MDU Resources Group, Inc(NYSE:MDU) 
MDU Resources Group, Inc. engages in the regulated energy delivery, and construction materials and services businesses in the United States. The company's Electric segment generates, transmits, and distributes electricity for residential, commercial, industrial, and municipal customers in Montana, N...
Website: http://www.mdu.com
Founded: 1924
Full Time Employees: 13,359
Sector: Basic Materials
Industry: Building Materials
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At a glance:
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Quarterly
Annual
| Unit: USD | 2026-03-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | 2009-12-31 | 2009-09-30 | 2009-06-30 | 2009-03-31 | 2008-12-31 | 2008-09-30 | 2008-06-30 | 2008-06-15 | 2008-03-31 | 2007-12-31 | 2007-09-30 | 2007-06-30 | 2007-03-31 | 2006-12-31 | 2006-09-30 | 2006-06-30 | 2006-03-31 | 2005-12-31 | 2005-09-30 |
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operating revenues | 605,977,000 | 315,036,000 | 351,186,000 | 674,833,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
operating expenses: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
purchased natural gas sold | 239,391,000 | 58,514,000 | 96,057,000 | 317,157,000 | 223,834,000 | 53,377,000 | 94,591,000 | 258,602,000 | 200,117,000 | 55,967,000 | 115,866,000 | 371,015,000 | 313,356,000 | 61,863,000 | 115,312,000 | 267,353,000 | 202,534,000 | 41,135,000 | 63,213,000 | 176,237,000 | 136,489,000 | 31,524,000 | 56,844,000 | 165,412,000 | 151,006,000 | 31,843,000 | 54,866,000 | 183,829,000 | 133,834,000 | 32,123,000 | 56,228,000 | 181,967,000 | 147,018,000 | 33,319,000 | 57,668,000 | 192,948,000 | 139,958,000 | 34,321,000 | 47,439,000 | 161,035,000 | 144,801,000 | 37,574,000 | 66,589,000 | 202,960,000 | 193,017,000 | 47,718,000 | 84,415,000 | 244,892,000 | 199,797,000 | 35,826,000 | 70,255,000 | 199,187,000 | 146,182,000 | 35,199,000 | 58,411,000 | 185,428,000 | 175,861,000 | 50,102,000 | 101,538,000 | 244,686,000 | 185,430,000 | 51,243,000 | 97,441,000 | 233,691,000 | 219,183,000 | 57,598,000 | 106,401,000 | 356,496,000 | 278,590,000 | 65,626,000 | 145,060,000 | 145,060,000 | 276,624,000 | 177,388,000 | 60,887,000 | 40,294,000 | 98,835,000 | 74,012,000 | 28,648,000 | 39,361,000 | 126,960,000 | 135,783,000 | 33,235,000 |
electric fuel and purchased power | 46,067,000 | 41,098,000 | 34,891,000 | 43,748,000 | 53,605,000 | 25,210,000 | 29,716,000 | 32,617,000 | 34,126,000 | 28,966,000 | 20,432,000 | 24,356,000 | 23,637,000 | 20,080,000 | 21,929,000 | 26,361,000 | 17,889,000 | 19,486,000 | 18,109,000 | 18,621,000 | 16,384,000 | 15,450,000 | 14,567,000 | 20,540,000 | 22,144,000 | 18,717,000 | 19,393,000 | 26,304,000 | 21,811,000 | 18,406,000 | 17,983,000 | 22,511,000 | 21,180,000 | 18,906,000 | 16,752,000 | ||||||||||||||||||||||||||||||||||||||||||||||||
operation and maintenance | 114,905,000 | 101,762,000 | 112,887,000 | 111,047,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
depreciation and amortization | 54,179,000 | 52,046,000 | 51,853,000 | 51,261,000 | 32,287,000 | 56,160,000 | 55,882,000 | 55,750,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
taxes, other than income | 35,730,000 | 21,776,000 | 25,166,000 | 38,757,000 | -35,723,000 | 38,328,000 | 44,618,000 | 58,992,000 | 39,459,000 | 39,454,000 | 49,706,000 | 80,890,000 | 58,035,000 | 56,267,000 | 61,551,000 | 67,484,000 | 47,635,000 | 48,096,000 | 53,189,000 | 62,534,000 | 50,056,000 | 50,501,000 | 52,584,000 | 64,112,000 | 48,033,000 | 46,128,000 | 47,953,000 | 54,029,000 | 40,381,000 | 38,647,000 | 40,757,000 | 48,854,000 | 39,400,000 | 38,882,000 | 40,953,000 | 47,438,000 | 34,962,000 | 36,128,000 | 37,562,000 | 44,014,000 | 32,193,000 | 32,914,000 | 35,478,000 | 47,483,000 | 41,905,000 | 45,504,000 | 49,431,000 | 55,721,000 | 42,575,000 | 45,804,000 | 47,382,000 | 52,597,000 | 44,123,000 | 41,090,000 | 42,953,000 | 47,975,000 | 41,332,000 | 39,410,000 | 42,516,000 | 49,665,000 | 39,932,000 | 37,229,000 | 40,397,000 | 45,795,000 | 37,347,000 | 37,476,000 | 38,822,000 | 52,952,000 | 45,414,000 | 46,626,000 | 53,518,000 | 53,518,000 | 54,522,000 | 44,053,000 | 39,747,000 | 37,312,000 | 32,262,000 | 31,957,000 | 32,476,000 | 33,137,000 | 33,042,000 | 31,870,000 | 32,910,000 |
total operating expenses | 490,272,000 | 275,196,000 | 320,854,000 | 561,970,000 | -1,503,053,000 | 959,712,000 | 957,799,000 | 1,077,878,000 | 994,499,000 | 916,191,000 | 1,009,095,000 | 1,662,865,000 | 1,682,988,000 | 1,767,355,000 | 1,600,351,000 | 1,349,216,000 | 1,320,929,000 | 1,396,844,000 | 1,285,968,000 | 1,142,774,000 | 1,239,270,000 | 1,383,578,000 | 1,224,674,000 | 1,140,303,000 | 1,247,993,000 | 1,374,329,000 | 1,206,262,000 | 1,026,973,000 | 1,091,523,000 | 1,140,783,000 | 990,605,000 | 906,917,000 | 1,039,695,000 | 1,116,171,000 | 987,960,000 | 870,813,000 | 904,612,000 | 1,061,883,000 | 954,983,000 | 863,401,000 | 1,007,093,000 | 1,170,757,000 | 940,887,000 | 1,392,857,000 | 1,053,582,000 | 1,193,690,000 | 995,112,000 | 939,949,000 | 1,037,307,000 | 1,135,909,000 | 969,217,000 | 827,073,000 | 1,190,672,000 | 1,207,553,000 | 876,248,000 | 781,750,000 | 939,171,000 | 1,032,760,000 | 848,454,000 | 823,739,000 | 912,377,000 | 1,016,961,000 | 817,782,000 | 751,848,000 | 889,045,000 | 947,654,000 | 857,975,000 | ||||||||||||||||
operating income | 115,705,000 | 39,840,000 | 30,332,000 | 112,863,000 | -50,855,000 | 90,804,000 | 89,746,000 | 135,947,000 | 140,821,000 | 84,604,000 | 82,031,000 | 74,472,000 | 176,190,000 | 209,851,000 | 120,570,000 | 67,343,000 | 122,196,000 | 189,169,000 | 137,689,000 | 85,164,000 | 145,889,000 | 203,711,000 | 138,254,000 | 57,070,000 | 130,220,000 | 189,470,000 | 97,311,000 | 64,218,000 | 118,351,000 | 140,004,000 | 73,992,000 | 69,376,000 | 125,544,000 | 156,377,000 | 79,679,000 | 67,112,000 | 111,486,000 | 146,684,000 | 88,965,000 | 41,752,000 | 55,392,000 | 109,743,000 | 45,328,000 | -474,347,000 | 109,622,000 | 176,765,000 | 98,934,000 | 102,904,000 | 147,117,000 | 149,873,000 | 91,378,000 | 104,531,000 | -109,529,000 | -34,035,000 | 91,714,000 | 71,057,000 | 126,578,000 | 119,421,000 | 82,303,000 | 78,066,000 | 130,174,000 | 108,962,000 | 88,662,000 | 82,929,000 | 127,484,000 | 160,273,000 | 100,065,000 | -540,919,000 | -17,323,000 | 203,297,000 | 198,491,000 | 198,491,000 | 127,572,000 | 156,210,000 | 179,156,000 | 142,785,000 | 78,969,000 | 131,389,000 | 184,562,000 | 124,399,000 | 91,101,000 | 119,794,000 | 149,595,000 |
yoy | -327.52% | -56.13% | -66.20% | -16.98% | -136.11% | 7.33% | 9.40% | 82.55% | -20.07% | -59.68% | -31.96% | 10.59% | 44.19% | 10.93% | -12.43% | -20.93% | -16.24% | -7.14% | -0.41% | 49.23% | 12.03% | 7.52% | 42.07% | -11.13% | 10.03% | 35.33% | 31.52% | -7.43% | -5.73% | -10.47% | -7.14% | 3.37% | 12.61% | 6.61% | -10.44% | 60.74% | 101.27% | 33.66% | 96.27% | -108.80% | -49.47% | -37.92% | -54.18% | -560.96% | -25.49% | 17.94% | 8.27% | -1.56% | -234.32% | -540.35% | -0.37% | 47.11% | -186.53% | -128.50% | 11.43% | -8.98% | -2.76% | 9.60% | -7.17% | -5.86% | 2.11% | -32.01% | -11.40% | -115.33% | -835.92% | -21.16% | -49.59% | -372.52% | -113.58% | 30.14% | 10.79% | 39.01% | 61.55% | 18.89% | -2.93% | 14.78% | -13.32% | 9.68% | 23.37% | ||||
qoq | 190.42% | 31.35% | -73.12% | -321.93% | -156.01% | 1.18% | -33.98% | -3.46% | 66.45% | 3.14% | 10.15% | -57.73% | -16.04% | 74.05% | 79.04% | -44.89% | -35.40% | 37.39% | 61.68% | -41.62% | -28.38% | 47.35% | 142.25% | -56.17% | -31.27% | 94.71% | 51.53% | -45.74% | -15.47% | 89.22% | 6.65% | -44.74% | -19.72% | 96.26% | 18.73% | -39.80% | -24.00% | 64.88% | 113.08% | -24.62% | -49.53% | 142.11% | -109.56% | -532.71% | -37.98% | 78.67% | -3.86% | -30.05% | -1.84% | 64.01% | -12.58% | -195.44% | 221.81% | -137.11% | 29.07% | -43.86% | 5.99% | 45.10% | 5.43% | -40.03% | 19.47% | 22.90% | 6.91% | -34.95% | -20.46% | 60.17% | -118.50% | 3022.55% | -108.52% | 2.42% | 0.00% | 55.59% | -18.33% | -12.81% | 25.47% | 80.81% | -39.90% | -28.81% | 48.36% | 36.55% | -23.95% | -19.92% | |
other income | 2,605,000 | 7,298,000 | 9,945,000 | 4,997,000 | -920,000 | 13,838,000 | 14,662,000 | 13,787,000 | 12,421,000 | 8,918,000 | 9,959,000 | 10,868,000 | 9,256,000 | 4,769,000 | -4,246,000 | -2,400,000 | 8,106,000 | 5,930,000 | 9,027,000 | 3,354,000 | 13,042,000 | 4,612,000 | 10,063,000 | 3,590,000 | 3,014,000 | 1,615,000 | 7,595,000 | 1,216,000 | 2,683,000 | 1,599,000 | 582,000 | 1,294,000 | 1,011,000 | 782,000 | 1,017,000 | 1,294,000 | 1,741,000 | 872,000 | 1,246,000 | 12,971,000 | 3,498,000 | 2,320,000 | 2,324,000 | 2,410,000 | 2,644,000 | 2,777,000 | 2,132,000 | 1,765,000 | 2,326,000 | 1,436,000 | 1,242,000 | 2,592,000 | 1,702,000 | 1,249,000 | 1,098,000 | 1,430,000 | 1,282,000 | 1,908,000 | 1,900,000 | 1,089,000 | 1,740,000 | 2,686,000 | 2,502,000 | 2,255,000 | 2,923,000 | 2,435,000 | 1,719,000 | 2,090,000 | 395,000 | -37,000 | -37,000 | 1,565,000 | 2,648,000 | 3,456,000 | 883,000 | 1,332,000 | 2,377,000 | 4,502,000 | 2,912,000 | 2,398,000 | 2,987,000 | 1,751,000 | |
interest expense | 32,685,000 | 26,417,000 | 25,445,000 | 26,822,000 | 21,567,000 | 29,466,000 | 28,609,000 | 28,706,000 | 31,767,000 | 32,129,000 | 26,459,000 | 38,020,000 | 34,532,000 | 31,369,000 | 28,113,000 | 25,260,000 | 23,760,000 | 23,389,000 | 23,381,000 | 23,453,000 | 23,387,000 | 23,761,000 | 24,818,000 | 24,553,000 | 24,493,000 | 25,258,000 | 25,429,000 | 23,407,000 | 22,412,000 | 20,955,000 | 20,800,000 | 20,447,000 | 20,810,000 | 20,909,000 | 20,766,000 | 20,303,000 | 20,483,000 | 22,278,000 | 22,219,000 | 23,776,000 | 23,204,000 | 22,946,000 | 23,790,000 | 23,149,000 | 22,104,000 | 22,425,000 | 21,516,000 | 20,971,000 | 20,605,000 | 21,012,000 | 21,427,000 | 20,874,000 | 19,770,000 | 19,840,000 | 17,650,000 | 19,439,000 | 19,712,000 | 19,589,000 | 20,036,000 | 22,017,000 | 21,061,000 | 20,944,000 | 20,490,000 | 20,516,000 | 21,399,000 | 20,945,000 | 20,759,000 | 20,997,000 | 23,765,000 | 19,921,000 | 19,186,000 | 19,186,000 | 18,656,000 | 18,309,000 | 19,074,000 | 17,478,000 | 17,376,000 | 18,693,000 | 20,240,000 | 19,159,000 | 14,084,000 | 14,184,000 | 14,207,000 |
income before income taxes | 85,625,000 | 20,721,000 | 14,832,000 | 91,038,000 | -73,342,000 | 75,176,000 | 75,799,000 | 121,028,000 | 137,861,000 | 91,543,000 | 205,551,000 | 47,320,000 | 150,914,000 | 183,251,000 | 88,211,000 | 39,683,000 | 106,542,000 | 171,710,000 | 123,335,000 | 65,065,000 | 135,544,000 | 184,562,000 | 123,499,000 | 31,512,000 | 109,317,000 | 167,226,000 | 73,497,000 | 48,406,000 | 90,837,000 | 121,732,000 | 54,791,000 | 49,511,000 | 106,028,000 | 136,479,000 | 59,695,000 | 47,826,000 | 92,297,000 | 126,147,000 | 67,618,000 | 19,222,000 | 45,159,000 | 90,295,000 | 23,858,000 | -495,172,000 | 90,230,000 | 156,887,000 | 79,898,000 | 84,116,000 | 128,525,000 | 131,126,000 | 71,380,000 | 84,588,000 | 19,970,500 | -49,785,000 | 75,698,000 | 53,969,000 | 110,729,000 | 101,940,000 | 65,124,000 | 58,433,000 | 134,048,000 | 92,286,000 | 73,118,000 | 67,098,000 | 83,819,000 | -38,102,000 | 185,638,000 | 181,307,000 | 181,307,000 | 112,306,000 | 142,291,000 | 175,320,000 | 130,220,000 | 64,979,000 | 116,980,000 | 171,653,000 | 111,052,000 | 82,617,000 | 110,271,000 | 138,939,000 | |||
income taxes | 4,678,000 | 2,371,000 | 655,000 | 8,571,000 | -30,784,000 | 13,017,000 | 15,225,000 | 20,130,000 | -32,838,000 | 13,325,000 | 57,918,000 | 8,977,000 | 33,936,000 | 35,318,000 | 17,579,000 | 7,950,000 | 20,060,000 | 32,748,000 | 23,164,000 | 12,949,000 | 23,412,000 | 31,547,000 | 23,657,000 | 5,973,000 | 14,513,000 | 31,098,000 | 10,352,000 | 7,317,000 | 14,856,000 | 14,363,000 | 10,716,000 | 7,551,000 | -9,365,000 | 46,930,000 | 15,290,000 | 12,188,000 | 25,751,000 | 37,761,000 | 21,320,000 | 4,558,000 | 13,083,000 | 36,895,000 | 9,801,000 | -185,727,000 | 10,151,000 | 54,769,000 | 27,118,000 | 27,932,000 | 37,177,000 | 46,576,000 | 24,988,000 | 27,996,000 | 6,129,000 | -20,253,000 | 26,691,000 | 18,079,000 | 36,642,000 | 37,840,000 | 19,889,000 | 15,904,000 | 41,747,000 | 31,276,000 | 24,180,000 | 25,326,000 | 38,051,000 | 51,957,000 | 28,508,000 | -214,607,000 | -26,835,000 | 67,256,000 | 65,800,000 | 65,800,000 | 41,255,000 | 47,444,000 | 70,823,000 | 48,184,000 | 23,572,000 | 34,447,000 | 61,555,000 | 39,610,000 | 29,371,000 | 37,004,000 | 51,716,000 |
income from continuing operations | 80,947,000 | 18,350,000 | 14,177,000 | 82,467,000 | -42,558,000 | 62,159,000 | 60,574,000 | 100,898,000 | 170,699,000 | 78,218,000 | 147,633,000 | 38,343,000 | 116,978,000 | 147,933,000 | 70,632,000 | 31,733,000 | 86,482,000 | 138,962,000 | 100,171,000 | 52,116,000 | 112,132,000 | 153,015,000 | 99,842,000 | 25,539,000 | 94,804,000 | 136,128,000 | 63,145,000 | 41,089,000 | 75,981,000 | 107,369,000 | 44,075,000 | 41,960,000 | 115,393,000 | 89,549,000 | 44,405,000 | 35,638,000 | 66,546,000 | 88,386,000 | 46,298,000 | 14,664,000 | 32,076,000 | 53,400,000 | 14,057,000 | -309,445,000 | 80,079,000 | 102,118,000 | 52,780,000 | 56,184,000 | 91,348,000 | 84,550,000 | 46,392,000 | 56,592,000 | 13,841,500 | -29,532,000 | 49,007,000 | 35,890,000 | 74,087,000 | 64,100,000 | 45,235,000 | 42,529,000 | -11,267,000 | 118,382,000 | 115,507,000 | 115,507,000 | 71,051,000 | 94,847,000 | 104,497,000 | 82,036,000 | 41,407,000 | 82,533,000 | 110,098,000 | ||||||||||||
discontinued operations, net of tax | -130,000 | -39,000 | -397,000 | -502,000 | 97,716,000 | 2,456,000 | -138,000 | 34,000 | -3,289,000 | -16,941,000 | 10,000 | 110,000 | 38,000 | 35,000 | 0.01 | -1,290 | 40 | 30 | 10 | 30 | -10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net income | 80,817,000 | 18,311,000 | 13,780,000 | 81,965,000 | 55,158,000 | 64,615,000 | 60,436,000 | 100,898,000 | 170,733,000 | 74,929,000 | 130,692,000 | 38,353,000 | 117,088,000 | 147,971,000 | 70,667,000 | 31,763,000 | 86,534,000 | 139,276,000 | 100,190,000 | 52,131,000 | 112,294,000 | 153,078,000 | 99,703,000 | 25,130,000 | 95,065,000 | 137,637,000 | 61,825,000 | 40,926,000 | 78,828,000 | 107,251,000 | 43,802,000 | 42,437,000 | 115,312,000 | 87,351,000 | 41,215,000 | 37,325,000 | 82,986,000 | 13,829,000 | -237,358,000 | -309,445,000 | 82,750,000 | 102,121,000 | 53,327,000 | 56,139,000 | 91,290,000 | 84,432,000 | 46,333,000 | 56,515,000 | 15,058,250 | -29,671,000 | 54,113,000 | 35,790,000 | 61,007,000 | 63,974,000 | 45,067,000 | 42,977,000 | 88,940,000 | 61,010,000 | 48,938,000 | 41,772,000 | 72,634,000 | 92,584,000 | 55,311,000 | -343,803,000 | -11,267,000 | 118,382,000 | 115,507,000 | 115,507,000 | 71,051,000 | 94,722,000 | 201,262,000 | 89,475,000 | 46,662,000 | 82,581,000 | 108,487,000 | 71,442,000 | 53,246,000 | 73,267,000 | 87,223,000 | ||||
yoy | 46.52% | -71.66% | -77.20% | -18.76% | -67.69% | -13.77% | -53.76% | 163.08% | 45.82% | -49.36% | 84.94% | 20.75% | 35.31% | 6.24% | -29.47% | -39.07% | -22.94% | -9.02% | 0.49% | 107.45% | 18.12% | 11.22% | 61.27% | -38.60% | 20.60% | 28.33% | 41.15% | -3.56% | -31.64% | 22.78% | 6.28% | 13.70% | 5.26% | 169.90% | -104.47% | -545.10% | -651.21% | -9.35% | 20.95% | 15.10% | -0.67% | 506.25% | -384.56% | -14.38% | 57.91% | -75.32% | -146.38% | 20.07% | -16.72% | -31.41% | 4.86% | -7.91% | 2.88% | 22.45% | -34.10% | -11.52% | -112.15% | -744.66% | -21.79% | -52.11% | -397.65% | -115.86% | 24.98% | -42.61% | 29.09% | 52.27% | 14.70% | 85.52% | 25.24% | -12.37% | 12.71% | 24.38% | |||||||||||
