,600,000 11,900,000 361,700,000 8,300,000 -637,500,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                            
          depreciation of property, plant and equipment
        29,300,000 29,800,000 30,900,000 28,400,000 28,900,000 28,500,000 27,900,000 27,800,000 27,700,000 27,600,000 25,800,000 25,000,000 24,900,000 25,100,000 24,400,000 24,100,000 24,000,000 24,500,000 22,300,000 22,900,000 12,800,000 12,300,000 12,200,000 12,300,000 12,500,000 12,100,000 11,600,000 11,400,000 11,200,000 10,800,000 10,600,000 10,600,000 10,100,000 10,000,000 9,900,000 9,200,000 9,200,000 9,000,000 8,600,000 8,600,000 8,300,000 7,800,000 7,700,000 7,700,000 7,600,000 7,600,000 7,600,000 7,300,000 7,000,000 6,800,000 6,500,000 6,500,000 6,600,000 6,400,000 6,300,000 6,100,000 5,900,000 5,700,000           
          amortization of definite-lived intangible assets
        1,100,000 1,100,000 1,100,000 1,200,000 1,100,000 1,100,000 1,100,000 1,200,000 1,100,000 1,100,000 1,400,000 1,400,000 1,400,000 1,400,000 1,400,000 3,000,000 3,500,000 2,800,000 2,600,000 2,900,000 700,000 800,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 700,000 400,000 300,000 400,000 400,000 300,000 300,000 400,000 300,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 400,000 500,000 400,000 500,000 400,000 500,000 400,000 600,000           
          amortization of debt issuance costs
        700,000                                                                    
          deferred income taxes
        16,800,000 11,900,000 10,000,000 4,800,000 6,400,000 -1,700,000 2,100,000 -400,000 6,800,000 1,200,000 -300,000 2,500,000 4,100,000 -8,500,000 600,000 -6,100,000 2,000,000 -1,500,000 8,300,000 -17,300,000 -900,000 400,000 -1,000,000 1,000,000 14,800,000 -6,700,000 9,500,000 7,900,000 10,400,000 9,300,000 9,600,000 9,900,000 7,900,000 50,400,000 18,700,000 1,800,000 18,100,000         4,700,000 7,200,000 13,700,000 8,700,000 14,500,000 14,800,000 10,800,000 15,300,000 7,200,000 15,900,000 12,900,000 16,000,000 6,800,000           
          non-cash equity compensation
        5,900,000 4,600,000 5,000,000 4,700,000 4,200,000 2,700,000 3,600,000 4,100,000 4,000,000 4,300,000 3,900,000 4,500,000 3,400,000 3,200,000 3,300,000 3,800,000 4,000,000 2,400,000 3,500,000 3,900,000 3,100,000 2,600,000 2,700,000 3,000,000 1,700,000 1,400,000 2,300,000 3,700,000 2,400,000 1,900,000 2,700,000 2,900,000 2,800,000  3,500,000 3,600,000 3,000,000     2,500,000 2,200,000 2,700,000 2,100,000 1,600,000 900,000 2,500,000 2,000,000 700,000 1,400,000 2,100,000 2,600,000 400,000 1,600,000 1,300,000 2,500,000 1,400,000  1,700,000         
          loss on disposition of property, plant and equipment
        300,000       300,000 200,000   800,000 -15,000,000 300,000 -8,400,000 1,800,000 300,000 -600,000   100,000 -200,000 100,000 200,000                                           
          non-cash postretirement and postemployment defined benefit plan cost
        2,100,000 2,400,000 2,300,000 2,500,000 2,300,000                                                                
          changes in operating assets and liabilities:
                                                                            
