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Murphy USA Inc
(NYSE:MUSA) 

MUSA stock logo

Murphy USA Inc. engages in marketing of retail motor fuel products and convenience merchandise. The company operates retail stores under the Murphy USA and Murphy Express brand names. As of February 3, 2021, it operated 1,503 retail gasoline stores principally in the Southeast, Southwest, and Midwes...

Founded: 1996
Full Time Employees: 4,600
Sector: Consumer Cyclical
Industry: Specialty Retail
Consumer Cyclical
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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 
                                                       
      operating revenues
    		                                                   
      petroleum product sales1
    		3,696,800,000 2,816,475,000 3,924,700,000 3,851,400,000 3,489,800,000 3,068,400,000 4,121,400,000 4,340,500,000 3,811,700,000 3,275,900,000 4,658,800,000 4,450,600,000 3,994,200,000                                       
      merchandise sales
    		1,049,200,000 1,089,700,000 1,122,300,000 1,092,400,000 999,400,000 1,051,300,000 1,082,400,000 1,080,400,000 1,000,700,000 1,018,500,000 1,055,600,000 1,049,000,000 966,200,000 989,400,000 1,027,200,000 994,600,000 892,000,000 927,700,000 953,400,000 963,400,000 833,200,000 743,700,000 756,800,000 767,100,000 687,500,000 674,000,000 681,100,000 658,800,000 606,200,000 615,500,000 623,700,000 616,100,000 567,700,000 595,595,000 605,575,000 605,698,000 565,790,000 588,424,000 598,968,000 589,457,000 561,737,000 586,003,000 591,584,000 572,164 524,137,000 547,491,000 560,993,000 548,260,000 502,722,000 533,793,000 556,835,000 
      other operating revenues
    		73,300,000 57,000,000 63,000,000 61,200,000 36,200,000 40,900,000 34,700,000 30,800,000 31,300,000 49,600,000 83,500,000 85,800,000 116,800,000 64,100,000 88,900,000 81,800,000 78,000,000 42,700,000 73,100,000 88,100,000 68,100,000 33,700,000 26,200,000 23,600,000 17,100,000 7,400,000 11,000,000 11,900,000 10,400,000 10,600,000 12,800,000 19,200,000 38,900,000 47,031,000 49,791,000 37,643,000 31,574,000 51,714,000 48,819,000 44,570,000 40,241,000 24,620,000 20,754,000         
      total operating revenues
    		4,819,300,000 4,743,600,000 5,110,000,000 5,005,000,000 4,525,400,000 4,710,400,000 5,238,500,000 5,451,700,000 4,843,700,000 5,068,900,000 5,797,900,000 5,585,400,000 5,077,200,000 5,366,300,000 6,194,700,000 6,766,700,000 5,118,400,000 4,767,000,000 4,600,400,000 4,456,000,000 3,537,100,000 2,860,900,000 2,839,000,000 2,379,600,000 3,184,800,000 3,460,200,000 3,657,600,000 3,800,400,000 3,116,400,000 3,501,700,000 3,788,000,000 3,829,000,000 3,244,200,000 3,379,524,000 3,236,351,000 3,211,060,000                
      operating expenses
    		                                                   
      petroleum product cost of goods sold1
    		3,366,000,000 2,590,025,000 3,602,600,000 3,519,200,000 3,238,300,000 2,821,875,000 3,751,200,000 3,980,200,000 3,556,100,000 3,068,275,000 4,322,500,000 4,170,000,000 3,780,600,000                                       
      merchandise cost of goods sold
    		839,000,000 876,500,000 881,100,000 873,700,000 803,500,000 842,500,000 865,600,000 863,900,000 809,100,000 820,800,000 843,800,000 842,200,000 779,100,000 800,400,000 821,500,000 797,900,000 716,300,000 746,300,000 766,100,000 778,900,000 684,800,000 628,300,000 638,700,000 648,700,000 580,000,000 568,800,000 569,900,000 553,300,000 508,700,000 513,300,000 519,200,000 513,800,000 476,200,000 498,543,000 507,921,000 507,979,000 476,961,000 498,617,000 503,266,000 496,801,000 475,802,000 502,130,000 505,200,000 488,540 450,553,000 488,318,000 483,941,000 472,909,000 432,462,000 462,858,000 483,513,000 
      store and other operating expenses
    		279,800,000 281,300,000 285,900,000 275,200,000 266,100,000 266,500,000 276,100,000 269,900,000 252,100,000 254,200,000 265,600,000 256,700,000 238,300,000 247,100,000 254,500,000 252,200,000 222,700,000 220,200,000 221,100,000 208,900,000                                
      depreciation and amortization
    		72,100,000 72,700,000 69,900,000 66,000,000 68,200,000 67,200,000 62,800,000 59,300,000 58,700,000 57,000,000 57,500,000 57,800,000 56,400,000 55,900,000 54,400,000 54,700,000 55,400,000 55,100,000 53,200,000 53,300,000 51,000,000 41,500,000 40,600,000 39,500,000 39,400,000 38,400,000 37,600,000 36,500,000 39,700,000 35,000,000 34,200,000 33,000,000 31,800,000 33,452,000 28,989,000 27,513,000 27,012,000 25,863,000 25,576,000 23,685,000 23,486,000 22,555,000 21,695,000 21,317 21,178,000 12,278,000 19,629,000 19,685,000 19,661,000 12,751,000 19,387,000 
      selling, general and administrative
    		56,600,000 65,200,000 55,300,000 50,900,000 60,100,000 54,200,000 60,000,000 59,100,000 62,100,000 62,100,000 60,000,000 59,400,000 59,000,000 81,700,000 52,400,000 52,200,000 46,200,000 53,600,000 47,200,000 48,500,000 44,300,000 41,100,000 53,700,000 37,100,000 39,200,000 38,900,000 36,000,000 35,100,000 34,600,000 33,900,000 32,600,000 35,200,000 34,500,000 40,043,000 31,535,000 31,347,000 38,246,000 28,120,000 30,726,000 32,320,000 31,503,000 32,282,000 33,016,000 33,249 31,456,000 41,726,000 30,105,000 29,698,000 28,071,000 20,810,000 46,133,000 
      accretion of asset retirement obligations
    		900,000 800,000 900,000 800,000 900,000 800,000 800,000 800,000 800,000 800,000 700,000 700,000 800,000 700,000 600,000 700,000 700,000 600,000 600,000 700,000 600,000 600,000 600,000 500,000 600,000 500,000 600,000 500,000 500,000 500,000 500,000 500,000 500,000 450,000 447,000 446,000 442,000 414,000 411,000 412,000 413,000 384,000 380,000 379 378,000 199,000 300,000 300,000 297,000 275,000 274,000 
      total operating expenses
    		4,614,400,000 4,531,500,000 4,908,300,000 4,785,800,000 4,437,100,000 4,508,300,000 5,016,500,000 5,233,200,000 4,738,900,000 4,851,500,000 5,550,100,000 5,386,800,000 4,914,200,000 5,192,700,000 5,883,100,000 6,506,300,000 4,897,700,000 4,607,200,000 4,442,400,000 4,265,700,000 3,442,700,000 2,768,400,000 2,738,700,000 2,145,400,000 3,054,100,000 3,386,700,000 3,537,100,000 3,744,700,000 3,097,800,000 3,388,300,000 3,717,500,000 3,749,800,000 3,231,500,000 3,314,388,000 3,118,391,000 3,109,893,000                
      gain on sale of assets
    		300,000 -2,600,000 100,000  -300,000 -3,100,000 -400,000 -1,400,000 400,000 -200,000 -500,000 100,000 -200,000 -100,000 300,000 1,900,000  1,100,000 300,000 -100,000 200,000 -100,000  1,300,000 100,000  200,000  -100,000 -400,000 -500,000 -500,000 300,000 -524,000 -58,000 130,000 -3,498,000 -428,000 -335,000 -490,000 89,465,000 -567,000 -4,072,000 -23 4,000 5,825,000   170,000 15,000 5,972,000 
      income from operations
    		205,200,000 209,500,000 201,800,000 219,200,000 88,000,000 199,000,000 221,600,000 217,100,000 105,200,000 217,200,000 247,300,000 198,700,000 162,800,000 173,500,000 311,900,000 262,300,000 220,700,000 160,900,000 158,300,000 190,200,000 94,600,000 92,400,000 100,300,000 235,500,000 130,800,000 73,500,000 120,700,000 55,700,000 18,600,000 113,000,000 70,000,000 82,100,000 60,000,000 64,612,000 117,902,000 101,297,000 2,880,000 76,966,000 79,281,000 84,463,000 59,155,000 54,369,000 106,392,000 54,222 41,109,000 14,773,000 108,816,000 117,233,000 23,250,000 35,244,000 65,859,000 
      yoy
    		133.18% 5.28% -8.94% 0.97% -16.35% -8.38% -10.39% 9.26% -35.38% 25.19% -20.71% -24.25% -26.23% 7.83% 97.03% 37.91% 133.30% 74.13% 57.83% -19.24% -27.68% 25.71% -16.90% 322.80% 603.23% -34.96% 72.43% -32.16% -69.00% 74.89% -40.63% -18.95% 1983.33% -16.05% 48.71% 19.93% -95.13% 41.56% -25.48% 155672.56% 43.90% 268.03% -2.23% -99.95% 76.81% -58.08% 65.23%     
      qoq
    		-2.05% 3.82% -7.94% 149.09% -55.78% -10.20% 2.07% 106.37% -51.57% -12.17% 24.46% 22.05% -6.17% -44.37% 18.91% 18.85% 37.17% 1.64% -16.77% 101.06% 2.38% -7.88% -57.41% 80.05% 77.96% -39.11% 116.70% 199.46% -83.54% 61.43% -14.74% 36.83% -7.14% -45.20% 16.39% 3417.26% -96.26% -2.92% -6.14% 42.78% 8.80% -48.90% 196115.56% -99.87% 178.27% -86.42% -7.18% 404.23% -34.03% -46.49%  
      operating margin %
    		Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 0.10% 2.52% 2.61% 2.81% 2.38% 1.86% 3.15% 1.54% 1.39% 0.35% 2.33% 2.46% 0.56% 0.97% 1.38% 
      other income
    		                                                   