qoq | 341.36% | 32.88% | -83.19% | 48.60% | -14.64% | 6.91% | -40.10% | -40.90% | 127.86% | -42.67% | 240.76% | -67.24% | -20.87% | 109.39% | 122.48% | -63.29% | -37.87% | 39.01% | 92.19% | -53.58% | -26.64% | 53.53% | 296.75% | -73.57% | -30.93% | 122.62% | 51.07% | -48.08% | -26.50% | 144.85% | 3.22% | -63.20% | 32.01% | 111.94% | 10.42% | -23.30% | -473.95% | -18.97% | 91.50% | -5.01% | -38.50% | 8.12% | 82.23% | -18.02% | 275.31% | -150.75% | -154.83% | 51.20% | -41.33% | -4.64% | 41.95% | 4.86% | -51.68% | 45.78% | 24.67% | 17.16% | -42.49% | -21.55% | 67.39% | -116.09% | 2951.42% | -109.52% | 2.49% | 0.00% | 62.57% | -24.99% | -52.94% | 124.94% | 91.75% | -43.50% | -23.88% | 51.85% | 34.17% | -27.33% | -16.00% | ||||||||
earnings per share - basic: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per share - basic | 0.39 | 0.09 | 0.07 | 0.4 | 0.27 | 0.32 | 0.3 | 0.5 | 0.84 | 0.37 | 0.64 | 0.19 | 0.58 | 0.73 | 0.35 | 0.16 | 0.43 | 0.68 | 0.5 | 0.26 | 0.56 | 0.76 | 0.5 | 0.13 | 0.303 | 0.69 | 0.31 | 0.21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per share - diluted: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per share - diluted | 0.39 | 0.09 | 0.07 | 0.4 | 0.26 | 0.32 | 0.3 | 0.49 | 0.83 | 0.37 | 0.64 | 0.19 | 0.58 | 0.73 | 0.35 | 0.16 | 0.43 | 0.68 | 0.5 | 0.26 | 0.56 | 0.76 | 0.5 | 0.13 | 0.303 | 0.69 | 0.31 | 0.21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
weighted-average common shares outstanding - basic | 205,438 | 204,331 | 204,331 | 204,142 | 203,867 | 203,888 | 203,888 | 203,779 | 203,640 | 203,638 | 203,635 | 203,624 | 203,358 | 203,351 | 203,351 | 203,351 | 202,076 | 202,863 | 201,345 | 200,708 | 200,502 | 200,522 | 200,522 | 200,440 | 198,612,000 | 199,343 | 198,270 | 196,401 | 195,720,000 | 196,018,000 | 195,524,000 | 195,304,000 | 195,304,000 | 195,304,000 | 195,304,000 | 195,304,000 | 195,299,000 | 195,304,000 | 195,304,000 | 195,284,000 | 194,928,000 | 195,151,000 | 194,805,000 | 194,479,000 | 192,507,000 | 193,949,000 | 192,060,000 | 189,820,000 | 188,855,000 | 188,831,000 | 188,831,000 | 188,831,000 | 188,826,000 | 188,831,000 | 188,831,000 | 188,811,000 | 188,763,000 | 180,234,000 | 118,910,000 | ||||||||||||||||||||||||
weighted-average common shares outstanding - diluted | 206,994 | 205,285 | 205,211 | 204,959 | 204,653 | 204,678 | 204,582 | 204,187 | 203,938 | 203,886 | 203,877 | 203,910 | 203,462 | 203,644 | 203,401 | 203,391 | 202,383 | 203,190 | 201,693 | 200,952 | 200,571 | 200,619 | 200,539 | 200,456 | 198,626,000 | 199,383 | 198,287 | 196,414 | 196,150,000 | 196,265,000 | 196,169,000 | 195,982,000 | 195,687,000 | 195,783,000 | 195,973,000 | 196,023,000 | 195,618,000 | 195,811,000 | 195,699,000 | 195,284,000 | 194,986,000 | 195,169,000 | 194,838,000 | 194,479,000 | 192,587,000 | 194,300,000 | 192,659,000 | 190,432,000 | 189,693,000 | 189,638,000 | 189,463,000 | 189,222,000 | 188,826,000 | 188,831,000 | 189,107,000 | 189,182,000 | 188,905,000 | 181,392,000 | 119,660,000 | ||||||||||||||||||||||||
operating revenues: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
electric, natural gas distribution and regulated pipeline | 303,153,750 | 286,053,000 | 340,544,000 | 586,017,000 | 495,678,000 | 279,534,000 | 340,492,000 | 673,757,000 | 595,231,000 | 263,614,000 | 323,457,000 | 553,456,000 | 450,326,000 | 237,065,000 | 260,568,000 | 442,381,000 | 378,995,000 | 210,115,000 | 241,353,000 | 418,682,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
non-regulated pipeline, construction services and other | 524,817,750 | 764,463,000 | 707,001,000 | 627,808,000 | 639,642,000 | 721,261,000 | 750,634,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total operating revenues | 827,971,500 | 1,050,516,000 | 1,047,545,000 | 1,213,825,000 | 1,135,320,000 | 1,000,795,000 | 1,091,126,000 | 1,737,337,000 | 1,859,178,000 | 1,977,206,000 | 1,720,921,000 | 1,416,559,000 | 1,443,125,000 | 1,586,013,000 | 1,423,657,000 | 1,227,938,000 | 1,385,159,000 | 1,587,289,000 | 1,362,928,000 | 1,197,373,000 | 1,378,213,000 | 1,563,799,000 | 1,303,573,000 | 1,091,191,000 | 1,209,874,000 | 1,280,787,000 | 1,064,597,000 | 976,293,000 | 1,165,239,000 | 1,272,548,000 | 1,067,639,000 | 937,925,000 | 1,016,098,000 | 1,208,567,000 | 1,043,948,000 | 905,153,000 | 1,062,485,000 | 1,280,500,000 | 986,215,000 | 918,510,000 | 1,163,204,000 | 1,370,455,000 | 1,094,046,000 | 1,042,853,000 | 1,184,424,000 | 1,285,782,000 | 1,060,595,000 | 931,604,000 | 1,081,143,000 | 1,173,518,000 | 967,962,000 | 852,807,000 | 1,065,749,000 | 1,152,181,000 | 930,757,000 | 901,805,000 | 1,042,551,000 | 1,125,923,000 | 906,444,000 | 834,777,000 | 1,016,529,000 | 1,107,927,000 | 958,040,000 | ||||||||||||||||||||
operation and maintenance: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total operation and maintenance | 547,886,750 | 786,637,000 | 732,992,000 | 671,917,000 | 666,076,000 | 738,658,000 | 769,593,000 | 1,104,742,000 | 1,207,307,000 | 1,546,852,000 | 1,316,801,000 | 907,897,000 | 976,270,000 | 1,212,898,000 | 1,077,796,000 | 811,659,000 | 964,073,000 | 1,214,019,000 | 1,029,171,000 | 821,000,000 | 958,730,000 | 1,212,620,000 | 1,021,031,000 | 702,914,000 | 836,590,000 | 996,591,000 | 822,084,000 | 600,856,000 | 779,749,000 | 972,909,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized gain on retained shares in knife river | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
depreciation, depletion and amortization | 39,719,250 | 53,146,000 | 53,498,000 | 81,862,000 | 80,653,000 | 82,293,000 | 84,758,000 | 80,121,000 | 76,601,000 | 75,229,000 | 73,661,000 | 73,723,000 | 72,268,000 | 72,084,000 | 71,508,000 | 69,239,000 | 68,080,000 | 65,021,000 | 63,019,000 | 59,897,000 | 58,907,000 | 55,016,000 | 53,553,000 | 52,729,000 | 52,348,000 | 52,155,000 | 51,658,000 | 51,325,000 | 53,092,000 | 54,094,000 | 54,248,000 | 60,259,000 | 62,761,000 | 57,817,000 | 54,154,000 | 95,507,000 | 95,188,000 | 103,497,000 | 103,126,000 | 99,557,000 | 98,040,000 | 99,966,000 | 95,289,000 | 93,561,000 | 98,347,000 | 91,850,000 | 83,627,000 | 85,380,000 | 86,534,000 | 88,897,000 | 83,290,000 | 84,674,000 | 83,777,000 | 84,841,000 | 81,547,000 | 78,678,000 | 77,301,000 | 79,547,000 | 80,449,000 | 93,245,000 | 95,885,000 | 93,226,000 | 89,678,000 | 89,678,000 | 87,231,000 | 83,686,000 | 78,400,000 | 70,044,000 | 69,802,000 | 67,908,000 | 71,312,000 | 69,105,000 | 63,377,000 | 63,650,000 | 60,580,000 | ||||||||
unrealized gain on investment in knife river | 42,542,500 | 30,150,000 | 140,020,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
non-regulated pipeline, construction materials and contracting, construction services and other | 1,063,580,000 | 1,263,947,000 | 1,713,592,000 | 1,397,464,000 | 863,103,000 | 992,799,000 | 1,348,948,000 | 1,163,089,000 | 785,557,000 | 1,006,164,000 | 1,377,174,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income from discontinued operations, net of tax | 30,000 | 52,000 | 314,000 | 19,000 | 15,000 | 162,000 | 63,000 | 261,000 | 1,509,000 | 2,847,000 | 477,000 | 1,687,000 | -251,415,000 | 2,671,000 | 3,000 | 547,000 | -59,000 | 8,700,000 | -139,000 | 5,106,000 | -100,000 | 38,500 | -126,000 | -168,000 | 448,000 | -125,000 | 96,765,000 | 7,439,000 | 5,255,000 | 48,000 | -1,611,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||
nonregulated pipeline, construction materials and contracting, construction services and other | 1,121,575,000 | 778,691,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
loss from discontinued operations, net of tax | -139,000 | -45,000 | -77,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
electric, natural gas distribution and regulated pipeline and midstream | 393,995,000 | 209,444,000 | 236,247,000 | 439,617,000 | 361,466,000 | 200,617,000 | 226,684,000 | 424,459,000 | 378,724,000 | 206,936,000 | 225,485,000 | 433,614,000 | 357,457,000 | 192,079,000 | 206,052,000 | 385,738,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
nonregulated pipeline and midstream, construction materials and contracting, construction services and other | 984,218,000 | 1,354,355,000 | 1,067,326,000 | 651,574,000 | 848,408,000 | 1,080,170,000 | 837,913,000 | 551,834,000 | 786,515,000 | 1,065,612,000 | 842,154,000 | 504,311,000 | 658,641,000 | 1,016,488,000 | 837,896,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
loss on redemption of preferred stocks | 600,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
dividends declared on preferred stocks | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings on common stock | 78,828,000 | 107,251,000 | 43,802,000 | 42,437,000 | 115,312,000 | 87,351,000 | 40,615,000 | 37,154,000 | 65,559,000 | 82,815,000 | 24,698,000 | 52,363,000 | -139,619,000 | -229,775,000 | -306,088,000 | 84,084,000 | 103,038,000 | 53,935,000 | 56,491,000 | 91,278,000 | 84,285,000 | 46,341,000 | 56,344,000 | -61,158,000 | -29,842,000 | 53,942,000 | 35,619,000 | 60,836,000 | 63,803,000 | 44,896,000 | 42,806,000 | 88,768,000 | 60,838,000 | 48,767,000 | 41,600,000 | 55,140,000 | -11,438,000 | 118,211,000 | 115,336,000 | 115,336,000 | 70,880,000 | 94,550,000 | 201,090,000 | 89,304,000 | 46,491,000 | 82,410,000 | 108,316,000 | 71,271,000 | 53,075,000 | 73,095,000 | 87,052,000 | ||||||||||||||||||||||||||||||||
earnings per common share - basic: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings before discontinued operations | 390 | 550 | 220 | 220 | 600 | 460 | 220 | 180 | 340 | 450 | 240 | 130 | 240 | 320 | 110 | -1,570 | 420 | 530 | 280 | 300 | 480 | 450 | 250 | 300 | -370 | -160 | 260 | 190 | 220 | 390 | 230 | 460 | 610 | ||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share - basic | 400 | 550 | 220 | 220 | 590 | 450 | 210 | 190 | 340 | 420 | -560 | 130 | 270 | -720 | -1,180 | -1,570 | 440 | 530 | 280 | 300 | 250 | 300 | -330 | -160 | 290 | 190 | 460 | 600 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share - diluted: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share - diluted | 400 | 550 | 220 | 220 | 590 | 450 | 210 | 190 | 340 | 420 | -560 | 130 | 270 | -720 | -1,180 | -1,570 | 440 | 530 | 280 | 300 | 240 | 300 | -330 | -160 | 290 | 190 | 450 | 600 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
dividends declared per common share | 148.125 | 197.5 | 197.5 | 197.5 | 144.375 | 192.5 | 192.5 | 192.5 | 140.625 | 187.5 | 187.5 | 187.5 | 136.875 | 182.5 | 182.5 | 182.5 | 133.125 | 177.5 | 177.5 | 177.5 | 129.375 | 172.5 | 172.5 | 172.5 | 172.5 | 167.5 | 167.5 | 167.5 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
loss from discontinued operations attributable to noncontrolling interest | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
discontinued operations attributable to the company, net of tax | 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
fuel and purchased power | 21,886,000 | 20,787,000 | 16,800,000 | 15,914,000 | 22,011,000 | 22,477,000 | 20,616,000 | 19,327,000 | 23,819,000 | 22,486,000 | 19,236,000 | 21,046,000 | 26,544,000 | 23,768,000 | 19,983,000 | 18,169,000 | 21,608,000 | 21,133,000 | 17,634,000 | 15,193,000 | 18,420,000 | 15,701,000 | 17,357,000 | 14,474,000 | 16,954,000 | 17,765,000 | 15,283,000 | 13,106,000 | 16,911,000 | 16,632,000 | 15,188,000 | 15,166,000 | 18,731,000 | 21,270,000 | 19,568,000 | 15,718,000 | 15,718,000 | 18,778,000 | 16,678,000 | 20,331,000 | 15,489,000 | 17,118,000 | 17,803,000 | 20,727,000 | 16,872,000 | 16,373,000 | 16,572,000 | 16,286,000 | |||||||||||||||||||||||||||||||||||
loss on common stock | -109,324,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
nonregulated pipeline and midstream, construction materials and contracting, construction services, refining and other | 519,415,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cost of crude oil | 39,800,000 | 43,637,000 | 69,122,000 | 44,781,000 | 2,270,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net loss attributable to noncontrolling interest | -7,754,000 | -3,528,000 | -597,500 | -1,088,000 | -779,000 | -523,000 | -51,000 | -24,000 | -179,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
electric, natural gas distribution and regulated pipeline and energy services | 201,746,500 | 185,224,000 | 215,472,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
nonregulated pipeline and energy services, construction materials and contracting, construction services and other | 580,519,500 | 1,095,276,000 | 770,743,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net income attributable to noncontrolling interest | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
electric, natural gas distribution and pipeline and energy services | 427,444,000 | 408,587,000 | 211,536,000 | 254,689,000 | 491,541,000 | 420,904,000 | 192,103,000 | 227,442,000 | 424,124,000 | 347,227,000 | 184,863,000 | 204,455,000 | 395,081,000 | 378,848,000 | 212,848,000 | 274,538,000 | 477,481,000 | 403,003,000 | 223,602,000 | 272,177,000 | 460,245,000 | 439,208,000 | 206,867,000 | 263,617,000 | 594,576,000 | 290,617,000 | 268,882,000 | 376,324,000 | 376,324,000 | 517,263,000 | 174,765,750 | 235,562,000 | 195,488,000 | 268,011,000 | 158,397,500 | 171,954,000 | 171,221,000 | 291,561,000 | 155,896,250 | 186,104,000 | |||||||||||||||||||||||||||||||||||||||||||
exploration and production, construction materials and contracting, construction services and other | 491,066,000 | 754,617,000 | 1,158,919,000 | 839,357,000 | 551,312,000 | 763,520,000 | 1,093,679,000 | 833,153,000 | 507,480,000 | 733,916,000 | 988,655,000 | 763,507,000 | 457,726,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
write-down of oil and natural gas properties | 500,400,000 | 40,025,000 | 160,100,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
loss from equity method investments | -85,750 | -97,000 | -297,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings from equity method investments | 51,000 | -95,000 | -61,000 | -7,000 | -311,000 | 1,358,000 | 2,388,000 | 385,000 | 1,253,000 | 2,433,000 | 826,000 | 949,000 | 484,000 | 23,846,000 | 2,528,000 | 2,260,000 | 2,183,000 | 2,345,000 | 2,290,000 | 2,078,000 | 1,787,000 | 896,000 | 1,867,000 | 2,039,000 | 2,039,000 | 1,825,000 | 1,742,000 | 11,782,000 | 4,030,000 | 2,054,000 | 1,907,000 | 2,829,000 | 2,900,000 | 3,202,000 | 1,674,000 | 1,800,000 | |||||||||||||||||||||||||||||||||||||||||||||||
income from discontinued operations, net oftax | -63,500 | -118,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share -- basic: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share -- basic | 247.5 | 450 | 230 | 200 | 320 | 260 | 220 | 300 | 390 | 260 | 440 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share -- diluted: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share -- diluted | 247.5 | 440 | 230 | 200 | 320 | 260 | 220 | 300 | 390 | 250 | 440 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
construction services, natural gas and oil production, construction materials and contracting, and other | 504,969,250 | 939,333,000 | 656,219,000 | 424,324,000 | 639,548,000 | 902,321,000 | 634,267,000 | 374,532,000 | 577,321,000 | 901,060,000 | 694,423,000 | 499,429,000 | 636,261,250 | 1,064,952,000 | 875,448,000 | 875,448,000 | 604,644,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
dividends on preferred stocks | 128,500 | 171,000 | 171,000 | 171,000 | 172,000 | 172,000 | 171,000 | 172,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 172,000 | 172,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 171,000 | 172,000 | 171,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share – basic: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings per common share – diluted: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