          receivables
        -105,300,000                                                                    
          contract assets
        -12,500,000 -9,400,000 15,100,000 -1,200,000 5,500,000 -11,400,000 1,700,000 -700,000 -4,500,000 -5,900,000 3,700,000 -3,400,000 5,700,000 -7,600,000 42,900,000 -19,000,000 -11,700,000 -23,000,000 6,400,000 -2,200,000 -8,300,000 -1,300,000 6,800,000 5,500,000 7,500,000 -8,500,000 800,000 11,500,000 -3,500,000 -3,900,000 1,600,000 4,900,000 -1,900,000                                    
          inventories
        -73,800,000 -24,900,000 -106,700,000 -23,200,000 29,500,000 -20,700,000 -31,300,000 18,200,000 4,400,000 11,400,000 9,300,000 39,800,000 -12,300,000 12,700,000 -69,500,000 -37,100,000 -26,900,000 9,000,000 -31,300,000 3,100,000 -24,300,000 5,500,000 23,900,000 13,200,000 -17,000,000 14,900,000 38,600,000 2,800,000 -18,800,000  -15,600,000 -400,000 -9,600,000          700,000 -3,300,000 -3,400,000 -13,200,000 5,000,000 11,300,000 -2,100,000 1,800,000 5,600,000 -9,600,000 -5,600,000 13,500,000 6,300,000 10,400,000 8,800,000           
          prepaid expenses and other current assets
        -1,600,000 4,400,000 3,300,000 -6,900,000 200,000 -4,000,000 5,300,000 -9,200,000 -1,700,000 4,000,000 -2,100,000 -3,500,000 -1,200,000 2,800,000 700,000 -2,500,000 -2,500,000 3,000,000 4,600,000 -8,100,000 -400,000 1,400,000 3,000,000 -4,800,000 -2,800,000 2,600,000 -900,000 -3,400,000 1,200,000 1,400,000 -800,000 -2,200,000 100,000 2,400,000 -900,000 -3,300,000  1,800,000 -500,000 -2,200,000   700,000 -2,400,000    -2,300,000 1,000,000 1,800,000 600,000 -2,300,000 -300,000 3,100,000 500,000 -1,900,000 -900,000           
          accounts payable
        217,600,000 -107,200,000 76,600,000 25,400,000 20,300,000 -3,400,000 1,400,000 -2,500,000 18,600,000 10,900,000 2,100,000 -33,400,000 -22,600,000 -20,600,000 -102,400,000 -31,100,000 92,900,000 6,700,000 -9,700,000 82,500,000 33,000,000 21,700,000 1,100,000 -50,400,000 21,700,000 -2,600,000 -8,500,000 -20,800,000 7,400,000 -1,900,000 -12,800,000 11,900,000 32,000,000 -8,600,000 11,500,000 700,000 9,400,000 2,600,000 -2,600,000 1,500,000 1,900,000 1,400,000 -8,900,000 -6,500,000 400,000 -8,400,000 16,500,000 1,800,000 10,400,000 -10,300,000 -400,000 -800,000 9,900,000 -5,700,000 400,000 700,000 3,300,000 -1,600,000           
          accrued liabilities
        -46,200,000 41,700,000 -2,300,000 -11,700,000 -14,300,000 21,600,000 -8,200,000 1,800,000 -5,200,000 -4,000,000 8,300,000 -8,000,000 10,300,000 -3,900,000 6,400,000 -4,600,000 6,500,000 -500,000 2,200,000 11,400,000 4,200,000 -9,300,000 -5,500,000 13,200,000 -2,300,000 -4,200,000 3,300,000 -6,200,000 -400,000 -1,600,000 9,800,000 -3,500,000 -7,300,000 -5,600,000 10,700,000 1,600,000 -11,400,000            -1,400,000 -5,900,000 7,900,000 -700,000 -19,500,000 -5,300,000 8,600,000 2,800,000 4,300,000 -1,800,000           
          annual variable cash contributions to salaried veba
        -2,900,000 -700,000 -1,100,000         -1,700,000  -2,900,000                                            
          long-term assets and liabilities
        -6,100,000 -7,900,000 -2,700,000 -5,000,000 -500,000 -400,000 2,400,000 3,800,000 -3,200,000 -19,500,000 2,000,000 4,500,000 1,500,000 -9,000,000 1,200,000 -200,000 -2,300,000 -8,700,000 1,600,000 1,900,000 -3,100,000 -3,300,000 4,800,000 4,600,000 200,000 200,000 4,700,000 800,000 100,000 -5,700,000   -500,000 -3,300,000 1,000,000 700,000 -600,000            -400,000 3,200,000 -800,000 -400,000 -1,400,000 3,100,000 -100,000 -300,000 -1,500,000 3,300,000           
          net cash from operating activities
        87,900,000 -20,600,000 59,100,000 15,900,000 57,000,000 43,400,000 34,100,000 26,300,000 63,300,000 74,300,000 89,800,000 68,100,000 -20,300,000 -4,500,000 -65,600,000 5,600,000 1,400,000 46,100,000 28,400,000 16,300,000 -11,400,000 56,200,000 55,800,000 42,500,000 52,400,000 78,400,000 83,400,000 47,700,000 22,800,000     10,000,000 58,400,000 69,000,000 4,100,000 57,700,000 34,500,000 50,800,000 21,300,000 49,900,000 60,600,000 40,900,000 7,400,000 20,400,000 32,400,000 44,200,000 27,100,000 21,100,000 41,700,000 42,600,000 6,300,000 45,700,000 32,000,000 39,700,000 35,000,000 42,000,000           
          cash flows from investing activities1:
                                                                            
          capital expenditures
        -19,400,000 -30,500,000 -24,600,000 -43,600,000 -38,200,000 -56,000,000 -51,100,000 -43,700,000 -30,000,000 -23,200,000 -37,400,000 -41,500,000 -41,100,000 -60,100,000 -36,900,000 -17,200,000 -28,300,000 -28,100,000 -11,900,000 -8,900,000 -9,100,000 -14,700,000 -5,400,000 -10,700,000 -21,100,000 -19,500,000 -10,800,000 -16,300,000 -13,600,000     -19,400,000 -16,400,000 -24,900,000 -14,800,000 -18,700,000 -15,100,000 -16,400,000 -25,900,000 -24,700,000 -15,500,000 -11,600,000 -11,300,000 -19,800,000 -9,500,000 -14,700,000 -15,400,000 -23,400,000 -21,000,000 -16,700,000 -9,300,000 -18,400,000 -8,800,000 -7,900,000 -9,000,000 -9,600,000           
          free cash flows
        68,500,000 -51,100,000 34,500,000 -27,700,000 18,800,000 -12,600,000 -17,000,000 -17,400,000 33,300,000 51,100,000 52,400,000 26,600,000 -61,400,000 -64,600,000 -102,500,000 -11,600,000 -26,900,000 18,000,000 16,500,000 7,400,000 -20,500,000 41,500,000 50,400,000 31,800,000 31,300,000 58,900,000 72,600,000 31,400,000 9,200,000     -9,400,000 42,000,000 44,100,000 -10,700,000 39,000,000 19,400,000 34,400,000 -4,600,000 25,200,000 45,100,000 29,300,000 -3,900,000 600,000 22,900,000 29,500,000 11,700,000 -2,300,000 20,700,000 25,900,000 -3,000,000 27,300,000 23,200,000 31,800,000 26,000,000 32,400,000           
          net cash from investing activities
        -19,400,000 11,900,000 -7,800,000 -43,700,000 -38,200,000 -56,000,000 -45,000,000 -43,700,000 -29,900,000 -23,200,000 -37,300,000 -41,800,000 -25,900,000 -54,100,000 -26,900,000 -16,500,000 -28,300,000 -26,300,000 -3,600,000 -9,300,000 -626,600,000 -14,700,000   18,600,000 -72,500,000 -11,600,000 -18,700,000 1,000,000 31,000,000 -75,800,000 -4,700,000 80,600,000 -11,200,000 -30,800,000 -4,900,000 21,400,000 -47,900,000 -143,800,000 -78,800,000 -5,900,000 -24,700,000 -15,500,000 -12,100,000 72,700,000 -33,200,000 17,000,000   -36,000,000 -89,600,000 21,900,000 -9,700,000 -23,000,000 -88,900,000 -8,200,000 -1,800,000 -8,900,000           
          cash flows from financing activities1:
                                                                            
