7Baggers

Clearwater Paper Corporation
(NYSE:CLW) 

CLW stock logo

Clearwater Paper Corporation produces and sells private label tissue and bleached paperboard products in the United States and internationally. The company operates through two segments, Consumer Products, and Pulp and Paperboard. The Consumer Products segment manufactures and sells a line of at-hom...

Founded: 2008
Full Time Employees: 3,290
Sector: Basic Materials
Industry: Paper & Paper Products

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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 
                                                                          
      net sales
    360,300,000 386,400,000 399,000,000 391,800,000 378,200,000 387,100,000 393,300,000 586,400,000 496,200,000 512,900,000 519,900,000 524,600,000 525,400,000 526,800,000 538,800,000 526,400,000 488,200,000 489,800,000 450,500,000 406,400,000 425,900,000 452,800,000 457,400,000 480,500,000 477,900,000 435,540,000 445,188,000 451,993,000 428,779,000 428,707,000 426,460,000 432,099,000 436,952,000 436,716,000 426,504,000 429,663,000 437,525,000 425,568,000 435,320,000 436,671,000 437,204,000 431,595,000 442,222,000 444,558,000 434,026,000 472,318,000 511,142,000 498,759,000 484,920,000 470,159,000 487,845,000 471,002,000 460,824,000 462,701,000 480,233,000 473,572,000 457,798,000 466,391,000 501,125,000 494,627,000 465,830,000 345,557,000 352,927,000 343,860,000 330,621,000 314,980,000 331,484,000 316,905,000 286,700,000  
      yoy
    -4.73% -0.18% 1.45% -33.19% -23.78% -24.53% -24.35% 11.78% -5.56% -2.64% -3.51% -0.34% 7.62% 7.55% 19.60% 29.53% 14.63% 8.17% -1.51% -15.42% -10.88% 3.96% 2.74% 6.31% 11.46% 1.59% 4.39% 4.60% -1.87% -1.83% -0.01% 0.57% -0.13% 2.62% -2.03% -1.60% 0.07% -1.40% -1.56% -1.77% 0.73% -8.62% -13.48% -10.87% -10.50% 0.46% 4.78% 5.89% 5.23% 1.61% 1.59% -0.54% 0.66% -0.79% -4.17% -4.26% -1.72% 34.97% 41.99% 43.85% 40.90% 9.71% 6.47% 8.51% 15.32%      
      qoq
    -6.75% -3.16% 1.84% 3.60% -2.30% -1.58% -32.93% 18.18% -3.26% -1.35% -0.90% -0.15% -0.27% -2.23% 2.36% 7.82% -0.33% 8.72% 10.85% -4.58% -5.94% -1.01% -4.81% 0.54% 9.73% -2.17% -1.51% 5.41% 0.02% 0.53% -1.31% -1.11% 0.05% 2.39% -0.74% -1.80% 2.81% -2.24% -0.31% -0.12% 1.30% -2.40% -0.53% 2.43% -8.11% -7.60% 2.48% 2.85% 3.14% -3.63% 3.58% 2.21% -0.41% -3.65% 1.41% 3.45% -1.84% -6.93% 1.31% 6.18% 34.81% -2.09% 2.64% 4.00% 4.97% -4.98% 4.60% 10.54%   
      costs and expenses:
                                                                          
      cost of sales
    361,200,000 369,200,000 380,300,000 348,800,000 341,500,000 372,400,000 363,200,000 550,800,000 421,600,000 437,400,000 427,400,000 438,700,000 448,500,000 491,400,000 454,800,000 455,200,000 422,000,000 429,100,000 398,200,000 392,200,000 370,600,000 376,100,000 378,600,000 396,700,000 423,000,000 2,809,775,000 -418,704,000 -409,825,000 -384,246,000 -382,204,000 -376,221,000 -387,154,000 -392,433,000 -375,277,000 -386,581,000 -380,733,000 -387,030,000 -368,524,000 -396,605,000 -361,851,000 -368,647,000 -364,778,000 -373,892,000 -384,347,000 -389,832,000 -413,643,000 -434,457,000 -434,111,000 -426,629,000 -401,404,000 -441,237,000 -414,521,000 -414,209,000 -396,428,000 -409,822,000 -398,546,000 -403,076,000 -405,325,000 -448,927,000 -433,358,000 -414,920,000 -2,065,725,000 303,542,000 286,415,000 301,964,000 256,999,000 282,485,000 267,022,000 245,645,000  
      selling, general and administrative expenses
    20,600,000 21,100,000 24,700,000 26,100,000 28,900,000 26,700,000 31,600,000 38,000,000 36,200,000 36,800,000 36,400,000 39,100,000 36,000,000 33,400,000 32,900,000 33,900,000 32,800,000 30,400,000 28,300,000 26,300,000 27,800,000 32,600,000 29,300,000 32,600,000 27,500,000 198,742,000 -28,944,000 -26,827,000 -30,171,000 -27,161,000 -26,283,000 -26,564,000 -32,980,000 -34,785,000 -34,472,000 -29,265,000 -29,937,000 -34,689,000 -29,435,000 -34,655,000 -30,795,000 -31,770,000 -28,284,000 -28,138,000 -28,957,000 -33,206,000 -31,817,000 -31,565,000 -33,514,000 -30,466,000 -27,766,000 -26,767,000 -34,132,000 -30,793,000 -30,649,000 -30,529,000 -29,074,000 -28,343,000 -26,815,000 -27,476,000 -27,364,000 -159,518,000 20,886,000 20,145,000 18,093,000 18,470,000 18,627,000 18,198,000 15,830,000  
      other operating charges
    -11,100,000 -11,500,000 1,500,000 7,100,000 11,800,000 3,700,000 -300,000  7,900,000 2,900,000 1,800,000  1,100,000 1,200,000 2,200,000 5,700,000 500,000 2,600,000 10,200,000 44,500,000 400,000 2,100,000 300,000 3,000,000 8,600,000                                              
      total operating costs and expenses
    370,700,000 378,800,000 454,400,000 382,100,000 382,200,000 402,700,000 394,500,000 605,900,000 465,800,000 477,200,000 465,500,000 477,300,000 485,600,000 526,200,000 489,900,000 494,900,000 455,300,000 462,100,000 436,700,000 463,000,000 398,800,000 410,800,000 408,200,000 432,400,000 459,100,000 3,014,817,000 -447,648,000 -436,652,000 -414,417,000 -603,436,000 -379,560,000 -413,718,000 -425,413,000 -410,062,000 -421,053,000 -409,998,000 -416,967,000 -401,458,000 -426,040,000 -396,506,000 -399,442,000 -395,281,000 -402,176,000 -412,485,000 -418,789,000 -490,086,000 -467,164,000 -465,676,000 -464,402,000 -431,870,000 -469,003,000 -441,288,000 -448,341,000 -427,221,000 -440,471,000 -429,075,000 -432,150,000 -433,668,000 -475,742,000 -460,834,000 -442,284,000          
      loss from continuing operations
    -10,400,000 -12,400,000 -55,400,000  -4,000,000                                                                  
      interest expense
    -5,000,000 -4,800,000 -4,700,000 -3,900,000 -3,300,000 -5,200,000 -13,100,000 -16,000,000 -6,500,000 -8,000,000 -6,900,000 -7,500,000 -7,600,000 -7,300,000 -8,000,000 -10,700,000 -8,600,000 -8,900,000 -8,900,000 -9,300,000 -9,300,000 -9,500,000 -12,200,000 -12,000,000 -12,800,000 -12,423,000 -13,077,000 -10,914,000 -8,486,000 -7,330,000 -7,547,000 -7,723,000 -8,020,000 -7,975,000 -7,683,000 -7,673,000 -8,043,000 -7,741,000 -7,520,000 -7,396,000 -7,643,000 -7,744,000 -7,882,000 -7,774,000 -7,782,000 -8,158,000 -9,570,000 -10,688,000 -10,734,000 -11,252,000 -10,708,000 -11,094,000 -10,982,000 -7,021,000 -7,900,000 -9,147,000 -9,728,000 -10,384,000 -12,100,000 -10,992,000 -11,333,000 -10,335,000 -3,819,000 -4,132,000 -4,285,000 -4,234,000 -4,277,000 -3,431,000 -3,563,000  
      other non-operating expense
    -1,100,000             -1,400,000 -1,400,000 -1,400,000 -1,400,000 -2,600,000 -2,800,000 -2,500,000 -2,500,000 -1,900,000 -1,900,000 -2,000,000 -1,900,000                                              
      total non-operating expense
    -6,100,000 -5,100,000 -5,000,000 -4,200,000 -3,600,000 -13,700,000 -12,800,000 -15,700,000 -6,200,000 -5,425,000 -6,800,000 -7,400,000 -7,500,000 -8,025,000 -9,400,000 -12,400,000 -10,300,000 -8,925,000 -12,200,000 -11,800,000 -11,800,000 -11,875,000 -17,900,000 -14,900,000 -14,700,000                                              
      loss from continuing operations before income taxes
    -16,500,000 -15,650,000 -60,400,000  -7,700,000                                                                  
      income tax benefit
    -3,700,000 -1,575,000 -6,500,000                       1,166,250 8,710,000  -725,000 -4,480,000 -3,675,000  360,000 62,245,000 3,095,000           -1,321,000 -3,735,000 -9,942,000 -3,558,000 55,825,000 5,183,000 -6,962,000 14,675,000                  
      loss from discontinued operations, net of tax
                                                                          
      net income
    -12,800,000 38,300,000 -53,300,000 2,700,000 -6,300,000 199,100,000 5,800,000 -25,800,000 17,200,000 17,600,000 36,600,000 29,700,000 23,800,000 -5,900,000 20,600,000 14,700,000 16,600,000 9,500,000 1,900,000 -51,600,000 12,100,000 22,600,000 21,400,000 22,800,000 10,300,000                                              
      yoy
    103.17% -80.76% -1018.97% -110.47% -136.63% 1031.25% -84.15% -186.87% -27.73% -398.31% 77.67% 102.04% 43.37% -162.11% 984.21% -128.49% 37.19% -57.96% -91.12% -326.32% 17.48%                                                  
      qoq
    -133.42% -171.86% -2074.07% -142.86% -103.16% 3332.76% -122.48% -250.00% -2.27% -51.91% 23.23% 24.79% -503.39% -128.64% 40.14% -11.45% 74.74% 400.00% -103.68% -526.45% -46.46% 5.61% -6.14% 121.36%                                               
      net income margin %
    -3.55% 9.91% -13.36% 0.69% -1.67% 51.43% 1.47% -4.40% 3.47% 3.43% 7.04% 5.66% 4.53% -1.12% 3.82% 2.79% 3.40% 1.94% 0.42% -12.70% 2.84% 4.99% 4.68% 4.75% 2.16% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%  
      net loss per common share
                                                                          