      investment income
    		300,000 100,000 100,000 100,000 -100,000 3,300,000 1,000,000 900,000 1,200,000 2,200,000 2,100,000 1,800,000 800,000                                       
      interest expense
    		-29,000,000 -28,600,000 -29,100,000 -27,800,000 -25,400,000 -22,900,000 -24,400,000 -24,900,000 -24,900,000 -24,000,000 -24,600,000 -25,000,000 -24,900,000 -23,700,000 -21,800,000 -20,200,000 -19,600,000 -20,200,000 -20,500,000 -20,400,000 -21,300,000 -12,500,000 -12,400,000 -13,000,000 -13,300,000 -12,800,000 -15,300,000 -13,200,000 -13,600,000 -13,300,000 -13,200,000 -13,400,000 -13,000,000 -12,792,000 -12,726,000 -11,644,000 -9,498,000 -9,924,000 -10,182,000 -10,210,000 -9,388,000 -8,491,000 -8,382,000 -8,329 -8,329,000 -7,058,500 -8,612,000 -10,527,000 -9,095,000 -1,231,500 -4,715,000 
      other nonoperating income
    		-300,000 400,000 600,000 1,000,000 -600,000 -1,600,000 500,000 100,000 400,000 -225,000 -1,400,000 200,000 300,000 400,000 -800,000 -1,200,000 -700,000  -200,000 200,000  800,000 200,000 300,000 -1,000,000  -100,000 -100,000 200,000 100,000  100,000  -1,089,000 3,034,000 3,000 232,000 114,000 2,848,000 85,000 33,000 -1,079,000 106,000 -4,854 5,364,000 -952,000 115,000 894,000 112,000 95,000 50,000 
      total other income
    		-29,000,000 -28,100,000 -28,400,000 -26,700,000 -26,100,000 -21,200,000 -22,900,000 -23,900,000 -23,300,000 -20,900,000 -23,900,000 -23,000,000 -23,800,000 -22,100,000 -21,200,000 -21,000,000 -20,300,000 -20,000,000 -20,600,000 -20,200,000 -21,300,000 -11,700,000 -12,200,000 -12,500,000 -13,500,000 -11,600,000 -29,400,000 -12,400,000 -12,700,000 -12,500,000 -13,000,000 -13,000,000 -12,700,000 -13,403,000 -9,226,000 -11,323,000 -12,717,000 -10,134,000 -7,525,000 -10,365,000 80,190,000 -9,868,000 -12,328,000 -13,191 -1,088,000 33,066,000 -8,484,000 -9,620,000 -8,798,000 3,948,000 1,661,000 
      income before income taxes
    		176,200,000 181,400,000 173,400,000 192,500,000 61,900,000 177,800,000 198,700,000 193,200,000 81,900,000 196,300,000 223,400,000 175,700,000 139,000,000 151,400,000 290,700,000 241,300,000 200,400,000 140,900,000 137,700,000 170,000,000 73,300,000 80,700,000 88,100,000 223,000,000 117,300,000 61,900,000 91,300,000 43,300,000 5,900,000 100,500,000 57,000,000 69,100,000 47,300,000 47,203,250 108,676,000 89,974,000 -9,837,000 71,299,750 71,756,000 74,098,000 139,345,000 43,447,000 94,064,000 41,031 40,021,000 55,599,250 100,332,000 107,613,000 14,452,000 57,761,000 67,520,000 
      income tax expense
    		39,900,000 39,500,000 43,500,000 46,900,000 8,700,000 35,300,000 49,500,000 48,400,000 15,900,000 46,300,000 55,700,000 42,900,000 32,700,000 33,700,000 71,200,000 58,000,000 48,000,000 32,100,000 33,700,000 41,200,000 18,000,000 19,700,000 21,200,000 54,100,000 28,000,000 14,300,000 22,100,000 10,600,000 600,000 23,000,000 12,000,000 17,300,000 8,000,000 -73,631,000 40,789,000 34,411,000 -6,811,000 23,015,000 26,265,000 27,788,000 53,471,000 15,268,000 34,043,000 14,840 17,089,000 28,561,000 37,681,000 34,381,000 5,600,000 16,583,000 25,791,000 
      net income
    		136,300,000 141,900,000 129,900,000 145,600,000 53,200,000 142,500,000 149,200,000 144,800,000 66,000,000 150,000,000 167,700,000 132,800,000 106,300,000 117,700,000 219,500,000 183,300,000 152,400,000 108,800,000 104,000,000 128,800,000 55,300,000 61,000,000 66,900,000 168,900,000 89,300,000 47,600,000 69,200,000 32,700,000 5,300,000 77,500,000 45,000,000 51,800,000 39,300,000 124,840,000 67,887,000 55,563,000 -3,026,000 43,817,000 45,491,000 46,310,000 85,874,000 66,686,000 60,531,000 26,191 22,932,000 36,379,000 62,651,000 73,232,000 9,633,000   
      yoy
    		156.20% -0.42% -12.94% 0.55% -19.39% -5.00% -11.03% 9.04% -37.91% 27.44% -23.60% -27.55% -30.25% 8.18% 111.06% 42.31% 175.59% 78.36% 55.46% -23.74% -38.07% 28.15% -3.32% 416.51% 1584.91% -38.58% 53.78% -36.87% -86.51% -37.92% -33.71% -6.77% -1398.74% 184.91% 49.23% 19.98% -103.52% -34.29% -24.85% 176716.46% 274.47% 83.31% -3.38% -99.96% 138.06%       
      qoq
    		-3.95% 9.24% -10.78% 173.68% -62.67% -4.49% 3.04% 119.39% -56.00% -10.55% 26.28% 24.93% -9.69% -46.38% 19.75% 20.28% 40.07% 4.62% -19.25% 132.91% -9.34% -8.82% -60.39% 89.14% 87.61% -31.21% 111.62% 516.98% -93.16% 72.22% -13.13% 31.81% -68.52% 83.89% 22.18% -1936.19% -106.91% -3.68% -1.77% -46.07% 28.77% 10.17% 231013.74% -99.89% -36.96% -41.93% -14.45% 660.22%    
      net income margin %
    		Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -0.10% 1.43% 1.50% 1.54% 3.45% 2.28% 1.79% 0.74% 0.77% 0.86% 1.34% 1.54% 0.23% 0% 0% 
      basic and diluted earnings per common share:
    		                                                   
      basic
    		7,360,000 7,550,000 6,830,000 7,440,000 2,670,000 7,040,000 7,300,000 7,020,000 3,170,000 7,110,000 7,830,000 6,120,000 4,890,000 5,460,000 9,460,000 7,650,000 6,180,000 4,280,000 4,030,000 4,850,000 2,040,000 2,250,000 2,300,000 5,790,000 2,950,000 1,550,000 2,200,000 1,020,000 160,000 2,390,000 1,400,000 1,590,000 1,170,000 830 1,920 1,520 -80               
      diluted
    		7,280,000 7,460,000 6,760,000 7,360,000 2,630,000 6,940,000 7,200,000 6,920,000 3,120,000 7,020,000 7,690,000 6,020,000 4,800,000 5,340,000 9,280,000 7,530,000 6,080,000 4,200,000 3,980,000 4,790,000 2,010,000 2,200,000 2,270,000 5,730,000 2,920,000 1,530,000 2,180,000 1,010,000 160,000 2,370,000 1,380,000 1,580,000 1,160,000 822.5 1,900 1,510 -80               
      weighted-average common shares outstanding
    		                                                   
      basic
    		18,518,000,000 19,303,000,000 19,029,000,000 19,546,000,000 19,929,000,000 20,533,000,000 20,440,000,000 20,643,000,000 20,814,000,000 21,493,000,000 21,401,000,000 21,686,000,000 21,739,000,000 23,506,000,000 23,206,000,000 23,952,000,000 24,655,000,000 26,210,000,000 25,779,000,000 26,579,000,000 27,131,000,000 29,132,000,000 29,111,000,000 29,181,000,000 30,235,000,000 31,594,000,000 31,447,000,000 32,112,000,000 32,206,000,000 32,674,000,000 32,213,000,000 32,550,000,000 33,698,000,000 35,816 35,423,000 36,525,000 36,880,000 39,269 38,896 39,360 40,909 43,434 42,437 44,078 45,633  45,726 46,233 46,750  46,743 
      diluted
    		18,708,000,000 19,526,000,000 19,232,000,000 19,765,000,000 20,204,000,000 20,842,000,000 20,735,000,000 20,922,000,000 21,162,000,000 21,843,000,000 21,790,000,000 22,051,000,000 22,133,000,000 23,950,000,000 23,650,000,000 24,341,000,000 25,074,000,000 26,604,000,000 26,153,000,000 26,917,000,000 27,488,000,000 29,526,000,000 29,499,000,000 29,495,000,000 30,541,000,000 31,858,000,000 31,704,000,000 32,328,000,000 32,420,000,000 32,983,000,000 32,536,000,000 32,842,000,000 34,062,000,000 36,156 35,745,000 36,861,000 36,880,000 39,646 39,174 39,720 41,255 43,794 42,760 44,409 46,036  46,090 46,527 46,884  46,759 
      supplemental information:
    		                                                   
      1 includes excise taxes of:
    		565,000,000 600,900,000 613,900,000 599,500,000 551,800,000 577,500,000 601,100,000 597,500,000                                            
      restructuring expense
    		  12,600,000                                                 
      basic and diluted earnings per common share
    		                                                   