          borrowings under the revolving credit facility
        71,500,000 362,900,000 72,800,000 175,100,000 42,500,000     5,100,000 90,500,000 119,500,000                                                        
          repayment of borrowings under the revolving credit facility
        -93,800,000 -340,600,000 -105,600,000 -142,300,000 -42,500,000     -20,100,000 -114,900,000 -80,100,000                                                        
          repayment of finance lease
        -700,000 -700,000 -500,000 -600,000 -700,000 -500,000 -1,100,000 -500,000 -400,000 -400,000 -500,000 -600,000 -600,000 -1,100,000 -500,000 -500,000 -500,000 -500,000 -700,000 -400,000 -500,000 -400,000 -400,000 -400,000 -300,000 -500,000 -300,000 -300,000                                        
          cancellation of shares to cover tax withholdings upon common shares issued
        -8,800,000 -100,000 -1,100,000 -1,800,000 -300,000 -600,000 -1,200,000                                                           
          cash dividends and dividend equivalents paid
        -13,600,000 -12,800,000 -12,800,000 -12,800,000 -12,900,000 -12,700,000 -12,700,000 -12,700,000 -12,600,000 -12,700,000 -12,600,000 -12,600,000 -12,500,000 -12,500,000 -12,500,000 -12,600,000 -12,500,000 -11,700,000 -11,600,000 -11,700,000 -11,700,000 -10,700,000 -10,800,000 -10,600,000 -11,300,000 -9,600,000 -9,700,000 -9,900,000 -10,200,000 -9,200,000 -9,200,000 -9,300,000 -10,000,000 -8,600,000 -8,500,000 -8,600,000 -9,300,000                                
          net cash from financing activities
        -45,400,000 -1,400,000 -47,200,000 19,400,000 -15,400,000 -13,500,000 -13,800,000 -13,800,000 -14,200,000 -13,100,000 -28,200,000 -38,000,000 25,000,000 -13,600,000 -13,400,000 -14,900,000 -14,900,000 -12,300,000 -12,200,000 148,100,000 -14,500,000 -11,300,000 -11,200,000 332,900,000 -28,500,000 86,200,000 -22,200,000 -21,500,000 -34,000,000 -38,200,000 -22,400,000   -21,600,000 -10,900,000 -40,400,000 -46,500,000 -27,500,000 -13,100,000 152,600,000 -17,200,000 -35,300,000 -16,800,000 -195,400,000 -36,900,000 -21,800,000 -11,300,000 -17,500,000 -20,600,000 -40,200,000 -9,200,000 -30,800,000 -22,000,000 -4,900,000 -5,300,000 209,000,000 -5,700,000 -6,900,000           
          net increase in cash, cash equivalents and restricted cash during the period
        23,100,000    3,400,000    19,200,000         7,500,000 12,600,000 155,100,000 -652,500,000 30,200,000 39,500,000 403,500,000 42,500,000 92,100,000 49,600,000 7,500,000 -10,200,000 30,500,000 -69,700,000 30,600,000 83,900,000  16,700,000                                  
          cash, cash equivalents and restricted cash at beginning of period
        26,900,000 37,900,000 100,700,000 71,300,000 317,000,000 794,300,000 278,600,000 139,600,000 64,300,000 67,700,000                                
          cash, cash equivalents and restricted cash at end of period
        50,000,000 -10,100,000 4,100,000 -8,400,000 41,300,000 -26,100,000 -24,700,000 -31,200,000 119,900,000 38,000,000 24,300,000 -11,700,000 50,100,000 -72,200,000 -105,900,000 -25,800,000 275,200,000 7,500,000 12,600,000 155,100,000 141,800,000 30,200,000 39,500,000 403,500,000 321,100,000 92,100,000 49,600,000 7,500,000 129,400,000 30,500,000 -69,700,000 30,600,000 148,200,000 -22,800,000 16,700,000 23,700,000 46,700,000                                
          cash flows from operating activities2:
                                                                            
          amortization and write-off of debt issuance costs
                                                                            
          non-cash asset impairment charges3
                                                                            
          gain on disposition of property, plant and equipment and asset write-offs
                                                                            
          bad debt expense
         100,000    200,000 100,000                                                            
          trade and other receivables
         -2,200,000 -3,800,000 -27,900,000 -48,000,000 29,300,000 12,500,000 -31,100,000 -15,100,000 21,400,000 29,500,000 19,100,000 -36,900,000 -2,300,000 30,800,000 83,600,000 -97,100,000 20,400,000 19,800,000 -98,800,000 -31,700,000 17,400,000 6,900,000 49,100,000 -12,600,000 29,000,000 -11,000,000 15,000,000 -12,800,000 13,400,000 -6,100,000 -6,600,000 -23,000,000 -26,900,000 2,700,000 12,500,000 -19,200,000 -100,000 -6,700,000 4,600,000 -24,600,000 13,200,000 8,500,000 14,000,000 -18,300,000 2,600,000 -8,700,000 1,300,000 -2,200,000 3,400,000 -2,200,000 19,100,000 -23,600,000 30,900,000 -24,900,000 -1,800,000 -31,300,000 30,900,000           
          cash flows from investing activities2:
                                                                            
          purchase of equity securities
                                                            
          proceeds from sale of equity securities
         6,300,000   100,000 100,000 100,000                                                           
          proceeds from disposition of property, plant and equipment
         42,400,000 10,500,000      15,200,000  10,000,000                                                     
          cash flows from financing activities2:
                                                                            
          issuance of 5.875% senior notes
                                                                          
          repayment of principal of 4.625% senior notes
                                                                            
          cash paid for debt issuance costs
                         -100,000               100,000                              
          amortization of debt premium and debt issuance costs
          600,000 600,000 500,000 500,000 700,000 500,000 600,000 600,000 600,000 500,000 500,000 700,000 500,000 500,000 600,000 500,000 400,000 500,000 700,000 600,000 600,000                                              
          non-cash asset impairment charge3
                                                                            