      loss per share from continuing operations
    -0.8 -0.868 -3.34                                                                    
      loss per share from discontinued operations
                                                                          
      net income per share
    -0.8 2.36 -3.3 0.17 -0.38 11.87 0.35                                                                
      average shares of common stock used to compute net loss per share
                                                                          
      basic and diluted
    16,080 4,053.25 16,142  16,375                                                                  
      goodwill impairment
      48,000,000                                                                    
      other non-operating income
     -300,000 -300,000 -300,000 -300,000 800,000 300,000 300,000 300,000 -200,000 100,000 100,000 100,000                                                          
      income from discontinued operations, net of tax
     -175,000 600,000 -900,000 -400,000 12,900,000 16,600,000                                                                
      net income per common share
                                                                          
      income per share from discontinued operations
     2.17 0.04                                                                    
      average shares of common stock used to compute net income per share
                                                                          
      basic and diluted
    16,080 4,053.25 16,142  16,375                                                                  
      income from continuing operations
       9,800,000  -15,600,000 -1,200,000                                                                
      income from continuing operations before income taxes
       5,500,000  -29,300,000 -14,000,000                                                                
      income tax provision
       1,900,000 -1,800,000 -9,700,000 -3,300,000 -9,400,000 7,000,000 6,800,000 11,000,000 10,200,000 8,400,000 -2,300,000 18,900,000 4,400,000 6,000,000 6,100,000 -300,000 -16,700,000 3,200,000 7,000,000 9,900,000 10,400,000 -6,200,000   -3,320,000    -2,510,000    -3,955,000 -5,000,000 -6,675,000 -859,000 -11,905,000 -11,673,000 -4,875,000 -9,100,000 -8,702,000 -1,698,000         -8,607,000 -12,798,000 -13,861,000 -12,194,000 -10,536,000 -5,928,000 -8,649,000 -6,133,000 -30,509,000 9,692,000 12,600,000 5,821,000 35,254,000 27,023,000 22,929,000 8,015,000  
      net income per common share:
                                                                          
      income per share from continuing operations - basic
       0.22  -1.14 -0.64                                                                
      income per share from discontinued operations - basic
       -0.06  13.01                                                                
      income per share from continuing operations - diluted
       0.22  -1.14 -0.64                                                                
      income per share from discontinued operations - diluted
       -0.06  13.01                                                                
      average shares of common stock used to compute net income per share
                                                                          
      basic
       16,220  152 16,620 16,661 16,607 16,862,983,200 16,682 16,865 16,834 16,984,983,223 16,754 16,849 16,728 16,766,983,311 16,687 16,685 16,647 16,568,983,419 16,595 16,594 16,555                                              
      diluted
       16,241  152 16,620 16,661 16,895 17,090,982,949 16,895 16,958 17,036 17,180,982,915 17,093 17,078 17,073 16,766,983,311 16,971 16,685 16,979 16,723,983,311 16,783 16,686 16,615                                              
      loss per share from continuing operations - basic and diluted
        -0.36                                                                  
      income per share from discontinued operations - basic and diluted
        -0.02                                                                  
      other operating (income) charges
           17,000,000    -400,000                                                           
      income from operations
           -19,500,000 30,400,000 35,600,000 54,400,000 47,300,000 39,800,000 600,000 48,900,000 31,500,000 32,900,000 27,600,000 13,800,000 -56,600,000 27,100,000 41,900,000 49,200,000 48,100,000 18,800,000 18,157,000 -2,460,000 15,341,000 14,362,000 -174,729,000 46,900,000 18,381,000 11,539,000 26,654,000 5,451,000 19,665,000 20,558,000 24,110,000 9,280,000 40,165,000 37,762,000 36,314,000 40,046,000 32,073,000 15,237,000 -17,768,000 43,978,000 33,083,000 20,518,000 38,289,000 18,842,000 29,714,000 12,483,000 35,480,000 39,762,000 44,497,000 25,648,000 32,723,000 25,383,000 33,793,000 23,546,000          
      yoy
           -141.23% -23.62% 5833.33% 11.25% 50.16% 20.97% -97.83% 254.35% -155.65% 21.40% -34.13% -71.95% -217.67% 44.15% 130.76% -2100.00% 213.54% 30.90% -110.39% -105.25% -16.54% 24.46% -755.55% 760.39% -6.53% -43.87% 10.55% -41.26% -51.04% -45.56% -33.61% -76.83% 25.23% 147.83% -304.38% -8.94% -3.05% -25.74% -146.40% 133.40% 11.34% 64.37% 7.92% -52.61% -33.22% -51.33% 8.43% 56.65% 31.68% 8.93%              
      qoq
           -164.14% -14.61% -34.56% 15.01% 18.84% 6533.33% -98.77% 55.24% -4.26% 19.20% 100.00% -124.38% -308.86% -35.32% -14.84% 2.29% 155.85% 3.54% -838.09% -116.04% 6.82% -108.22% -472.56% 155.15% 59.29% -56.71% 388.97% -72.28% -4.34% -14.73% 159.81% -76.90% 6.36% 3.99% -9.32% 24.86% 110.49% -185.76% -140.40% 32.93% 61.24% -46.41% 103.21% -36.59% 138.04% -64.82% -10.77% -10.64% 73.49% -21.62% 28.92% -24.89% 43.52%           
      operating margin %
    0% 0% 0% 0% 0% 0% 0% -3.33% 6.13% 6.94% 10.46% 9.02% 7.58% 0.11% 9.08% 5.98% 6.74% 5.63% 3.06% -13.93% 6.36% 9.25% 10.76% 10.01% 3.93% 4.17% -0.55% 3.39% 3.35% -40.76% 11.00% 4.25% 2.64% 6.10% 1.28% 4.58% 4.70% 5.67% 2.13% 9.20% 8.64% 8.41% 9.06% 7.21% 3.51% -3.76% 8.60% 6.63% 4.23% 8.14% 3.86% 6.31% 2.71% 7.67% 8.28% 9.40% 5.60% 7.02% 5.07% 6.83% 5.05% 0% 0% 0% 0% 0% 0% 0% 0%  
      income before income taxes
           -35,200,000 24,200,000 24,400,000 47,600,000 39,900,000 32,300,000 -8,100,000 39,500,000 19,100,000 22,600,000 15,700,000 1,700,000 -68,400,000 15,300,000 29,500,000 31,300,000 33,200,000 4,100,000                                              
      net income per common share:
                                                                          
      basic
           -1,550,000 1,030,000 1,020,000 2,200,000 1,760,000 1,420,000 -380,000 1,230,000 870,000 990,000 580,000 120,000 -3,100,000 730,000 1,360,000 1,290,000 1,370,000 620,000                                              
      diluted
           -1,550,000 1,020,000 1,010,000 2,170,000 1,750,000 1,400,000 -360,000 1,210,000 860,000 970,000 580,000 110,000 -3,100,000 710,000 1,340,000 1,280,000 1,360,000 620,000                                              
      average shares of common stock used to compute net income per share:
                                                                          
      basic
       16,220  152 16,620 16,661 16,607 16,862,983,200 16,682 16,865 16,834 16,984,983,223 16,754 16,849 16,728 16,766,983,311 16,687 16,685 16,647 16,568,983,419 16,595 16,594 16,555                                              
      diluted
       16,241  152 16,620 16,661 16,895 17,090,982,949 16,895 16,958 17,036 17,180,982,915 17,093 17,078 17,073 16,766,983,311 16,971 16,685 16,979 16,723,983,311 16,783 16,686 16,615                                              
      debt retirement costs
                   -300,000 -200,000 -500,000 -500,000   -1,100,000 -3,900,000 -1,000,000  25,000 -2,725,000                    -24,420,000      -17,058,000               -6,250,000   
      gain on divested assets
                                 1,008,000 22,944,000                                        
      non-operating pension and other postretirement benefit costs
                             -1,066,500 -1,421,000 -1,531,000 -1,314,000                                          
      earnings before income taxes
                             -3,056,250 -19,683,000 2,896,000 4,562,000 -183,292,000 38,119,000 9,471,000 2,240,000 18,679,000 -2,232,000 11,992,000 12,515,000 16,018,000 1,760,000 32,769,000 30,119,000 28,570,000 32,164,000 24,299,000 7,455,000 -25,926,000 9,988,000 22,395,000 9,784,000 27,037,000 8,134,000 18,620,000 -15,557,000 28,459,000 31,862,000 35,350,000 15,920,000 22,038,000 14,573,000 22,572,000 11,737,000 12,069,000 24,680,000 33,168,000 6,279,000 82,414,000 73,232,000 98,377,000 21,662,000  
      net earnings
                             -1,890,000 -10,973,000 -424,000 3,837,000 -187,772,000 34,444,000 6,961,000 2,600,000 80,924,000 863,000 8,037,000 7,515,000 9,343,000 901,000 20,864,000 18,446,000 11,565,000 23,064,000 15,597,000 5,757,000 -27,247,000 6,253,000 12,453,000 6,226,000 82,862,000 13,317,000 11,658,000 -882,000 19,852,000 19,064,000 21,489,000 3,726,000 11,502,000 8,645,000 13,923,000 5,604,000 37,786,000 14,988,000 20,568,000 458,000 47,160,000 46,209,000 75,448,000 13,647,000  
      net earnings per common share:
                                                                          
      basic
                             -115 -660 -30 230 -11,390 2,090 420 160 4,910 50 490 460 560 50 1,220 1,050 650 1,220 820 300 -1,340 320 610 300 3,760 600 520 -40 850 820 920 160 500 380 1,210 490 3,290 1,310 1,790 40 4,150 4,070 6,640 1,200  
      diluted
                             -115 -660 -30 230 -11,380 2,080 420 160 4,890 50 480 450 570 50 1,210 1,050 670 1,210 810 300 -1,320 310 610 290 3,730 600 520 -40 850 800 910 160 470 370 1,170 470 3,190 1,270 1,750 40 3,960 3,920 6,430 1,190  
      non-operating pension and other postretirement benefit (costs) income
                                 -925,000 -1,234,000 -1,187,000 -1,279,000                                      
      impairment of assets
                                                 -3,078,000 -890,000  -4,259,000                      
      other
                                                             -301,000 1,290,000 -229,000 -476,000          
      costs and expenses: - sum
                                                                 -2,225,243,000 324,428,000 306,560,000 320,057,000 275,469,000 301,112,000 285,220,000 261,475,000  
      alternative fuel mixture tax credit
                                                                          