      basic
    		7,360,000 7,550,000 6,830,000 7,440,000 2,670,000 7,040,000 7,300,000 7,020,000 3,170,000 7,110,000 7,830,000 6,120,000 4,890,000 5,460,000 9,460,000 7,650,000 6,180,000 4,280,000 4,030,000 4,850,000 2,040,000 2,250,000 2,300,000 5,790,000 2,950,000 1,550,000 2,200,000 1,020,000 160,000 2,390,000 1,400,000 1,590,000 1,170,000 830 1,920 1,520 -80               
      diluted
    		7,280,000 7,460,000 6,760,000 7,360,000 2,630,000 6,940,000 7,200,000 6,920,000 3,120,000 7,020,000 7,690,000 6,020,000 4,800,000 5,340,000 9,280,000 7,530,000 6,080,000 4,200,000 3,980,000 4,790,000 2,010,000 2,200,000 2,270,000 5,730,000 2,920,000 1,530,000 2,180,000 1,010,000 160,000 2,370,000 1,380,000 1,580,000 1,160,000 822.5 1,900 1,510 -80               
      1includes excise taxes of:
    		        558,800,000 430,250,000 582,100,000 594,200,000 544,800,000                                       
      acquisition and integration related costs
    		             350,000 400,000                                     
      petroleum product sales
    		             3,729,325,000 5,078,600,000 5,690,300,000 4,148,400,000 2,403,550,000 3,573,900,000 3,404,500,000 2,635,800,000 1,531,275,000 2,056,000,000 1,588,900,000 2,480,200,000 2,148,750,000 2,965,500,000 3,129,700,000 2,499,800,000 2,875,600,000 3,151,500,000 3,193,700,000 2,637,600,000 2,736,898,000 2,580,985,000 2,567,719,000 2,402,254,000 2,415,653,000 2,394,951,000 2,371,735,000 1,888,284,000 2,317,531,000 2,770,169,000 2,858,910 2,358,079,000 3,808,870,000 4,035,406,000 4,121,694,000 3,594,347,000 3,589,171,000 4,032,651,000 
      petroleum product cost of goods sold
    		             3,475,825,000 4,699,300,000 5,347,800,000 3,856,200,000 2,251,200,000 3,353,500,000 3,175,200,000 2,476,100,000 1,352,450,000 1,862,200,000 1,287,800,000 2,259,800,000 2,026,200,000 2,749,600,000 2,973,700,000 2,381,500,000 2,666,200,000 2,991,300,000 3,032,500,000 2,561,100,000 2,611,579,000 2,419,124,000 2,413,175,000 2,329,333,000 2,302,401,000 2,275,487,000 2,242,936,000 1,783,129,000 2,188,514,000 2,594,273,000 2,750,602 2,261,086,000 3,700,062,000 3,866,413,000 3,943,134,000 3,500,346,000 3,460,195,000 3,903,042,000 
      interest income
    		             450,000 1,400,000 400,000   100,000     200,000 800,000 800,000 800,000 900,000 700,000 700,000 200,000 300,000 300,000 478,000 466,000 318,000 47,000 104,000 144,000 250,000 80,000 269,000 20,000 15 1,873,000 10,250 13,000 13,000 15,000 272,000 354,000 
      (a) includes excise taxes of:
    		             409,600,000 569,700,000 554,700,000 514,100,000 378,725,000 520,900,000 524,400,000 469,600,000 325,175,000 447,000,000 380,300,000 473,500,000 363,125,000 498,900,000 498,300,000 455,300,000 474,100,000 464,100,000 466,300,000 434,400,000 -1,471,466,888 488,790,000 504,582,000 480,068,000 495,131 505,814 487,923 472,610 508,758 513,427 483,470 462,974 357,586.25 501,859 483,082 445,404 354,768.25 483,576 
      acquisition related costs
    		               800,000 200,000 700,000 700,000 200,000 8,800,000                               
      station and other operating expenses
    		                    177,100,000 139,300,000 142,900,000 131,800,000 135,100,000 137,500,000 143,400,000 145,600,000 132,800,000 139,400,000 139,700,000 134,800,000 127,400,000 130,321,000 130,375,000 129,433,000 124,744,000 123,410,000 127,991,000 125,145,000 116,774,000 127,920,000 121,551,000 130,472 122,175,000 72,888,000 131,887,000 133,223,000 122,477,000 54,100,000 135,317,000 
      net settlement proceeds
    		                            100,000   3,400,000 47,000,000                   
      loss on early debt extinguishment
    		                          -14,800,000                         
      revenues
    		                                                   
      total revenues
    		                                    2,999,618,000 3,055,791,000 3,042,738,000 3,005,762,000 2,490,262,000 2,928,154,000 3,382,507,000 3,517,221 2,962,515,000 4,213,023,000 4,678,775,000 4,757,949,000 4,164,334,000 3,628,573,000 4,785,740,000 
      yoy
    		                                    20.45% 4.36% -10.04% 85358.43% -15.94% -30.50% -27.71% -99.93% -28.86% 16.11% -2.24%     
      qoq
    		                                    -1.84% 0.43% 1.23% 20.70% -14.95% -13.43% 96069.87% -99.88% -29.68% -9.95% -1.66% 14.25% 14.77% -24.18%  
      costs and operating expenses
    		                                                   
      total costs and operating expenses
    		                                    2,996,738,000 2,978,825,000 2,963,457,000 2,921,299,000 2,431,107,000 2,873,785,000 3,276,115,000 3,462,999 2,921,406,000 4,198,250,000 4,569,959,000 4,640,716,000 4,141,084,000 3,593,329,000 4,719,881,000 
      income from continuing operations
    		                                     43,817,000 45,491,000 46,310,000 85,874,000 29,233,000 60,021,000 26,191 22,932,000 19,278,000 62,651,000 73,232,000 8,852,000   
      income from discontinued operations, net of taxes
    		                                         324,000 510,000   195,250   781,000   
      earnings per share - basic:
    		                                                   
      income from discontinued operations
    		                                         0.86 0.01   0.005   0.02   
      net income - basic
    		                                     1.17 1.17 1.18 2.1 1.57 1.42 0.59 0.5 0.788 1.37 1.58 0.21   
      earnings per share - diluted:
    		                                                   
      net income - diluted
    		                                     1.15 1.16 1.17 2.08 1.55 1.41 0.59 0.5 0.783 1.36 1.57 0.21   
      weighted-average shares outstanding
    		                                                   
      basic
    		18,518,000,000 19,303,000,000 19,029,000,000 19,546,000,000 19,929,000,000 20,533,000,000 20,440,000,000 20,643,000,000 20,814,000,000 21,493,000,000 21,401,000,000 21,686,000,000 21,739,000,000 23,506,000,000 23,206,000,000 23,952,000,000 24,655,000,000 26,210,000,000 25,779,000,000 26,579,000,000 27,131,000,000 29,132,000,000 29,111,000,000 29,181,000,000 30,235,000,000 31,594,000,000 31,447,000,000 32,112,000,000 32,206,000,000 32,674,000,000 32,213,000,000 32,550,000,000 33,698,000,000 35,816 35,423,000 36,525,000 36,880,000 39,269 38,896 39,360 40,909 43,434 42,437 44,078 45,633  45,726 46,233 46,750  46,743 
      diluted
    		18,708,000,000 19,526,000,000 19,232,000,000 19,765,000,000 20,204,000,000 20,842,000,000 20,735,000,000 20,922,000,000 21,162,000,000 21,843,000,000 21,790,000,000 22,051,000,000 22,133,000,000 23,950,000,000 23,650,000,000 24,341,000,000 25,074,000,000 26,604,000,000 26,153,000,000 26,917,000,000 27,488,000,000 29,526,000,000 29,499,000,000 29,495,000,000 30,541,000,000 31,858,000,000 31,704,000,000 32,328,000,000 32,420,000,000 32,983,000,000 32,536,000,000 32,842,000,000 34,062,000,000 36,156 35,745,000 36,861,000 36,880,000 39,646 39,174 39,720 41,255 43,794 42,760 44,409 46,036  46,090 46,527 46,884  46,759 
      ethanol sales and other
    		                                           86,147 80,299,000 59,409,000 82,376,000 87,995,000 67,265,000 147,172,250 196,254,000 
      ethanol cost of goods sold
    		                                           38,440 34,580,000 29,305,250 37,684,000 41,767,000 37,770,000 104,415,000 132,215,000 
      net income and comprehensive income
    		                                                 35,351,000 41,729,000 
      earnings per share:
    		                                                   
      basic
    		                                                 0.758 0.89 
      diluted
    		                                                 0.755 0.89 
      weighted-average shares outstanding:
    		                                                   
      basic
    		18,518,000,000 19,303,000,000 19,029,000,000 19,546,000,000 19,929,000,000 20,533,000,000 20,440,000,000 20,643,000,000 20,814,000,000 21,493,000,000 21,401,000,000 21,686,000,000 21,739,000,000 23,506,000,000 23,206,000,000 23,952,000,000 24,655,000,000 26,210,000,000 25,779,000,000 26,579,000,000 27,131,000,000 29,132,000,000 29,111,000,000 29,181,000,000 30,235,000,000 31,594,000,000 31,447,000,000 32,112,000,000 32,206,000,000 32,674,000,000 32,213,000,000 32,550,000,000 33,698,000,000 35,816 35,423,000 36,525,000 36,880,000 39,269 38,896 39,360 40,909 43,434 42,437 44,078 45,633  45,726 46,233 46,750  46,743 
      diluted
    		18,708,000,000 19,526,000,000 19,232,000,000 19,765,000,000 20,204,000,000 20,842,000,000 20,735,000,000 20,922,000,000 21,162,000,000 21,843,000,000 21,790,000,000 22,051,000,000 22,133,000,000 23,950,000,000 23,650,000,000 24,341,000,000 25,074,000,000 26,604,000,000 26,153,000,000 26,917,000,000 27,488,000,000 29,526,000,000 29,499,000,000 29,495,000,000 30,541,000,000 31,858,000,000 31,704,000,000 32,328,000,000 32,420,000,000 32,983,000,000 32,536,000,000 32,842,000,000 34,062,000,000 36,156 35,745,000 36,861,000 36,880,000 39,646 39,174 39,720 41,255 43,794 42,760 44,409 46,036  46,090 46,527 46,884  46,759 
    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 
                                                         