          non-cash unrealized loss on derivative positions
                                                                           
          gain on disposition of property, plant and equipment
             400,000    200,000                                                           
          net decrease in cash, cash equivalents and restricted cash during the period
          4,100,000    -24,700,000    24,300,000 -11,700,000 -21,200,000  -105,900,000 -25,800,000 -41,800,000                    -21,000,000                                
          note 1
                                                                            
          note 2
                                                                            
          note 3
                                                                            
          note 4
                                                                            
          note 5
                                                                            
          note 6
                                                                            
          note 7
                                                                            
          note 8
                                                                            
          note 9
                                                                            
          note 10
                                                                            
          note 11
                                                                            
          note 12
                                                                            
          note 13
                                                                            
          note 14
                                                                            
          note 15
                                                                            
          trade receivables
            347,400,000                                                   1,200,000 130,100,000            
          billed trade receivables
            348,200,000                                                   -700,000 128,800,000            
          allowance for doubtful receivables
            -800,000                                                   -900,000            
          finished products
            123,500,000                                                                
          work-in-process
            229,200,000                                                                
          raw materials
            205,700,000                                                                
          operating supplies
            14,000,000                                                                
          property, plant and equipment
            1,191,600,000                                                                
          land and improvements
            37,700,000                                                                
          buildings and leasehold improvements
            272,100,000                                                                
          machinery and equipment 2
            1,343,200,000                                                                
          construction in progress
            332,400,000                                                                
          property, plant and equipment, gross
            1,985,400,000                                                                
          accumulated depreciation and amortization
            -794,100,000                                                                
          land held for sale
            300,000                                                                
          other assets
            62,200,000                                                                
          assets to be conveyed associated with warrick acquisition 2
                                                                            
          restricted cash – note 12
            20,000,000                                                                
          long-term replacement parts
            19,800,000                                                                
          other
            22,400,000                                                      5,000,000        -100,000  
          other accrued liabilities
            66,900,000                                                                
          uncleared cash disbursements
            11,600,000                                                                
          accrued income taxes and other taxes payable
            14,300,000                                                                
          accrued annual contribution to salaried veba
                                                                            
          accrued interest
            10,300,000                                                                
          short-term environmental accrual – note 7
            800,000                                                                
          current operating lease liabilities
            5,700,000                                                                
          current finance lease liabilities
            2,200,000                                                                
          current deferred compensation plan liabilities - note 3
            6,400,000                                                                
          other – note 5
            15,600,000                                                                
          long-term liabilities
            84,200,000                                                                
          workers' compensation accrual
            27,300,000                                                                
          long-term environmental accrual – note 7
            17,700,000                                                                
          other long-term liabilities
            39,200,000                                                                
          lifo valuation inventory expense
             -5,300,000                                                               
          non-cash asset impairment charges2
                                                                            
          gain on reimbursement on certain machinery and equipment – note 13
                                                                            
          proceeds from reimbursement on certain machinery and equipment – note 13
                                                                            
          amortization of cloud computing implementation costs
              300,000 300,000 300,000                                                            
          non-cash asset impairment charge2
              -600,000 4,200,000                                                            
          non-cash postretirement defined benefit plan cost
              2,500,000 2,800,000 1,500,000                                                            
          non-cash lifo charge
                                                                            
          non-cash asset impairment charges
                                                                            
          loss on extinguishment of debt
                                                                         
          non-cash defined benefit net periodic postretirement benefit cost
                                                                            
          changes in operating assets and liabilities, net of effects of acquisition:
                                                                            
          cash payment for acquisition of warrick, net of cash received – note 4
                                                                           
          repayment of principal and redemption premium of 6.50% senior notes
                                                                          
          issuance of 4.50% senior notes
                                                                          
          non-cash asset impairment charge
                                    100,000                                    
          cancellation of shares to cover employees' tax withholdings upon vesting of non-vested shares
                   -400,000 -1,300,000 -900,000 -1,900,000 -100,000 -100,000 -2,400,000 -4,300,000 -1,200,000 -5,000,000 -6,900,000 -100,000 -4,400,000 -100,000 -100,000 -2,700,000                            
          cash flows from operating activities:
                                                                            
          loss on disposition of short-term investments
                                                                            
          purchase of short-term investments
                             -39,100,000                                            
          proceeds from disposition of short-term investments
                             39,300,000 78,800,000                                            
          proceeds from disposal of property, plant and equipment
                                                                          
          issuance of 6.50% senior notes
                                                                          
          repurchase of common stock
                             -12,500,000 -3,600,000 -12,000,000 -10,100,000 -18,500,000 -28,800,000 -13,000,000 -13,200,000 -5,700,000 -12,800,000 -2,300,000 -31,800,000 -32,600,000 -19,700,000 -5,100,000 -2,200,000 -6,300,000 -4,100,000 -3,700,000 -13,200,000 -28,200,000 -15,400,000 -5,000,000 -11,000,000 -12,700,000 -34,400,000 -4,000,000 -25,200,000 -14,700,000                
          net loss
                      2,500,000                                                      
          adjustments to reconcile net loss to net cash from operating activities:
                                                                            
          cash payment for acquisition of the warrick rolling mill, net of cash received
                                                                            
          cash payment for acquisition of the warrick rolling mill
                                                                            
          repayment of principal and redemption premium of 5.875% senior notes
                                                                            
          issuance of 4.625% senior notes
                                                                            
          gain on disposition of short-term investments
                             -200,000 -500,000                                            
          cash payment for acquisition of warrick
                                                                            
          cash payment for acquisition of warrick rolling mill
                            -617,500,000                                                
          other non-cash changes in assets and liabilities
                             -3,800,000 -1,100,000 1,300,000 1,800,000 -700,000 3,200,000 2,500,000 3,600,000 6,300,000 2,900,000 4,600,000 8,100,000 4,700,000 400,000 -1,200,000 100,000 200,000 600,000 300,000 200,000 100,000 300,000 100,000 200,000 200,000 100,000         300,000           
          annual variable cash contributions to vebas
                                 -2,100,000 -15,700,000 -20,000,000                              
          cash payment for acquisition of imperial machine & tool co., net of cash received
                                     100,000                                       
          net cash from (used in ) investing activities
                                                                            