      earnings before interest, debt retirement costs and income taxes
                                                                 22,404,000 28,499,000 37,300,000  86,648,000 77,509,000 108,058,000   
      alternative fuel mixture tax credits
                                                                     30,877,500 47,137,000 76,373,000   
      earnings before interest and income taxes
                                                                    10,564,000    25,225,000  
    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 
                                                                            
        assets
                                                                            
        current assets:
                                                                            
        cash and cash equivalents
      36,500,000 30,700,000 34,400,000 46,700,000 44,000,000 79,600,000 35,500,000 39,600,000 55,200,000 42,000,000 110,200,000 41,700,000 16,700,000 53,700,000 50,800,000 69,500,000 36,400,000 25,200,000 27,800,000 60,900,000 57,100,000 35,900,000 47,500,000 48,200,000 60,800,000 20,000,000 7,815,000 41,800,000 12,160,000 22,484,000 76,150,000 53,278,000 12,064,000 15,738,000 8,478,000 8,519,000 15,995,000 23,001,000 331,000 9,395,000 2,228,000                              
        accounts receivable
      197,900,000 195,300,000 161,700,000 165,900,000 177,400,000 188,700,000 172,700,000 255,800,000 173,100,000 184,500,000 173,000,000 196,600,000 186,300,000 188,800,000 180,400,000 187,300,000 172,300,000 167,400,000 159,400,000 144,000,000 134,900,000 160,600,000    159,100,000                                             
        inventories
      269,700,000 281,700,000 283,200,000 283,900,000 259,300,000 258,000,000 264,600,000 420,200,000 327,800,000 319,800,000 333,300,000 340,400,000 345,500,000 324,000,000 326,800,000 287,700,000 281,800,000 277,700,000 286,400,000 282,900,000 293,100,000 263,300,000 256,400,000 235,300,000 240,500,000 281,400,000 282,395,000 287,863,000 285,909,000 266,244,000 263,274,000 262,213,000 259,432,000 266,043,000 257,833,000 243,313,000 240,704,000 258,029,000 252,126,000 248,934,000 243,419,000 255,573,000 261,683,000 248,280,000 270,670,000 286,626,000 282,457,000 264,874,000 269,249,000 267,788,000 253,440,000 251,334,000 248,785,000 231,466,000 224,435,000 237,623,000 244,722,000 244,071,000 225,356,000 223,604,000 234,890,000 228,321,000 145,276,000 143,824,000 158,000,000 169,761,000 145,604,000 143,228,000 160,261,000 154,351,000 
        other current assets
      18,000,000 18,300,000 8,700,000 13,700,000 18,900,000 19,100,000 12,900,000 18,300,000 20,200,000 17,900,000 10,500,000 13,400,000 19,500,000 19,900,000 12,100,000 12,800,000 17,000,000 16,900,000 10,000,000 10,800,000 15,300,000 15,200,000 8,500,000 9,000,000 12,600,000 3,600,000 7,960,000 10,118,000 12,237,000 3,399,000 6,105,000 8,132,000 8,740,000 8,661,000 6,450,000 7,866,000 10,776,000 8,682,000 5,414,000 7,659,000 9,376,000                              
        total current assets
      522,100,000 526,000,000 487,900,000 510,100,000 499,600,000 545,400,000 731,900,000 733,900,000 576,200,000 564,100,000 627,000,000 592,100,000 567,900,000 586,300,000 570,200,000 557,200,000 507,500,000 487,200,000 483,600,000 498,600,000 500,400,000 474,900,000 492,000,000 484,400,000 520,900,000 465,800,000 464,260,000 519,136,000 486,820,000 443,947,000 492,527,000 451,133,000 436,677,000 452,789,000 423,285,000 395,982,000 413,558,000 446,495,000 399,889,000 412,063,000 392,847,000 426,937,000 468,320,000 491,813,000 479,333,000 526,577,000 508,144,000 560,872,000 575,581,000 575,401,000 578,334,000 546,456,000 547,277,000 468,466,000 501,931,000 495,139,000 527,418,000 545,331,000 569,091,000 595,987,000 605,804,000 589,459,000 631,511,000 603,755,000 595,522,000 572,291,000 495,164,000 388,180,000 291,786,000 289,579,000 
        property, plant and equipment
      2,384,900,000 2,377,900,000 2,379,500,000 2,369,800,000 2,356,600,000 2,328,400,000 2,294,200,000 1,605,100,000 983,100,000 990,100,000 993,800,000 1,000,200,000 1,004,600,000 1,017,100,000 2,968,600,000 2,961,800,000 2,963,200,000 1,081,800,000 1,109,600,000 1,124,500,000 1,173,200,000 1,191,500,000 1,200,900,000 1,219,700,000 1,235,500,000 1,257,700,000 1,273,474,000 1,293,694,000 1,292,002,000 1,269,271,000 1,206,168,000 1,171,368,000 1,077,643,000 1,050,982,000 1,014,835,000 991,061,000 959,511,000 945,328,000 914,945,000 881,975,000 873,112,000 866,538,000 836,758,000 823,672,000 812,770,000 810,987,000 878,423,000 873,284,000 875,955,000 884,698,000 872,762,000 868,365,000 871,745,000 877,377,000 840,981,000 801,818,000 768,339,000 735,566,000 707,064,000 696,836,000 670,098,000 654,456,000         
        accumulated depreciation and amortization
      -1,398,500,000 -1,376,100,000 -1,363,600,000 -1,342,700,000 -1,326,800,000 -1,305,400,000 -1,282,200,000                                                                
        other assets
      61,200,000 58,300,000 54,900,000 52,400,000 52,000,000 57,900,000 59,100,000 85,300,000 120,400,000 117,600,000 116,200,000 112,700,000 117,900,000 100,100,000 110,300,000 114,800,000 115,700,000 121,100,000 124,900,000 22,400,000 21,300,000 21,700,000 18,500,000 18,700,000 18,800,000 29,100,000 15,041,000 12,095,000 14,608,000 15,746,000 25,382,000 24,093,000 22,839,000 21,778,000 12,080,000 10,750,000 8,994,000 7,751,000 5,578,000 4,535,000 4,329,000  7,394,000 7,394,000 9,883,000 9,583,000 9,224,000 9,374,000 9,585,000 9,927,000 10,255,000 10,398,000 12,122,000 10,327,000 9,603,000 10,088,000 10,560,000 11,140,000 13,673,000 13,505,000 14,495,000 15,488,000 7,427,000 6,883,000 6,761,000 11,148,000 7,213,000 7,438,000 4,512,000 3,820,000 
        total assets
      1,569,800,000 1,588,300,000 1,561,400,000 1,640,700,000 1,633,900,000 1,679,200,000 2,488,700,000 2,478,400,000 1,679,700,000 1,671,800,000 1,737,000,000 1,705,000,000 1,690,500,000 1,703,500,000 1,703,600,000 1,712,700,000 1,683,100,000 1,690,100,000 1,718,100,000 1,750,900,000 1,803,900,000 1,800,400,000 1,826,900,000 1,841,500,000 1,896,800,000 1,877,700,000 1,881,077,000 1,955,847,000 1,928,278,000 1,788,118,000 1,980,095,000 1,919,397,000 1,811,912,000 1,802,252,000 1,729,011,000 1,678,589,000 1,664,933,000 1,684,342,000 1,547,814,000 1,526,732,000 1,499,214,000 1,527,369,000 1,551,533,000 1,562,537,000 1,541,121,000 1,585,928,000 1,678,569,000 1,720,555,000 1,736,189,000 1,744,825,000 1,733,351,000 1,698,908,000 1,706,631,000 1,633,456,000 1,626,902,000 1,583,063,000 1,583,967,000 1,571,318,000 1,570,692,000 1,588,861,000           
        liabilities and stockholders' equity
                                                                            
        current liabilities:
                                                                            