        assets
      		                                                   
        current assets
      		                                                   
        cash and cash equivalents
      		118,600,000 28,900,000 42,800,000 54,100,000 49,400,000 47,000,000 52,500,000 79,800,000 56,700,000 117,800,000 124,800,000 92,900,000 102,100,000 60,500,000 192,700,000 240,400,000 356,200,000 256,400,000 301,300,000 165,000,000 304,100,000 163,600,000 317,500,000 403,600,000 200,300,000 280,300,000 247,700,000 178,600,000 180,400,000 184,500,000 75,400,000 71,900,000 144,100,000 170,028,000 169,014,000 197,095,000 36,256,000 153,813,000 206,692,000 254,210,000 195,701,000 102,335,000 65,302,000 121,445,000 287,671,000 328,105,000 294,264,000 260,237,000 369,424,000 294,741,000 64,347,000 
        accounts receivable—trade, less allowance for doubtful accounts of 0.2 and 0.3 at 2026 and 2025, respectively
      		354,100,000                                                   
        inventories, at lower of cost or market
      		363,300,000 413,000,000 387,200,000 397,500,000 364,400,000 401,600,000 341,200,000 315,900,000 292,700,000 341,200,000 335,400,000 349,900,000 303,600,000 319,100,000 280,400,000 314,000,000  292,300,000    279,100,000 268,100,000 257,700,000 243,500,000 227,600,000 233,800,000 211,300,000 178,700,000 221,500,000 215,100,000 205,100,000 148,500,000 182,477,000 200,765,000 179,044,000 166,476,000 153,351,000 152,542,000 152,494,000 155,450,000 155,906,000 165,092,000 207,558,000 184,972,000 182,914,000 145,818,000 166,035,000 88,900,000 179,055,000 114,894,000 
        prepaid expenses and other current assets
      		35,100,000 29,700,000 29,200,000 28,500,000 30,500,000 31,000,000 31,300,000 33,400,000 31,700,000 23,700,000 27,400,000 36,700,000 27,400,000 47,600,000 32,400,000 31,100,000 28,300,000 23,400,000 27,600,000 27,800,000 24,200,000 13,700,000 14,900,000 17,700,000 22,500,000 30,000,000 19,100,000 30,100,000 26,500,000 25,300,000 19,600,000 29,000,000 27,600,000 36,521,000 13,538,000 25,233,000 37,761,000 24,871,000 29,153,000 17,066,000 11,320,000 41,173,000 11,774,000 25,872,000 10,620,000 14,772,000 16,063,000 16,474,000 15,663,000 15,439,000  
        total current assets
      		871,100,000 747,800,000 763,300,000 776,400,000 716,400,000 748,100,000 689,100,000 820,100,000 767,700,000 826,500,000 840,300,000 763,200,000 711,300,000 726,800,000 763,200,000 882,300,000 910,800,000 767,800,000 826,600,000 764,700,000 793,400,000 625,200,000 743,200,000 840,300,000 602,600,000 710,800,000 664,900,000 656,300,000 612,900,000 570,100,000 541,300,000 536,500,000 518,200,000 614,294,000 575,760,000 565,744,000 396,946,000 515,554,000 528,079,000 571,981,000 490,591,000 435,667,000 421,319,000 529,024,000 648,520,000 665,882,000 663,101,000 699,909,000 686,327,000 682,416,000 616,070,000 
        property, plant and equipment, at cost less accumulated depreciation and amortization of 2,244.3 and 2,173.5 at 2026 and 2025, respectively
      		2,981,200,000                                                   
        operating lease right of use assets
      		523,700,000  507,600,000 503,200,000 490,300,000 492,900,000 484,800,000 463,500,000 452,800,000 452,100,000 451,900,000 448,200,000 443,500,000 449,600,000 453,100,000 443,700,000 420,500,000                                   
        intangible assets, net of amortization
      		139,300,000 139,300,000 139,400,000 139,400,000 139,500,000 139,500,000 139,600,000 139,600,000 139,700,000 139,800,000 139,900,000 140,200,000 140,300,000 140,400,000 140,400,000 140,500,000 140,600,000                                   
        goodwill
      		328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 328,000,000 329,100,000 329,100,000 336,400,000                               
        other assets
      		23,100,000 21,600,000 21,000,000 20,700,000 20,200,000 19,900,000 21,000,000 20,300,000 20,600,000 17,500,000 17,700,000 17,100,000 15,700,000 14,700,000 13,200,000 13,700,000 14,700,000     192,900,000 191,000,000 186,100,000 172,500,000 169,100,000 162,500,000 156,100,000 153,400,000 42,500,000 42,400,000 41,700,000 42,100,000 37,275,000 44,337,000 44,208,000 40,630,000 40,531,000 40,489,000 27,196,000 13,675,000 12,685,000 12,992,000 13,804,000 11,007,000 15,251,000 17,462,000     
        total assets
      		4,866,400,000 4,725,800,000 4,676,600,000 4,622,200,000 4,502,500,000 4,541,600,000 4,402,400,000 4,429,900,000 4,307,000,000 4,340,100,000 4,305,300,000 4,204,800,000 4,119,200,000 4,123,200,000 4,135,100,000 4,217,800,000 4,206,200,000 4,048,200,000 4,094,300,000 3,986,100,000 3,980,600,000 2,685,700,000 2,788,200,000 2,860,700,000 2,583,400,000 2,687,200,000 2,616,700,000 2,571,300,000 2,504,400,000 2,360,800,000 2,325,600,000 2,292,800,000 2,252,500,000 2,331,039,000 2,279,507,000 2,223,186,000 2,002,736,000 2,088,740,000 2,056,829,000 2,083,846,000 2,020,535,000 1,886,241,000 1,766,493,000 1,842,034,000 1,923,267,000 1,934,257,000 1,896,350,000 1,909,835,000 1,888,965,000 1,881,242,000 1,872,009,000 
        liabilities and stockholders' equity
      		                                                   
        current liabilities
      		                                                   
        current maturities of long-term debt
      		19,200,000 19,000,000 16,600,000 14,500,000 15,600,000 15,700,000 15,700,000 15,600,000 15,300,000 15,000,000 15,000,000 14,900,000 14,700,000 15,000,000 15,200,000 14,900,000 14,900,000 15,000,000 14,800,000 14,200,000 13,200,000 51,200,000 51,200,000 51,200,000 51,200,000 38,800,000 21,300,000 21,300,000 21,300,000 21,200,000 21,200,000 21,100,000 19,900,000 19,887,000 19,719,000 14,958,000 67,210,000 40,596,000 40,471,000 30,372,000 30,295,000 222,000 182,000 122,000 77,000    16,500,000 14,000,000 48,000 
        trade accounts payable and accrued liabilities
      		1,018,600,000 865,200,000 869,200,000 915,900,000 855,600,000 874,400,000 780,300,000 924,000,000 830,000,000 834,700,000 800,600,000 800,400,000 754,200,000 839,200,000 725,000,000 836,800,000 790,800,000 660,300,000 695,500,000 670,200,000 638,400,000 471,100,000 442,800,000 461,700,000 400,600,000 466,200,000 495,600,000 557,500,000 512,000,000 456,900,000 519,600,000 529,100,000 475,000,000 513,464,000 454,074,000 394,303,000 387,641,000 473,370,000 376,897,000 401,141,000 356,871,000 390,341,000 364,706,000 456,763,000 411,903,000 386,999,000 458,614,000 524,950,000 487,770,000 433,228,000 459,246,000 
        income taxes payable
      		12,000,000 44,900,000 54,400,000 45,700,000 20,600,000 57,800,000 62,800,000 31,100,000 39,400,000 23,100,000 11,600,000  3,100,000  15,300,000 1,000,000 35,100,000  8,600,000 12,000,000 23,400,000 8,800,000 19,400,000 40,800,000 6,100,000        1,200,000  12,216,000   594,000  24,184,000 12,887,000  6,665,000 6,024,000 5,912,000 25,600,000 37,027,000 50,464,000 31,942,000 72,146,000 35,486,000 
        total current liabilities
      		1,049,800,000 929,100,000 940,200,000 976,100,000 891,800,000 947,900,000 858,800,000 970,700,000 884,700,000 872,800,000 827,200,000 815,300,000 772,000,000 854,200,000 755,500,000 852,700,000 840,800,000 675,300,000 718,900,000 696,400,000 675,000,000 531,100,000 513,400,000 553,700,000 457,900,000 505,000,000 516,900,000 578,800,000 533,300,000 478,100,000 540,800,000 550,200,000 496,100,000 533,351,000 486,009,000 409,261,000 454,851,000 514,560,000 417,368,000 455,697,000 400,053,000 392,292,000 396,237,000 472,027,000 428,418,000 413,080,000 505,094,000 584,074,000 544,001,000 526,517,000 506,398,000 
        long-term debt, including capitalized lease obligations
      		2,137,300,000 2,163,600,000 2,223,000,000 2,066,700,000 1,974,200,000 1,832,700,000 1,820,000,000 1,781,400,000 1,783,100,000 1,784,700,000 1,786,400,000 1,787,300,000 1,789,400,000 1,791,900,000 1,794,000,000 1,795,500,000 1,797,400,000 1,800,100,000 1,799,300,000 1,794,400,000 1,796,800,000 951,200,000 963,200,000 975,300,000 987,400,000 999,300,000 966,400,000 833,600,000 838,000,000 842,100,000 846,600,000 850,800,000 856,400,000 860,864,000 864,975,000 869,086,000 620,206,000 629,622,000 638,911,000 648,266,000 657,766,000 490,160,000 489,729,000 489,281,000 488,811,000       
        deferred income taxes
      		397,900,000 388,500,000 370,400,000 343,300,000 342,000,000 343,400,000 325,500,000 323,000,000 329,000,000 329,500,000 327,700,000 337,000,000 334,100,000 327,400,000 311,100,000 309,200,000 303,500,000 295,900,000 285,100,000 289,500,000 281,400,000 218,400,000 217,500,000 225,200,000 221,800,000 216,700,000 199,000,000 194,900,000 189,800,000 192,200,000 168,100,000 165,700,000 155,300,000 154,245,000 222,085,000 217,670,000 210,268,000     1,729,000 9,476,000 9,118,000 10,526,000 481,000 9,453,000 8,660,000 7,789,000 7,143,000 11,618,000 
        asset retirement obligations
      		53,300,000 52,500,000 51,400,000 50,300,000 49,300,000 49,100,000 47,400,000 46,300,000 45,800,000 46,100,000 44,000,000 43,600,000 43,900,000 43,300,000 41,100,000 40,100,000 39,300,000 39,200,000 38,100,000 37,200,000 36,700,000 35,100,000 34,000,000 33,700,000 33,200,000 32,800,000 32,300,000 31,700,000 31,200,000 30,700,000 30,000,000 29,600,000 28,500,000 28,159,000 27,489,000 26,978,000 26,283,000 26,200,000 25,637,000 25,012,000 24,635,000 24,345,000 23,702,000 23,241,000 22,702,000 22,245,000 18,424,000 18,077,000 17,605,000 17,130,000 16,713,000 
        non-current operating lease liabilities
      		532,600,000 534,600,000 513,900,000 508,400,000 494,400,000 496,300,000 487,700,000 464,600,000 452,100,000 450,300,000 449,800,000 445,300,000 439,200,000 444,200,000                                      
        deferred credits and other liabilities
      		36,800,000 34,000,000 31,700,000 31,300,000 31,200,000 32,100,000 32,900,000 32,600,000 30,700,000 27,800,000 26,100,000 25,500,000 23,800,000 21,500,000 21,100,000 22,400,000 22,200,000     165,800,000 164,400,000 154,800,000 136,300,000 130,400,000 123,100,000 116,000,000 114,300,000 10,400,000 11,200,000 10,200,000 10,900,000 16,018,000 13,856,000 19,550,000 18,360,000 16,626,000 15,125,000 19,389,000 20,647,000 25,918,000 26,154,000 28,955,000 28,650,000 29,175,000 17,713,000 18,190,000 18,508,000 18,749,000 19,023,000 
        total liabilities
      		4,207,700,000 4,102,300,000 4,130,600,000 3,976,100,000 3,782,900,000 3,701,500,000 3,572,300,000 3,618,600,000 3,525,400,000 3,511,200,000 3,461,200,000 3,454,000,000 3,402,400,000 3,482,500,000 3,369,100,000 3,455,100,000 3,414,700,000 3,241,000,000 3,269,500,000 3,228,200,000 3,200,000,000 1,901,600,000 1,892,500,000 1,942,700,000 1,836,600,000 1,884,200,000 1,837,700,000 1,755,000,000 1,706,600,000 1,553,500,000 1,596,700,000 1,606,500,000 1,547,200,000 1,592,637,000 1,614,414,000 1,542,545,000 1,329,968,000 1,391,664,000 1,297,642,000 1,325,934,000 1,294,921,000 1,093,951,000 1,043,053,000 1,122,717,000 1,082,069,000 1,075,552,000 1,137,810,000 1,216,347,000 1,220,785,000 1,224,906,000 1,308,541,000 
        stockholders' equity
      		                                                   