          amortization of debt discount and debt issuance costs
                                300,000 300,000 300,000 300,000 300,000 200,000 300,000 200,000 300,000 300,000 300,000 300,000 300,000 300,000 300,000 200,000 300,000 100,000 600,000 400,000 3,200,000 3,000,000 3,000,000 2,900,000 2,900,000 2,800,000 2,800,000 2,700,000 2,700,000 2,600,000 2,600,000 2,300,000 2,300,000 3,000,000           
          gain on disposition of available for sale securities
                                  -200,000 -100,000 -300,000 -500,000 -900,000 -400,000 -1,100,000                                   
          purchase of available for sale securities
                                  -23,300,000 -14,900,000 -18,100,000 -23,300,000 -87,900,000   -51,500,000 -68,000,000 -53,300,000 -74,700,000 -54,200,000 -128,700,000     -40,100,000 -30,000,000   -26,000,000 -103,600,000 -12,600,000 -85,600,000 -5,000,000 -79,700,000   -100,000           
          proceeds from disposition of available for sale securities
                                  22,500,000 13,000,000 32,700,000 75,200,000 72,100,000 36,300,000 100,300,000 59,700,000 53,000,000 73,300,000 110,900,000 25,000,000 10,000,000 20,000,000 84,000,000 26,000,000 57,200,000 25,000,000 12,400,000                   
          (gain) loss on disposition of property, plant and equipment
                                         -100,000                                   
          lower of cost or market inventory write-down
                                                                            
          inventories, excluding lower of cost or market write-down
                                         4,300,000 -12,300,000 3,600,000 -1,900,000  -6,100,000 -6,900,000 4,100,000                            
          net cash from operating activities1
                                     37,700,000 28,500,000 57,900,000 26,100,000                                    
          repayment of principal and redemption premium of 8.25% senior notes
                                                                           
          proceeds from stock option exercises
                                             200,000                              
          repayment of capital lease
                                     -200,000 -200,000 -100,000 -200,000 -200,000 -100,000 100,000 -200,000       -100,000                      
          non-cash net periodic postretirement benefit cost relating to salaried veba
                                      1,600,000    1,200,000 1,100,000 1,100,000  800,000                              
          goodwill impairment
                                                                            
          non-cash unrealized gain on derivative instruments
                                          -10,800,000                                  
          net cash (used in) financing activities
                                        -22,800,000                                    
          excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest
                                                 -200,000 -100,000 -1,000,000 -100,000 -700,000 -100,000 -100,000 -100,000 -800,000 -1,300,000            
          non-cash compensation
                                                                            
          non-cash unrealized (gain) loss on derivative instruments
                                             -1,800,000 -2,000,000 -10,900,000 -4,000,000                            
          non-cash impairment charges
                                                     1,300,000                      
          non-cash defined benefit net periodic benefit cost
                                                                            
          non-cash loss on removal of union veba
                                                                            
          repayment of convertible notes
                                                                            
          proceeds from cash-settled call options related to settlement of convertible notes
                                                                            
          payment for conversion premium related to settlement of convertible notes
                                                                            
          gain on sale of available for sale securities
                                          -500,000 -600,000 -700,000               200,000 -500,000                
          non-cash intangible asset impairment charge
                                                                            
          non-cash unrealized gains on derivative instruments
                                            -15,100,000                                
          deferred income taxes1
                                                                            
          excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest2
                                                                            
          non-cash equity compensation2
                                                                            
          loss on extinguishment of debt3
                                                                            
          loss on disposition of available for sale securities
                                                                            
          non-cash defined benefit net periodic benefit cost (income)4
                                                                            
          non-cash loss on removal of union veba, net4
                                                                            
          inventories, excluding lower of cost or market write-down5
                                                                            
          prepaid expenses and other current assets5,6
                                                                            
          accrued liabilities4,6
                                                                            
          annual variable cash contributions to vebas4
                                                                            
          long-term assets and liabilities, net4,5,6
                                                                            
          cash flows from investing activities7:
                                                                            
          cash flows from financing activities7:
                                                                            
          repayment of principal and redemption premium of 8.25% senior notes3
                                                                            
          repayment of convertible notes3
                                                                            
          proceeds from cash-settled call options related to settlement of convertible notes3
                                                                            
          payment for conversion premium related to settlement of convertible notes3
                                                                            
          cash dividends paid to stockholders
                                             -8,000,000 -8,100,000 -8,100,000 -8,200,000                            
          net increase in cash and cash equivalents during the period
                                             -17,700,000 -122,400,000 124,600,000 -1,800,000 -10,100,000 28,300,000 -166,600,000 43,200,000 -34,600,000 38,100,000 -11,400,000 16,100,000 -55,100,000 -57,100,000 33,700,000 -25,400,000 17,800,000 -62,200,000 240,500,000 27,500,000 26,200,000  -2,700,000         
          cash and cash equivalents at beginning of period
                                             72,500,000 177,700,000 169,500,000 273,400,000 49,800,000  -37,500,000 49,500,000  55,400,000  
          cash and cash equivalents at end of period
                                             -17,700,000 -122,400,000 124,600,000 70,700,000 -10,100,000 28,300,000 -166,600,000 220,900,000 -34,600,000 38,100,000 -11,400,000 185,600,000 -55,100,000 -57,100,000 33,700,000 248,000,000 17,800,000 -62,200,000 240,500,000 77,300,000 26,200,000  -2,700,000 15,400,000 -1,200,000 38,500,000  -11,000,000 29,800,000 24,500,000  
          1.
                                                                            
          deferred income taxes – note 1
                                              9,400,000                              
          excess tax benefit upon vesting of non-vested shares and dividend payment on unvested shares expected to vest1
                                                                            
          non-cash equity compensation1
                                              3,100,000 3,100,000 2,600,000                            
          lower of cost or market write-down
                                              4,900,000                            
          non-cash impairment charge
                                                                            
          non-cash loss on removal of union veba net assets2
                                                                            
          accrued liabilities2
                                              10,500,000 -3,800,000 21,200,000                            
          annual variable cash contributions to vebas2
                                              -19,500,000                            
          long-term assets and liabilities, net2
                                              -900,000 -300,000 -14,600,000                            
          cash flows from investing activities3:
                                                                            
          cash flows from financing activities3:
                                                                            
          proceeds from cash-settled call options related to repayment of convertible notes
                                                                            
          payment for conversion premium related to repayment of convertible notes
                                                                            
          deferred income taxes – note 4
                                                15,100,000  12,800,000 12,900,000 -176,700,000                        
          non-cash defined benefit net periodic benefit cost relating to salaried veba
                                                800,000                            
          payment of capital lease liability
                                                                            