        current portion of long-term debt
      600,000 600,000 600,000 600,000 600,000 600,000 7,400,000 5,200,000 900,000 800,000 900,000 900,000 900,000 900,000 1,000,000 1,000,000 1,600,000 1,600,000 1,600,000 1,700,000 1,700,000 1,700,000                                      15,215,000 760,000 760,000         
        accounts payable and accrued liabilities
      199,800,000 215,600,000 231,700,000 258,500,000 299,500,000 319,700,000 301,700,000 418,100,000 300,600,000 285,100,000 260,000,000 262,600,000 264,600,000 311,100,000 294,100,000 299,300,000 254,500,000 252,500,000 255,200,000 254,100,000 233,500,000     262,500,000 229,563,000 301,294,000 295,574,000 321,032,000 341,075,000 357,588,000 249,337,000 256,621,000 263,148,000 224,177,000 202,577,000 223,699,000 223,803,000 208,292,000 192,820,000 220,368,000 244,953,000 214,701,000 206,465,000 215,826,000 223,236,000 220,393,000 205,438,000 190,648,000 204,081,000 158,390,000 168,566,000 165,596,000 171,195,000 151,997,000 173,806,000 144,631,000 185,547,000 183,226,000 197,694,000 184,604,000 122,939,000 111,699,000 121,366,000 109,775,000 110,470,000 104,951,000 99,990,000 116,471,000 
        total current liabilities
      200,400,000 216,200,000 232,400,000 259,100,000 300,200,000 320,400,000 412,100,000 423,300,000 301,400,000 286,000,000 260,900,000 263,500,000 265,500,000 312,000,000 295,100,000 300,300,000 256,100,000 254,100,000 256,900,000 255,900,000 235,300,000 244,800,000 239,600,000 247,500,000 290,400,000 280,400,000 294,993,000 543,724,000 515,220,000 449,295,000 448,706,000 525,219,000 425,468,000 419,252,000 380,969,000 339,998,000 340,398,000 366,520,000 244,374,000 215,851,000 206,384,000 227,927,000 252,868,000 222,616,000 214,380,000 223,741,000 279,061,000 229,171,000 214,216,000 199,426,000 213,218,000 167,527,000 177,703,000 174,733,000 181,056,000 161,858,000 183,667,000 154,492,000 195,296,000 208,190,000 208,203,000 195,113,000 132,872,000 121,632,000 131,299,000 119,708,000 119,556,000 114,037,000 249,076,000 275,557,000 
        long-term debt
      360,500,000 345,500,000 335,500,000 328,500,000 281,600,000 281,600,000 1,143,300,000 1,137,900,000 442,300,000 462,300,000 564,800,000 564,800,000 564,900,000 564,900,000 564,900,000 589,900,000 617,700,000 637,600,000 676,500,000 716,200,000 716,300,000 716,400,000 785,500,000 827,900,000 883,900,000 884,500,000 866,702,000 671,676,000 671,484,000 671,292,000 671,100,000 570,908,000 570,716,000 570,524,000 570,331,000 570,139,000 569,947,000 569,755,000 569,563,000 569,371,000 569,179,000  575,000,000 575,000,000 575,000,000 575,000,000 575,000,000 650,000,000 650,000,000 650,000,000 650,000,000 650,000,000 650,000,000 523,933,000 523,872,000 523,810,000 523,752,000 523,694,000 523,638,000 523,583,000 537,985,000 538,314,000 148,429,000 148,379,000 148,332,000 148,285,000 148,241,000 148,197,000   
        liability for pension and other postretirement employee benefits
      49,200,000 49,500,000 51,600,000 51,900,000 52,200,000 52,500,000 52,400,000 54,700,000 55,100,000 55,700,000 56,900,000 57,200,000 57,800,000 58,200,000 71,300,000 72,100,000 72,800,000 73,600,000 81,700,000 78,500,000 79,600,000 80,500,000 73,200,000 74,400,000 75,300,000 76,600,000 73,738,000                                            
        deferred tax liabilities
      64,600,000 68,200,000 80,900,000                   158,100,000 152,500,000 139,300,000 123,600,000 121,300,000 116,868,000 125,230,000 123,206,000 121,182,000 123,778,000 122,347,000 119,078,000 118,528,000 169,410,000 162,081,000 157,601,000 152,172,000 132,850,000 127,762,000 123,032,000 118,118,000 100,884,000 110,289,000 111,226,000 111,634,000 127,393,000 128,270,000 126,726,000 124,898,000 66,253,000 60,774,000 58,358,000 60,124,000 70,972,000 70,528,000 69,341,000 69,358,000 71,599,000 75,454,000 67,237,000          
        other long-term obligations
      81,300,000 83,700,000 78,200,000                   25,200,000 22,600,000 21,600,000 16,200,000 17,300,000 33,990,000 33,498,000 33,859,000 38,977,000 37,788,000 37,734,000 42,189,000 43,275,000 40,942,000 40,776,000 40,322,000 41,776,000 42,310,000 42,873,000 43,779,000 46,738,000 47,696,000 50,779,000 55,452,000 56,856,000 49,443,000 50,212,000 50,825,000 52,942,000 51,021,000 50,437,000 53,912,000 50,910,000 48,560,000 47,435,000 47,560,000 48,474,000 35,726,000 35,133,000 32,847,000 23,369,000 10,150,000 7,333,000 6,241,000 5,825,000 4,623,000 3,788,000 3,645,000 3,234,000 
        total liabilities
      756,000,000 763,000,000 778,500,000 804,000,000 797,300,000 824,700,000 1,824,100,000 1,819,800,000 995,200,000 1,003,000,000 1,088,400,000 1,090,500,000 1,098,500,000 1,131,500,000 1,134,400,000 1,168,000,000 1,153,200,000 1,178,300,000 1,226,500,000 1,262,900,000 1,267,800,000 1,279,300,000 1,330,800,000 1,370,700,000 1,452,100,000 1,445,700,000 1,455,932,000 1,521,482,000 1,496,034,000 1,361,722,000 1,351,970,000 1,328,828,000 1,231,192,000 1,226,818,000 1,242,649,000 1,195,003,000 1,191,342,000 1,214,469,000                                 
        stockholders' equity:
                                                                            
        preferred stock, par value 0.0001...
                                                                            
        common stock, par value 0.0001...
                                2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000     1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000   1,000 
        additional paid-in capital
      6,000,000 8,300,000 8,200,000 6,500,000 5,000,000 11,500,000 13,700,000 13,500,000 13,500,000 14,900,000 15,100,000 17,700,000 24,700,000 28,500,000 25,700,000 23,000,000 24,100,000 23,600,000 21,700,000 19,300,000 17,600,000 16,600,000 13,900,000 11,800,000 10,400,000 9,800,000 8,853,000 8,386,000 7,175,000 6,403,000 5,714,000 3,980,000 2,428,000 1,161,000  349,589,000 347,757,000 347,080,000 345,164,000 343,155,000 341,493,000 340,095,000 341,130,000 336,431,000 333,009,000 334,074,000 333,871,000 329,884,000 327,417,000 326,546,000 327,793,000 318,791,000 316,854,000 326,901,000 318,168,000 312,519,000 306,827,000 315,965,000 313,807,000 312,122,000 310,468,000 310,821,000 311,178,000 309,876,000 308,559,000 308,618,000 308,697,000   307,522,000 
        treasury stock
      -11,800,000 -14,800,000 -14,800,000 -12,700,000 -8,500,000 -3,300,000                              -400,192,000 -400,192,000 -395,317,000 -381,518,000 -365,158,000 -357,649,000 -329,990,000 -323,832,000 -267,148,000 -267,148,000 -230,000,000 -230,000,000 -204,322,000 -159,332,000 -130,000,000 -105,783,000 -80,819,000 -71,001,000 -30,000,000 -20,705,000 -18,819,000 -11,350,000 -11,350,000 -10,003,000            
        retained earnings
      849,400,000 862,300,000 823,900,000 877,300,000 874,500,000 880,800,000 681,700,000 675,800,000 701,700,000 684,500,000 666,900,000 630,300,000 600,600,000 576,800,000 582,700,000 562,000,000 547,300,000 530,700,000 521,200,000 519,200,000 570,900,000 558,800,000 536,300,000 514,800,000 492,100,000 481,700,000 479,779,000 490,752,000 491,176,000 487,339,000 675,111,000 640,667,000 633,706,000 618,254,000 537,329,000 585,413,000 577,376,000 569,861,000 560,518,000 559,617,000 538,753,000 520,307,000 508,742,000 485,678,000 470,081,000 464,324,000 491,571,000 485,318,000 472,865,000 466,639,000 383,777,000 370,460,000 358,802,000 359,684,000 339,832,000 320,768,000 299,279,000 295,553,000 284,051,000 275,406,000 261,483,000 255,879,000 218,093,000 203,104,000 182,537,000 182,079,000 134,919,000    
        accumulated other comprehensive loss, net of tax
      -29,900,000 -30,500,000 -34,300,000 -34,400,000 -34,500,000 -34,500,000 -30,800,000 -30,700,000 -30,700,000 -30,700,000 -33,500,000 -33,400,000 -33,400,000 -33,300,000 -39,100,000 -40,300,000 -41,400,000 -42,600,000 -51,300,000 -50,500,000 -52,400,000 -54,300,000 -54,000,000 -55,800,000 -57,700,000 -59,500,000 -63,489,000 -64,775,000 -66,109,000 -67,348,000 -52,702,000 -54,080,000 -55,416,000 -43,983,000 -50,969,000 -51,226,000 -51,352,000 -51,753,000 -52,963,000 -54,722,000 -54,893,000 -55,548,000 -66,061,000 -67,662,000 -69,306,000 -70,863,000 -54,488,000 -55,689,000 -56,609,000 -58,093,000 -108,504,000 -110,781,000 -113,232,000 -115,693,000 -110,702,000 -112,223,000 -113,463,000 -115,265,000 -97,343,000 -94,806,000 -95,763,000 -98,352,000 -117,242,000 -118,792,000 -120,038,000      
        total stockholders' equity
      813,800,000  783,000,000 836,700,000 836,600,000  664,600,000 658,600,000 684,500,000  648,500,000 614,500,000 592,000,000  569,200,000 544,700,000 530,000,000  491,600,000 488,100,000 536,100,000  496,200,000 470,800,000 444,800,000  425,145,000 434,365,000 432,244,000  628,125,000 590,569,000 580,720,000  486,362,000 483,586,000 473,591,000                                  
        total liabilities and stockholders' equity
      1,569,800,000 1,588,300,000 1,561,400,000 1,640,700,000 1,633,900,000 1,679,200,000 2,488,700,000 2,478,400,000 1,679,700,000 1,671,800,000 1,737,000,000 1,705,000,000 1,690,500,000 1,703,500,000 1,703,600,000 1,712,700,000 1,683,100,000 1,690,100,000                                                     
        goodwill and intangible assets
       2,100,000 2,700,000 51,200,000 52,400,000 52,900,000 52,200,000 54,100,000            47,300,000 48,000,000 48,800,000 49,600,000 50,400,000 51,200,000 52,000,000                                             
        stockholders’ equity:
                                                                            
        total stockholders’ equity
       825,300,000    854,600,000    668,800,000    572,100,000    511,700,000    521,100,000    432,000,000    426,396,000    575,434,000    469,873,000 471,203,000 482,894,000 467,706,000 474,866,000 459,981,000 487,301,000 466,638,000 497,537,000 540,956,000 555,193,000 584,343,000 605,094,000 497,285,000 497,653,000 491,425,000 540,894,000 526,595,000 502,246,000 481,294,000 484,904,000 490,513,000 492,723,000 476,189,000 468,349,000 412,030,000 394,189,000 371,059,000 363,736,000 321,918,000   180,989,000 
        deferred tax liabilities and other long-term obligations
         164,600,000 163,400,000 170,200,000 85,800,000 204,000,000 196,300,000 199,100,000 205,900,000 205,000,000 210,400,000 196,400,000 203,100,000 205,700,000 206,500,000 213,100,000 211,300,000 212,300,000 185,600,000                                                  
        current assets of discontinued operations
            246,100,000                                                                
        long-term assets of discontinued operations
            633,600,000                                                                
        current liabilities of discontinued operations
            103,000,000                                                                
        long-term liabilities of discontinued operations
            130,500,000                                                                
        accumulated depreciation
                    -1,945,400,000 -1,921,000,000 -1,903,300,000                                                      
        liabilities and stockholders’ equity
                                                                            