dividends per common share | 162.5 | 162.5 | 157.5 | 157.5 | 157.5 | 157.5 | 155 | 155 | 155 | 145 | 135 | 135 | 135 | 190 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
weighted-average common shares outstanding -- basic | 188,671,000 | 188,170,000 | 188,129,000 | 187,963,000 | 183,964,000 | 180,291,000 | 119,882,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
weighted-average common shares outstanding -- diluted | 188,815,000 | 188,338,000 | 188,267,000 | 188,220,000 | 184,398,000 | 181,307,000 | 120,610,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
write-down of natural gas and oil properties | 620,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income (loss) before income taxes | 110,685,000 | 144,541,000 | -558,410,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings (loss) on common stock | 72,463,000 | 92,413,000 | -343,974,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings (loss) per common share -- basic | -267.5 | 500 | -1,870 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings (loss) per common share -- diluted | -267.5 | 500 | -1,870 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
weighted average common shares outstanding -- basic | 185,160,000 | 183,787,000 | 182,599,000 | 181,341,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
weighted average common shares outstanding -- diluted | 185,425,000 | 183,787,000 | 183,130,000 | 182,337,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
construction services, natural gas and oil production, construction materials and mining, and other | 579,025,750 | 1,009,748,000 | 786,877,000 | 519,480,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
construction services, natural gas and oil production, construction materials and mining, independent power production and other | 470,692,250 | 807,139,000 | 629,782,000 | 445,851,000 | 586,245,250 | 1,018,682,000 | 802,562,000 | 523,733,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
utility services, natural gas and oil production, construction materials and mining, independent power production and other | 454,436,000 | 880,758,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
asset impairments |
Balance Sheets:
Quarterly
Annual
| Unit: USD | 2026-03-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | 2009-12-31 | 2009-09-30 | 2009-06-30 | 2009-03-31 | 2008-12-31 | 2008-09-30 | 2008-06-30 | 2008-06-15 | 2008-03-31 | 2007-12-31 | 2007-09-30 | 2007-06-30 | 2007-03-31 | 2006-09-30 | 2006-06-30 | 2006-03-31 | 2005-12-31 | 2005-09-30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
assets | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current assets: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash, cash equivalents and restricted cash | 53,295,000 | 75,853,000 | 58,801,000 | 59,541,000 | 66,904,000 | 104,016,000 | 94,438,000 | 89,296,000 | 76,975,000 | 32,493,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
receivables | 222,967,000 | 132,240,000 | 156,728,000 | 269,246,000 | 274,303,000 | 934,473,000 | 926,804,000 | 932,146,000 | 942,782,000 | 893,019,000 | 934,173,000 | 1,291,949,000 | 1,305,642,000 | 1,298,019,000 | 1,184,116,000 | 948,024,000 | 946,741,000 | 979,862,000 | 903,831,000 | 784,582,000 | 873,986,000 | 1,009,433,000 | 920,824,000 | 835,468,000 | 836,605,000 | 968,279,000 | 890,579,000 | 722,152,000 | 722,945,000 | 787,344,000 | 743,687,000 | 664,319,000 | 727,030,000 | 739,402,000 | 661,771,000 | 554,185,000 | 630,243,000 | 665,142,000 | 637,166,000 | 537,744,000 | 590,105,000 | 677,928,000 | 627,169,000 | 564,090,000 | 693,318,000 | 784,028,000 | 731,247,000 | 690,761,000 | 713,067,000 | 787,311,000 | 734,765,000 | 635,564,000 | 678,123,000 | 743,274,000 | 654,609,000 | 539,589,000 | 646,251,000 | 641,389,000 | 566,366,000 | 533,279,000 | 583,743,000 | 585,487,000 | 502,454,000 | 467,790,000 | 531,980,000 | 519,572,000 | 559,842,000 | 580,700,000 | 707,109,000 | 784,351,000 | 769,379,000 | 769,379,000 | 697,079,000 | 715,484,000 | 748,858,000 | 642,559,000 | 548,542,000 | 721,770,000 | 651,192,000 | 547,997,000 | 603,959,000 | 632,207,000 |
current regulatory assets | 190,679,000 | 179,149,000 | 141,744,000 | 143,341,000 | 215,436,000 | 241,008,000 | 217,822,000 | 158,614,000 | 172,492,000 | 169,248,000 | 193,162,000 | 216,318,000 | 165,092,000 | 148,160,000 | 102,535,000 | 89,078,000 | 118,691,000 | 133,135,000 | 109,581,000 | 98,452,000 | 68,527,000 | 79,125,000 | 60,557,000 | 55,206,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
inventories | 19,485,000 | 44,272,000 | 19,713,000 | 18,457,000 | 44,940,000 | 91,889,000 | 69,736,000 | 57,429,000 | 87,392,000 | 80,235,000 | 60,154,000 | 425,834,000 | 387,525,000 | 398,642,000 | 401,433,000 | 380,316,000 | 335,609,000 | 312,285,000 | 316,328,000 | 316,737,000 | 291,167,000 | 286,223,000 | 302,837,000 | 305,958,000 | 278,407,000 | 286,057,000 | 325,944,000 | 311,535,000 | 287,309,000 | 270,293,000 | 278,239,000 | 257,792,000 | 226,583,000 | 232,555,000 | 249,870,000 | 250,609,000 | 238,273,000 | 245,790,000 | 265,849,000 | 276,812,000 | 253,727,000 | 258,341,000 | 314,405,000 | 336,598,000 | 300,811,000 | 302,705,000 | 331,422,000 | 301,332,000 | 282,391,000 | 314,571,000 | 345,885,000 | 334,872,000 | 317,415,000 | 315,767,000 | 333,392,000 | 313,341,000 | 274,205,000 | 269,569,000 | 277,327,000 | 262,696,000 | 252,897,000 | 261,680,000 | 260,163,000 | 253,931,000 | 249,804,000 | 268,677,000 | 285,814,000 | 276,268,000 | 261,524,000 | 276,138,000 | 267,125,000 | 267,125,000 | 227,017,000 | 229,255,000 | 254,710,000 | 221,179,000 | 206,250,000 | 226,398,000 | 207,746,000 | 172,481,000 | 172,201,000 | 193,934,000 |
current environmental allowances | 25,238,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
prepayments and other current assets | 47,886,000 | 69,853,000 | 64,940,000 | 50,966,000 | 64,676,000 | 96,434,000 | 88,239,000 | 82,459,000 | 84,082,000 | 63,805,000 | 60,502,000 | 81,424,000 | 72,972,000 | 104,850,000 | 105,753,000 | 89,586,000 | 95,741,000 | 83,364,000 | 74,259,000 | 68,409,000 | 44,120,000 | 61,706,000 | 48,194,000 | 60,230,000 | 115,805,000 | 140,053,000 | 155,893,000 | 151,391,000 | 119,500,000 | 88,760,000 | 52,035,000 | 59,481,000 | 81,304,000 | 89,625,000 | 63,953,000 | 79,254,000 | 48,461,000 | 49,081,000 | 50,309,000 | 57,821,000 | 35,189,000 | 56,604,000 | 81,355,000 | 98,503,000 | 76,848,000 | 72,900,000 | 93,980,000 | 99,229,000 | 49,510,000 | 56,257,000 | 58,870,000 | 68,828,000 | 42,351,000 | 71,579,000 | 85,729,000 | 64,897,000 | 43,316,000 | 48,851,000 | 71,604,000 | 73,556,000 | 60,441,000 | 99,466,000 | 97,953,000 | 104,437,000 | 66,021,000 | 77,736,000 | 117,381,000 | 135,734,000 | 171,314,000 | 189,224,000 | 175,293,000 | 175,293,000 | 114,935,000 | 64,998,000 | 129,421,000 | 95,235,000 | 96,766,000 | 80,545,000 | 93,203,000 | 72,961,000 | 40,539,000 | 42,100,000 |
total current assets | 559,550,000 | 501,367,000 | 441,926,000 | 541,551,000 | 666,259,000 | 1,467,820,000 | 1,397,039,000 | 1,319,944,000 | 1,363,723,000 | 1,515,013,000 | 1,544,834,000 | 2,108,714,000 | 2,011,748,000 | 2,024,291,000 | 1,859,231,000 | 1,571,908,000 | 1,550,943,000 | 1,565,887,000 | 1,461,945,000 | 1,323,274,000 | 1,337,347,000 | 1,502,557,000 | 1,396,770,000 | 1,373,388,000 | 1,297,701,000 | 1,461,815,000 | 1,444,810,000 | 1,235,229,000 | 1,184,132,000 | 1,214,045,000 | 1,116,192,000 | 1,040,814,000 | 1,069,995,000 | 1,099,242,000 | 1,015,970,000 | 942,073,000 | 977,475,000 | 1,144,625,000 | 1,157,503,000 | 1,054,936,000 | 1,021,042,000 | 1,196,644,000 | 1,282,764,000 | 1,161,546,000 | 1,194,973,000 | 1,417,672,000 | 1,276,206,000 | 1,204,530,000 | 1,116,688,000 | 1,254,970,000 | 1,292,247,000 | 1,149,234,000 | 1,128,081,000 | 1,249,400,000 | 1,233,824,000 | 1,078,153,000 | 1,194,638,000 | 1,132,018,000 | 1,071,031,000 | 1,064,003,000 | 1,167,168,000 | 1,035,523,000 | 969,299,000 | 989,761,000 | 1,061,658,000 | 970,549,000 | 1,063,852,000 | |||||||||||||||
noncurrent assets: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
property, plant and equipment | 8,325,077,000 | 7,863,725,000 | 7,711,004,000 | 7,617,007,000 | 7,554,063,000 | 7,703,249,000 | 7,560,455,000 | 7,441,589,000 | 7,341,116,000 | 7,211,680,000 | 7,083,229,000 | 9,475,608,000 | 9,364,038,000 | 9,257,067,000 | 9,099,752,000 | 8,958,600,000 | 8,972,849,000 | 8,634,737,000 | 8,417,559,000 | 8,288,879,000 | 8,300,770,000 | 8,203,751,000 | 8,063,435,000 | 8,008,338,000 | 7,908,628,000 | 7,746,754,000 | 7,625,654,000 | 7,502,368,000 | 7,397,321,000 | 7,102,960,000 | 6,975,919,000 | 6,842,967,000 | 6,770,829,000 | 6,658,891,000 | 6,591,382,000 | 6,544,077,000 | 6,510,229,000 | 6,588,445,000 | 6,526,563,000 | 6,878,595,000 | 6,817,668,000 | 6,627,269,000 | 6,556,058,000 | 9,299,713,000 | 9,693,171,000 | 9,438,609,000 | 9,390,538,000 | 9,150,269,000 | 8,803,866,000 | 8,651,334,000 | 8,454,204,000 | 8,303,065,000 | 8,107,751,000 | 8,129,872,000 | 8,068,177,000 | 7,798,770,000 | 7,646,222,000 | 7,506,833,000 | 7,394,616,000 | 7,271,173,000 | 7,218,503,000 | 7,163,515,000 | 7,085,632,000 | 6,875,397,000 | 6,766,582,000 | 6,698,227,000 | 6,651,088,000 | 6,550,825,000 | 7,062,237,000 | 6,665,008,000 | 6,507,164,000 | 6,507,164,000 | 6,303,570,000 | 5,930,246,000 | 5,740,966,000 | 4,953,171,000 | 4,850,268,000 | 5,044,720,000 | 4,925,546,000 | 4,702,848,000 | 4,594,355,000 | 4,397,510,000 |
less accumulated depreciation and amortization | 2,327,742,000 | 2,272,380,000 | 2,276,447,000 | 2,238,371,000 | 2,209,771,000 | 2,322,543,000 | 2,295,499,000 | 2,262,789,000 | 2,220,206,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net property, plant and equipment | 5,997,335,000 | 5,591,345,000 | 5,434,557,000 | 5,378,636,000 | 5,344,292,000 | 5,380,706,000 | 5,264,956,000 | 5,178,800,000 | 5,120,910,000 | 5,020,166,000 | 4,922,790,000 | 6,152,714,000 | 6,091,545,000 | 5,993,850,000 | 5,888,812,000 | 5,800,509,000 | 5,756,388,000 | 5,458,981,000 | 5,287,842,000 | 5,192,508,000 | 5,166,939,000 | 5,087,946,000 | 4,998,602,000 | 4,968,526,000 | 4,917,142,000 | 4,801,826,000 | 4,722,380,000 | 4,643,382,000 | 4,578,677,000 | 4,306,311,000 | 4,217,756,000 | 4,117,483,000 | 4,079,188,000 | 3,991,129,000 | 3,953,284,000 | 3,934,774,000 | 3,931,327,000 | 4,004,879,000 | 3,974,622,000 | 4,334,653,000 | 4,311,097,000 | 4,171,867,000 | 4,111,924,000 | 5,066,520,000 | 5,526,764,000 | 5,346,592,000 | 5,378,680,000 | 5,195,827,000 | 4,931,379,000 | 4,855,282,000 | 4,744,525,000 | 4,624,530,000 | 4,498,839,000 | 4,582,945,000 | 4,590,059,000 | 4,379,196,000 | 4,285,014,000 | 4,199,400,000 | 4,158,199,000 | 4,096,519,000 | 4,115,180,000 | 4,107,388,000 | 4,084,969,000 | 3,939,944,000 | 3,894,117,000 | 3,874,831,000 | 3,744,264,000 | |||||||||||||||
goodwill | 345,736,000 | 345,736,000 | 345,736,000 | 345,736,000 | 345,736,000 | 488,960,000 | 488,960,000 | 488,960,000 | 488,960,000 | 488,960,000 | 488,960,000 | 763,500,000 | 763,500,000 | 763,262,000 | 763,262,000 | 763,262,000 | 765,386,000 | 717,646,000 | 717,863,000 | 714,963,000 | 714,963,000 | 712,677,000 | 708,664,000 | 713,527,000 | 681,358,000 | 681,349,000 | 679,395,000 | 679,395,000 | 664,922,000 | 640,203,000 | 642,374,000 | 631,791,000 | 631,791,000 | 631,791,000 | 631,791,000 | 631,791,000 | 631,791,000 | 641,527,000 | 641,527,000 | 641,527,000 | 635,204,000 | 635,204,000 | 635,204,000 | 635,204,000 | 635,204,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 636,039,000 | 635,389,000 | 635,389,000 | 634,931,000 | 634,931,000 | 634,931,000 | 634,931,000 | 634,633,000 | 634,633,000 | 634,654,000 | 634,633,000 | 629,463,000 | 629,036,000 | 622,131,000 | 621,566,000 | 615,735,000 | 442,702,000 | 437,832,000 | 437,832,000 | 430,309,000 | 425,698,000 | 430,644,000 | 227,029,000 | 226,937,000 | 237,839,000 | 242,955,000 | 230,439,000 | 230,865,000 | 214,939,000 |
regulatory assets | 293,973,000 | 305,890,000 | 309,302,000 | 312,008,000 | 322,350,000 | 343,578,000 | 351,334,000 | 414,433,000 | 447,099,000 | 428,969,000 | 345,185,000 | 349,500,000 | 329,659,000 | 344,442,000 | 347,061,000 | 359,228,000 | 357,851,000 | 379,245,000 | 376,913,000 | 379,917,000 | 379,381,000 | 369,764,000 | 351,025,000 | 348,189,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
investments | 117,920,000 | 118,443,000 | 115,784,000 | 117,599,000 | 115,459,000 | 130,602,000 | 123,391,000 | 119,396,000 | 124,235,000 | 139,327,000 | 139,569,000 | 172,467,000 | 161,913,000 | 157,860,000 | 161,247,000 | 174,555,000 | 175,476,000 | 171,859,000 | 173,157,000 | 167,741,000 | 165,022,000 | 158,440,000 | 154,779,000 | 145,237,000 | 148,656,000 | 144,417,000 | 145,746,000 | 144,616,000 | 138,620,000 | 143,303,000 | 140,053,000 | 138,451,000 | 137,613,000 | 133,895,000 | 131,726,000 | 129,009,000 | 125,866,000 | 126,048,000 | 124,531,000 | 121,955,000 | 119,704,000 | 118,063,000 | 119,446,000 | 118,407,000 | 117,920,000 | 115,656,000 | 116,594,000 | 113,763,000 | 112,939,000 | 108,664,000 | 106,508,000 | 106,846,000 | 103,243,000 | 102,139,000 | 99,343,000 | 113,799,000 | 109,424,000 | 109,249,000 | 116,368,000 | 117,015,000 | 103,661,000 | 152,577,000 | 142,212,000 | 141,443,000 | 145,416,000 | 137,340,000 | 125,361,000 | 114,058,000 | 114,290,000 | 118,865,000 | 121,279,000 | 121,279,000 | 113,286,000 | 118,602,000 | 112,283,000 | 136,585,000 | 133,454,000 | 155,989,000 | 106,226,000 | 103,404,000 | 98,217,000 | 100,954,000 |
environmental allowances | 148,896,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other | 220,526,000 | 322,959,000 | 298,612,000 | 265,944,000 | 244,722,000 | 270,078,000 | 250,507,000 | 240,633,000 | 211,865,000 | 198,459,000 | 165,910,000 | 161,306,000 | 165,509,000 | 185,094,000 | 173,670,000 | 160,019,000 | 157,675,000 | 143,565,000 | 144,653,000 | 150,248,000 | 144,111,000 | 147,205,000 | 154,026,000 | 153,017,000 | 506,207,000 | 504,842,000 | 466,957,000 | 455,048,000 | 408,857,000 | 408,178,000 | 409,407,000 | 412,456,000 | 407,850,000 | 419,846,000 | 416,759,000 | 409,745,000 | 415,419,000 | 360,537,000 | 360,520,000 | 359,977,000 | 366,485,000 | 355,720,000 | 362,407,000 | 326,542,000 | 325,277,000 | 247,539,000 | 249,532,000 | 246,394,000 | 251,188,000 | 298,061,000 | 297,040,000 | 295,215,000 | 299,160,000 | 314,133,000 | 324,299,000 | 312,103,000 | 311,275,000 | 262,107,000 | 253,515,000 | 254,472,000 | 257,636,000 | 260,722,000 | 255,473,000 | 249,454,000 | 231,321,000 | 230,632,000 | 242,436,000 | 254,240,000 | 256,218,000 | 161,770,000 | 166,019,000 | 166,019,000 | 149,752,000 | 146,455,000 | 152,607,000 | 113,193,000 | 107,639,000 | 104,402,000 | 103,141,000 | 112,110,000 | 92,332,000 | 90,256,000 |
total noncurrent assets | 7,124,386,000 | 6,684,373,000 | 6,503,991,000 | 6,419,923,000 | 6,372,559,000 | 6,704,829,000 | 6,563,297,000 | 6,519,927,000 | 6,469,436,000 | 6,354,136,000 | 6,140,016,000 | 7,733,873,000 | 7,649,033,000 | 7,582,839,000 | 7,469,894,000 | 7,398,807,000 | 7,359,492,000 | 7,002,976,000 | 6,836,266,000 | 6,746,001,000 | 6,716,025,000 | 6,622,942,000 | 6,514,362,000 | 6,477,128,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total assets | 7,683,936,000 | 7,185,740,000 | 6,945,917,000 | 6,961,474,000 | 7,038,818,000 | 8,172,649,000 | 7,960,336,000 | 7,839,871,000 | 7,833,159,000 | 7,869,149,000 | 7,684,850,000 | 9,842,587,000 | 9,660,781,000 | 9,607,130,000 | 9,329,125,000 | 8,970,715,000 | 8,910,435,000 | 8,568,863,000 | 8,298,211,000 | 8,069,275,000 | 8,053,372,000 | 8,125,499,000 | 7,911,132,000 | 7,850,516,000 | 7,683,059,000 | 7,730,611,000 | 7,591,493,000 | 7,278,923,000 | 6,988,110,000 | 6,718,193,000 | 6,533,970,000 | 6,348,852,000 | 6,334,666,000 | 6,344,445,000 | 6,230,498,000 | 6,148,458,000 | 6,284,467,000 | 6,353,206,000 | 6,389,584,000 | 6,618,400,000 | 6,627,608,000 | 6,985,319,000 | 7,270,055,000 | 7,317,385,000 | 7,809,978,000 | 7,774,094,000 | 7,668,317,000 | 7,408,849,000 | 7,061,332,000 | 7,167,108,000 | 7,091,671,000 | 6,828,182,000 | 6,682,491,000 | 6,902,671,000 | 6,901,570,000 | 6,538,631,000 | 6,556,125,000 | 6,359,953,000 | 6,257,381,000 | 6,191,291,000 | 6,303,549,000 | 6,216,955,000 | 6,112,806,000 | 5,981,847,000 | 5,990,952,000 | 5,872,572,000 | 5,823,364,000 | |||||||||||||||