          1
                                                                            
          deferred income taxes – note 5
                                                                            
          amortization of option premiums (received) paid
                                                                 -300,000           
          loss on repurchase of senior notes1
                                                                            
          non-cash defined benefit net periodic benefit cost (income)2
                                                                            
          non-cash loss on removal of union veba, net2
                                                                            
          prepaid expenses and other current assets3
                                                                            
          accrued liabilities2,3
                                                                            
          payable to affiliate
                                                         -12,300,000 4,400,000 -6,100,000 -4,300,000 -4,100,000 8,000,000 -6,000,000           
          long-term assets and liabilities, net2,3
                                                                            
          cash flows from investing activities4:
                                                                            
          change in restricted cash
                                                         1,000,000   100,000 -400,000 7,200,000 100,000           
          cash flows from financing activities4:
                                                                            
          repurchase of senior notes1
                                                                            
          settlement of convertible notes1
                                                                            
          proceeds from cash-settled call options related to settlement of convertible notes1
                                                                            
          payment for conversion premium related to settlement of convertible notes1
                                                                            
          cash paid for financing costs
                                                             -200,000              
          cash dividend returned to the company
                                                                           
          non-cash unrealized losses (gains) on derivative instruments
                                                  1,700,000 1,500,000 4,500,000                        
          losses on disposition of property, plant and equipment
                                                         100,000       100,000           
          non-cash net periodic postretirement benefit cost (income) relating to vebas1
                                                  600,000                          
          non-cash loss on removal of union veba net assets1
                                                  446,700,000                        
          accrued liabilities1
                                                  12,700,000 -12,100,000 19,100,000 -3,200,000 7,400,000                      
          annual variable cash contributions to vebas1
                                                  -13,700,000                        
          long-term assets and liabilities, net1
                                                  -1,700,000 -2,300,000 30,100,000 -5,300,000 -2,600,000                      
          cash flows from investing activities:
                                                                            
          cash flows from financing activities:
                                                                            
          repurchase of senior notes2
                                                                            
          settlement of convertible notes2
                                                                            
          proceeds from cash-settled call options related to settlement of convertible notes2
                                                                            
          payment for conversion premium related to settlement of convertible notes2
                                                                            
          cancellation of shares to cover employees’ tax withholdings upon vesting of non-vested shares
                                                  -500,000 -2,500,000  -200,000 -2,200,000  -200,000 -2,200,000                
          cash dividend paid to stockholders
                                                  -7,000,000 -6,900,000 -7,100,000 -6,300,000 -6,300,000 -6,400,000 -6,400,000 -5,700,000 -5,700,000 -5,700,000 -5,900,000 -4,900,000 -4,900,000 -4,900,000 -4,900,000 -4,800,000           
          repayment of convertible notes2
                                                                            
          proceeds from cash-settled call options related to repayment of convertible notes2
                                                                            
          payment for conversion premium related to repayment of convertible notes2
                                                                            
          non-cash net periodic postretirement benefit charges (income) relating to vebas1
                                                    600,000                        
          losses (gains) on disposition of property, plant and equipment
                                                                            
          losses (gains) on disposition of available for sale securities
                                                                            
          non-cash defined benefit net periodic benefit income
                                                                            
          prepaid expenses and other current assets1
                                                     300,000 1,200,000                      
          proceeds from issuance of senior notes
                                                                          
          repayment of promissory notes
                                                               -300,000           
          non-cash unrealized (gains) losses on derivative positions
                                                      1,300,000 -2,000,000 -2,900,000      -12,200,000              
          non-cash net periodic pension benefit income relating to vebas
                                                      -6,000,000 -6,100,000 -5,600,000  -5,600,000 -5,700,000 -5,600,000                
          annual variable cash contribution to vebas
                                                        -16,000,000                    
          net cash from (used) in investing activities
                                                        9,600,000                    
          cash and cash equivalents.
                                                                            
          cash and money market funds
                                                        68,500,000  11,400,000 -4,800,000 82,900,000                
          commercial paper
                                                        117,100,000  -68,500,000 38,500,000 165,100,000                
          total
                                                        185,600,000  -57,100,000 33,700,000 248,000,000                
          net non-cash lifo benefits
                                                                            
          non-cash unrealized (gains) losses on derivative instruments
                                                                            
          changes in operating assets and liabilities, net of effect of acquisition:
                                                                            
          cash payment for acquisition of manufacturing facility and related assets
                                                                           
          repurchase of common stock to cover employees' tax withholdings upon vesting of non-vested shares
                                                             -100,000 -2,100,000 -2,000,000           
          net non-cash lifo benefit
                                                          -6,800,000 -9,200,000 -3,700,000                
          non-cash unrealized losses (gains) on derivative positions
                                                          -3,100,000 5,100,000 300,000                
          amortization of option premiums paid
                                                              100,000 100,000 100,000            
          other non-cash (benefit) charges
                                                          -2,100,000 -100,000 -2,400,000                
          proceeds from sale of available for sale securities
                                                           50,500,000 85,200,000                
          net non-cash lifo (benefit) charges
                                                                            
          amortization of option premiums paid (received)
                                                                            