        total liabilities and stockholders’ equity
                        1,718,100,000 1,750,900,000 1,803,900,000 1,800,400,000 1,826,900,000 1,841,500,000 1,896,800,000 1,877,700,000 1,881,077,000 1,955,847,000 1,928,278,000 1,788,118,000 1,980,095,000 1,919,397,000 1,811,912,000 1,802,252,000 1,729,011,000 1,678,589,000 1,664,933,000 1,684,342,000 1,547,814,000 1,526,732,000 1,499,214,000 1,527,369,000 1,551,533,000 1,562,537,000 1,541,121,000 1,585,928,000 1,678,569,000 1,720,555,000 1,736,189,000 1,744,825,000 1,733,351,000 1,698,908,000 1,706,631,000 1,633,456,000 1,626,902,000 1,583,063,000 1,583,967,000 1,571,318,000 1,570,692,000 1,588,861,000           
        operating lease right-of-use assets
                         58,100,000 60,900,000 63,500,000 66,000,000 68,200,000 70,400,000 73,100,000 74,503,000 75,338,000 77,479,000                                          
        long-term operating lease liabilities
                          51,000,000 54,300,000 57,300,000 60,100,000 62,700,000 65,600,000                                             
        restricted cash
                               1,400,000 1,440,000 1,440,000 1,440,000  1,080,000         2,270,000 2,270,000 2,270,000 2,270,000 2,270,000 1,500,000 1,500,000  1,501,000 1,500,000 1,500,000 1,500,000 1,500,000    770,000 770,000 769,000 500,000 1,656,000 3,668,000 3,637,000     750,000 750,000   
        trade payables
                           143,400,000 140,500,000 137,500,000 146,800,000                                              
        accrued compensation
                           41,700,000 50,100,000 47,300,000 34,100,000                                              
        other accrued liabilities
                           58,000,000 47,300,000 61,100,000 51,400,000                                              
        receivables
                            179,500,000 191,900,000 207,100,000  157,929,000 169,972,000 168,093,000 145,519,000 139,170,000 118,726,000 137,622,000 142,065,000 135,946,000 130,805,000 141,971,000 147,074,000 134,384,000 143,061,000 134,875,000 139,052,000 153,857,000 141,090,000 133,949,000 133,914,000 178,175,000 168,555,000 169,052,000 158,874,000 168,519,000 169,397,000 156,251,000 154,143,000 175,587,000 171,394,000 179,583,000 176,189,000 182,954,000 182,002,000 155,292,000 153,335,000 111,235,000 110,130,000 105,157,000 94,458,000 110,367,000 146,369,000 95,052,000  
        short-term debt
                            1,700,000 1,600,000 58,100,000 17,900,000 58,000,000 235,000,000 212,216,000 120,833,000                                         
        taxes receivable
                               300,000 6,721,000 7,943,000 6,981,000 6,301,000 6,748,000 8,784,000 18,819,000 20,282,000 14,578,000 5,479,000 4,112,000 9,709,000 7,634,000 744,000 679,000 14,851,000    1,255,000 2,609,000 6,840,000 4,980,000 10,503,000 8,380,000 8,910,000 11,281,000 20,828,000 11,918,000 13,813,000 14,508,000 10,000,000 12,382,000 12,157,000  10,354,000 2,936,000  61,990,000 101,343,000 69,715,000    
        goodwill
                                35,074,000 35,074,000 35,074,000 35,074,000 230,153,000 244,161,000 244,161,000 244,161,000 244,283,000 244,283,000 244,283,000 244,283,000 209,087,000 209,087,000 209,087,000 209,087,000 209,087,000 209,087,000 209,087,000 209,087,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000 229,533,000         
        intangible assets
                                18,725,000 20,510,000 22,295,000 24,080,000 25,865,000 28,642,000 30,592,000 32,542,000 34,528,000 36,513,000 38,587,000 40,485,000 16,280,000 17,517,000 18,753,000 19,990,000 21,231,000 22,473,000 23,715,000 24,956,000 34,589,000 36,208,000 37,803,000 40,778,000 42,467,000 44,156,000 45,954,000 47,753,000 44,854,000 46,485,000 48,117,000 49,748,000 51,331,000 53,000,000 54,768,000 56,400,000         
        current liability for pension and other postretirement employee benefits
                                7,430,000                                            
        operating lease liabilities
                                66,571,000 70,194,000 72,647,000                                          
        accrued taxes
                                3,070,000 2,257,000 3,111,000 2,785,000 2,839,000 3,116,000 2,807,000 2,770,000 2,557,000 2,567,000 2,497,000 2,434,000 1,523,000 1,516,000 1,525,000 1,676,000 1,573,000 1,717,000 1,706,000 2,696,000 2,807,000 2,694,000 2,677,000 2,658,000 68,164,000 75,936,000 75,522,000 78,699,000 78,625,000 77,990,000 78,107,000 74,464,000 73,884,000 73,373,000 72,721,000 72,011,000 75,414,000 74,317,000 73,632,000 73,487,000 52,267,000    
        commitments and contingent liabilities
                                                                            
        current liability for pensions and other postretirement employee benefits
                                 7,430,000 7,430,000 7,430,000 7,631,000 7,631,000 7,631,000 7,631,000 7,821,000 7,821,000 7,821,000 7,821,000 7,559,000 7,559,000 7,559,000 7,559,000 7,915,000 7,915,000 7,915,000 7,915,000 8,778,000 8,778,000 8,778,000 8,778,000 9,137,000 9,137,000 9,137,000 9,137,000 9,861,000 9,861,000 9,861,000 9,861,000 9,749,000 9,749,000 9,749,000 9,749,000 9,933,000 9,933,000 9,933,000 9,933,000 9,086,000 9,086,000 9,086,000 9,086,000 
        liability for pensions and other postretirement employee benefits
                                 74,903,000 76,507,000 78,191,000 67,759,000 69,504,000 70,934,000 72,469,000 78,440,000 79,442,000 80,577,000 81,812,000 85,991,000 86,465,000 87,609,000 89,057,000 113,531,000 114,835,000 116,719,000 118,464,000 103,909,000 105,015,000 107,402,000 109,807,000 187,410,000 196,581,000 199,711,000 204,163,000 197,222,000 199,196,000 200,246,000 215,932,000 180,036,000 180,405,000 179,516,000 187,116,000 224,438,000 229,418,000 237,705,000 236,422,000 225,144,000 224,148,000 222,854,000 221,649,000 
        borrowings under revolving credit facilities
                                    100,000,000 160,000,000 168,500,000 155,000,000 110,000,000 108,000,000 130,000,000 135,000,000                                 
        short-term investments
                                               250,000 10,000,000 60,000,000 11,000,000 50,000,000  59,000,000 59,000,000 70,000,000 89,000,000 80,000,000 85,000,000 20,000,000 37,000,000 20,000,000 25,000,000 55,001,000 85,001,000 92,000,000 140,139,000 126,095,000 335,168,000 319,967,000 233,000,000 187,926,000 146,003,000 73,185,000 12,977,000 10,800,000 
        pension assets
                                            2,035,000 1,555,000 1,086,000 596,000 8,743,000 8,098,000 6,333,000 4,738,000 18,656,000 11,284,000 7,732,000 4,488,000                     
        revolving credit facility borrowings
                                            13,012,000  6,005,000                              
        cash
                                               5,610,000 13,417,000 11,465,000 29,796,000 27,331,000 13,578,000 22,481,000 24,042,000 23,675,000 20,929,000 1,180,000 9,538,000 12,579,000 19,564,000 17,215,000 24,544,000 8,439,000 21,071,000 34,476,000 19,092,000 18,928,000 21,507,000 12,997,000 17,261,000 2,824,000 2,649,000 3,561,000 2,852,000 3,218,000 
        deferred tax assets1
                                                                            
        other current assets2
                                               9,331,000                             
        other assets, net2
                                               4,221,000                             
        long-term debt2
                                               568,987,000                             
        deferred tax assets
                                                20,330,000 20,839,000 21,682,000 21,760,000 24,864,000 29,536,000 37,257,000 37,538,000 28,356,000 23,976,000 26,385,000 17,136,000 24,857,000 25,878,000 27,573,000 39,466,000 35,345,000 40,915,000 41,408,000 37,374,000 11,419,000 11,917,000 13,601,000 12,926,000 14,772,000 14,772,000 14,772,000 14,772,000 
        prepaid expenses
                                                6,763,000 7,869,000 10,736,000 4,191,000 6,461,000 8,085,000 10,501,000 5,523,000 8,210,000 10,159,000 10,037,000 12,314,000 8,570,000 8,446,000 10,718,000 11,396,000 6,482,000 9,177,000 11,315,000 11,415,000 3,970,000 4,920,000 6,513,000 3,053,000 5,304,000 6,315,000 5,872,000 2,408,000 
        short-term borrowings
                                                    47,047,000                        
        common stock
                                                             1,000 1,000 1,000 1,000            
        deferred taxes
                                                                   61,064,000     1,539,000 9,286,000 6,312,000 1,837,000 
        land
                                                                    5,228,000 4,729,000 4,729,000 4,729,000 4,729,000 4,729,000 4,729,000 4,729,000 
        plant and equipment
                                                                    349,012,000 352,422,000 353,451,000 359,295,000     
        notes payable
                                                                          40,000,000 50,000,000 
        note payable to potlatch
                                                                          100,000,000 100,000,000 
        accumulated other comprehensive loss, net of tax of
                                                                       -126,962,000    -126,149,000 
        plant and equipment, at cost less accumulated depreciation
                                                                        366,182,000 372,311,000 377,386,000  
        accumulated other comprehensive loss
                                                                        -121,699,000 -123,368,000 -124,949,000  
        stockholders’ equity excluding accumulated other comprehensive loss
                                                                         396,570,000 321,475,000  
        receivables, less allowance for doubtful accounts of 1,121 and 760
                                                                           104,030,000 
        plant and equipment, net of accumulated depreciation of 1,205,405 and 1,158,042
                                                                           385,138,000 
        potlatch’s net investment
                                                                            
        retained deficit
                                                                           -385,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 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 
                                                                            
          operating activities
                                                                            
          net income
        38,300,000 -53,300,000 2,700,000 -6,300,000 199,100,000 23,000,000 -43,000,000 17,200,000 71,100,000 6,900,000 5,900,000 23,800,000 25,400,000 5,900,000 -1,900,000 16,600,000 -30,000,000 53,500,000 -63,700,000 12,100,000 55,700,000 -1,400,000 12,500,000 10,300,000                                             
          adjustments to reconcile net income to net cash flows from operating activities:
                                                                            