liabilities and stockholders' equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current liabilities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
long-term debt due within one year | 214,700,000 | 164,700,000 | 136,700,000 | 161,700,000 | 161,700,000 | 218,777,000 | 193,608,000 | 60,700,000 | 61,319,000 | 61,319,000 | 1,319,000 | 78,031,000 | 78,031,000 | 214,453,000 | 214,453,000 | 147,953,000 | 148,053,000 | 1,548,000 | 1,549,000 | 1,552,000 | 1,555,000 | 1,558,000 | 16,560,000 | 16,560,000 | 16,540,000 | 65,810,000 | 51,822,000 | 251,846,000 | 251,854,000 | 3,915,000 | 109,199,000 | 149,199,000 | 148,499,000 | 148,499,000 | 83,499,000 | 43,499,000 | 43,598,000 | 93,598,000 | 58,598,000 | 104,915,000 | 243,789,000 | 262,664,000 | 418,539,000 | 409,292,000 | 269,449,000 | 149,101,000 | 42,215,000 | 12,227,000 | 12,277,000 | 44,024,000 | 69,091,000 | 171,094,000 | 134,108,000 | 240,564,000 | 282,199,000 | 202,215,000 | 139,267,000 | 76,600,000 | 62,571,000 | 12,785,000 | 72,797,000 | 73,417,000 | 72,551,000 | 72,572,000 | 12,629,000 | 27,790,000 | 27,879,000 | 28,621,000 | 78,666,000 | 87,394,000 | 87,366,000 | 87,366,000 | 211,669,000 | 161,682,000 | 131,971,000 | 131,661,000 | 83,446,000 | 98,980,000 | 159,168,000 | 101,707,000 | 101,758,000 | 86,802,000 |
accounts payable | 124,377,000 | 122,109,000 | 107,178,000 | 109,133,000 | 150,070,000 | 489,100,000 | 442,568,000 | 420,168,000 | 475,215,000 | 414,479,000 | 399,339,000 | 547,188,000 | 657,168,000 | 630,699,000 | 579,064,000 | 449,746,000 | 478,933,000 | 525,704,000 | 431,878,000 | 379,348,000 | 426,264,000 | 436,718,000 | 433,362,000 | 384,339,000 | 403,391,000 | 378,370,000 | 356,059,000 | 352,180,000 | 358,505,000 | 339,713,000 | 330,926,000 | 267,994,000 | 312,327,000 | 304,101,000 | 279,211,000 | 239,013,000 | 279,962,000 | 281,373,000 | 275,791,000 | 260,432,000 | 310,466,000 | 292,612,000 | 272,988,000 | 259,881,000 | 382,671,000 | 410,382,000 | 424,201,000 | 399,935,000 | 404,961,000 | 437,740,000 | 411,621,000 | 375,942,000 | 388,015,000 | 402,241,000 | 379,840,000 | 321,369,000 | 337,228,000 | 305,695,000 | 304,049,000 | 267,922,000 | 301,132,000 | 299,094,000 | 266,069,000 | 241,465,000 | 281,906,000 | 267,320,000 | 332,957,000 | 355,951,000 | 432,358,000 | 391,188,000 | 396,715,000 | 396,715,000 | 333,894,000 | 369,235,000 | 310,509,000 | 284,208,000 | 244,059,000 | 319,415,000 | 294,951,000 | 231,374,000 | 269,021,000 | 300,509,000 |
regulatory liabilities due within one year | 148,409,000 | 143,822,000 | 134,254,000 | 140,165,000 | 137,167,000 | 157,068,000 | 158,535,000 | 90,115,000 | 70,761,000 | 45,013,000 | 48,057,000 | 44,395,000 | 26,440,000 | 18,599,000 | 17,884,000 | 31,186,000 | 16,303,000 | 16,491,000 | 23,454,000 | 34,266,000 | 31,450,000 | 39,837,000 | 48,000,000 | 60,072,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
taxes payable | 44,217,000 | 43,328,000 | 53,428,000 | 65,218,000 | 43,372,000 | 61,879,000 | 63,029,000 | 81,972,000 | 58,110,000 | 49,500,000 | 60,284,000 | 73,914,000 | 70,810,000 | 93,565,000 | 84,970,000 | 90,572,000 | 80,372,000 | 87,455,000 | 78,805,000 | 88,711,000 | 88,844,000 | 96,708,000 | 80,882,000 | 58,743,000 | 48,970,000 | 53,505,000 | 46,731,000 | 55,319,000 | 41,929,000 | 50,461,000 | 47,803,000 | 57,354,000 | 42,537,000 | 108,946,000 | 55,037,000 | 74,638,000 | 48,164,000 | 59,747,000 | 45,749,000 | 50,222,000 | 45,775,000 | 44,267,000 | 38,966,000 | 48,436,000 | 45,631,000 | 105,027,000 | 48,985,000 | 61,847,000 | 74,175,000 | 80,392,000 | 89,896,000 | 55,748,000 | 46,475,000 | 54,903,000 | 46,919,000 | 51,019,000 | 70,176,000 | 77,190,000 | 45,065,000 | 49,852,000 | 56,186,000 | 46,928,000 | 39,976,000 | 69,077,000 | 55,540,000 | 64,656,000 | 42,151,000 | 71,238,000 | 49,784,000 | 62,657,000 | 46,200,000 | 46,200,000 | 85,366,000 | 60,407,000 | 114,427,000 | 38,769,000 | 67,223,000 | 46,633,000 | 31,919,000 | 61,592,000 | 50,533,000 | 75,263,000 |
dividends payable | 28,659,000 | 28,606,000 | 26,563,000 | 26,563,000 | 26,511,000 | 26,024,000 | 25,029,000 | 25,044,000 | 25,461,000 | 25,455,000 | 45,310,000 | 45,306,000 | 45,245,000 | 44,229,000 | 44,229,000 | 44,229,000 | 44,229,000 | 43,212,000 | 42,791,000 | 42,740,000 | 42,611,000 | 41,608,000 | 41,608,000 | 41,608,000 | 41,580,000 | 40,460,000 | 40,225,000 | 39,875,000 | 39,695,000 | 38,714,000 | 38,714,000 | 38,573,000 | 38,573,000 | 37,596,000 | 37,596,000 | 37,767,000 | 37,767,000 | 36,791,000 | 36,791,000 | 36,791,000 | 36,784,000 | 35,807,000 | 35,734,000 | 35,687,000 | 35,607,000 | 34,607,000 | 34,388,000 | 33,980,000 | 33,737,000 | 32,745,000 | 32,745,000 | 32,744,000 | 171,000 | 31,800,000 | 31,800,000 | 31,800,000 | 31,794,000 | 30,850,000 | 30,850,000 | 30,850,000 | 30,773,000 | 29,810,000 | 29,802,000 | 29,796,000 | 29,749,000 | 29,012,000 | 28,686,000 | 28,685,000 | 28,640,000 | 28,572,000 | 26,723,000 | 26,723,000 | 26,677,000 | 26,619,000 | 26,616,000 | 24,725,000 | 24,693,000 | 24,569,000 | 22,967,000 | 22,964,000 | 22,951,000 | 22,935,000 |
accrued compensation | 20,097,000 | 31,628,000 | 20,795,000 | 18,175,000 | 35,264,000 | 97,041,000 | 63,927,000 | 47,394,000 | 85,512,000 | 94,230,000 | 66,555,000 | 65,509,000 | 88,662,000 | 99,824,000 | 98,159,000 | 64,796,000 | 81,904,000 | 105,867,000 | 95,909,000 | 69,612,000 | 90,629,000 | 110,730,000 | 85,525,000 | 55,199,000 | 99,269,000 | 93,642,000 | 71,508,000 | 45,383,000 | 69,007,000 | 62,836,000 | 53,933,000 | 35,087,000 | 72,919,000 | 67,097,000 | 52,951,000 | 32,350,000 | 65,867,000 | 58,604,000 | 56,390,000 | 41,137,000 | 46,130,000 | 60,277,000 | 48,420,000 | 37,797,000 | 62,775,000 | 66,119,000 | 50,024,000 | 40,016,000 | 69,661,000 | 62,746,000 | 44,159,000 | 31,382,000 | 48,448,000 | 48,792,000 | 37,774,000 | 28,463,000 | 47,804,000 | 44,100,000 | 37,978,000 | 25,774,000 | 40,121,000 | 41,648,000 | 35,989,000 | 22,607,000 | 47,425,000 | 49,082,000 | 44,141,000 | 35,543,000 | 55,646,000 | 62,380,000 | 55,631,000 | 55,631,000 | 40,470,000 | 66,255,000 | ||||||||
current environmental obligations | 24,086,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other accrued liabilities | 113,797,000 | 132,356,000 | 115,873,000 | 113,622,000 | 124,514,000 | 203,353,000 | 178,566,000 | 174,296,000 | 181,471,000 | 154,147,000 | 143,235,000 | 245,511,000 | 232,231,000 | 232,364,000 | 208,290,000 | 203,670,000 | 207,078,000 | 212,140,000 | 188,187,000 | 201,246,000 | 198,514,000 | 226,863,000 | 182,597,000 | 172,561,000 | 221,502,000 | 225,925,000 | 218,442,000 | 213,541,000 | 221,059,000 | 221,620,000 | 208,696,000 | 204,328,000 | 186,010,000 | 184,580,000 | 181,030,000 | 188,373,000 | 184,377,000 | 191,904,000 | 196,701,000 | 189,275,000 | 171,592,000 | 157,650,000 | 164,675,000 | 179,672,000 | 172,561,000 | 173,247,000 | 179,402,000 | 185,287,000 | 171,106,000 | 171,420,000 | 185,389,000 | 205,394,000 | 204,698,000 | 233,773,000 | 244,922,000 | 255,172,000 | 259,320,000 | 226,986,000 | 224,220,000 | 227,088,000 | 222,639,000 | 205,777,000 | 172,446,000 | 187,368,000 | 192,729,000 | 162,200,000 | 158,661,000 | 162,271,000 | 140,408,000 | 165,072,000 | 295,153,000 | 295,153,000 | 226,782,000 | 163,990,000 | 266,149,000 | 155,890,000 | 143,045,000 | 166,582,000 | 157,438,000 | 139,900,000 | 184,665,000 | 255,355,000 |
total current liabilities | 718,342,000 | 666,549,000 | 594,791,000 | 634,576,000 | 678,598,000 | 1,281,375,000 | 1,149,859,000 | 922,823,000 | 1,075,733,000 | 1,173,655,000 | 1,131,765,000 | 1,636,329,000 | 1,479,603,000 | 1,468,302,000 | 1,380,675,000 | 1,166,728,000 | 1,092,240,000 | 1,072,919,000 | 944,360,000 | 900,037,000 | 963,522,000 | 1,066,990,000 | 999,719,000 | 824,479,000 | 866,427,000 | 1,033,677,000 | 912,602,000 | 1,062,779,000 | 986,050,000 | 725,218,000 | 800,984,000 | 764,261,000 | 812,858,000 | 856,568,000 | 693,805,000 | 618,034,000 | 669,659,000 | 744,202,000 | 702,377,000 | 761,467,000 | 947,639,000 | 941,678,000 | 1,080,265,000 | 986,865,000 | 968,694,000 | 938,527,000 | 796,664,000 | 745,478,000 | 784,900,000 | 845,807,000 | 865,889,000 | 917,183,000 | 850,115,000 | 1,025,145,000 | 1,024,491,000 | 910,221,000 | 898,753,000 | 764,449,000 | 723,419,000 | 654,770,000 | 768,076,000 | 727,177,000 | 640,693,000 | 662,913,000 | 667,185,000 | 644,963,000 | 691,614,000 | |||||||||||||||
noncurrent liabilities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
long-term debt | 2,381,296,000 | 2,188,485,000 | 2,045,235,000 | 2,031,976,000 | 2,130,910,000 | 2,233,520,000 | 2,207,009,000 | 2,325,697,000 | 2,236,904,000 | 2,279,828,000 | 2,246,103,000 | 2,769,037,000 | 2,763,394,000 | 2,773,999,000 | 2,713,514,000 | 2,599,810,000 | 2,593,847,000 | 2,326,718,000 | 2,335,500,000 | 2,251,722,000 | 2,211,575,000 | 2,268,732,000 | 2,265,316,000 | 2,438,675,000 | 2,226,567,000 | 2,180,946,000 | 2,327,984,000 | 1,946,181,000 | 1,856,841,000 | 1,911,555,000 | 1,743,711,000 | 1,630,343,000 | 1,566,354,000 | 1,592,053,000 | 1,677,977,000 | 1,659,507,000 | 1,746,561,000 | 1,808,350,000 | 1,928,709,000 | 1,822,139,000 | 1,627,443,000 | 2,012,441,000 | 1,958,263,000 | 1,780,694,000 | 1,825,278,000 | 2,061,456,000 | 2,144,879,000 | 2,093,605,000 | 1,842,286,000 | 1,967,872,000 | 1,937,663,000 | 1,618,569,000 | 1,610,867,000 | 1,502,413,000 | 1,383,432,000 | 1,213,974,000 | 1,285,411,000 | 1,347,014,000 | 1,369,534,000 | 1,414,077,000 | 1,433,955,000 | 1,437,171,000 | 1,508,714,000 | 1,426,146,000 | 1,486,677,000 | 1,471,833,000 | 1,636,592,000 | 1,614,786,000 | 1,568,636,000 | 1,418,330,000 | 1,474,908,000 | 1,474,908,000 | 1,269,963,000 | 1,146,781,000 | 1,146,708,000 | 1,224,286,000 | 1,155,117,000 | 1,307,050,000 | 1,299,175,000 | 1,134,889,000 | 1,104,752,000 | 1,047,245,000 |
deferred income taxes | 448,260,000 | 434,099,000 | 426,556,000 | 429,825,000 | 441,320,000 | 453,155,000 | 454,826,000 | 461,808,000 | 458,548,000 | 526,654,000 | 515,661,000 | 642,069,000 | 631,303,000 | 617,996,000 | 597,733,000 | 587,940,000 | 591,962,000 | 557,582,000 | 538,633,000 | 528,551,000 | 516,098,000 | 533,524,000 | 516,760,000 | 515,711,000 | 506,583,000 | 487,194,000 | 457,588,000 | 444,965,000 | 430,085,000 | 405,761,000 | 362,896,000 | 346,218,000 | 347,271,000 | 652,413,000 | 668,239,000 | 666,905,000 | 668,226,000 | 31,378,000 | 33,938,000 | 33,868,000 | 32,849,000 | 32,009,000 | 38,171,000 | 32,987,000 | 23,806,000 | 13,041,000 | 29,110,000 | 29,427,000 | 25,048,000 | 26,284,000 | 27,959,000 | 29,885,000 | 22,846,000 | 25,345,000 | 21,451,000 | 42,239,000 | 40,407,000 | 14,713,000 | 33,732,000 | 45,206,000 | 32,890,000 | 25,552,000 | 17,755,000 | 18,543,000 | 28,145,000 | 13,050,000 | 2,490,000 | 10,143,000 | 20,344,000 | 8,225,000 | 47,442,000 | 47,442,000 | 27,897,000 | 7,046,000 | 3,069,000 | 1,396,000 | 2,702,000 | 8,698,000 | 11,637,000 | 10,286,000 | 9,062,000 | 3,416,000 |
regulatory liabilities | 474,957,000 | 473,812,000 | 468,168,000 | 463,879,000 | 459,170,000 | 463,790,000 | 461,366,000 | 523,484,000 | 521,050,000 | 495,112,000 | 455,877,000 | 454,669,000 | 448,454,000 | 433,212,000 | 433,019,000 | 433,628,000 | 428,790,000 | 426,141,000 | 428,467,000 | 429,060,000 | 428,075,000 | 434,936,000 | 438,652,000 | 443,205,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
asset retirement obligations | 436,209,000 | 419,616,000 | 415,137,000 | 410,715,000 | 406,351,000 | 397,952,000 | 393,743,000 | 388,451,000 | 384,371,000 | 384,083,000 | 380,058,000 | 409,547,000 | 405,885,000 | 472,931,000 | 467,995,000 | 463,080,000 | 458,061,000 | 455,522,000 | 450,620,000 | 445,170,000 | 440,356,000 | 425,567,000 | 422,169,000 | 417,469,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
environmental obligations | 135,857,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total noncurrent liabilities | 4,061,956,000 | 3,796,097,000 | 3,619,222,000 | 3,583,762,000 | 3,669,646,000 | 3,833,289,000 | 3,792,673,000 | 3,936,107,000 | 3,852,193,000 | 3,938,060,000 | 3,846,892,000 | 4,630,876,000 | 4,594,049,000 | 4,646,970,000 | 4,561,640,000 | 4,443,269,000 | 4,435,321,000 | 4,163,666,000 | 4,155,049,000 | 4,068,932,000 | 4,010,745,000 | 4,045,744,000 | 4,013,726,000 | 4,189,445,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
commitments and contingencies | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
stockholders' equity: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 209,006,024 at march 31, 2026, 204,331,170 atmarch 31, 2025 and 204,382,821 at december 31, 2025 | 209,006,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other paid-in capital | 1,550,364,000 | 1,473,739,000 | 1,472,150,000 | 1,470,512,000 | 1,473,738,000 | 1,470,429,000 | 1,468,483,000 | 1,466,551,000 | 1,466,235,000 | 1,462,939,000 | 1,460,735,000 | 1,461,294,000 | 1,466,037,000 | 1,455,241,000 | 1,454,131,000 | 1,451,464,000 | 1,461,205,000 | 1,458,208,000 | 1,422,169,000 | 1,382,158,000 | 1,371,385,000 | 1,366,494,000 | 1,363,182,000 | 1,360,564,000 | 1,355,404,000 | 1,351,990,000 | 1,315,511,000 | 1,284,060,000 | 1,248,576,000 | 1,247,151,000 | 1,245,858,000 | 1,227,285,000 | 1,233,412,000 | 1,232,766,000 | 1,231,892,000 | 1,231,171,000 | 1,232,478,000 | 1,231,396,000 | 1,230,342,000 | 1,229,431,000 | 1,230,119,000 | 1,228,875,000 | 1,220,615,000 | 1,214,867,000 | 1,207,188,000 | 1,200,591,000 | 1,186,900,000 | 1,110,221,000 | 1,056,996,000 | 1,041,787,000 | 1,040,379,000 | 1,038,970,000 | 1,039,080,000 | 1,038,066,000 | 1,036,935,000 | 1,035,800,000 | 1,035,739,000 | 1,034,411,000 | 1,033,366,000 | 1,032,040,000 | 1,026,349,000 | 1,022,469,000 | 1,020,206,000 | 1,018,441,000 | 1,015,678,000 | 1,001,313,000 | 941,773,000 | 940,369,000 | 938,299,000 | 928,415,000 | 925,784,000 | 925,784,000 | 917,159,000 | 912,806,000 | 909,805,000 | 895,838,000 | 891,990,000 | 872,973,000 | 856,366,000 | 913,026,000 | 909,006,000 | 901,302,000 |
retained earnings | 1,160,843,000 | 1,061,407,000 | 1,071,909,000 | 1,084,899,000 | 1,029,699,000 | 1,401,555,000 | 1,363,604,000 | 1,328,812,000 | 1,253,693,000 | 1,108,616,000 | 1,059,517,000 | 1,943,917,000 | 1,951,138,000 | 1,879,600,000 | 1,775,947,000 | 1,749,726,000 | 1,762,410,000 | 1,720,232,000 | 1,624,405,000 | 1,567,551,000 | 1,558,363,000 | 1,489,085,000 | 1,377,879,000 | 1,319,988,000 | 1,336,647,000 | 1,283,044,000 | 1,185,967,000 | 1,164,509,000 | 1,163,602,000 | 1,124,830,000 | 1,056,424,000 | 1,051,469,000 | 1,040,748,000 | 964,275,000 | 914,632,000 | 911,702,000 | 912,282,000 | 884,339,000 | 838,257,000 | 984,315,000 | 996,355,000 | 980,421,000 | 1,155,777,000 | 1,421,220,000 | 1,762,827,000 | 1,713,774,000 | 1,645,291,000 | 1,625,692,000 | 1,603,130,000 | 1,546,000,000 | 1,494,419,000 | 1,480,784,000 | 1,457,146,000 | 1,550,569,000 | 1,612,169,000 | 1,589,985,000 | 1,586,123,000 | 1,556,550,000 | 1,523,546,000 | 1,509,449,000 | 1,497,439,000 | 1,439,050,000 | 1,407,950,000 | 1,388,914,000 | 1,377,039,000 | 1,334,255,000 | 1,270,778,000 | 1,244,248,000 | 1,616,830,000 | 1,656,767,000 | 1,567,035,000 | 1,567,035,000 | 1,478,327,000 | 1,433,585,000 | 1,365,497,000 | 1,190,935,000 | 1,126,270,000 | 1,046,933,000 | 963,194,000 | 914,899,000 | 884,795,000 | 834,567,000 |