        preferred stock, par 0.01
      		                                                   
        common stock
      		500,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000 500,000  500,000 500,000 500,000                                       
        treasury stock
      		-4,092,100,000 -4,031,700,000 -3,966,000,000 -3,745,900,000 -3,534,100,000 -3,391,300,000 -3,265,900,000 -3,139,400,000 -3,033,700,000  -2,795,900,000 -2,733,100,000 -2,638,300,000                                 -51,073,000 -49,915,000 -50,021,000    
        additional paid in capital
      		453,500,000 482,400,000 469,300,000 469,100,000 466,500,000 487,500,000 484,700,000 479,300,000 479,600,000 508,100,000 502,700,000 505,800,000 501,700,000 518,900,000 514,900,000 513,100,000 516,700,000 534,800,000 530,500,000 528,400,000 525,600,000 533,300,000 530,000,000 533,000,000 530,200,000 538,700,000 536,400,000 534,400,000 531,900,000 539,000,000 539,400,000 546,100,000 544,800,000 549,910,000 547,949,000 545,887,000 544,777,000 555,338,000 550,376,000 551,977,000 549,551,000 558,182,000 556,085,000 553,677,000 551,374,000 557,871,000 554,895,000 552,600,000 550,503,000 548,293,000 549,054,000 
        retained earnings
      		4,296,800,000 4,172,300,000 4,042,200,000 3,922,400,000 3,786,700,000 3,743,400,000 3,610,800,000 3,470,900,000 3,335,200,000 3,278,100,000 3,136,800,000 2,977,700,000 2,853,200,000 2,755,100,000 2,645,300,000 2,433,300,000 2,257,600,000 2,112,400,000 2,011,000,000 1,913,600,000 1,791,500,000 1,743,100,000 1,689,100,000 1,622,200,000 1,453,300,000 1,362,900,000 1,315,300,000 1,246,100,000 1,213,400,000 1,208,100,000 1,130,600,000 1,085,600,000 1,033,800,000 994,535,000 869,695,000 801,808,000 746,245,000 749,271,000 705,454,000 659,963,000 613,653,000 527,779,000 461,093,000 400,562,000 374,371,000 351,439,000 253,092,000 190,441,000 117,209,000 107,576,000 13,947,000 
        total stockholders' equity
      		658,700,000 623,500,000 546,000,000 646,100,000 719,600,000 840,100,000 830,100,000 811,300,000 781,600,000 828,900,000 844,100,000 750,800,000 716,800,000 640,700,000 766,000,000 762,700,000 791,500,000 807,200,000 824,800,000 757,900,000 780,600,000 784,100,000 895,700,000 918,000,000 746,800,000 803,000,000 779,000,000 816,300,000 797,800,000 807,300,000 728,900,000 686,300,000 705,300,000 738,402,000 665,093,000 680,641,000 672,768,000 697,076,000 759,187,000 757,912,000 725,614,000 792,290,000 723,440,000 719,317,000 841,198,000 858,705,000 758,540,000 693,488,000 668,180,000   
        total liabilities and stockholders' equity
      		4,866,400,000 4,725,800,000 4,676,600,000 4,622,200,000 4,502,500,000 4,541,600,000 4,402,400,000 4,429,900,000 4,307,000,000 4,340,100,000 4,305,300,000 4,204,800,000 4,119,200,000 4,123,200,000 4,135,100,000 4,217,800,000 4,206,200,000 4,048,200,000 4,094,300,000 3,986,100,000 3,980,600,000 2,685,700,000 2,788,200,000 2,860,700,000 2,583,400,000 2,687,200,000 2,616,700,000 2,571,300,000 2,504,400,000 2,360,800,000 2,325,600,000 2,292,800,000 2,252,500,000 2,331,039,000 2,279,507,000 2,223,186,000 2,002,736,000 2,088,740,000 2,056,829,000 2,083,846,000 2,020,535,000 1,886,241,000 1,766,493,000 1,842,034,000 1,923,267,000 1,934,257,000 1,896,350,000 1,909,835,000 1,888,965,000   
        accounts receivable—trade, less allowance for doubtful accounts of 0.3 in 2025 and 2024, respectively
      		 276,200,000                                                  
        property, plant and equipment, at cost less accumulated depreciation and amortization of 2,173.5 in 2025 and 1,931.4 in 2024, respectively
      		 2,962,800,000                                                  
        operating lease right-of-use assets
      		 526,300,000                                                  
        preferred stock, par 0.01,
      		                                                   
        accounts receivable—trade, less allowance for doubtful accounts of 0.3 and 0.3 at 2025 and 2024, respectively
      		  304,100,000                                                 
        property, plant and equipment, at cost less accumulated depreciation and amortization of 2,106.3 and 1,931.4 at 2025 and 2024, respectively
      		  2,917,300,000                                                 
        accounts receivable—trade, less allowance for doubtful accounts of 0.4 and 0.3 at 2025 and 2024, respectively
      		   296,300,000                                                
        property, plant and equipment, at cost less accumulated depreciation and amortization of 2,042.9 and 1,931.4 at 2025 and 2024, respectively
      		   2,854,500,000                                                
        accounts receivable—trade, less allowance for doubtful accounts of 0.7 and 0.3 at 2025 and 2024, respectively
      		    272,100,000                                               
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,988.5 and 1,931.4 at 2025 and 2024, respectively
      		    2,808,100,000                                               
        marketable securities, current
      		      1,500,000 4,500,000 6,100,000 7,100,000 8,500,000 13,000,000 13,500,000 17,900,000                                      
        accounts receivable—trade, less allowance for doubtful accounts of 0.3 in 2024 and 1.3 in 2023, respectively
      		     268,500,000                                              
        marketable securities, non-current
      		       3,000,000 4,500,000 4,400,000 7,400,000 7,400,000 4,400,000 4,400,000                                      
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,931.4 in 2024 and 1,739.2 in 2023, respectively
      		     2,813,200,000                                              
        accounts receivable—trade, less allowance for doubtful accounts of 0.6 and 1.3 at 2024 and 2023, respectively
      		      262,600,000 386,500,000                                            
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,868.7 and 1,739.2 at 2024 and 2023, respectively
      		      2,739,900,000                                             
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,824.9 and 1,739.2 at 2024 and 2023, respectively
      		       2,655,400,000                                            
        accounts receivable—trade, less allowance for doubtful accounts of 1.3 at 2024 and 2023, respectively
      		        380,500,000                                           
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,784.2 and 1,739.2 at 2024 and 2023, respectively
      		        2,593,700,000                                           
        accounts receivable—trade, less allowance for doubtful accounts of 1.3 in 2023 and 0.3 in 2022, respectively
      		         336,700,000                                          
        property, plant and equipment, at cost less accumulated depreciation
      		                                                   
        and amortization of 1,739.2 in 2023 and 1,553.1 in 2022, respectively
      		         2,571,800,000                                          
        preferred stock, par 0.01, (authorized 20,000,000 shares,
      		                                                   
        none outstanding)
      		                                                   
        46,767,164 shares issued at december 31, 2023 and 2022, respectively)
      		         500,000                                          
        december 31, 2023 and 2022, respectively)
      		         -2,957,800,000                                          
        accumulated other comprehensive income
      		           -100,000 -300,000 -500,000 -700,000 -800,000 -1,000,000 -1,200,000 -1,300,000 -1,500,000 -1,700,000 -1,900,000 -2,100,000 -2,500,000 -2,000,000 700,000                          
        accounts receivable—trade, less allowance for doubtful accounts of 1.5 and 0.3 at 2023 and 2022, respectively
      		          344,200,000                                         
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,694.2 and 1,553.1 at 2023 and 2022, respectively
      		          2,520,100,000                                         
        accounts receivable—trade, less allowance for doubtful accounts of 0.8 and 0.3 at 2023 and 2022, respectively
      		           270,700,000                                        
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,656.3 and 1,553.1 at 2023 and 2022, respectively
      		           2,500,700,000                                        
        accounts receivable—trade, less allowance for doubtful accounts of 0.3 at 2023 and 2022, respectively
      		            264,700,000                                       
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,602.5 and 1,553.1 at 2023 and 2022, respectively
      		            2,476,000,000                                       
        accounts receivable—trade, less allowance for doubtful accounts of 0.3 in 2022 and 0.1 in 2021, respectively
      		             281,700,000                                      
        and amortization of 1,553.1 in 2022 and 1,373.4 in 2021, respectively
      		             2,459,300,000                                      
        46,767,164 shares issued at december 31, 2022 and 2021, respectively)
      		             500,000                                      
        december 31, 2022 and 2021, respectively)
      		             -2,633,300,000                                      
        accounts receivable—trade, less allowance for doubtful accounts of 0.1 at 2022 and 2021
      		              257,700,000 296,800,000 260,400,000                                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,506.7 and 1,373.4 at 2022 and 2021, respectively
      		              2,437,200,000                                     
        non current operating lease liabilities
      		              446,300,000 435,200,000 411,500,000                                   
        preferred stock, par 0.01 (authorized 20,000,000 shares,
      		                                                   