          goodwill impairment
                                                                           
          depreciation and amortization
        23,700,000 23,700,000 23,000,000 22,000,000 21,500,000 47,400,000 7,700,000 23,200,000 74,200,000 -200,000 -200,000 24,800,000 77,100,000 500,000 300,000 25,400,000 79,100,000 -900,000 26,800,000 83,300,000 -100,000 -200,000 28,000,000 29,257,000 31,990,000 28,517,000 25,836,000 26,267,000 25,342,000 25,177,000 25,167,000 25,522,000 25,856,000 26,055,000 27,557,000 25,169,000 22,747,000 22,024,000 21,150,000 21,888,000 21,204,000 20,632,000 21,008,000 23,606,000 22,293,000 22,015,000 22,231,000 22,688,000 22,180,000 23,253,000 22,151,000 20,856,000 19,199,000 19,730,000 19,548,000 19,825,000 19,569,000 18,870,000 18,669,000 12,221,000 11,780,000 11,861,000 11,866,000 12,248,000 11,692,000 11,757,000 11,721,000 
          equity-based compensation expense
        -300,000 600,000 2,500,000 1,000,000 -1,600,000 2,500,000 1,400,000 3,300,000 6,400,000 2,000,000 -400,000 1,900,000 8,700,000 -900,000 4,200,000 700,000         1,141,000 889,000 1,242,000 828,000 469,000   781,000 1,097,000 2,120,000 386,000 17,000 2,559,000 2,110,000 5,544,000 2,172,000 2,062,000 476,000 850,000 1,169,000 3,589,000 2,291,000 2,431,000 4,479,000 3,202,000 2,177,000 796,000 4,785,000 2,022,000 4,050,000 2,551,000 1,080,000 3,017,000 2,117,000 1,046,000 1,954,000 2,124,000 3,259,000 2,092,000 1,043,000 835,000 839,000 649,000 689,000 
          deferred taxes
        -15,500,000 -6,400,000 1,700,000 -2,300,000 49,000,000 -6,500,000 -1,900,000 -1,600,000 -10,500,000 -2,800,000 -300,000 -1,300,000 -6,300,000 300,000 300,000 -2,200,000     20,700,000 3,900,000 7,100,000 1,800,000 5,723,000 -11,203,000 4,266,000 914,000 3,154,000 1,281,000 2,889,000 -240,000                             -15,617,000 -2,178,000 2,010,000 794,000 -4,299,000 -7,747,000 2,974,000 4,475,000 
          defined benefit pension and other postretirement employee benefits
        400,000 -100,000 -100,000 -100,000 -1,000,000 -2,400,000 100,000 -900,000 -1,600,000 200,000 -100,000 -500,000 2,300,000 -100,000 100,000 700,000                                                     
          gain on business divestiture
        -400,000                                                                    
          amortization of deferred debt costs and debt retirement
                4,100,000   1,500,000 -200,000                                                       
          loss on sale or impairment associated with assets
        2,800,000 2,000,000 3,000,000 100,000 300,000 900,000 500,000 200,000 1,800,000   1,100,000 4,900,000 -3,400,000                                                       
          changes in operating assets and liabilities, net of acquisitions and divestitures:
                                                                            
          (increase) in accounts receivable
                                                                            
          decrease in inventories
                                                                            
          decrease in other current assets
        -8,500,000 5,700,000   -5,900,000 1,100,000        -2,800,000       -11,800,000 -3,000,000                                               
          increase in accounts payable and accrued liabilities
        -10,300,000 11,400,000 -52,400,000 -24,000,000 9,100,000 20,400,000 48,900,000 20,500,000     53,600,000 -45,000,000 26,700,000 13,900,000 6,700,000 -29,600,000                                                   
          other
        1,500,000 -1,300,000 1,000,000 -1,100,000 -1,100,000 -700,000 -1,300,000 100,000 2,200,000 500,000 -1,500,000 1,400,000 1,800,000 -1,600,000 600,000 700,000   -1,800,000 1,700,000 5,700,000 -1,300,000 1,700,000 -500,000 2,175,000 -1,051,000 -685,000 2,561,000 376,000 -960,000 -152,000 -810,000 -2,383,000 -393,000 -432,000 1,699,000 -852,000 199,000 -314,000 -408,000 -402,000 -594,000 -399,000 -1,327,000 1,044,000 -1,371,000 -554,000 -462,000 363,000 345,000 -598,000 361,000 1,733,000 224,000 -954,000 3,294,000 1,045,000 -670,000 1,048,000 2,985,000 -5,046,000 -914,000 599,000 2,583,000 520,000   -91,000 
          net cash flows from operating activities
        5,000,000 34,000,000 -28,200,000 1,500,000 -35,100,000 75,400,000 -38,100,000 59,200,000 102,500,000 42,200,000 55,100,000 -9,100,000 136,900,000 -65,200,000 37,400,000 41,100,000 80,100,000 2,000,000 -19,500,000 33,800,000 191,300,000 -53,300,000 96,900,000 12,100,000 71,835,000 -30,957,000 44,121,000 -29,399,000 47,800,000 10,223,000 80,023,000 30,853,000 25,494,000 48,577,000 58,061,000 45,538,000 33,868,000 42,468,000 47,393,000 49,022,000 52,120,000 19,645,000 59,858,000 28,052,000 37,169,000 7,018,000 59,643,000 35,270,000                     
          investing activities
                                                                            
          additions to property, plant and equipment 1
                                                                            
          acquisition of business
                                                                          
          proceeds from business divestiture
                                                                            
          net cash flows from investing activities
            959,500,000 -65,500,000   -59,500,000    -26,800,000        -29,900,000 -2,400,000   -14,320,000 -17,365,000 -36,827,000 -71,588,000 -121,674,000 -24,504,000 -30,131,000 -47,662,000 -62,900,000 -50,605,000 -43,413,000 -41,879,000 -117,242,000 -48,120,000 -26,439,000 -30,705,000 -40,674,000 27,157,000 -79,297,000 14,266,000 18,983,000 37,697,000 -16,214,000 -4,779,000                     
          financing activities
                                                                            
          borrowings on long-term debt
        10,000,000 7,000,000   -100,000 26,800,000                                                               
          repayments of long-term debt
        -100,000 -200,000 -18,100,000 -200,000 -880,200,000 -20,600,000 -6,800,000 -23,500,000 -325,400,000 -200,000  9,800,000 -14,700,000 -20,400,000  -40,100,000 -400,000  -257,200,000 -59,300,000 -1,100,000                                             
          taxes paid related to net share settlement of equity awards
           -2,300,000    -3,100,000 -4,600,000 300,000 3,800,000 -4,200,000   500,000 -1,500,000   1,500,000 -1,600,000                                                 
          repurchases of common stock
        -2,100,000 -4,200,000 -10,900,000 -4,000,000 -3,000,000 -2,500,000 -500,000 -12,900,000 3,400,000 -6,700,000 -1,700,000 -4,000,000 2,900,000                                                       
          payments for debt issuance costs
                            -100,000    -456,000                                            
          net cash flows from financing activities
        5,800,000 -15,800,000   -880,300,000 -700,000   -123,900,000    -62,900,000       -1,400,000 -146,200,000 67,600,000 -152,100,000 37,800,000 -45,363,000 14,343,000 22,353,000 90,667,000 19,134,000 39,690,000 -8,678,000 13,135,000 44,666,000 1,987,000 -22,124,000 -10,665,000 106,044,000 -3,412,000 -13,787,000 -21,699,000 -19,253,000 -44,850,000 1,108,000 -39,853,000 -42,399,000 -53,618,000 -44,990,000 -30,124,000                     
          increase in cash and cash equivalents
           -35,600,000 44,200,000                                  7,167,000 -3,382,000                             
          cash and cash equivalents at beginning of period
        79,600,000 -13,200,000                         15,738,000 23,001,000 5,610,000                             
          cash and cash equivalents at end of period
        -3,700,000 -12,300,000 2,700,000 44,000,000 44,100,000 -4,100,000                         41,214,000 12,064,000 7,260,000 -41,000 -7,476,000 15,995,000 22,670,000 -9,064,000 7,167,000 2,228,000                             
          supplemental disclosures of cash flow information:
                                                                            
          cash paid for interest, net of amounts capitalized
        1,100,000 7,500,000 800,000 6,500,000 9,700,000 34,700,000 -1,900,000 9,900,000 23,200,000 13,800,000 -13,800,000 14,600,000 17,600,000 14,200,000 -14,400,000 15,600,000 20,100,000 13,300,000 -13,500,000 16,100,000 25,500,000 14,600,000 -14,300,000 19,200,000 -389,000 22,362,000 1,280,000 15,147,000 -1,315,000 13,155,000 367,000 13,927,000 218,000 13,557,000 -108,000 14,418,000 -550,000 13,872,000 -503,000 13,871,000 -234,000 14,149,000       13,359,000 6,462,000 13,360,000 2,966,000 17,720,000 -4,088,000   21,292,000            
          cash paid for income taxes, net of refunds received
        -3,600,000    4,200,000                                                                
          amortization of deferred debt costs
         600,000    1,300,000                                                               
          changes in operating assets and liabilities:
                                                                            
          increase in accounts receivable
         4,200,000     -73,400,000 7,800,000       -700,000 -10,600,000  -38,600,000 25,700,000    -37,300,000                                             
          increase in inventories
         -26,200,000 900,000    -8,200,000                                                             
          additions to property, plant and equipment, net 1
         -18,300,000 -22,900,000 -32,700,000  -65,500,000 400,000 -18,500,000  -1,400,000 8,700,000 -21,500,000                                                         
          adjustment to proceeds from business divestiture
                                                                            
          net cash flows used in investing activities
         -30,400,000 -22,900,000 -32,700,000    -18,500,000   8,700,000 -21,500,000   2,500,000 -7,900,000  1,000,000 1,200,000 -11,100,000    -10,500,000                                             
          payments of debt issuance costs
             -800,000                                                               
          decrease in cash and cash equivalents
         -12,200,000                              -3,674,000    -7,006,000                                 
          cash paid for income taxes
          57,200,000 200,000     3,800,000 -2,300,000   30,100,000        -3,200,000    1,398,000 284,000 1,899,000 19,000 2,071,000 148,000 1,375,000 142,000 317,000 38,000 2,123,000 206,000 1,605,000 5,165,000 10,143,000 742,000 16,963,000 10,856,000 5,512,000 2,518,000 655,000 1,985,000 3,202,000 1,009,000 856,000 320,000 1,113,000 967,000 979,000 6,300,000 8,404,000 3,036,000 3,040,000            
          decrease in accounts receivable
           11,100,000 -24,900,000        -21,100,000        -6,700,000 -6,000,000                                               
          increase in other current assets
           200,000    -2,300,000         -2,600,000 -3,600,000 4,700,000 -200,000    -9,000,000                                             
          net cash flows used in financing activities
           -4,400,000    -27,600,000   -2,600,000 -6,300,000   -18,100,000 -21,900,000  -40,000,000                                                   
          supplemental disclosures of cash flow information
                                                                            