accumulated other comprehensive loss | -16,575,000 | -16,383,000 | -16,486,000 | -16,606,000 | -16,798,000 | -17,887,000 | -18,171,000 | -18,310,000 | -18,384,000 | -17,759,000 | -17,697,000 | -30,366,000 | -30,583,000 | -43,246,000 | -43,531,000 | -40,735,000 | -41,004,000 | -46,425,000 | -46,968,000 | -47,510,000 | -48,078,000 | -40,249,000 | -40,809,000 | -35,341,000 | -35,789,000 | -36,185,000 | -37,891,000 | -38,206,000 | -38,582,000 | -40,246,000 | -40,924,000 | -37,032,000 | -37,198,000 | -37,538,000 | -56,937,000 | -56,821,000 | -56,615,000 | -46,448,000 | -29,575,000 | -52,930,000 | -32,268,000 | -31,261,000 | -97,292,000 | -97,292,000 | -48,855,000 | -9,393,000 | -8,893,000 | -19,797,000 | -1,000,000 | -3,645,000 | -33,816,000 | -81,421,000 | ||||||||||||||||||||||||||||||
total stockholders' equity | 2,903,638,000 | 2,723,094,000 | 2,731,904,000 | 2,743,136,000 | 2,690,574,000 | 3,057,985,000 | 3,017,804,000 | 2,980,941,000 | 2,905,233,000 | 2,757,434,000 | 2,706,193,000 | 3,575,382,000 | 3,587,129,000 | 3,491,858,000 | 3,386,810,000 | 3,360,718,000 | 3,382,874,000 | 3,332,278,000 | 3,198,802,000 | 3,100,306,000 | 3,079,105,000 | 3,012,765,000 | 2,897,687,000 | 2,836,592,000 | 2,847,246,000 | 2,795,606,000 | 2,660,301,000 | 2,605,692,000 | 2,566,775,000 | 2,521,293,000 | 2,451,078,000 | 2,426,111,000 | 2,429,043,000 | 2,353,917,000 | 2,302,952,000 | 2,313,905,000 | 2,316,244,000 | 2,285,061,000 | 2,237,610,000 | 2,382,381,000 | 2,396,505,000 | 2,376,631,000 | 2,542,931,000 | 2,801,728,000 | 3,134,041,000 | 3,083,255,000 | 3,000,506,000 | 2,901,588,000 | 2,823,164,000 | 2,731,593,000 | 2,678,720,000 | 2,663,882,000 | 2,648,248,000 | 2,742,930,000 | 2,820,272,000 | 2,773,598,000 | 2,775,567,000 | 2,791,079,000 | 2,725,350,000 | 2,689,083,000 | 2,692,802,000 | 2,571,647,000 | 2,761,076,000 | 2,531,319,000 | ||||||||||||||||||
total liabilities and stockholders' equity | 7,683,936,000 | 7,185,740,000 | 6,945,917,000 | 6,961,474,000 | 7,038,818,000 | 8,172,649,000 | 7,960,336,000 | 7,839,871,000 | 7,833,159,000 | 7,869,149,000 | 7,684,850,000 | 9,842,587,000 | 9,660,781,000 | 9,607,130,000 | 9,329,125,000 | 8,970,715,000 | 8,910,435,000 | 8,568,863,000 | 8,298,211,000 | 8,069,275,000 | 8,053,372,000 | 8,125,499,000 | 7,911,132,000 | 7,850,516,000 | 7,683,059,000 | 7,730,611,000 | 7,591,493,000 | 7,278,923,000 | 6,988,110,000 | 6,718,193,000 | 6,533,970,000 | 6,348,852,000 | 6,334,666,000 | 6,344,445,000 | 6,230,498,000 | 6,682,491,000 | 6,902,671,000 | 6,901,570,000 | 6,538,631,000 | 6,556,125,000 | 6,359,953,000 | 6,257,381,000 | 6,191,291,000 | 6,303,549,000 | ||||||||||||||||||||||||||||||||||||||
current assets of discontinued operations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent assets of discontinued operations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current liabilities of discontinued operations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent liabilities of discontinued operations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 204,331,170 at september 30, 2025, 203,888,237 atseptember 30, 2024 and 203,934,578 at december 31, 2024 | 204,331,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 204,331,170 at june 30, 2025, 203,888,237 atjune 30, 2024 and 203,934,578 at december 31, 2024 | 204,331,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 204,331,170 at march 31, 2025, 203,888,237 atmarch 31, 2024 and 203,934,578 at december 31, 2024 | 204,331,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
short-term borrowings | 95,000,000 | 306,400,000 | 345,000,000 | 501,500,000 | 246,500,000 | 100,000,000 | 100,000,000 | 99,958,000 | 50,000,000 | 50,000,000 | 50,000,000 | 50,000,000 | 75,000,000 | 75,000,000 | 139,988,000 | 89,983,000 | 70,000,000 | 61,525,000 | 45,500,000 | 29,500,000 | 26,000,000 | 16,100,000 | 11,500,000 | 7,000,000 | 31,600,000 | 37,500,000 | 28,200,000 | 11,000,000 | 20,000,000 | 4,700,000 | 3,700,000 | 7,700,000 | 10,300,000 | 25,500,000 | 105,100,000 | 89,030,000 | 79,960,000 | 79,960,000 | 1,700,000 | |||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,934,578 at december 31, 2024 and 203,689,090 at december 31, 2023 | 203,935,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
retained shares in knife river | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other intangible assets | 466,000 | 960,000 | 1,482,000 | 2,004,000 | 2,526,000 | 3,049,000 | 16,334,000 | 17,532,000 | 18,745,000 | 20,040,000 | 21,389,000 | 22,578,000 | 22,241,000 | 23,401,000 | 23,961,000 | 25,496,000 | 26,376,000 | 31,515,000 | 34,250,000 | 15,246,000 | 15,511,000 | 11,323,000 | 11,680,000 | 10,815,000 | 4,318,000 | 4,190,000 | 3,465,000 | 3,837,000 | 4,209,000 | 4,785,000 | 5,347,000 | 5,925,000 | 6,529,000 | 7,160,000 | 7,803,000 | 7,342,000 | 7,908,000 | 8,506,000 | 9,166,000 | 9,840,000 | 10,596,000 | 11,266,000 | 12,296,000 | 13,099,000 | 14,092,000 | 15,312,000 | 16,318,000 | 17,129,000 | 18,015,000 | 18,656,000 | 19,991,000 | 20,843,000 | 22,248,000 | 23,337,000 | 24,351,000 | 25,271,000 | 26,112,000 | 26,199,000 | 26,612,000 | 28,977,000 | 30,184,000 | 25,320,000 | 26,573,000 | 28,392,000 | 30,730,000 | 32,485,000 | 32,485,000 | 25,562,000 | 27,792,000 | 29,115,000 | 17,150,000 | 17,929,000 | 29,850,000 | 25,550,000 | 17,869,000 | 19,059,000 | 28,487,000 | |||||
operating lease right-of-use assets | 90,439,000 | 83,189,000 | 76,223,000 | 74,363,000 | 75,729,000 | 74,553,000 | 118,052,000 | 119,375,000 | 119,586,000 | 115,802,000 | 119,845,000 | 124,138,000 | 109,439,000 | 112,437,000 | 116,663,000 | 120,113,000 | 120,534,000 | 115,751,000 | 114,382,000 | 115,323,000 | 118,764,000 | 118,795,000 | 107,486,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
operating lease liabilities due within one year | 28,133,000 | 24,597,000 | 23,134,000 | 22,884,000 | 23,112,000 | 22,666,000 | 34,975,000 | 34,516,000 | 34,569,000 | 33,626,000 | 34,618,000 | 35,368,000 | 30,502,000 | 31,787,000 | 32,562,000 | 33,655,000 | 33,770,000 | 31,985,000 | 31,141,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
operating lease liabilities | 62,569,000 | 58,826,000 | 53,204,000 | 51,645,000 | 52,908,000 | 52,328,000 | 83,632,000 | 85,534,000 | 85,884,000 | 82,891,000 | 85,874,000 | 89,253,000 | 79,397,000 | 81,052,000 | 84,494,000 | 86,868,000 | 87,140,000 | 84,302,000 | 83,414,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,888,237 at september 30, 2024, 203,638,373 atseptember 30, 2023 and 203,689,090 at december 31, 2023 | 203,888,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,888,237 at june 30, 2024, 203,638,373 atjune 30, 2023 and 203,689,090 at december 31, 2023 | 203,888,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,888,237 at march 31, 2024, 204,162,814 atmarch 31, 2023 and 203,689,090 at december 31, 2023 | 203,888,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
treasury stock | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | -3,626,000 | ||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,689,090 at december 31, 2023 and 204,162,814 at december 31, 2022 | 203,689,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
investment in knife river | 276,213,000 | 246,063,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
less accumulated depreciation, depletion and amortization | 2,191,514,000 | 2,160,439,000 | 3,322,894,000 | 3,272,493,000 | 3,263,217,000 | 3,210,940,000 | 3,158,091,000 | 3,216,461,000 | 3,175,756,000 | 3,129,717,000 | 3,096,371,000 | 3,133,831,000 | 3,115,805,000 | 3,064,833,000 | 3,039,812,000 | 2,991,486,000 | 2,944,928,000 | 2,903,274,000 | 2,858,986,000 | 2,818,644,000 | 2,796,649,000 | 2,758,163,000 | 2,725,484,000 | 2,691,641,000 | 2,667,762,000 | 2,638,098,000 | 2,609,303,000 | 2,578,902,000 | 2,583,566,000 | 2,551,941,000 | 2,543,942,000 | 2,506,571,000 | 2,455,402,000 | 2,444,134,000 | 4,233,193,000 | 4,166,407,000 | 4,092,017,000 | 4,011,858,000 | 3,954,442,000 | 3,872,487,000 | 3,796,052,000 | 3,709,679,000 | 3,678,535,000 | 3,608,912,000 | 3,546,927,000 | 3,478,118,000 | 3,419,574,000 | 3,361,208,000 | 3,307,433,000 | 3,236,417,000 | 3,174,654,000 | 3,103,323,000 | 3,056,127,000 | 3,000,663,000 | 2,935,453,000 | 2,872,465,000 | 2,823,396,000 | 2,906,824,000 | 2,839,020,000 | 2,761,319,000 | 2,483,697,000 | 2,408,093,000 | 2,408,093,000 | 2,343,585,000 | 2,270,691,000 | 2,203,218,000 | 1,851,825,000 | 1,799,770,000 | 1,713,860,000 | 1,654,465,000 | 1,597,760,000 | 1,544,462,000 | 1,490,465,000 | |||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,638,373 at september 30, 2023, 203,889,661 atseptember 30, 2022 and 204,162,814 at december 31, 2022 | 203,638,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents | 50,780,000 | 93,189,000 | 80,517,000 | 74,620,000 | 65,394,000 | 64,904,000 | 54,161,000 | 57,241,000 | 57,946,000 | 55,094,000 | 59,547,000 | 66,070,000 | 64,358,000 | 116,526,000 | 66,459,000 | 67,000,000 | 71,966,000 | 49,721,000 | 53,948,000 | 67,077,000 | 41,659,000 | 58,764,000 | 34,599,000 | 37,356,000 | 40,048,000 | 50,735,000 | 46,107,000 | 59,868,000 | 85,117,000 | 90,938,000 | 84,591,000 | 88,630,000 | 144,372,000 | 122,241,000 | 81,855,000 | 233,676,000 | 90,318,000 | 83,700,000 | 45,225,000 | 66,174,000 | 114,971,000 | 74,149,000 | 49,042,000 | 74,242,000 | 101,643,000 | 91,389,000 | 162,772,000 | 118,702,000 | 107,768,000 | 136,016,000 | 222,074,000 | 36,285,000 | 65,792,000 | 106,664,000 | 175,114,000 | 61,449,000 | 34,310,000 | 44,689,000 | 51,714,000 | 57,126,000 | 82,039,000 | 82,039,000 | 71,504,000 | 105,820,000 | 94,528,000 | 68,134,000 | 51,574,000 | 70,205,000 | 116,698,000 | 109,749,000 | 107,435,000 | 98,392,000 | ||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,638,373 at june 30, 2023, 203,889,661 atjune 30, 2022 and 204,162,814 at december 31, 2022 | 203,638,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 204,162,814 at march 31, 2023, 203,889,661 atmarch 31, 2022 and 204,162,814 at december 31, 2022 | 204,163,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 204,162,814 at december 31, 2022 and 203,889,661 at december 31, 2021 | 204,163,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,889,661 at september 30, 2022, 203,889,661 atseptember 30, 2021 and 203,889,661 at december 31, 2021 | 203,889,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,889,661 at june 30, 2022, 202,822,301 atjune 30, 2021 and 203,889,661 at december 31, 2021 | 203,889,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,889,661 at march 31, 2022, 201,733,458 atmarch 31, 2021 and 203,889,661 at december 31, 2021 | 203,889,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,889,661 at december 31, 2021 and 201,061,198 at december 31, 2020 | 203,889,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 203,889,661 at september 30, 2021, 201,061,198 atseptember 30, 2020 and 201,061,198 at december 31, 2020 | 203,889,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 202,822,301 at june 30, 2021, 201,061,198 atjune 30, 2020 and 201,061,198 at december 31, 2020 | 202,822,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 201,733,458 at march 31, 2021, 201,061,198 atmarch 31, 2020 and 201,061,198 at december 31, 2020 | 201,733,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 201,061,198 at december 31, 2020 and 200,922,790 at december 31, 2019 | 201,061,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
asset retirement obligations due within one year | 4,198,000 | 4,200,000 | 4,256,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 201,061,198 at september 30, 2020, 200,876,334 atseptember 30, 2019 and 200,922,790 at december 31, 2019 | 201,061,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockauthorized - 500,000,000 shares, 1.00 par valueshares issued - 201,061,198 at june 30, 2020, 199,539,110 atjune 30, 2019 and 200,922,790 at december 31, 2019 | 201,061,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock authorized - 500,000,000 shares, 1.00 par value shares issued - 201,061,198 at march 31, 2020, 198,316,808 at march 31, 2019 and 200,922,790 at december 31, 2019 | 201,061,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current assets held for sale | 425,000 | 426,000 | 428,000 | 430,000 | 430,000 | 571,000 | 572,000 | 458,000 | 479,000 | 304,000 | 328,000 | 7,290,000 | 14,391,000 | 93,366,000 | 85,124,000 | 57,753,000 | 24,581,000 | 83,132,000 | 77,292,000 | 179,000 | 23,871,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
deferred charges and other assets: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent assets held for sale | 1,426,000 | 2,087,000 | 2,087,000 | 2,087,000 | 2,087,000 | 1,835,000 | 3,998,000 | 4,392,000 | 4,392,000 | 64,333,000 | 76,183,000 | 95,719,000 | 196,664,000 | 69,061,000 | 123,721,000 | 97,549,000 | 166,734,000 | 499,913,000 | 749,804,000 | 410,282,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total deferred charges and other assets | 1,319,560,000 | 1,322,553,000 | 1,278,557,000 | 1,255,696,000 | 1,086,681,000 | 1,054,534,000 | 1,059,969,000 | 1,052,104,000 | 1,047,870,000 | 1,120,179,000 | 1,129,518,000 | 1,142,602,000 | 1,249,799,000 | 1,077,654,000 | 1,132,928,000 | 1,106,856,000 | 1,175,765,000 | 1,498,745,000 | 1,755,921,000 | 970,912,000 | 970,321,000 | 894,174,000 | 896,837,000 | 894,729,000 | 900,326,000 | 948,192,000 | 948,391,000 | 947,572,000 | 952,328,000 | 968,187,000 | 978,344,000 | 967,483,000 | 967,049,000 | 919,286,000 | 911,783,000 | 913,754,000 | 917,540,000 | 921,467,000 | 916,326,000 | 910,699,000 | 889,761,000 | 889,852,000 | 889,887,000 | |||||||||||||||||||||||||||||||||||||||
current operating lease liabilities | 31,664,000 | 32,584,000 | 31,615,000 | 30,978,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current liabilities held for sale | 3,511,000 | 3,393,000 | 6,217,000 | 3,657,000 | 4,001,000 | 7,959,000 | 11,713,000 | 11,726,000 | 11,993,000 | 5,749,000 | 4,481,000 | 2,394,000 | 9,924,000 | 22,185,000 | 32,357,000 | 17,170,000 | 47,603,000 | 58,901,000 | 74,943,000 | 19,150,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
deferred credits and other liabilities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent operating lease liabilities | 83,742,000 | 86,166,000 | 87,172,000 | 76,444,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total deferred credits and other liabilities | 1,742,819,000 | 1,720,382,000 | 1,690,606,000 | 1,664,271,000 | 1,578,444,000 | 1,560,127,000 | 1,538,197,000 | 1,528,137,000 | 1,526,411,000 | 1,541,907,000 | 1,555,764,000 | 1,557,012,000 | 1,552,003,000 | 1,515,593,000 | 1,520,888,000 | 1,539,410,000 | 1,531,978,000 | 1,516,329,000 | 1,544,635,000 | 1,615,383,000 | 1,766,222,000 | 1,615,608,000 | 1,662,332,000 | 1,619,962,000 | 1,578,244,000 | 1,602,939,000 | 1,593,477,000 | 1,617,448,000 | 1,573,261,000 | 1,632,183,000 | 1,673,375,000 | 1,640,838,000 | 1,596,394,000 | 1,457,411,000 | 1,439,078,000 | 1,433,361,000 | 1,408,716,000 | 1,390,486,000 | 1,335,659,000 | 1,284,768,000 | 1,265,443,000 | 1,239,499,000 | 1,085,056,000 | |||||||||||||||||||||||||||||||||||||||