        46,767,164 shares issued at 2022 and 2021, respectively)
      		              500,000 500,000 500,000                                   
        2022 and 2021, respectively)
      		              -2,394,000,000 -2,183,400,000 -1,982,300,000                                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,471.8 and 1,373.4 at 2022 and 2021, respectively
      		               2,409,600,000                                    
        inventories
      		                265,900,000  289,300,000 311,700,000 283,000,000                               
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,428.2 and 1,373.4 at 2022 and 2021, respectively
      		                2,391,600,000                                   
        accounts receivable—trade, less allowance for doubtful accounts of 0.1 in 2021 and 2020
      		                 195,700,000                                  
        and amortization of 1,373.4 in 2021 and 1,191.4 in 2020
      		                 2,378,400,000                                  
        operating lease right of use assets, net*
      		                 419,200,000 412,800,000 396,100,000 395,600,000                               
        intangible assets, net of amortization*
      		                 140,700,000 141,100,000 141,200,000 141,300,000                               
        other assets*
      		                 14,100,000 13,400,000 12,900,000 12,500,000                               
        non-current operating lease liabilities*
      		                 408,900,000                                  
        deferred credits and other liabilities*
      		                 21,600,000 26,200,000 26,800,000 27,800,000                               
        46,767,164 shares issued at december 31, 2021 and 2020)
      		                 500,000                                  
        december 31, 2021 and 2020, respectively)
      		                 -1,839,300,000                                  
        accounts receivable—trade, less allowance for doubtful accounts of 0.1 at 2021 and 2020
      		                  208,400,000 260,200,000 182,100,000                               
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,321.3 at 2021 and 1,191.4 at 2020
      		                  2,371,300,000                                 
        non current operating lease liabilities*
      		                  401,900,000 383,900,000 382,300,000                               
        46,767,164 shares issued at 2021 and 2020, respectively)
      		                  500,000 500,000 500,000                               
        2021 and 2020, respectively)
      		                  -1,715,900,000 -1,683,100,000 -1,535,300,000                               
        *prior year amounts have been reclassified to conform with current period presentation
      		                                                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,286.3 at 2021 and 1,191.4 at 2020
      		                   2,342,100,000                                
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,233.6 at 2021 and 1,191.4 at 2020
      		                    2,301,400,000                               
        *prior year amounts have been revised to conform with current period presentation
      		                                                   
        accounts receivable—trade, less allowance for doubtful accounts of 0.1 in 2020 and 1.2 in 2019
      		                     168,800,000   136,300,000                           
        and amortization of 1,191.4 in 2020 and 1,079.2 in 2019
      		                     1,867,600,000                              
        46,767,164 shares issued at december 31, 2020 and 2019, respectively)
      		                     500,000                              
        december 31, 2020 and 2019, respectively)
      		                     -1,490,900,000                              
        accounts receivable—trade, less allowance for doubtful accounts of 0.1 at 2020 and 1.2 at 2019
      		                      142,700,000 161,300,000                            
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,151.3 at 2020 and 1,079.2 at 2019
      		                      1,854,000,000                             
        46,767,164 shares issued at 2020 and 2019, respectively)
      		                      500,000 500,000 500,000                           
        2020 and 2019, respectively)
      		                      -1,321,800,000 -1,235,200,000 -1,235,200,000                           
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,143.6 at 2020 and 1,079.2 at 2019
      		                       1,834,300,000                            
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,107.3 in 2020 and 1,079.2 in 2019
      		                        1,808,300,000                           
        accounts receivable—trade, less allowance for doubtful accounts of 1.2 in 2019 and 1.1 in 2018
      		                         172,900,000 164,300,000                         
        and amortization of 1,079.2 in 2019 and 974.2 in 2018
      		                         1,807,300,000                          
        46,767,164 shares issued at december 31, 2019 and 2018, respectively)
      		                         500,000                          
        december 31, 2019 and 2018, respectively)
      		                         -1,099,800,000                          
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,074.8 in 2019 and 974.2 in 2018
      		                          1,789,300,000                         
        46,767,164 shares issued at 2019 and 2018, respectively)
      		                          500,000 500,000 500,000                       
        2019 and 2018, respectively)
      		                          -1,073,200,000 -964,700,000 -948,000,000                       
        accounts receivable—trade, less allowance for doubtful accounts of 1.1 in 2019 and in 2018
      		                           236,300,000 227,300,000                       
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,040.4 in 2019 and 974.2 in 2018
      		                           1,758,900,000                        
        property, plant and equipment, at cost less accumulated depreciation and amortization of 1,013.3 in 2019 and 974.2 in 2018
      		                            1,738,100,000                       
        accounts receivable—trade, less allowance for doubtful accounts of 1.1 in 2018 and 2017
      		                             138,800,000                      
        property, plant and equipment, at cost less accumulated depreciation and amortization of 974.2 in 2018 and 874.7 in 2017
      		                             1,748,200,000                      
        46,767,164 shares issued at december 31, 2018 and 2017, respectively)
      		                             500,000                      
        december 31, 2018 and 2017, respectively)
      		                             -940,300,000                      
        accounts receivable—trade, less allowance for doubtful accounts of 1.1 in 2018 and in 2017
      		                              231,200,000 230,500,000 198,000,000                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 944.4 in 2018 and 874.7 in 2017
      		                              1,741,900,000                     
        46,767,164 shares issued at 2018 and 2017, respectively)
      		                              500,000 500,000 500,000                   
        2018 and 2017, respectively)
      		                              -941,600,000 -945,900,000 -873,800,000                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 927.4 in 2018 and 874.7 in 2017
      		                               1,714,600,000                    
        property, plant and equipment, at cost less accumulated depreciation and amortization of 905.7 in 2018 and 874.7 in 2017
      		                                1,691,100,000                   
        restricted cash
      		                                1,100,000       53,853,000 130,932,000 68,571,000          
        accounts receivable—trade, less allowance for doubtful accounts of 1,094 in 2017 and 1,891 in 2016
      		                                 225,268,000 192,443,000                 
        property, plant and equipment, at cost less accumulated depreciation and amortization of 874,675 in 2017 and 780,426 in 2016
      		                                 1,679,470,000                  
        46,767,164 shares issued at december 31, 2017 and 2016, respectively)
      		                                 468,000                  
        december 31, 2017 and 2016, respectively)
      		                                 -806,511,000                  
        property, plant and equipment, at cost less accumulated depreciation and amortization of 846,212 in 2017 and 780,426 in 2016
      		                                  1,659,410,000                 
        46,767,164 and 46,767,164 shares issued at
      		                                                   
        2017 and 2016, respectively)
      		                                  468,000 468,000 468,000               
        september 30, 2017 and december 31, 2016, respectively)
      		                                  -753,019,000                 
        accounts receivable—trade, less allowance for doubtful accounts of 1,921 in 2017 and 1,891 in 2016
      		                                   164,372,000                
        property, plant and equipment, at cost less accumulated depreciation and amortization of 818,409 in 2017 and 780,426 in 2016
      		                                   1,613,234,000                
        june 30, 2017 and december 31, 2016, respectively)
      		                                   -667,522,000                
        accounts receivable—trade, less allowance for doubtful accounts of 1,891 in 2017 and 1,891 in 2016
      		                                    156,453,000               
        property, plant and equipment, at cost less accumulated depreciation and amortization of 792,912 in 2017 and 780,426 in 2016
      		                                    1,565,160,000               
        march 31, 2017 and december 31, 2016, respectively)
      		                                    -618,722,000               
        accounts receivable—trade, less allowance for doubtful accounts of 1,891 in 2016 and 1,963 in 2015
      		                                     183,519,000              
        property, plant and equipment, at cost less accumulated depreciation and amortization of 780,426 in 2016 and 724,486 in 2015
      		                                     1,532,655,000              
        2016 and 2015, respectively)
      		                                     468,000 468,000 468,000 468,000           
        december 31, 2016 and december 31, 2015, respectively)
      		                                     -608,001,000              
        accounts receivable—trade, less allowance for doubtful accounts of 1,988 in 2016 and 1,963 in 2015
      		                                      139,692,000 148,211,000            
        property, plant and equipment, at cost less accumulated depreciation and amortization of 756,305 in 2016 and 724,486 in 2015
      		                                      1,488,261,000             
        september 30, 2016 and december 31, 2015, respectively)
      		                                      -497,111,000             
        property, plant and equipment, at cost less accumulated depreciation and amortization of 732,114 in 2016 and 724,486 in 2015
      		                                       1,430,816,000            
        june 30, 2016 and december 31, 2015, respectively)
      		                                       -454,496,000            
        accounts receivable—trade, less allowance for doubtful accounts of 1,982 in 2016 and 1,963 in 2015
      		                                        128,120,000           
        property, plant and equipment, at cost less accumulated depreciation and amortization of 714,150 in 2016 and 724,486 in 2015
      		                                        1,385,337,000           
        march 31, 2016 and december 31, 2015, respectively)
      		                                        -438,058,000           
        accounts receivable—trade, less allowance for doubtful accounts of 1,963 in 2015 and 4,456 in 2014
      		                                         136,253,000          
        current assets held for sale
      		                                          34,943,000         
        property, plant and equipment, at cost less accumulated depreciation and amortization of 724,486 in 2015 and 663,067 in 2014
      		                                         1,369,318,000          
        current liabilities held for sale
      		                                          15,208,000         
        2015 and 2014, respectively)
      		                                         468,000 468,000 468,000 468,000       
        december 31, 2015 and december 31, 2014, respectively)
      		                                         -294,139,000          
        accounts receivable—trade, less allowance for doubtful accounts of 4,456 in 2015 and 4,456 in 2014
      		                                          144,208,000 174,149,000 165,257,000       
        property, plant and equipment, at cost less accumulated depreciation and amortization of 707,119 in 2015 and 663,067 in 2014
      		                                          1,332,182,000         
        noncurrent assets held for sale
      		                                                   
        september 30, 2015 and december 31, 2014, respectively)
      		                                          -294,206,000         
        property, plant and equipment, at cost less accumulated depreciation and amortization of 760,916 in 2015 and 730,202 in 2014
      		                                           1,299,206,000        
        june 30, 2015 and december 31, 2014, respectively)
      		                                           -235,390,000        
        property, plant and equipment, at cost less accumulated depreciation and amortization of 746,804 in 2015 and 730,202 in 2014
      		                                            1,263,740,000       
        march 31, 2015 and december 31, 2014, respectively)
      		                                            -85,015,000       
        accounts receivable—trade, less allowance for doubtful accounts of 4,456 in 2014 and 4,456 in 2013
      		                                             140,091,000 206,956,000 257,163,000 212,340,000   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 730,202 in 2014 and 655,360 in 2013
      		                                             1,253,124,000      
        long-term debt
      		                                             492,443,000 492,227,000 492,012,000 530,295,000 547,578,000 642,449,000 
        46,767,164 issued and 46,743,633 shares issued and
      		                                                   