          (gain) losses on disposition of property, plant and equipment
                                                                            
          non-cash net periodic benefit (income) costs
                                                                            
          receivable from affiliate
                                                                            
          proceeds from issuance of convertible notes
                                                                            
          purchase of call option in connection with issuance of cash convertible senior notes
                                                                            
          proceeds from issuance of warrants
                                                                            
          range
                                                                            
          land improvements
                                                                            
          machinery and equipment
                                                                            
          capital lease assets
                                                                            
          net non-cash lifo (benefit) charge
                                                              -5,700,000 -4,900,000 -2,900,000            
          non-cash net periodic pension benefit income
                                                                            
          other non-cash charges
                                                              400,000 -100,000 800,000            
          non-cash net periodic benefit income
                                                               -3,000,000 -3,000,000            
          trade receivables.
                                                                            
          unbilled trade receivables – note 1
                                                               1,900,000 2,200,000            
          trade receivables, gross
                                                               1,200,000 131,000,000            
          non-cash unrealized gains on derivative positions
                                                                -3,600,000            
          excess tax (benefit) deficiency upon vesting of non-vested shares and dividend payment on unvested shares expected to vest
                                                                            
          net non-cash lifo (benefit) charges and lower of cost or market inventory write-down
                                                                            
          equity in income of unconsolidated affiliate, net of distributions
                                                                            
          proceeds from issuance of cash convertible senior notes
                                                                            
          cash paid for financing costs in connection with issuance of cash convertible senior notes
                                                                            
          cash paid for financing costs in connection with the revolving credit facility
                                                                           
          excess tax benefit (deficiency) upon vesting of non-vested shares and dividend payment on unvested shares expected to vest
                                                                            
          net non-cash lifo charges
                                                                            
          non-cash unrealized losses on derivative positions
                                                                            
          non-cash changes in net periodic benefit (income) costs relating to the vebas1
                                                                            
          net proceeds from disposal of manufacturing facility and related assets
                                                                            
          less net income from discontinued operations
                                                                     -3,000,000 7,300,000 -23,200,000 8,000,000 368,300,000 10,600,000  
          income from continuing operations
                                                                            
          adjustments to reconcile income from continuing operations to net cash used by continuing operations:
                                                                            
          recognition of pre-emergence tax benefits in accordance with fresh start accounting
                                                                            
          depreciation and amortization
                                                                   2,800,000 -7,800,000      6,600,000  
          gain on discharge of pre-petition obligations and fresh start adjustments
                                                                            
          payments pursuant to plan of reorganization
                                                                            
          net non-cash (benefit) charges in other operating (benefits) charges, net, lifo charges (benefits) and lower of cost or market inventory write-down
                                                                            
          (gains)/losses on sale and disposition of property, plant and equipment
                                                                            
          equity in loss (income) of unconsolidated affiliates, net of distributions
                                                                            
          increase in trade and other receivables
                                                                            
          increase in receivable from affiliates
                                                                            
          increase in inventories, excluding lifo adjustments, lower of cost or market inventory write-down and other non-cash operating items
                                                                            
          increase in prepaid expenses and other current assets
                                                                          -2,500,000  
          increase in accounts payable
                                                                            
          increase in other accrued liabilities
                                                                   -4,700,000 -9,400,000      4,800,000  
          increase in payable to affiliates
                                                                            
          increase in accrued income taxes
                                                                            
          net cash impact of changes in long-term assets and liabilities
                                                                   2,300,000 1,100,000      -1,000,000  
          net cash from discontinued operations
                                                                            
          net cash provided (used) by operating activities
                                                                   15,900,000         
          capital expenditures, net of accounts payable of 1.2, 3.1, 5.8, and 1.6, respectively
                                                                            
          net proceeds from dispositions of property, plant and equipment:
                                                                            
          increase in restricted cash
                                                                       200,000 1,700,000 11,600,000 -15,000,000  
          net cash used by investing activities
                                                                            
          borrowings under term loan facility
                                                                           
          financing costs
                                                                   -200,000         
          borrowings under note payable
                                                                            
          repayment of term loan
                                                                            
          cash dividend paid to shareholders
                                                                            
          retirement of common stock
                                                                            
          decrease (increase) in restricted cash
                                                                            
          net cash (used) provided by financing activities
                                                                            
          interest income
                                                                            
          all other
                                                                            
          total cash provided by:
                                                                            
          operating activities:
                                                                            
          fabricated products
                                                                  15,100,000          
          primary aluminum
                                                                  9,300,000          
          corporate and other
                                                                  -26,900,000          
          investing activities:
                                                                            
          financing activities:
                                                                            
          heat treat expansion project
                                                                  4,300,000          
          rod, bar and tube value stream investment
                                                                  4,400,000          
          capital expenditures in accounts payable
                                                                  1,300,000          
          total capital expenditures, net of change in accounts payable
                                                                  15,000,000          
          net income from continuing operations, including income from cumulative effect of adopting change in accounting in 2005
                                                                            
          adjustments to reconcile net income from continuing operations to net cash used by continuing operations:
                                                                            
          non-cash charges in reorganization items in 2005
                                                                            
          net non-cash
                                                                            
          income from cumulative effect on years prior to 2005 of adopting accounting for conditional asset retirement obligations
                                                                            
          equity in (income) loss of unconsolidated affiliates, net of distributions
                                                                            
          decrease (increase) in trade and other receivables
                                                                   10,200,000       2,800,000  
          increase in inventories, excluding lifo adjustments and other non-cash operating items
                                                                            
          decrease (increase) in prepaid expenses and other current assets
                                                                            
          benefit plan adjustments not recognized in earnings
                                                                            
          net cash (used) provided by operating activities
                                                                            
          capital expenditures, net of accounts payable of 3.1, 5.8, 1.6 and 0, respectively
                                                                            
          net proceeds from dispositions: real estate in 2006 and 2005
                                                                            
          decrease in restricted cash
                                                                            
          net cash from discontinued operations; primarily proceeds from sale of commodity interests in 2005
                                                                            
          net cash (used) provided by investing activities
                                                                   -18,400,000 15,500,000      -3,800,000  
          repayment of debt
                                                                       -100,000    
          net cash used by discontinued operations: primarily increase in restricted cash in 2005
                                                                            
          less income from discontinued operations
                                                                            
          adjustments to reconcile income from continuing operations to net cash provided (used) by continuing operations:
                                                                            