common stock | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 200,922,790 at december 31, 2019 and 196,564,907 at december 31, 2018 | 200,923,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 200,876,334 at september 30, 2019, 196,557,245 at september 30, 2018 and 196,564,907 at december 31, 2018 | 200,876,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 199,539,110 at june 30, 2019, 196,557,245 at june 30, 2018 and 196,564,907 at december 31, 2018 | 199,539,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 198,316,808 at march 31, 2019, 195,843,297 at march 31, 2018 and 196,564,907 at december 31, 2018 | 198,317,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par valueissued - 196,564,907 shares in 2018 and 195,843,297 shares in 2017 | 196,565,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 196,557,245 at september 30, 2018 and 195,843,297 at september 30, 2017 and december 31, 2017 | 196,557,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 196,557,245 at june 30, 2018 and 195,843,297 at june 30, 2017 and december 31, 2017 | 196,557,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
preferred stocks | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | 15,000,000 | |||||||||||||||||||||||||||||||||||
common stockholders' equity: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at march 31, 2018 and 2017 and december 31, 2017 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total common stockholders' equity | 2,426,111,000 | 2,429,043,000 | 2,353,917,000 | 2,302,952,000 | 2,298,905,000 | 2,301,244,000 | 2,270,061,000 | 2,222,610,000 | 2,367,381,000 | 2,381,505,000 | 2,361,631,000 | 2,527,931,000 | 2,786,728,000 | 3,119,041,000 | 3,068,255,000 | 2,985,506,000 | 2,886,588,000 | 2,808,164,000 | 2,716,593,000 | 2,663,720,000 | 2,648,882,000 | 2,633,248,000 | 2,727,930,000 | 2,805,272,000 | 2,758,598,000 | 2,760,567,000 | 2,776,079,000 | 2,710,350,000 | 2,674,083,000 | 2,677,802,000 | 2,556,647,000 | 2,746,076,000 | 2,516,319,000 | |||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 9)authorized - 500,000,000 shares, 1.00 par valueissued - 195,843,297 shares in 2017 and 2016 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at september 30, 2017 and 2016 and december 31, 2016 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at june 30, 2017 and 2016 and december 31, 2016 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
liabilities and equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent liabilities held for sale | 31,242,000 | 35,790,000 | 33,680,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
equity: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at march 31, 2017 and 2016 and december 31, 2016 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncontrolling interest | 113,003,000 | 124,043,000 | 138,240,000 | 143,961,000 | 132,715,000 | 115,743,000 | 75,248,000 | 63,936,000 | 48,216,000 | 32,738,000 | 18,897,000 | 15,922,000 | 11,100,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total equity | 2,313,905,000 | 2,316,244,000 | 2,285,061,000 | 2,237,610,000 | 2,495,384,000 | 2,520,548,000 | 2,514,871,000 | 2,686,892,000 | 2,934,443,000 | 3,249,784,000 | 3,158,503,000 | 3,064,442,000 | 2,949,804,000 | 2,855,902,000 | 2,750,490,000 | 2,694,642,000 | 2,674,982,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total liabilities and equity | 6,148,458,000 | 6,284,467,000 | 6,353,206,000 | 6,389,584,000 | 6,618,400,000 | 6,627,608,000 | 6,985,319,000 | 7,270,055,000 | 7,317,385,000 | 7,809,978,000 | 7,774,094,000 | 7,668,317,000 | 7,408,849,000 | 7,061,332,000 | 7,167,108,000 | 7,091,671,000 | 6,828,182,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 9)authorized - 500,000,000 shares, 1.00 par valueissued - 195,843,297 shares in 2016 and 195,804,665 shares in 2015 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at september 30, 2016, 195,804,665 at september 30, 2015 and december 31, 2015 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other liabilities | 820,349,000 | 811,106,000 | 811,659,000 | 755,107,000 | 755,742,000 | 810,626,000 | 813,809,000 | 727,801,000 | 736,519,000 | 720,542,000 | 718,938,000 | 794,928,000 | 810,639,000 | 814,643,000 | 818,159,000 | 834,934,000 | 833,692,000 | 842,169,000 | 827,228,000 | 710,465,000 | 711,516,000 | 731,428,000 | 736,447,000 | 718,331,000 | 708,403,000 | 680,965,000 | 674,475,000 | 691,961,000 | 544,104,000 | 551,175,000 | 562,801,000 | 430,613,000 | 472,989,000 | 472,989,000 | 416,672,000 | 396,430,000 | 398,353,000 | 349,895,000 | 357,353,000 | 295,496,000 | 281,934,000 | 280,742,000 | 272,084,000 | 264,188,000 | ||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at june 30, 2016, 195,411,301 at june 30, 2015 and 195,804,665 at december 31, 2015 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value shares issued - 195,843,297 at march 31, 2016, 195,191,129 at march 31, 2015 and 195,804,665 at december 31, 2015 | 195,843,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 10)authorized - 500,000,000 shares, 1.00 par valueissued - 195,804,665 shares in 2015 and 194,754,812 shares in 2014 | 195,805,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par valueshares issued - 195,804,665 at september 30, 2015, 194,548,389 atseptember 30, 2014 and 194,754,812 at december 31, 2014 | 195,805,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 500,000,000 shares, 1.00 par value | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 195,411,301 at june 30, 2015,194,138,654 at june 30, 2014 and 194,754,812 at december 31, 2014 | 195,411,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
commodity derivative instruments | 7,127,000 | 18,335,000 | 11,322,000 | 129,000 | 81,000 | 1,447,000 | 4,373,000 | 9,797,000 | 5,936,000 | 18,304,000 | 19,193,000 | 37,000,000 | 26,698,000 | 27,687,000 | 38,794,000 | 14,234,000 | 13,250,000 | 15,123,000 | 26,803,000 | 24,932,000 | 38,146,000 | 7,761,000 | 28,421,000 | 62,048,000 | 92,577,000 | 78,164,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 195,191,129 at march 31, 2015,191,838,720 at march 31, 2014 and 194,754,812 at december 31, 2014 | 195,191,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 12)authorized - 500,000,000 shares, 1.00 par valueissued - 194,754,812 shares in 2014 and 189,868,780 shares in 2013 | 194,755,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 194,548,389 at september 30, 2014, 189,369,450 at september 30, 2013 and 189,868,780 at december 31, 2013 | 194,548,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 194,138,654 at june 30, 2014, 189,369,450 at june 30, 2013 and 189,868,780 at december 31, 2013 | 194,139,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 191,838,720 at march 31, 2014, 189,369,450 at march 31, 2013 and 189,868,780 at december 31, 2013 | 191,839,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 12)authorized - 500,000,000 shares, 1.00 par valueissued - 189,868,780 shares in 2013 and 189,369,450 shares in 2012 | 189,869,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at september 30, 2013 and 2012 and december 31, 2012 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at june 30, 2013 and 2012 and december 31, 2012 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at march 31, 2013 and 2012 and december 31, 2012 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stock (note 12)authorized - 500,000,000 shares, 1.00 par valueissued - 189,369,450 shares in 2012 and 189,332,485 shares in 2011 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at september 30, 2012, 189,332,485 at september 30, 2011 and 189,332,485 at december 31, 2011 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at june 30, 2012, 189,332,485 at june 30, 2011 and 189,332,485 at december 31, 2011 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued - 189,369,450 at march 31, 2012, 189,332,485 at march 31, 2011 and 189,332,485 at december 31, 2011 | 189,369,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued - 189,332,485 shares in 2011 and 188,901,379 shares in 2010 | 189,332,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 189,332,485 at september 30, 2011, 188,732,200 at september 30, 2010 and 188,901,379 at december 31, 2010 | 189,332,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
accumulated other comprehensive income | -588,000 | -53,112,000 | 496,000 | -463,000 | 635,000 | -20,833,000 | -18,338,000 | 1,669,000 | 21,109,000 | 10,365,000 | 9,288,000 | -6,327,000 | 8,271,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 189,332,485 at june 30, 2011, 188,672,532 at june 30, 2010 and 188,901,379 at december 31, 2010 | 189,332,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 189,332,485 at march 31, 2011, 188,656,012 at march 31, 2010 and 188,901,379 at december 31, 2010 | 189,332,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized – 500,000,000 shares, 1.00 par value | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued – 188,901,379 shares in 2010 and 188,389,265 shares in 2009 | 188,901,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
short-term investments | 250,000 | 250,000 | 250,000 | 2,833,000 | 1,644,000 | 1,967,000 | 2,329,000 | 2,467,000 | 13,271,000 | 13,768,000 | 13,768,000 | 13,491,000 | 91,550,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
liabilities and stockholders’ equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
stockholders’ equity: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
common stockholders’ equity: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 188,732,200 at september 30, 2010, 187,673,037 at september 30, 2009 and 188,389,265 at december 31, 2009 | 188,732,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total common stockholders’ equity | 2,647,121,000 | 2,612,740,000 | 2,593,020,000 | 2,501,277,000 | 2,395,102,000 | 2,386,599,000 | 2,774,614,000 | 2,575,607,000 | 2,575,607,000 | 2,526,342,000 | 2,448,264,000 | 2,256,670,000 | 2,177,156,000 | 2,105,830,000 | 1,995,450,000 | 1,940,944,000 | 1,876,622,000 | 1,771,014,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total stockholders’ equity | 2,662,121,000 | 2,627,740,000 | 2,608,020,000 | 2,516,277,000 | 2,410,102,000 | 2,401,599,000 | 2,789,614,000 | 2,590,607,000 | 2,590,607,000 | 2,541,342,000 | 2,463,264,000 | 2,271,670,000 | 2,192,156,000 | 2,120,830,000 | 2,010,450,000 | 1,955,944,000 | 1,891,622,000 | 1,786,014,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
total liabilities and stockholders’ equity | 6,216,955,000 | 6,112,806,000 | 5,981,847,000 | 5,990,952,000 | 5,872,572,000 | 5,823,364,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 188,672,532 at june 30, 2010, 184,508,109 at june 30, 2009 and 188,389,265 at december 31, 2009 | 188,673,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 188,656,012 at march 31, 2010; 184,499,434 at march 31, 2009 and 188,389,265 at december 31, 2009 | 188,656,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued – 188,389,265 shares in 2009 and 184,208,283 shares in 2008 | 188,389,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued – 1.00 par value, 187,673,037 at september 30, 2009, 183,770,147 at september 30, 2008 and 184,208,283 at december 31, 2008 | 187,673,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 184,508,109 at june 30, 2009, 183,706,236 at june 30, 2008 and 184,208,283 at december 31, 2008 | 184,508,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 184,499,434 at march 31, 2009; 183,336,872 at march 31, 2008 and 184,208,283 at december 31, 2008 | 184,499,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued – 184,208,283 shares in 2008 and 182,946,528 shares in 2007 | 184,208,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 183,770,147 at september 30, 2008, 182,914,769 at september 30, 2007 and 182,946,528 at december 31, 2007 | 183,770,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current assets held for sale and related to discontinued operations | 594,000 | 69,662,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent assets held for sale and related to discontinued operations | 140,000 | 410,662,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
current liabilities held for sale and related to discontinued operations | 14,156,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncurrent liabilities held for sale and related to discontinued operations | 35,488,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 183,706,236 at june 30, 2008, 182,416,029 at june 30, 2007 and 182,946,528 at december 31, 2007 | 183,706,000 | 183,706,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 183,336,872 at march 31, 2008, 182,319,441 at march 31, 2007 and 182,946,528 at december 31, 2007 | 183,337,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized – 500,000,000 shares, 1.00 par value in 2007, 250,000,000 shares, 1.00 par value in 2006 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued – 182,946,528 shares in 2007 and 181,557,543 shares in 2006 | 182,947,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 182,914,769 at september 30, 2007, 181,279,379 at september 30, 2006 and 181,557,543 at december 31, 2006 | 182,915,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value, 182,416,029 at june 30, 2007, 180,515,943 at june 30, 2006 and 181,557,543 at december 31, 2006 | 182,416,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 182,319,441 at march 31, 2007, 120,290,305 at march 31, 2006 and 181,557,543 at december 31, 2006 | 182,319,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
assets current assets: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 181,279,379 at september 30, 2006, 120,191,877 at september 30, 2005 and 120,262,786 at december 31, 2005 | 181,279,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 180,515,943 at june 30, 2006, 120,093,303 at june 30, 2005 and 120,262,786 at december 31, 2005 | 180,516,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 120,290,305 at march 31, 2006, 118,774,075 at march 31, 2005 and 120,262,786 at december 31, 2005 | 120,290,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
authorized - 250,000,000 shares, 1.00 par value | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issued - 120,262,786 shares in 2005 and 118,586,065 shares in 2004 | 120,263,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
shares issued -- 1.00 par value 120,191,877 at september 30, 2005, 118,395,863 at september 30, 2004 and 118,586,065 at december 31, 2004 | 120,192,000 |
Cashflow Statements:
Quarterly
Annual
| Unit: USD | 2026-03-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 | 2023-09-30 | 2023-06-30 | 2023-03-31 | 2022-12-31 | 2022-09-30 | 2022-06-30 | 2022-03-31 | 2021-12-31 | 2021-09-30 | 2021-06-30 | 2021-03-31 | 2020-12-31 | 2020-09-30 | 2020-06-30 | 2020-03-31 | 2019-12-31 | 2019-09-30 | 2019-06-30 | 2019-03-31 | 2018-12-31 | 2018-09-30 | 2018-06-30 | 2018-03-31 | 2017-12-31 | 2017-09-30 | 2017-06-30 | 2017-03-31 | 2016-12-31 | 2016-09-30 | 2016-06-30 | 2016-03-31 | 2015-12-31 | 2015-09-30 | 2015-06-30 | 2015-03-31 | 2014-12-31 | 2014-09-30 | 2014-06-30 | 2014-03-31 | 2013-12-31 | 2013-09-30 | 2013-06-30 | 2013-03-31 | 2012-12-31 | 2012-09-30 | 2012-06-30 | 2012-03-31 | 2011-12-31 | 2011-09-30 | 2011-06-30 | 2011-03-31 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | 2009-12-31 | 2009-09-30 | 2009-06-30 | 2009-03-31 | 2008-12-31 | 2008-09-30 | 2008-06-15 | 2008-03-31 | 2007-12-31 | 2007-09-30 | 2007-06-30 | 2007-03-31 | 2006-09-30 | 2006-06-30 | 2006-03-31 | 2005-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