        outstanding at 2014 and 2013, respectively)
      		                                             468,000 468,000 468,000    
        property, plant and equipment, at cost less accumulated depreciation and amortization of 711,125 in 2014 and 655,360 in 2013
      		                                              1,215,787,000     
        property, plant and equipment, at cost less accumulated depreciation and amortization of 693,012 in 2014 and 655,360 in 2013
      		                                               1,204,044,000    
        deferred charges and other assets
      		                                               5,882,000 8,265,000 8,103,000 7,307,000 
        46,765,221 issued and 46,743,633 shares issued and
      		                                                   
        property, plant and equipment, at cost less accumulated depreciation and amortization of 673,764 in 2014 and 655,360 in 2013
      		                                                1,194,373,000   
        46,756,190 and 46,743,633 shares issued and outstanding
      		                                                   
        at 2014 and 2013, respectively)
      		                                                468,000   
        accounts receivable—trade, less allowance for doubtful accounts
      		                                                   
        of 4,456 in 2013 and 4,576 in 2012
      		                                                 193,181,000  
        property, plant and equipment, at cost less accumulated depreciation and amortization of 655,360 in 2013 and 590,568 in 2012
      		                                                 1,190,723,000  
        liabilities and stockholders' equity/net investment
      		                                                   
        stockholders' equity/net investment
      		                                                   
        december 31, 2013, 46,743,633 shares issued and
      		                                                   
        outstanding at december 31, 2013)
      		                                                 467,000  
        net investment by parent
      		                                                   
        total stockholders' equity/net investment
      		                                                 656,336,000 563,468,000 
        total liabilities and stockholders' equity/net investment
      		                                                 1,881,242,000 1,872,009,000 
        marketable securities
      		                                                  198,152,000 
        of 4,548 in 2013 and 4,576 in 2012
      		                                                  225,736,000 
        prepaid expenses
      		                                                  12,941,000 
        property, plant and equipment, at cost less accumulated depreciation and amortization of 656,604 in 2013 and 590,568 in 2012
      		                                                  1,248,632,000 
        september 30, 2013, 46,743,316 shares issued and
      		                                                   
        outstanding at september 30, 2013)
      		                                                  467,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 
                                                          
          operating activities
        		                                                  
          net income
        		136,300,000 141,900,000 129,900,000 145,600,000 53,200,000 142,500,000 149,200,000 144,800,000 66,000,000 150,000,000 167,700,000 132,800,000 106,300,000 117,700,000 219,500,000 183,300,000 152,400,000 108,800,000 104,000,000 128,800,000 55,300,000 61,000,000 66,900,000 168,900,000 89,300,000 47,600,000 69,200,000 32,700,000 5,300,000 77,500,000 45,000,000 51,800,000 39,300,000 124,840,000 67,887,000 55,563,000 -3,026,000 43,817,000 45,491,000 46,310,000 85,874,000 66,686,000 60,531,000 26,191,000 22,932,000 98,347,000 62,651,000 73,232,000 9,633,000 93,629,000 
          adjustments to reconcile net income to net cash provided (required) by operating activities
        		                                                  
          depreciation and amortization
        		72,100,000 72,700,000 69,900,000 66,000,000 68,200,000 67,200,000 62,800,000 59,300,000 58,700,000 57,000,000 57,500,000 57,800,000 56,400,000 55,900,000 54,400,000 54,700,000 55,400,000 55,100,000 53,200,000 53,300,000 51,000,000 41,500,000 40,600,000 39,500,000 39,400,000 38,400,000 37,600,000 36,500,000 39,700,000 35,000,000 34,200,000 33,000,000 31,800,000 33,452,000 28,989,000 27,513,000 27,012,000 25,863,000 25,576,000 23,685,000 23,486,000 22,555,000 21,518,000 21,317,000 21,178,000 20,259,000 19,629,000 19,685,000 19,661,000 15,628,000 
          deferred and noncurrent income tax charges
        		9,300,000 18,100,000 27,100,000 1,300,000 -1,400,000 18,000,000 2,500,000 -6,000,000 -500,000 1,900,000 -9,300,000 2,800,000 6,600,000 16,500,000 1,900,000 5,600,000 7,500,000 11,800,000 -4,500,000 8,000,000 3,700,000 800,000 -7,700,000 3,500,000 5,900,000 16,800,000 4,200,000 5,100,000 -2,400,000 24,000,000 2,500,000 10,300,000 1,100,000 -67,840,000 4,415,000 7,402,000 5,612,000 2,771,000 23,031,000 -14,250,000 28,855,000         5,210,000 
          restructuring expense, net of cash paid
        		-200,000 -7,000,000                                                 
          accretion of asset retirement obligations
        		900,000 800,000 900,000 800,000 900,000 800,000 800,000 800,000 800,000 800,000 700,000 700,000 800,000 700,000 600,000 700,000 700,000 600,000 600,000 700,000 600,000 600,000 600,000 500,000 600,000 500,000 600,000 500,000 500,000 500,000 500,000 500,000 500,000 450,000 447,000 446,000 442,000 414,000 411,000            
          losses from sale of assets
        		-300,000 2,600,000 -100,000 0 300,000 3,100,000 400,000 1,400,000 -400,000 200,000 500,000 -100,000 200,000  -300,000                                    
          net decrease in noncash operating working capital
        		95,100,000  -63,300,000 36,800,000 300,000  -23,800,000 51,600,000 4,200,000  -35,600,000 -31,200,000 -30,400,000  -29,000,000 -71,100,000 118,900,000 -29,400,000 94,900,000 -90,700,000 108,000,000 -10,900,000 -25,400,000 48,900,000 -25,700,000 -45,000,000 -3,200,000 -2,200,000 1,700,000 18,100,000 -11,200,000 -40,600,000 36,000,000 21,320,000 26,444,000 -4,319,000 -80,399,000 48,344,000 -52,045,000 32,580,000 24,847,000 -13,392,000 -19,302,000 -6,081,000 -7,811,000  -8,144,000 -65,886,000 84,752,000  
          other operating activities - net
        		6,800,000 18,000,000 7,800,000 4,600,000 7,000,000 8,200,000 10,200,000 8,900,000 7,300,000 8,500,000 8,500,000 8,400,000 9,800,000 6,400,000 7,900,000 6,000,000 4,300,000 4,600,000 8,300,000 800,000 11,400,000 2,800,000 10,900,000 8,200,000 4,300,000 3,400,000 3,700,000 4,200,000 3,200,000 1,800,000 3,600,000 3,400,000 -1,000,000 4,513,000 -2,316,000 -86,000 914,000 5,975,000 -1,573,000 2,461,000 2,904,000 3,989,000 -2,582,000 5,491,000 2,519,000      
          net cash provided (required) by operating activities
        		320,000,000 245,500,000 184,800,000 255,100,000 128,500,000 248,700,000 202,100,000 260,800,000 136,000,000 273,100,000 190,000,000 171,200,000 149,700,000                                      
          investing activities
        		                                                  
          property additions
        		-98,300,000 -116,700,000 -117,100,000 -118,000,000 -87,800,000 -127,000,000 -136,900,000 -118,000,000 -76,200,000 -111,000,000 -79,400,000 -72,500,000 -72,700,000 -82,200,000 -78,200,000 -80,900,000 -64,000,000 -63,100,000 -74,800,000 -83,200,000 -53,600,000 -61,300,000 -63,700,000 -59,100,000 -46,600,000 -51,100,000 -67,100,000 -56,100,000 -30,500,000 -41,300,000 -60,700,000 -53,600,000 -48,700,000 -56,725,000 -67,382,000 -68,253,000 -65,897,000 -63,233,000 -82,342,000 -69,286,000 -47,283,000 -53,704,000 -60,554,000 -58,752,000 -32,215,000 -54,201,000 -31,633,000 -29,315,000 -23,739,000 -42,465,000 
          proceeds from sale of assets
        		200,000 100,000 500,000 1,500,000 300,000 100,000 300,000 600,000 1,000,000 100,000 500,000   300,000 400,000   2,400,000 200,000 500,000 300,000 400,000 100,000 7,400,000 200,000 100,000 1,000,000 300,000 1,100,000 0 0 100,000 1,100,000 198,000 -26,000 260,000 455,000 326,000 -1,297,000 287,000 86,011,000 4,000 634,000 9,000 82,000 97,000 0 0 279,000 39,000 
          other investing activities - net
        		-400,000 1,800,000 -300,000 -100,000 -200,000 500,000 -900,000 -100,000 -700,000 -200,000 -400,000 -200,000 -800,000 0 0 -200,000 -400,000 200,000 -800,000 -300,000 -900,000 -100,000 -500,000 -300,000 -800,000 -100,000 -200,000 -400,000 -100,000 -100,000 -1,000,000 -200,000 -4,700,000 -138,000 -456,000   -75,000 -13,750,000 -13,838,000 -1,300,000          
          net cash provided (required) by investing activities
        		-98,500,000 -114,800,000 -116,900,000 -116,600,000 -87,700,000 -124,900,000 -131,500,000 -114,500,000 -74,900,000 -106,600,000 -74,700,000 -73,300,000 -69,000,000                                      
          financing activities
        		                                                  