          changes in operating assets and liabilities, excluding the effects of acquired business:
                                                                            
          increase in cash, cash equivalents
                                                                            
          increase in cash, cash equivalents and restricted cash
               13,200,000 -80,900,000 44,200,000 61,300,000 -37,000,000 47,300,000 -52,200,000 21,900,000 11,200,000 22,400,000 -36,900,000 -17,400,000 21,200,000 15,000,000 12,000,000 -52,000,000 39,400,000 12,152,000 -33,979,000                                           
          cash, cash equivalents and restricted cash at beginning of period
               42,000,000 12,700,000 24,300,000 -37,000,000 54,400,000 -44,400,000 33,100,000 11,300,000 26,200,000 -25,100,000 3,800,000 21,300,000 36,900,000 -26,800,000 -12,600,000 39,400,000 22,400,000 -47,000                                           
          cash, cash equivalents and restricted cash at end of period
               55,200,000 -68,200,000 68,500,000 24,300,000 17,400,000 2,900,000 -19,100,000 33,100,000 37,500,000 -2,700,000 -33,100,000 3,800,000 58,200,000 -11,700,000 -600,000 -12,600,000 61,800,000 12,105,000 -33,979,000                                           
          cash, cash equivalents, and restricted cash
                                                                            
          cash and cash equivalents
               55,200,000  68,500,000 25,000,000 16,700,000  -18,700,000 33,100,000 36,400,000  -33,100,000 3,800,000 57,100,000  -700,000 -12,600,000 60,800,000                                             
          restricted cash included in other current assets
                                                                            
          total cash, cash equivalents and restricted cash
               55,200,000  68,500,000 24,300,000 17,400,000  -19,100,000 33,100,000 37,500,000  -33,100,000 3,800,000 58,200,000  -600,000 -12,600,000 61,800,000                                             
          net proceeds from divested assets
                                                                           
          increase in cash from changes in operating assets and liabilities:
                                                                            
          accounts receivable
                 31,300,000 -1,300,000 -6,400,000                                                         
          inventories
                 1,600,000 27,600,000 -22,300,000                                                         
          other current assets
                 -2,500,000                                                           
          accounts payable and accrued liabilities
                 4,700,000 21,000,000 -31,700,000                                                         
          borrowings on short-term debt
                   12,000,000             14,423,000 97,950,000 146,565,000 290,362,000                                         
          repayments of borrowings on short-term debt
                   -12,000,000             -58,985,000 -275,955,000 -123,781,000 -198,979,000                                         
          restricted cash included in other assets
                      1,100,000  1,100,000  100,000 1,000,000                                             
          restricted cash included in other current assets and other assets
                   700,000                                                         
          decrease in inventory
                            39,100,000 -26,100,000                                               
          borrowings of short-term debt
                              -68,500,000 88,500,000                                             
          repayments of short-term debt
                              -25,100,000 -48,800,000                                             
          borrowings of long-term debt
                                                                            
          repayment of long-term debt
                                                       -150,000,000                 
          increase in inventory
                     -33,400,000 -1,600,000 -4,200,000  -8,400,000 34,600,000 -29,700,000    40,900,000                                             
          additions to property, plant and equipment
                     -1,300,000 2,500,000 -7,900,000 -29,500,000 1,000,000 1,200,000 -11,100,000 -29,900,000 -2,400,000 3,200,000 -10,500,000 -14,306,000 -17,375,000 -36,831,000 -71,588,000 -121,674,000 -95,434,000 -30,170,000 -48,430,000 -63,098,000 -50,941,000                                   
          cash paid (received) for income taxes
                                                                            
          proceeds from sale of stock under employee awards
                           500,000                                                 
          loss on sale or impairment associated with divested assets
                                                                            
          cash flows from operating activities
                                                                            
          stock-based compensation expense
                         3,100,000 -1,700,000 2,400,000  -900,000 1,900,000 1,500,000                                             
          deferred and other income taxes
                         23,800,000 -21,000,000 -400,000                                                 
          pension and other postretirement employee benefits
                                                                            
          debt retirement costs
                            2,000,000 2,900,000                                             
          non-cash charges associated with mill closure
                                                                            
          cash flows from investing activities
                                                                            
          cash flows from financing activities
                                                                            
          pension and other postretirement employment benefits
                          -200,000 1,700,000                                                 
          cash (received) for income taxes
                                                                            
          gain on divested assets
                               -1,400,000                                            
          decrease in accounts payable and accrued liabilities
                           -6,200,000                                                 
          cash (received) paid for income taxes
                           -8,400,000                                                 
          increase in trade payables
                            -20,600,000 15,700,000 1,400,000 -13,000,000                                             
          increase in accrued compensation
                            -2,000,000 -17,000,000                                               
          increase in other accrued liabilities
                            16,300,000 -19,700,000                                               
          proceeds from long-term debt
                                                       275,000,000                 
          restricted cash
                                                                            
          pension and other post retirement employment benefits
                              400,000 800,000                                             
          cash paid for income taxes, net of amounts received for refunds
                                                                            
          other non-cash activity
                               900,000 1,776,000 1,516,000 -228,000 -564,000                                         
          decrease in accrued compensation
                               -10,900,000                                             
          decrease in other accrued liabilities
                               -100,000                                             
          cash received from refunds, net of amounts paid for income taxes
                                                                            
          pension and other post employment benefits
                                                                            
          disposal of plant and equipment
                                    598,000    298,000   370,000 1,351,000    383,000 837,000 302,000 -30,000 212,000 325,000 -7,000 429,000 1,458,000                    
          decrease in taxes receivable
                                                                            
          purchase of treasury stock
                                        -4,875,000 -13,799,000 -16,360,000 -7,507,000 -27,661,000 -15,685,000 -47,157,000 -37,148,000 -25,678,000 -44,990,000 -29,332,000 -24,217,000 -15,799,000 -9,818,000 -50,166,000 -9,295,000 -1,886,000   -1,347,000            
          cash received from income tax refunds
                                262,000 5,000 43,000 190,000 807,000 202,000 11,408,000 1,873,000 1,650,000 338,000 99,000 5,551,000 746,000 37,000 172,000 10,334,000 429,000 75,000 1,550,000 479,000 1,371,000 6,326,000 37,000 4,133,000 757,000 24,000 165,000 631,000 613,000 1,007,000 600,000 4,526,000            
          net earnings
                                 -10,973,000 -424,000 3,837,000 -187,772,000 34,444,000 6,961,000 2,600,000 80,924,000 863,000 8,037,000 7,515,000 9,343,000 901,000 20,864,000 18,446,000 11,565,000 23,064,000 15,597,000 5,757,000 -27,247,000 6,253,000 12,453,000 6,226,000 82,862,000 13,317,000 11,658,000 -882,000 19,852,000 19,064,000 21,489,000 3,726,000 11,502,000 8,645,000 13,923,000 5,604,000 37,786,000 14,988,000 20,568,000 458,000 47,160,000 46,209,000 75,448,000 13,647,000 
          adjustments to reconcile net earnings to net cash flows from operating activities:
                                                                            
          employee benefit plans
                                    -218,000 -224,000 14,000 312,000 -1,372,000 -816,000 -1,395,000 -788,000 -1,479,000 2,061,000 -1,172,000 -1,389,000 889,000 684,000 629,000 809,000 512,000 624,000 91,000 888,000 2,330,000 2,703,000 2,405,000 2,693,000 2,669,000 2,657,000 2,358,000 1,682,000 10,645,000 2,082,000 1,773,000 2,397,000 6,949,000 2,734,000 2,019,000 3,309,000 7,416,000 3,507,000 2,574,000 3,240,000 
          amortization of deferred issuance costs on debt
                                                                            
          loss on retirement of debt
                                                                            
          changes in working capital
                                 -48,120,000 11,985,000 -62,131,000  -28,915,000 35,073,000 1,244,000  20,104,000 24,831,000 -1,089,000  17,439,000 -3,846,000 -9,548,000 -630,000 -13,838,000 25,852,000 3,457,000 942,000 -28,008,000 20,474,000 -5,656,000 -15,069,000 43,852,000 -33,937,000 -9,868,000 9,847,000 28,813,000               
          changes in taxes receivable
                                 1,222,000 -962,000 -680,000  2,036,000 10,035,000 1,463,000  -9,098,000 -1,368,000 5,597,000  -6,890,000 -65,000 14,172,000  1,255,000  4,231,000 -1,860,000 5,523,000  530,000                   
          repayments of borrowings on long-term debt
                                                                            
          increase in accrued property, plant and equipment
                                 -8,025,000 -9,986,000 -28,443,000                                         
          deferred issuance costs on debt
                                           222,000                                 
          changes in non-current accrued taxes
                                                     113,000 17,000 19,000  -7,772,000      3,643,000             
          decrease in cash, cash equivalents, and restricted cash
                                   -10,320,000                                         
          cash, cash equivalents, and restricted cash at beginning of period
                                   24,947,000                                         
          cash, cash equivalents, and restricted cash at end of period
                                   14,627,000                                         
          other non-cash additions to property, plant and equipment
                                   493,000                                         
          changes in working capital, net of acquisition
                                                                            
          change in taxes receivable
                                                           9,547,000 -8,910,000 1,895,000 695,000 -4,508,000 2,382,000 -225,000 -12,157,000 10,354,000  -2,936,000 61,990,000 39,353,000     
          acquisition of manchester industries, net of cash acquired
                                                                            
          payment of tax withholdings on equity-based payment arrangements
                                           -790,000 -445,000 -22,000 -423,000 -43,000 -1,023,000 -81,000 -3,048,000 -731,000 -792,000 -658,000 -1,978,000 -2,195,000 -269,000 -2,000 -12,963,000             
          supplemental disclosures of non-cash investing and financing activities:
                                                                            
          changes in accrued property, plant and equipment
                                    -36,223,000 -10,394,000 87,542,000 1,317,000 -3,236,000 -1,672,000                                   
          non-cash reclassification of credit facility borrowings to long-term debt
                                                                           