operating activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net income | 80,817,000 | 18,311,000 | 13,780,000 | 81,965,000 | 55,158,000 | 64,616,000 | 60,436,000 | 100,898,000 | 170,733,000 | 74,930,000 | 130,691,000 | 38,353,000 | 117,088,000 | 147,971,000 | 70,667,000 | 31,763,000 | 86,534,000 | 139,276,000 | 100,190,000 | 52,131,000 | 112,294,000 | 153,078,000 | 99,703,000 | 25,130,000 | 95,065,000 | 137,637,000 | 61,825,000 | 40,926,000 | 78,828,000 | 107,251,000 | 43,802,000 | 42,437,000 | 115,312,000 | 87,352,000 | 41,214,000 | 37,325,000 | 13,829,000 | 38,338,000 | -149,226,000 | -237,358,000 | -309,445,000 | 82,750,000 | 102,122,000 | 53,327,000 | 56,139,000 | 91,290,000 | 84,432,000 | 46,333,000 | 56,515,000 | -60,987,000 | -29,671,000 | 54,114,000 | 35,790,000 | 61,007,000 | 63,975,000 | 45,067,000 | 42,977,000 | 88,940,000 | 61,009,000 | 48,938,000 | 41,772,000 | 72,634,000 | 92,583,000 | 55,312,000 | -343,803,000 | -11,267,000 | 118,382,000 | 115,507,000 | 71,051,000 | 94,722,000 | 201,261,000 | 89,475,000 | 46,662,000 | 108,487,000 | 71,443,000 | 53,246,000 | 73,267,000 | |||
loss from discontinued operations, net of tax | -130,000 | -45,000 | -77,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income from continuing operations | 80,947,000 | 18,350,000 | 14,177,000 | 82,467,000 | -42,558,000 | 62,159,000 | 60,574,000 | 100,898,000 | 170,699,000 | 78,218,000 | 193,165,000 | 38,343,000 | 116,978,000 | 147,933,000 | 70,632,000 | 31,733,000 | 86,482,000 | 138,962,000 | 100,171,000 | 52,116,000 | 112,132,000 | 153,014,000 | 99,842,000 | 25,539,000 | 94,804,000 | 136,128,000 | 63,145,000 | 41,089,000 | 75,981,000 | 107,369,000 | 44,076,000 | 41,960,000 | 115,393,000 | 89,550,000 | 44,405,000 | 35,638,000 | 66,546,000 | 88,386,000 | 63,500,000 | 14,664,000 | 32,076,000 | 53,401,000 | 338,662,000 | -309,445,000 | 80,079,000 | 102,118,000 | 52,780,000 | 56,184,000 | 91,348,000 | 84,550,000 | 46,392,000 | 56,592,000 | -29,532,000 | 49,008,000 | 35,890,000 | 74,087,000 | 64,101,000 | 45,235,000 | 42,529,000 | -11,267,000 | 118,382,000 | 115,507,000 | 71,051,000 | 94,847,000 | 104,496,000 | 82,036,000 | 41,407,000 | |||||||||||||
adjustments to reconcile net income to net cash from operating activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
depreciation and amortization | 54,179,000 | 52,046,000 | 51,853,000 | 51,261,000 | 32,287,000 | 56,160,000 | 55,881,000 | 55,750,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
deferred income taxes | 8,191,000 | 6,530,000 | -5,316,000 | -13,687,000 | -3,789,000 | -3,709,000 | -9,639,000 | 1,059,000 | -68,159,000 | 8,267,000 | 46,622,000 | 8,856,000 | 4,585,000 | 17,277,000 | 7,930,000 | -6,466,000 | 29,897,000 | 15,855,000 | 4,655,000 | 9,843,000 | -18,210,000 | 13,528,000 | 1,068,000 | 1,813,000 | 14,193,000 | 26,469,000 | 10,095,000 | 12,658,000 | 17,307,000 | 38,242,000 | -3,294,000 | 6,902,000 | -12,335,000 | -12,238,000 | 185,507,000 | -160,633,000 | 50,009,000 | -23,135,000 | 24,176,000 | 35,965,000 | 40,566,000 | 26,422,000 | -24,873,000 | 44,663,000 | -36,677,000 | 44,391,000 | 32,596,000 | 38,940,000 | 19,025,000 | 26,458,000 | 34,502,000 | -4,737,000 | 35,564,000 | 27,532,000 | 8,226,000 | 30,476,000 | 6,715,000 | 21,809,000 | -228,764,000 | -808,000 | 30,828,000 | 22,166,000 | 12,704,000 | 25,885,000 | 16,631,000 | 11,070,000 | 13,686,000 | 11,453,000 | 10,897,000 | 6,595,000 | 18,534,000 | |||||||||
provision for credit losses | 2,622,000 | 2,225,000 | 27,000 | 3,152,000 | 1,656,000 | 1,934,000 | 681,000 | 2,287,000 | 3,855,000 | 3,907,000 | 1,669,000 | 4,193,000 | 2,875,000 | 1,014,000 | 509,000 | 1,735,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
amortization of debt issuance costs | 366,000 | 309,000 | 310,000 | 309,000 | 661,000 | 436,000 | 503,000 | 228,000 | 216,000 | 199,000 | 412,000 | 380,000 | 381,000 | 371,000 | 368,000 | 341,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
employee stock-based compensation costs | 1,932,000 | 1,636,000 | 1,638,000 | 1,646,000 | 1,356,000 | 1,947,000 | 1,947,000 | 3,173,000 | 2,366,000 | 2,203,000 | -1,368,000 | 3,108,000 | 3,766,000 | 1,110,000 | 2,689,000 | 2,689,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
pension and postretirement benefit plan net periodic benefit cost | 348,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized losses on other mark-to-market investments | 505,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
changes in current assets and liabilities, net of acquisitions: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
receivables | 33,042,000 | 6,790,000 | 114,343,000 | 15,128,000 | -44,820,000 | -9,617,000 | 11,844,000 | 12,283,000 | -50,932,000 | 37,060,000 | 109,337,000 | 14,969,000 | -16,435,000 | -104,627,000 | -236,529,000 | -5,723,000 | 44,414,000 | -85,922,000 | -107,923,000 | 89,407,000 | 107,937,000 | -59,340,000 | -85,350,000 | 44,549,000 | 62,711,000 | 63,684,000 | 58,435,000 | -139,032,000 | 101,371,000 | 79,762,000 | -65,095,000 | -34,112,000 | 25,611,000 | -41,845,000 | -97,843,000 | 32,206,000 | -87,126,000 | -104,387,000 | 101,917,000 | -75,088,000 | -33,001,000 | 50,260,000 | -1,963,000 | -84,223,000 | -34,765,000 | 61,914,000 | -8,208,000 | -8,635,000 | 20,464,000 | 129,318,000 | 84,096,000 | -10,381,000 | -76,547,000 | 29,997,000 | 27,346,000 | -53,519,000 | -93,863,000 | 79,780,000 | -69,408,000 | -88,641,000 | 55,778,000 | 47,360,000 | ||||||||||||||||||
inventories | 19,303,000 | -25,560,000 | -1,633,000 | 26,590,000 | 6,553,000 | -23,150,000 | -11,284,000 | 28,127,000 | -7,900,000 | -21,121,000 | 42,312,000 | -40,885,000 | 14,082,000 | 3,170,000 | -19,760,000 | -44,080,000 | -20,900,000 | 3,928,000 | 283,000 | -25,613,000 | 2,360,000 | 16,695,000 | 6,851,000 | 7,088,000 | -23,196,000 | -44,408,000 | 28,704,000 | -29,048,000 | -19,809,000 | 28,890,000 | 31,485,000 | -10,797,000 | -19,126,000 | 17,981,000 | -20,010,000 | -38,357,000 | 8,150,000 | -15,520,000 | -13,634,000 | 7,837,000 | -123,000 | -6,244,000 | -6,198,000 | 21,801,000 | 18,742,000 | -13,227,000 | -13,347,000 | 26,846,000 | -8,938,000 | -39,492,000 | 3,010,000 | 28,051,000 | -18,491,000 | -14,929,000 | -1,761,000 | -17,810,000 | -32,969,000 | -280,000 | 27,720,000 | |||||||||||||||||||||
other current assets | -14,344,000 | -39,142,000 | -5,999,000 | 92,739,000 | 43,970,000 | 4,925,000 | -4,488,000 | 36,570,000 | 15,279,000 | -40,547,000 | 30,694,000 | -58,308,000 | 22,045,000 | -44,293,000 | -21,603,000 | 34,491,000 | 2,449,000 | -21,645,000 | -5,931,000 | -46,837,000 | 30,332,000 | -29,521,000 | 15,831,000 | 14,959,000 | 6,566,000 | 22,506,000 | 21,317,000 | 24,235,000 | 24,894,000 | -20,349,000 | 17,044,000 | -15,136,000 | -22,324,000 | 2,647,000 | 7,811,000 | -25,855,000 | 18,809,000 | 15,044,000 | -12,000,000 | -21,556,000 | 4,753,000 | 22,576,000 | -703,000 | -18,897,000 | 24,698,000 | 349,000 | 2,075,000 | -34,546,000 | 660,000 | 19,306,000 | 7,395,000 | 40,442,000 | -203,000 | 46,631,000 | -50,510,000 | -60,689,000 | 32,207,000 | -14,304,000 | 12,672,000 | -37,931,000 | 25,803,000 | -13,492,000 | -26,125,000 | 1,961,000 | ||||||||||||||||
accounts payable | -14,751,000 | -156,000 | -19,546,000 | -28,034,000 | -7,619,000 | 43,029,000 | 5,615,000 | -41,468,000 | 55,644,000 | 4,985,000 | -43,759,000 | -93,549,000 | 37,829,000 | 44,005,000 | 101,471,000 | 2,980,000 | -17,926,000 | 37,018,000 | 38,120,000 | -41,965,000 | -3,170,000 | 5,738,000 | 17,017,000 | 11,664,000 | 1,042,000 | 356,000 | 4,954,000 | 407,000 | -4,084,000 | 18,486,000 | -8,475,000 | 8,175,000 | -12,851,000 | 17,041,000 | 98,261,000 | -53,334,000 | 1,270,000 | -11,752,000 | -11,525,000 | -10,733,000 | 6,877,000 | 54,031,000 | -35,091,000 | -15,459,000 | 28,930,000 | 22,732,000 | -29,851,000 | -4,840,000 | 18,678,000 | -21,875,000 | -1,949,000 | 32,946,000 | 21,631,000 | -34,795,000 | 12,117,000 | -7,724,000 | -6,397,000 | -59,863,000 | 27,554,000 | -18,302,000 | 47,088,000 | -28,135,000 | 44,664,000 | -8,318,000 | 37,085,000 | -48,729,000 | 34,822,000 | 55,441,000 | -24,980,000 | -37,168,000 | ||||||||||
other current liabilities | -11,182,000 | 42,308,000 | -17,169,000 | -11,324,000 | -52,309,000 | 57,817,000 | -6,871,000 | -3,889,000 | 24,687,000 | 23,220,000 | 2,375,000 | 16,715,000 | -35,095,000 | 32,928,000 | 16,092,000 | 13,086,000 | -31,825,000 | 36,780,000 | -8,628,000 | -13,977,000 | -38,695,000 | 47,674,000 | -2,180,000 | 37,873,000 | -9,686,000 | 24,122,000 | -61,999,000 | -12,827,000 | 15,759,000 | 19,414,000 | 13,800,000 | -495,000 | 10,246,000 | 12,693,000 | -16,119,000 | 69,214,000 | -8,092,000 | -28,355,000 | 10,712,000 | -4,391,000 | 30,409,000 | -7,338,000 | 12,568,000 | -11,811,000 | -33,751,000 | 2,146,000 | 41,345,000 | 5,985,000 | -15,738,000 | 12,436,000 | 45,466,000 | -23,880,000 | -21,733,000 | 9,851,000 | 31,970,000 | -19,495,000 | 21,713,000 | -15,128,000 | -34,819,000 | -8,098,000 | 19,307,000 | -63,114,000 | 78,222,000 | -12,089,000 | -25,951,000 | 23,576,000 | -19,668,000 | 8,312,000 | -23,748,000 | |||||||||||
pension and postretirement benefit plan contributions | -220,000 | -342,000 | -2,080,000 | -385,000 | -443,000 | -2,048,000 | -501,000 | -8,000 | -102,000 | -7,524,000 | 142,000 | -159,000 | -132,000 | -113,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
other noncurrent changes | -11,600,000 | -4,564,000 | -9,628,000 | -2,162,000 | 33,587,000 | -45,350,000 | 34,912,000 | -24,800,000 | -19,313,000 | -4,968,000 | 11,400,000 | -9,794,000 | 9,891,000 | -11,326,000 | -5,648,000 | 1,139,000 | -29,942,000 | -17,189,000 | -7,184,000 | -1,052,000 | 22,340,000 | 784,000 | -11,249,000 | 326,000 | 2,161,000 | 5,793,000 | 20,065,000 | -6,065,000 | -9,537,000 | -13,277,000 | -8,702,000 | -4,936,000 | -23,408,000 | 3,577,000 | -4,318,000 | -9,613,000 | -1,721,000 | -8,349,000 | -5,939,000 | 2,541,000 | -20,510,000 | -8,312,000 | -7,077,000 | 1,877,000 | -6,759,000 | 1,740,000 | -1,282,000 | 4,445,000 | -9,586,000 | -7,507,000 | -6,722,000 | -2,842,000 | 9,223,000 | 2,364,000 | 8,337,000 | -10,281,000 | 9,174,000 | 7,203,000 | 9,810,000 | -3,273,000 | 8,057,000 | |||||||||||||||||||
net cash from continuing operations | 149,338,000 | 57,947,000 | 117,612,000 | 217,974,000 | -27,655,000 | 137,761,000 | 136,610,000 | 165,097,000 | 157,629,000 | 105,095,000 | 273,710,000 | -43,677,000 | 224,900,000 | 167,484,000 | 5,049,000 | 112,417,000 | 130,217,000 | 183,016,000 | 87,224,000 | 95,645,000 | 287,294,000 | 220,657,000 | 182,074,000 | 79,724,000 | 338,134,000 | 2,091,000 | 183,722,000 | 143,743,000 | 70,798,000 | 105,560,000 | 119,331,000 | 124,234,000 | 22,412,000 | 83,235,000 | 153,610,000 | 141,170,000 | 60,398,000 | 67,780,000 | 181,192,000 | 173,494,000 | -8,240,000 | 94,661,000 | 212,850,000 | 191,741,000 | 74,003,000 | 137,029,000 | 313,204,000 | 195,142,000 | 96,995,000 | 136,571,000 | 251,232,000 | 161,189,000 | 49,899,000 | 125,100,000 | 215,135,000 | 157,401,000 | 133,959,000 | 120,827,000 | 337,350,000 | 210,032,000 | 96,247,000 | 142,558,000 | 274,353,000 | 179,728,000 | 79,967,000 | 100,533,000 | ||||||||||||||
net cash from discontinued operations | -130,000 | -38,000 | -200,000 | -502,000 | 88,187,000 | 2,456,000 | 84,000 | -3,282,000 | -156,961,000 | 29,000 | 231,000 | -1,000 | -9,000 | -7,000 | -250,000 | -17,000 | -33,000 | -25,000 | -687,000 | -292,000 | 0 | 1,012,000 | -7,000 | 231,000 | 56,779,000 | 8,174,000 | 30,542,000 | 3,304,000 | 32,124,000 | -20,913,000 | 2,334,000 | 25,706,000 | 77,758,000 | 34,967,000 | -382,000 | 1,032,000 | -499,000 | 8,000 | 27,000 | -106,000 | 57,000 | 303,000 | -6,568,000 | -151,000 | -107,000 | -81,000 | -125,000 | -366,000 | -24,639,000 | -4,866,000 | -47,480,000 | 5,596,000 | ||||||||||||||||||||||||||||
net cash from operating activities | 149,208,000 | 57,909,000 | 117,412,000 | 217,472,000 | 60,532,000 | 140,217,000 | 136,472,000 | 165,097,000 | 157,713,000 | 101,813,000 | 116,749,000 | -43,648,000 | 225,131,000 | 167,483,000 | 5,040,000 | 112,410,000 | 129,967,000 | 182,999,000 | 87,191,000 | 95,620,000 | 286,607,000 | 220,365,000 | 182,112,000 | 79,290,000 | 339,177,000 | 1,584,000 | 182,500,000 | 140,799,000 | 70,791,000 | 105,791,000 | 176,110,000 | 132,408,000 | 52,954,000 | 86,539,000 | 185,734,000 | 173,826,000 | 57,423,000 | 45,226,000 | 258,950,000 | 208,461,000 | 79,072,000 | 94,661,000 | 212,468,000 | 192,773,000 | 73,504,000 | 137,037,000 | 313,231,000 | 195,036,000 | 97,052,000 | 136,874,000 | 255,378,000 | 154,621,000 | 49,748,000 | 124,993,000 | 215,033,000 | 157,320,000 | 133,834,000 | 120,461,000 | 180,113,000 | 168,149,000 | 118,255,000 | 85,116,000 | 217,464,000 | 230,797,000 | 150,601,000 | 247,824,000 | 337,350,000 | 210,032,000 | 96,247,000 | 142,558,000 | 249,714,000 | 174,862,000 | 32,487,000 | 106,129,000 | 197,173,000 | 59,836,000 | 131,633,000 | 179,483,000 | ||
investing activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
capital expenditures | -92,412,000 | -179,822,000 | -80,948,000 | -93,034,000 | -121,835,000 | -157,533,000 | -117,247,000 | -126,209,000 | -149,141,000 | -138,448,000 | -78,088,000 | -154,049,000 | -193,586,000 | -172,857,000 | -139,857,000 | -150,288,000 | -231,311,000 | -166,177,000 | -150,846,000 | -111,091,000 | -144,165,000 | -165,042,000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -166,435,000 | -189,463,000 | 0 | -248,605,000 | -210,480,000 | -179,646,000 | 0 | -217,026,000 | -242,964,000 | -188,475,000 | 0 | -241,327,000 | -214,020,000 | -174,429,000 | 0 | -114,527,000 | -142,270,000 | -82,664,000 | -109,061,000 | -102,686,000 | -113,633,000 | -123,902,000 | -103,896,000 | -71,912,000 | -127,512,000 | -145,355,000 | -188,253,000 | -172,211,000 | -220,699,000 | -165,315,000 | -178,196,000 | -137,358,000 | -118,971,000 | -123,758,000 | -131,828,000 | -129,356,000 | -136,895,000 | -169,297,000 | ||
free cash flows | 56,796,000 | -121,913,000 | 36,464,000 | 124,438,000 | -61,303,000 | -17,316,000 | 19,225,000 | 38,888,000 | 8,572,000 | -36,635,000 | 38,661,000 | -197,697,000 | 31,545,000 | -5,374,000 | -134,817,000 | -37,878,000 | -101,344,000 | 16,822,000 | -63,655,000 | -15,471,000 | 142,442,000 | 55,323,000 | 182,112,000 | 79,290,000 | 339,177,000 | 1,584,000 | 182,500,000 | 140,799,000 | 70,791,000 | 105,791,000 | 176,110,000 | 132,408,000 | 52,954,000 | 86,539,000 | 185,734,000 | 173,826,000 | 57,423,000 | 45,226,000 | 258,950,000 | 208,461,000 | -87,363,000 | -94,802,000 | 212,468,000 | -55,832,000 | -136,976,000 | -42,609,000 | 313,231,000 | -21,990,000 | -145,912,000 | -51,601,000 | 255,378,000 | -86,706,000 | -164,272,000 | -49,436,000 | 215,033,000 | 42,793,000 | -8,436,000 | 37,797,000 | 71,052,000 | 65,463,000 | 4,622,000 | -38,786,000 | 113,568,000 | 158,885,000 | 23,089,000 | 102,469,000 | 149,097,000 | 37,821,000 | -124,452,000 | -22,757,000 | 71,518,000 | 37,504,000 | -86,484,000 | -17,629,000 | 65,345,000 | -69,520,000 | -5,262,000 | 10,186,000 | ||
(cost of removal, net)/salvage value | -738,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
purchase of investment securities | -2,048,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