          purchase of treasury stock
        		-70,500,000 -66,900,000 -219,200,000 -213,800,000 -150,000,000 -128,000,000 -125,200,000 -106,100,000 -86,400,000 -160,500,000 -64,800,000 -94,200,000 -13,700,000 -239,500,000 -211,500,000 -203,600,000 -151,800,000 -123,500,000 -33,200,000 -148,300,000 -50,000,000 -169,100,000 -89,900,000 0 -140,600,000 -26,700,000 -109,000,000 -16,800,000 -13,300,000 0 0 -72,700,000 -71,700,000 -53,983,000 -85,672,000 -48,926,000 -17,411,000 -110,944,000 -45,223,000 -17,095,000 -150,010,000 0 -58,861,000 -150,399,000 -39,435,000 -1,327,000 0    
          dividends paid
        		-11,700,000 -11,800,000 -10,100,000 -9,800,000 -9,800,000 -9,700,000 -9,200,000 -9,100,000 -8,800,000 -8,700,000 -8,400,000 -8,200,000 -8,100,000 -7,800,000 -7,500,000 -7,400,000 -7,200,000 -7,400,000 -6,400,000 -6,700,000 -6,800,000                              
          borrowings of debt
        		590,000,000 453,100,000 746,900,000 1,112,300,000 670,000,000 362,000,000 225,000,000   0 0 0 8,000,000     0 0 0 892,800,000     50,100,000         0 296,250,000 42,500,000  0            
          repayments of debt
        		-617,800,000 -518,300,000 -593,100,000 -1,013,000,000 -530,000,000 -351,000,000 -187,900,000 -123,900,000 -3,900,000 -3,800,000 -3,900,000 -3,900,000 -11,800,000 -8,800,000 -3,800,000 -3,800,000 -3,800,000 -3,800,000 -3,600,000 -2,500,000 -214,400,000 -12,800,000 -12,900,000 -12,900,000 -300,000 -300,000 -562,400,000 -5,300,000 -5,400,000  -5,300,000 -5,300,000 -5,300,000  -233,000 -99,723,000 -26,178,000  -116,000            
          amounts related to share-based compensation
        		-21,800,000 -700,000 -3,600,000 -600,000 -18,600,000 -2,600,000 -600,000 -4,100,000 -23,100,000 -500,000 -6,300,000 -800,000 -13,500,000 -200,000 -2,100,000 -5,300,000 -12,200,000 -100,000 -300,000 -500,000 -5,800,000 0 -5,100,000 0 -5,600,000 -100,000 -100,000 -300,000 -4,000,000 -1,400,000 -4,600,000 -500,000 -2,900,000 -319,000 -71,000 -80,000 -5,079,000 1,237,000 -1,158,000 -108,000 -4,129,000 -39,000 -6,000 -123,000 -2,907,000 94,000     
          net cash provided (required) by financing activities
        		-131,800,000 -144,600,000 -79,200,000 -133,800,000 -38,400,000 -129,300,000 -97,900,000 -123,200,000 -122,200,000 -173,500,000 -83,400,000 -107,100,000 -39,100,000                                      
          net increase in cash, cash equivalents, and restricted cash
        		89,700,000  -11,300,000 4,700,000 2,400,000  -27,300,000 23,100,000 -61,100,000  31,900,000 -9,200,000 41,600,000  -47,700,000 -115,800,000 99,800,000  136,300,000 -139,100,000 140,500,000  -86,100,000 203,300,000 -80,000,000  69,100,000 -1,800,000 -4,100,000                      
          cash, cash equivalents, and restricted cash at beginning of period
        		28,900,000  0 0 47,000,000  0 0 117,800,000  0 0 60,500,000  0 0 256,400,000  0 0 163,600,000  0 0 280,300,000 0 0 0 184,500,000 0 0 0 170,000,000                  
          cash, cash equivalents, and restricted cash at end of period
        		118,600,000  -11,300,000 4,700,000 49,400,000  -27,300,000 23,100,000 56,700,000  31,900,000 -9,200,000 102,100,000  -47,700,000 -115,800,000 356,200,000  136,300,000 -139,100,000 304,100,000  -86,100,000 203,300,000 200,300,000 32,600,000 69,100,000 -1,800,000 180,400,000 109,100,000 3,500,000 -73,300,000 145,200,000                  
          impairment of properties
        		                                                  
          amortization of discount on marketable securities
        		     -100,000 0 0 -100,000                                          
          net (increases) decrease in noncash operating working capital
        		                                                  
          investment in marketable securities
        		         -1,500,000 -2,900,000                                        
          redemptions of marketable securities
        		     1,500,000 6,000,000 3,000,000 1,000,000 6,000,000 7,500,000 6,000,000 4,500,000                                      
          debt issuance costs
        		 0 -100,000               0 -1,000,000 -100,000 -8,800,000     -1,000,000        0 -165,000   0 0 -126,000 -3,114,000 0    75,000 -851,000 -36,000 -63,000 -44,000 
          net increase in cash, cash equivalents and restricted cash
        		                                                  
          cash, cash equivalents and restricted cash at january 1
        		                                                  
          cash, cash equivalents and restricted cash at december 31
        		                                                  
          adjustments to reconcile net income to net cash from operating activities
        		                                                  
          adjustments to reconcile net income to net cash from (required by) operating activities
        		                                                  
          payments for acquisition, net of cash acquired
        		                 0 0 1,000,000 -642,100,000                              
          pretax losses from sale of assets
        		                 -1,100,000 -300,000 100,000 -200,000 100,000 0 -1,300,000 -100,000 0 -200,000 0 100,000 400,000 500,000 500,000 -300,000 524,000 58,000 -130,000 3,498,000 428,000 335,000 490,000 -89,465,000 567,000 4,072,000        
          net change in cash, cash equivalents, and restricted cash
        		                                                  
          cash, cash equivalents, and restricted cash at january 1
        		                             0 0 0 170,000,000                  
          cash, cash equivalents, and restricted cash at december 31
        		                                                  
          net cash from (required by) operating activities
        		              255,000,000 177,300,000 339,200,000  256,200,000 101,000,000 229,800,000  85,900,000 268,200,000 113,700,000  126,700,000 76,800,000 48,100,000  75,100,000 58,900,000 107,400,000    -45,947,000              
          net cash from (required by) investing activities
        		              -77,800,000 -73,000,000 -64,400,000  -75,400,000 -82,000,000 -696,300,000  -64,100,000 -52,000,000 -47,200,000  -66,300,000 -56,200,000 -29,500,000  -61,700,000 -53,700,000 -52,300,000                  
          net cash from (required by) financing activities
        		              -224,900,000 -220,100,000 -175,000,000  -44,500,000 -158,100,000 607,000,000  -107,900,000 -12,900,000 -146,500,000  8,700,000 -22,400,000 -22,700,000  -9,900,000 -78,500,000 -79,900,000    -6,168,000   -27,421,000 42,674,000          
          loss on early debt extinguishment
        		                         0                         
          net cash from operating activities
        		                                 117,259,000 125,924,000   127,612,000 41,226,000 91,688,000 76,914,000 66,996,000 71,026,000 43,398,000 34,418,000 89,132,000 77,887,000 25,726,000 112,837,000 -13,258,000 
          capital expenditures
        		                                 0 0   0 0 0 0 0 0 0 0 0 0 0 0 0 
          free cash flows
        		                                 117,259,000 125,924,000   127,612,000 41,226,000 91,688,000 76,914,000 66,996,000 71,026,000 43,398,000 34,418,000 89,132,000 77,887,000 25,726,000 112,837,000 -13,258,000 
          net cash required by investing activities
        		                                 -56,665,000 -67,864,000 -72,136,000 -65,442,000 -60,627,000 -42,247,000 -5,758,000 -26,222,000  -67,064,000 -59,071,000 -32,495,000  -42,876,000 -29,315,000 -23,091,000  
          early debt extinguishment costs
        		                         0                         
          net cash required by financing activities
        		                                     -119,864,000    -96,000 -58,968,000 -150,553,000 -42,357,000 -1,158,000 -984,000 -105,598,000 -15,063,000 -84,395,000 
          reconciliation of cash, cash equivalents and restricted cash
        		                                                  
          cash and cash equivalents at beginning of period
        		                         0 0 0 184,500,000 0 0 0 170,000,000                  
          restricted cash at beginning of period
        		                                                  
          cash and cash equivalents at end of period
        		                         32,600,000 69,100,000 -1,800,000 180,400,000 109,100,000 3,500,000 -72,200,000 144,100,000                  
          restricted cash at end of period
        		                                1,100,000                  
          changes in restricted cash
        		                                     0 55,142,000 77,079,000 -63,650,000          
          other
        		                                         -2,498,000         
          repayments of long-term debt
        		                                         -57,000 -43,000 -31,000 -15,000 0 0 -55,000,000 -15,000,000 -81,136,000 
          additions to long-term debt
        		                                                 0 
          net change in cash and cash equivalents
        		                                                  
          net increase in cash and cash equivalents
        		                              3,500,000 -73,300,000 -24,800,000  -28,081,000 160,839,000 -117,557,000  -47,518,000 58,509,000 93,366,000   -166,226,000 -40,434,000 33,841,000 34,027,000 -109,187,000 74,683,000 230,394,000 
          cash, cash equivalents, and restricted cash at september 30
        		                                                  
          cash, cash equivalents, and restricted cash at june 30
        		                                                  
          cash, cash equivalents, and restricted cash at march 31
        		                                145,200,000                  
          loss from discontinued operations, net of taxes
        		                                                  
          net cash from continuing operations
        		                                     127,612,000 41,226,000 91,688,000 76,914,000 95,831,000 60,078,000 43,398,000 34,418,000 89,132,000 77,887,000 25,726,000 112,703,000  
          net cash from discontinued operations
        		                                         -28,835,000    0 0    
          investing activities of discontinued operations
        		                                                  
          sales proceeds
        		                                             0 0 0 1,097,000  
          cash and cash equivalents at january 1
        		                                 0 0 0 153,813,000 0 0 0 102,335,000 0 0 0 328,105,000 0 0 0 294,741,000 0 
          cash and cash equivalents of continuing operations at december 31
        		                                                  
          cash and cash equivalents at september 30
        		                                                  
          net cash from financing activities
        		                                                  
          cash and cash equivalents at june 30
        		                                                  
          cash and cash equivalents at march 31
        		                                    36,256,000    195,701,000    287,671,000    369,424,000  
          cash and cash equivalents at december 31
        		                                                  
          less: cash and cash equivalents held for sale
        		                                                  
          cash and cash equivalents of continuing operations at september 30
        		                                                  
          cash and cash equivalents of continuing operations at june 30
        		                                                  
          accretion on discounted liabilities
        		                                        413,000 384,000 380,000 379,000 378,000 303,000 300,000 300,000 297,000 275,000 
          net change in long-term debt
        		                                        199,927,000          
          cash and cash equivalents of continuing operations at march 31
        		                                        195,701,000          
          cash dividend to former parent
        		                                                 0 
          net distributions to former parent
        		                                                  
          income from discontinued operations, net of taxes
        		                                              0 0 -781,000  
          deferred and noncurrent income tax credits
        		                                          -2,542,000 -4,276,000 -5,121,000  358,000 -6,382,000 -4,556,000  
          purchase of intangible assets
        		                                                  
          net decrease in cash and cash equivalents
        		                                                  
          amortization of deferred major repair costs
        		                                           354,000 347,000 341,000 319,000 264,000 169,000 -238,000 
          expenditures for major repairs
        		                                           -328,000 -362,000 -29,000 -612,000 0 -728,000 332,000 
          pretax gains from sale of assets
        		                                              0 0 -170,000  
          (income) income from discontinued operations, net of taxes
        		                                                  
          pretax (gains) losses from sale of assets
        		                                                  
          net decrease (increase) in noncash operating working capital
        		                                                  
          other operating activities-net
        		                                              2,774,000 4,513,000 3,698,000 1,318,000 
          other investing activities-net
        		                                                  
          net distributions to parent
        		                                                  
          amounts related to share-based compensation activities
        		                                                  
          net cash from (required by) discontinued operations
        		                                                134,000  
          net (purchases) maturities of marketable securities
        		                                                  
          other inventory activities-net