          net non-cash (benefits) charges in other operating charges and lifo charges
                                                                            
          gain on sale of real estate
                                                                            
          equity in income of unconsolidated affiliate, net of distributions in 2006
                                                                            
          changes in assets and liabilities:
                                                                            
          increase in inventories, excluding lifo adjustments
                                                                            
          increase in accounts payable and accrued interest
                                                                   6,400,000 2,700,000      -7,000,000  
          increase in payable to affiliate
                                                                    -31,800,000      -2,100,000  
          capital expenditures, net of accounts payable of 1.0 and 1.6, respectively
                                                                            
          net proceeds from sale of real estate
                                                                     1,000,000      
          supplemental disclosure of cash flow information:
                                                                            
          interest paid, net of capitalized interest of 1.7 and 1.0, respectively
                                                                            
          income taxes paid
                                                                   300,000 -800,000 800,000 400,000 2,800,000 6,700,000 2,300,000 10,500,000 2,200,000 
          supplemental disclosure of non-cash transactions:
                                                                            
          removal of transfer restrictions on common stock owned by union veba
                                                                            
          net non-cash benefit in other operating benefits (charges)
                                                                            
          decrease (increase) in inventories
                                                                            
          increase in accrued and deferred income taxes
                                                                   2,600,000 6,800,000      -500,000  
          capital expenditures, net of accounts payable of 4.4 and 5.2, respectively
                                                                            
          interest paid, net of capitalized interest of .8 and .4, respectively
                                                                            
          non-cash charges in reorganization items in 2005 and other operating charges in 2004
                                                                            
          gains on sale of real estate
                                                                            
          capital expenditures, net of accounts payable of 5.8 in period from july 1, 2006 through december 31, 2006 and 1.6 for period from january 1,2006 to july 1, 2006
                                                                            
          net proceeds from dispositions: real estate in 2006 and 2005, real estate and equipment in 2004
                                                                            
          net cash from discontinued operations; primarily proceeds from sale of commodity interests in 2005 and 2004
                                                                            
          net cash used by discontinued operations: primarily increase in restricted cash in 2005 and increase in restricted cash and payment of alpart carifa loan of 14.6 in 2004
                                                                            
          net cash provided (used) by financing activities
                                                                   -200,000 48,100,000        
          interest paid, net of capitalized interest of 1.6,1.0, .6, and .1
                                                                            
          less interest paid by discontinued operations
                                                                            
          less income taxes paid by discontinued operations
                                                                       -2,000,000 -6,500,000 -1,700,000 -8,700,000 -6,200,000 
          net income from continuing operations
                                                                    -17,300,000 500,000 31,100,000  3,900,000 -6,600,000 -2,300,000  
          adjustments to reconcile net income from continuing operations to net cash provided (used) by operating activities:
                                                                            
          equity in (income) loss of unconsolidated affiliate, net of distributions
                                                                    8,000,000        
          increase in inventories
                                                                    -1,500,000      -600,000  
          capital expenditures, net of accounts payable of 1.6 in both the period from july 1, 2006 to september 30, 2006 and the period from january 1, 2006 to july 1, 2006
                                                                            
          net cash from discontinued operations; primarily proceeds from sale of qal in 2005
                                                                            
          borrowings under revolving credit facility
                                                                            
          net cash used by discontinued operations; primarily increase in restricted cash
                                                                            
          interest paid, net of capitalized interest of .6, 1.0 and .2
                                                                            
          adjustments to reconcile net income from continuing operations to net cash from operating activities:
                                                                            
          capital expenditures, net of accounts payable of 1.6 in 2006
                                                                            
          financing costs, primarily dip facility related
                                                                          -3,300,000  
          net decrease in cash and cash equivalents during the period
                                                                     -1,200,000 -11,000,000  -11,000,000 29,800,000 -30,900,000  
          interest paid, net of capitalized interest of 1.0 and .2
                                                                            
          interest paid, net of capitalized interest of .4 and .1
                                                                            
          adjustments to reconcile net income from continuing operations to net cash used by continuing operations
                                                                            
          non-cash charges in reorganization items in 2005 and other operating charges in 2004 and 2003
                                                                            
          gains — sale of real estate in 2005; sale of tacoma facility in 2003
                                                                            
          net cash provided (used) by discontinued operations
                                                                            
          net proceeds from dispositions: real estate in 2005, real estate and equipment in 2004, primarily tacoma facility and interests in office building complex in 2003
                                                                            
          net cash provided (used) by discontinued operations; primarily proceeds from sale of commodity interests in 2005 and 2004 and alpart-related capital expenditures in 2003
                                                                            
          net cash used by financing activities
                                                                          -18,800,000  
          net increase in cash and cash equivalents during the year
                                                                            
          cash and cash equivalents at beginning of year
                                                                            
          cash and cash equivalents at end of year
                                                                            
          interest paid, net of capitalized interest of .6, .1, and .2
                                                                            
          less interest paid by discontinued operations, net of capitalized interest of .9 in 2003
                                                                            
          interest paid, net of capitalized interest of .3 and .1
                                                                            
          interest paid, net of capitalized interest of .2 and .1
                                                                            
          equity in loss (income) of unconsolidated affiliate, net of distributions
                                                                          1,000,000  
          net cash used by discontinued operations
                                                                          -7,400,000  
          net cash used by operating activities
                                                                          -8,300,000  
          interest paid, net of capitalized interest of .1 and .1
                                                                          400,000  
          net cash from restricted proceeds from sale of commodity interests and payment of alpart carifa loan of 14.6
                                                                            
          interest paid, net of capitalized interest of .1, .2 and .1
                                                                            
          adjustments to reconcile net income from continuing operations to net cash (used) provided by continuing operations:
                                                                            
          net cash provided (used) by discontinued operations: primarily proceeds from the sale of commodity interests in 2004 and alpart-related capital expenditures in 2003
                                                                            
          financing costs, primarily dip facility — related
                                                                            
          net cash used by discontinued operations: primarily increase in restricted cash
                                                                            
          interest paid, net of capitalized interest of .1 and 1.0, respectively