          other changes to property, plant and equipment
                                        -259,000                                    
          other non-cash adjustments
                                     472,000 91,000 336,000                                     
          borrowings on revolving credit facilities
                                     198,391,000 36,738,000 87,325,000 113,308,000 68,000,000 26,000,000 91,000,000                                 
          repayments of borrowings on revolving credit facilities
                                     -158,391,000 -45,238,000 -73,825,000  -66,000,000 -48,000,000 -96,000,000                                 
          increase in cash, cash equivalents, and restricted cash
                                                                            
          supplemental disclosures of non-cash investing and financing activities
                                                                            
          non-cash additions to property, plant and equipment
                                                                            
          excess tax benefits from equity-based payment arrangements
                                            -155,000 -9,000   2,415,000 -2,389,000 -1,116,000 -343,000 644,000        -6,644,000 -3,400,000 -3,648,000 -2,145,000             
          funding of qualified pension plans
                                                -1,618,000 -1,561,000 -998,000 -7,068,000 -4,575,000 -4,314,000 -2,439,000 -7,978,000 -1,607,000 -3,026,000 -3,002,000 -2,100,000 -15,525,000 -2,698,000 -1,300,000 -8,500,000 -10,000,000 -6,100,000       
          change in short-term investments
                                                           -65,000,000 17,000,000 -17,000,000 5,000,000 30,001,000 30,000,000 6,999,000 48,095,000 -14,000,000 208,998,000 -15,031,000 -86,967,000 -45,074,000 -41,923,000 -72,818,000 -60,208,000 -2,177,000 
          proceeds from sale of assets
                                           368,000     17,000 80,000 1,000 506,000 242,000 114,000 159,000 460,000                   
          repayments of borrowings on revolving credit facilities'
                                                                            
          supplemental disclosures of non-cash investing activities:
                                                                            
          deferred tax provision
                                         6,711,000 3,516,000 4,375,000 5,998,000 3,655,000 4,309,000 4,365,000 28,484,000 -9,923,000 -1,150,000 -1,330,000 918,000 3,038,000 8,684,000 1,173,000 15,307,000 -294,000                   
          non-cash adjustments to unrecognized taxes
                                           63,000 911,000 7,000 -9,000 -151,000 103,000 -144,000 11,000 -990,000                         
          changes in short-term investments
                                             250,000  50,000,000 -49,000,000 39,000,000  59,000,000 11,000,000  -9,000,000                   
          additions to plant and equipment
                                           -42,247,000 -49,835,000 -48,120,000 -26,439,000 -30,955,000 -50,441,000 -22,923,000 -30,298,000 -25,240,000 -38,999,000 -21,417,000 -16,373,000 -16,239,000 -36,193,000 -22,987,000 -11,942,000 -19,471,000 -48,411,000 -54,446,000 -59,398,000 -41,521,000 -46,818,000 -22,952,000 -40,807,000 -23,492,000 -22,975,000 -7,593,000 -10,261,000 -5,257,000 -4,830,000 -4,833,000 -6,106,000 -3,559,000 
          changes in accrued plant and equipment
                                           -443,000 -3,506,000 6,675,000 2,382,000 -5,223,000 37,000 10,352,000 -753,000 -4,434,000 2,356,000 4,743,000 577,000 -1,489,000                     
          impairment of assets
                                                    3,078,000 890,000 4,259,000                     
          loss on divestiture of assets
                                                                            
          repayments of revolving credit facilities' borrowings
                                                                            
          property acquired under capital lease
                                                                996,000           
          deferred issuance costs on long-term debt
                                             218,000 206,000 213,000                             
          borrowings on revolving credit facility
                                             467,675,000 353,882,000 123,287,000                             
          repayments of revolving credit facility borrowings
                                             -454,663,000 -359,887,000 -117,282,000                             
          unsettled repurchases of common stock
                                                                            
          deferred issuance costs and discounts on long-term debt
                                                214,000 268,000 268,000 178,000 277,000 4,915,000 474,000 475,000 474,000 473,000 473,000 3,544,000                 
          payments for long-term debt issuance costs
                                                    -7,000    -3,000 -55,000                   
          increase in cash
                                                   2,465,000 13,753,000   367,000 2,746,000 19,749,000 -8,358,000 -3,041,000 -6,985,000 2,349,000 -7,329,000 16,105,000 -12,632,000 -13,405,000 15,384,000 164,000 -2,579,000 8,510,000 -4,264,000 14,437,000   709,000 -366,000 
          cash at beginning of period
                                                27,331,000 23,675,000 12,579,000 8,439,000            
          cash at end of period
                                                -7,807,000 1,952,000 -18,331,000 29,796,000 13,753,000 -8,903,000 -1,561,000 24,042,000 2,746,000 19,749,000 -8,358,000 9,538,000 -6,985,000 2,349,000 -7,329,000 24,544,000 -12,632,000            
          changes in short-term borrowings
                                                                            
          decrease in cash
                                                 1,952,000                           
          supplemental disclosures of non-cash investing activities
                                                                            
          cash paid for interest
                                                   14,340,000  14,871,000 13,359,000 6,188,000           22,123,000 92,000         
          change in non-current accrued taxes
                                                           -3,177,000 74,000 635,000       -6,198,000    21,220,000    
          cash paid for acquisitions, net of cash acquired
                                                                            
          balance, december 31, 2011
                                                                            
          performance share and restricted stock unit awards
                                                                            
          pension and opeb, net of tax of
                                                                            
          amortization of deferred taxes related to actuarial gain on other postretirement employee benefit obligations
                                                                            
          balance, december 31, 2012
                                                                            
          pension and opeb, net of tax of 36,346
                                                                            
          balance, december 31, 2013
                                                                            
          pension and opeb, net of tax of 8,761
                                                                            
          foreign currency translation amounts reclassified from accumulated other comprehensive loss
                                                                            
          balance, december 31, 2014
                                                                            
          change in restricted cash
                                                               -269,000 1,324,000           
          effect of exchange rate changes
                                                                208,000            
          adjustments to reconcile net earnings to net cash from operating activities:
                                                                            
          net cash from operating activities
                                                         69,568,000 8,458,000 13,514,000 38,110,000 72,283,000 49,857,000 38,443,000 -3,908,000 27,411,000 6,311,000 38,581,000 -4,163,000 24,676,000 94,118,000 70,960,000 41,716,000 76,870,000 71,407,000 34,771,000 
          capital expenditures
                                                         
          free cash flows
                                                         69,568,000 8,458,000 13,514,000 38,110,000 72,283,000 49,857,000 38,443,000 -3,908,000 27,411,000 6,311,000 38,581,000 -4,163,000 24,676,000 94,118,000 70,960,000 41,716,000 76,870,000 71,407,000 34,771,000 
          net cash from investing activities
                                                         -31,987,000 -6,942,000 -84,471,000 -40,675,000 -71,446,000 -53,363,000 -11,520,000 -3,992,000 -15,953,000 7,288,000 -37,492,000 -57,755,000 -22,624,000 -97,228,000 -50,331,000 -46,686,000 -77,651,000 -66,314,000 -5,736,000 
          net cash from financing activities
                                                         -17,832,000 -9,874,000 67,916,000 -4,420,000 1,512,000 -3,823,000 -10,818,000 -4,940,000 -25,061,000 1,882,000 -977,000 59,339,000 6,458,000 -1,154,000 -6,192,000 5,145,000 -131,000 -4,384,000 -29,401,000 
          increase in accrued plant and equipment
                                                         970,000 5,056,000 2,213,000 81,000 974,000 -6,386,000 8,670,000 -1,413,000            
          deferred tax expense
                                                           -12,614,000 -387,000 477,000 904,000 11,876,000 2,466,000 1,658,000 8,652,000 2,001,000         
          payment of long-term debt issuance costs
                                                           -4,723,000                 
          net proceeds from long-term debt
                                                                        750,000   
          repayment of cellu tissue debt
                                                                            
          change in working capital
                                                               15,772,000             
          supplemental disclosures of non-cash investing
                                                                            
          activities:
                                                                            
          change in working capital, net of acquisition
                                                                            
          acquisition of cellu tissue, net of cash acquired
                                                                            
          deferred loan fees
                                                                        -25,000   
          payment of employee restricted stock tax withholdings
                                                                -902,000 -28,000 -1,470,000 -31,000 -19,000 -3,420,000     
          decrease in notes payable
                                                                            
          repayment of note payable to potlatch
                                                                            
          change in payable to potlatch
                                                                            
          working capital changes
                                                                 -5,789,000 -29,949,000 3,117,000  2,146,000 1,995,000 14,123,000  -29,526,000 -28,424,000 1,400,000 
          change in book overdrafts
                                                                 686,000 1,990,000 881,000 -685,000 6,716,000 -1,136,000 -5,324,000 4,373,000 -472,000 -1,107,000 -2,781,000 
          repayment of debt
                                                                 -15,215,000 -380,000         
          supplemental disclosure of cash flow information:
                                                                            
          supplemental disclosure of non-cash investing activities:
                                                                            
          cash flows from operations
                                                                            
          cash flows from investing
                                                                            
          cash flows from financing
                                                                            
          effect of foreign currency
                                                                  -97,000 52,000         
          balance at beginning of period
                                                                  18,928,000 2,824,000  3,218,000 
          balance at end of period
                                                                  15,384,000 19,092,000 -2,579,000 8,510,000 -4,264,000 17,261,000  -912,000 709,000 2,852,000 
          cash paid for taxes
                                                                  24,925,000 10,544,000         
          cash received from tax refunds
                                                                  130,000 29,152,000         
          adjustments to reconcile net earnings to net operating cash flows:
                                                                            
          increase in other assets
                                                                          186,000 -401,000 
          excess tax benefit from equity-based payment arrangements
                                                                    1,760,000 -30,000 -16,000 -2,569,000     
          increase in notes payable
                                                                            
          net payments to potlatch
                                                                            
          repayment of notes payable
                                                                         -40,000,000 -10,000,000 
          repayment of payable to potlatch
                                                                           
          loss on disposal of plant and equipment
                                                                        161,000    
          decrease in receivables
                                                                            
          increase in taxes receivables
                                                                            
          decrease in prepaid expenses
                                                                            
          increase in taxes payable
                                                                            
          excess tax benefit from share-based payment arrangements
                                                                        -46,000 -11,000   
          balance at beginning of year
                                                                            
          balance at end of year
                                                                            
          cash flows from continuing operations
                                                                            
          repayment to potlatch
                                                                           -16,529,000 
          payable to potlatch