proceeds from investment securities | 4,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net cash from investing activities | -91,198,000 | -185,328,000 | -79,678,000 | -94,739,000 | -160,275,000 | -156,446,000 | -118,700,000 | -117,264,000 | -125,093,000 | -139,107,000 | -125,567,000 | -151,024,000 | -173,533,000 | -174,323,000 | -140,357,000 | -150,668,000 | -453,220,000 | -166,158,000 | -160,173,000 | -106,327,000 | -168,409,000 | -165,296,000 | 45,589,000 | -242,165,000 | -160,213,000 | -57,777,000 | -205,408,000 | -380,313,000 | -194,827,000 | -239,726,000 | -170,813,000 | -238,767,000 | -257,148,000 | -156,442,000 | -106,901,000 | -136,748,000 | -82,153,000 | 21,223,000 | -98,284,000 | -208,596,000 | -122,287,000 | -99,176,000 | -61,465,000 | -128,535,000 | -142,970,000 | -394,799,000 | -162,085,000 | -224,709,000 | -325,728,000 | -244,292,000 | 118,308,000 | -111,678,000 | -104,602,000 | -180,648,000 | -245,826,000 | -132,483,000 | -207,473,000 | |||||||||||||||||||||||
financing activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issuance of long-term debt | 138,449,000 | 6,200,000 | 188,700,000 | 24,500,000 | 89,200,000 | 314,800,000 | 22,400,000 | 214,054,000 | 175,446,000 | 91,400,000 | -64,079,000 | 184,329,000 | 150,000,000 | 375,510,000 | 6,748,000 | 78,474,000 | 93,295,000 | 16,848,000 | -100,275,000 | -47,621,000 | 248,021,000 | 296,731,000 | -66,251,000 | 227,637,000 | 141,338,000 | 209,877,000 | 116,206,000 | 139,158,000 | 101,588,000 | 7,375,000 | 69,610,000 | 3,842,000 | 59,985,000 | -32,713,000 | -45,848,000 | 161,040,000 | 226,585,000 | 18,450,000 | 6,482,000 | 171,656,000 | 149,332,000 | -66,267,000 | 230,904,000 | 131,946,000 | 309,501,000 | 10,606,000 | 46,857,000 | 338,446,000 | 112,015,000 | 67,514,000 | 100,498,000 | 0 | -5,700,000 | 2,401,000 | -65,193,000 | 40,000,000 | -4,400,000 | 50,309,000 | 59,091,000 | 101,945,000 | -27,660,000 | 201,485,000 | 178,159,000 | 35,250,000 | -101,578,000 | 177,813,000 | 8,765,000 | 58,851,000 | 222,647,000 | 113,006,000 | 61,445,000 | |||||||||
repayment of long-term debt | -218,937,000 | 48,196,000 | -11,904,000 | -99,104,000 | -34,404,000 | -136,604,000 | -10,504,000 | -623,000 | -358,004,000 | 71,197,000 | -336,300,000 | -169,891,000 | -238,519,000 | 124,389,000 | -3,922,000 | -143,622,000 | 38,856,000 | -15,684,000 | 5,150,000 | -53,301,000 | -74,935,000 | 88,526,000 | 16,025,000 | -54,162,000 | -207,452,000 | -53,307,000 | -58,232,000 | -41,507,000 | -147,350,000 | -67,123,000 | -14,854,000 | -50,308,000 | -8,297,000 | -2,603,000 | -572,000 | -80,630,000 | -6,123,000 | -6,731,000 | -335,000 | -479,000 | -40,211,000 | -160,672,000 | -29,140,000 | -62,884,000 | -46,099,000 | -28,791,000 | -120,744,000 | -4,893,000 | -5,673,000 | -141,763,000 | -60,336,000 | -24,692,000 | -109,279,000 | -5,717,000 | -91,441,000 | -2,784,000 | ||||||||||||||||||||||||
debt issuance costs | -525,000 | -215,000 | -6,000 | -5,000 | -40,000 | -779,000 | -1,110,000 | -527,000 | -677,000 | 20,000 | -1,750,000 | -114,000 | -854,000 | -14,000 | -350,000 | -718,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issuance of common stock | 81,159,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
dividends paid | -28,614,000 | -26,563,000 | -26,564,000 | -26,511,000 | -26,024,000 | -25,510,000 | -25,501,000 | -25,904,000 | -25,455,000 | -45,309,000 | -45,306,000 | -45,246,000 | -44,228,000 | -44,230,000 | -44,228,000 | -44,229,000 | -43,212,000 | -42,791,000 | -42,740,000 | -42,611,000 | -41,609,000 | -41,608,000 | -35,687,000 | -35,607,000 | -34,388,000 | -33,980,000 | -33,737,000 | -32,745,000 | -32,744,000 | -171,000 | -31,800,000 | -31,800,000 | -31,794,000 | -30,850,000 | -30,850,000 | -30,773,000 | -29,810,000 | -29,802,000 | -29,796,000 | -29,749,000 | -29,012,000 | -28,686,000 | -28,685,000 | -28,640,000 | -28,572,000 | -26,723,000 | -26,677,000 | -26,619,000 | -26,616,000 | -24,725,000 | -24,693,000 | -24,607,000 | -22,967,000 | -22,964,000 | -22,950,000 | -22,935,000 | ||||||||||||||||||||||||
tax withholding on stock-based compensation | -4,459,000 | 0 | 0 | -4,476,000 | 0 | 0 | 0 | -2,623,000 | 0 | 0 | 0 | -3,040,000 | 0 | 0 | 0 | -4,904,000 | 0 | 0 | 0 | -4,127,000 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net cash from financing activities | -32,927,000 | 144,471,000 | -38,474,000 | -130,096,000 | 62,631,000 | 25,807,000 | -12,630,000 | -35,512,000 | 11,863,000 | 8,917,000 | -23,502,000 | 207,344,000 | -45,701,000 | 16,066,000 | 135,807,000 | 49,001,000 | 320,173,000 | -17,546,000 | 75,834,000 | 6,254,000 | -124,721,000 | -53,357,000 | -140,212,000 | 173,247,000 | -184,482,000 | -87,397,000 | 191,673,000 | 154,298,000 | 153,948,000 | 23,698,000 | 34,112,000 | 18,618,000 | 35,449,000 | 40,655,000 | -122,496,000 | 185,258,000 | 106,027,000 | -103,494,000 | 8,500,000 | 138,480,000 | 281,708,000 | -156,812,000 | -48,995,000 | 183,652,000 | 59,021,000 | -44,976,000 | 56,744,000 | 217,837,000 | -39,977,000 | -39,153,000 | -25,422,000 | -124,411,000 | -15,530,000 | -99,557,000 | 49,482,000 | -31,162,000 | -4,750,000 | -142,551,000 | -32,806,000 | -111,815,000 | 52,596,000 | -72,586,000 | 138,809,000 | 148,844,000 | 5,859,000 | -266,883,000 | 95,565,000 | -23,035,000 | -63,718,000 | 195,293,000 | 3,164,000 | 37,033,000 | ||||||||
increase in cash, cash equivalents and restricted cash | 25,083,000 | 17,052,000 | -740,000 | -7,363,000 | -37,112,000 | 9,578,000 | 5,142,000 | 12,321,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash, cash equivalents and restricted cash - beginning of year | 28,212,000 | 0 | 0 | 66,904,000 | 0 | 0 | 0 | 76,975,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash, cash equivalents and restricted cash - end of period | 53,295,000 | 9,578,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
supplemental cash flow information: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash expenditures during the year for: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
interest, net* | 23,508,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income taxes (refunded) paid | -1,676,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
noncash investing and financing transactions: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
property, plant and equipment additions in accounts payable | 35,496,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
right-of-use assets obtained in exchange for new operating lease liabilities | 68,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
*afudc - borrowed was 2.0 million and 1.8 million for the three months ended march 31, 2026 and 2025, respectively. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income from discontinued operations, net of tax | -39,000 | -397,000 | -502,000 | 30,000 | 52,000 | 314,000 | 19,000 | 15,000 | 162,000 | 261,000 | 2,847,000 | -118,000 | -274,000 | 477,000 | 1,687,000 | 2,671,000 | 4,000 | -118,000 | 8,700,000 | -139,000 | 5,106,000 | -100,000 | -126,000 | -168,000 | 448,000 | -125,000 | 96,765,000 | 7,439,000 | 5,255,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||
pension and postretirement benefit plan net periodic benefit credit | -268,000 | -267,000 | -267,000 | -955,000 | -987,000 | -931,000 | -964,000 | -1,294,000 | -1,311,000 | -1,685,000 | -1,090,000 | -1,503,000 | -1,511,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized gains on investments | -2,215,000 | -2,578,000 | -362,000 | -2,873,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cost of removal, net of salvage value | -5,076,000 | 594,000 | -2,509,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
investments | -430,000 | -284,000 | -2,574,000 | -1,277,000 | -573,000 | -399,000 | -2,906,000 | 19,641,000 | -365,000 | 1,283,000 | -4,257,000 | -2,066,000 | 269,000 | -238,000 | -4,442,000 | -196,000 | -533,000 | 4,000 | -3,248,000 | -1,838,000 | 1,000 | -45,000 | 68,000 | 206,000 | 101,000 | -1,241,000 | 2,449,000 | -83,000 | 2,000,000 | -1,666,000 | 458,000 | 84,000 | 202,000 | 530,000 | -514,000 | -1,463,000 | 16,000 | 11,199,000 | -27,000 | 187,000 | -99,000 | -9,856,000 | -402,000 | -122,000 | -176,000 | 1,404,000 | -3,180,000 | 1,808,000 | -3,597,000 | 1,229,000 | 3,266,000 | 2,118,000 | -162,000 | 80,551,000 | -70,415,000 | -14,034,000 | 196,000 | 17,113,000 | -50,748,000 | -800,000 | -4,408,000 | 3,696,000 | ||||||||||||||||||
proceeds from investment excess cash and cost basis withdrawal | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
repayment of short-term borrowings | 0 | 0 | 0 | -95,000,000 | -267,401,000 | 0 | -173,500,000 | -20,000,000 | -50,000,000 | 0 | 0 | -50,000,000 | 0 | 0 | -11,500,000 | 0 | 0 | -20,000,000 | 0 | -3,700,000 | -4,000,000 | -2,600,000 | 0 | 0 | -25,500,000 | -79,600,000 | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
costs of issuance of common stock | 0 | 0 | -15,000 | -35,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash, cash equivalents and restricted cash - end of period * | 17,052,000 | -740,000 | 59,541,000 | 89,296,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
*includes cash of discontinued operations of 15.7 million at september 30, 2024. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net proceeds from sale or disposition of property | -8,899,000 | 4,169,000 | 2,601,000 | 2,820,000 | 18,256,000 | 7,439,000 | 5,621,000 | 10,524,000 | 4,524,000 | 10,036,000 | 1,936,000 | 7,858,000 | 11,327,000 | 3,281,000 | 4,213,000 | 47,396,000 | 13,152,000 | 18,666,000 | 7,713,000 | 8,719,000 | 5,416,000 | 7,646,000 | 3,202,000 | 4,457,000 | 6,065,000 | 8,820,000 | 8,911,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
*includes cash of discontinued operations of 15.7 million at june 30, 2024. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized losses on investments | 470,000 | -3,992,000 | 1,384,000 | -928,000 | -3,957,000 | -2,797,000 | 2,319,000 | 8,063,000 | 5,147,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
losses on sales of assets | 71,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
salvage value, net of cost of removal | 869,000 | 31,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
proceeds from investment cost basis withdrawal | 0 | 0 | 0 | 9,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
*includes cash of discontinued operations of 16.6 million at march 31, 2024. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
gain on tax-free exchange of the retained shares in knife river | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
issuance of short-term borrowings | 348,600,000 | -38,600,000 | 225,000,000 | 275,000,000 | 146,500,000 | 0 | 0 | 100,000,000 | 0 | 0 | 0 | 50,000,000 | 0 | 0 | 0 | 50,000,000 | 49,977,000 | 70,000,000 | 16,025,000 | 16,000,000 | 3,500,000 | 9,900,000 | 16,100,000 | 4,500,000 | -24,600,000 | 20,300,000 | 9,300,000 | 17,200,000 | 15,300,000 | 129,070,000 | 7,370,000 | 1,700,000 | ||||||||||||||||||||||||||||||||||||||||||||||||
repurchase of common stock | 0 | 0 | 0 | -4,811,000 | 0 | 0 | 0 | -7,399,000 | 0 | 0 | 0 | -6,701,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash, cash equivalents and restricted cash - end of year * | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
*includes cash of discontinued operations of 16.5 million and 9.7 million for the years ended december 31, 2023 and 2022, respectively. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
less: income from discontinued operations, net of tax | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized gain on retained shares in knife river | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
gains on sales of assets | -3,207,000 | -1,271,000 | -1,276,000 | -1,760,000 | -1,874,000 | -526,000 | -4,361,000 | -12,223,000 | -3,066,000 | -2,298,000 | -3,136,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
less: loss from discontinued operations, net of tax | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
acquisitions, net of cash acquired | 1,295,000 | 974,000 | 0 | -524,000 | -223,997,000 | 0 | -12,698,000 | -1,023,000 | -34,500,000 | -750,000 | -2,641,000 | 0 | -206,304,000 | -1,486,000 | -65,525,000 | -242,000 | 0 | 0 | -157,000 | 1,736,000 | 0 | -104,823,000 | -1,725,000 | 42,000 | -2,688,000 | -707,000 | -3,057,000 | -257,208,000 | -5,144,000 | -22,514,000 | -248,677,000 | -6,700,000 | -341,461,000 | -9,000 | -320,000 | -2,505,000 | -50,783,000 | |||||||||||||||||||||||||||||||||||||||||||
proceeds from issuance of common stock | -63,000 | 34,181,000 | 34,950,000 | 19,699,000 | -25,000 | 0 | 0 | 3,410,000 | 1,209,000 | 36,074,000 | 30,931,000 | 38,634,000 | 4,000 | 7,395,000 | 4,635,000 | 9,864,000 | 5,192,000 | 12,600,000 | 77,425,000 | 54,843,000 | 0 | 0 | 0 | 88,000 | 0 | 0 | 0 | 5,744,000 | 2,237,000 | 996,000 | 525,000 | 1,214,000 | 13,767,000 | 51,156,000 | 177,000 | 107,000 | 9,160,000 | 906,000 | 3,239,000 | 1,706,000 | 683,000 | 805,000 | 1,842,000 | 13,933,000 | 10,546,000 | 1,011,000 | 1,698,000 | 1,307,000 | ||||||||||||||||||||||||||||||||
*includes cash of discontinued operations of 10.1 million and 10.4 million for the years ended december 31, 2022 and 2021, respectively. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
discontinued operations, net of tax | -3,288,000 | -62,474,000 | 10,000 | 38,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
depreciation, depletion and amortization | 53,147,000 | 23,868,000 | 81,862,000 | 80,653,000 | 82,293,000 | 84,759,000 | 80,121,000 | 76,601,000 | 75,229,000 | 73,661,000 | 73,723,000 | 72,268,000 | 72,085,000 | 71,508,000 | 69,239,000 | 68,080,000 | 65,021,000 | 63,019,000 | 59,897,000 | 58,907,000 | 55,016,000 | 53,553,000 | 52,729,000 | 52,348,000 | 52,155,000 | 51,658,000 | 51,325,000 | 53,092,000 | 54,094,000 | 48,873,000 | 60,259,000 | 62,761,000 | 57,818,000 | 11,644,000 | 95,507,000 | 95,188,000 | 103,497,000 | 103,126,000 | 99,557,000 | 98,040,000 | 99,966,000 | 95,289,000 | 93,561,000 | 98,347,000 | 91,851,000 | 83,627,000 | 85,380,000 | 86,534,000 | 88,897,000 | 83,290,000 | 84,674,000 | 83,777,000 | 84,841,000 | 81,547,000 | 78,678,000 | 77,301,000 | 79,547,000 | 80,449,000 | 93,245,000 | 95,885,000 | 93,226,000 | 89,678,000 | 87,231,000 | 83,686,000 | 78,400,000 | 70,044,000 | 69,802,000 | 71,193,000 | 69,105,000 | 63,377,000 | 63,650,000 | |||||||||
unrealized gain on investment in knife river | -30,150,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net proceeds from sale or disposition of property and other | -294,000 | 6,250,000 | 7,282,000 | 20,824,000 | -2,709,000 | -262,000 | 4,586,000 | 2,284,000 | 552,000 | 3,367,000 | 9,035,000 | 12,094,000 | 495,000 | 18,428,000 | 4,540,000 | 1,421,000 | 20,194,000 | 3,259,000 | 4,938,000 | 13,649,000 | 3,165,000 | 3,320,000 | 5,966,000 | 5,426,000 | 1,801,000 | 1,394,000 | 117,967,000 | 27,243,000 | 2,805,000 | 4,322,000 | 10,456,000 | 16,890,000 | 8,129,000 | 2,749,000 | 26,801,000 | 73,029,000 | 191,469,000 | 6,738,000 | 5,179,000 | 83,556,000 | 20,101,000 | 2,708,000 | 18,176,000 | 9,020,000 | 1,636,000 | |||||||||||||||||||||||||||||||||||
net proceeds from issuance of common stock | 0 | -22,000 | -127,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
increase in cash and cash equivalents | -28,377,000 | -32,320,000 | 12,672,000 | 5,897,000 | 9,226,000 | 490,000 | 10,743,000 | -4,453,000 | -6,523,000 | 1,712,000 | -52,168,000 | 50,067,000 | -541,000 | -4,966,000 | -13,129,000 | 25,418,000 | -17,105,000 | 24,165,000 | 4,628,000 | -5,133,000 | 6,347,000 | -4,039,000 | -55,742,000 | 22,131,000 | 40,386,000 | -151,821,000 | 143,358,000 | 6,618,000 | 38,475,000 | -48,797,000 | 40,822,000 | 25,107,000 | 185,789,000 | 6,949,000 | 2,314,000 | 9,043,000 | ||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents -- beginning of year | 10,090,000 | -10,089,000 | 80,517,000 | 0 | 0 | 54,161,000 | 0 | 0 | 59,547,000 | 0 | 0 | 66,459,000 | 0 | 0 | 53,948,000 | 0 | 0 | 34,599,000 | 0 | 0 | 46,107,000 | 0 | -688,000 | 84,591,000 | 0 | 0 | 81,855,000 | 0 | 0 | 45,225,000 | 0 | 0 | 49,042,000 | 0 | 0 | 162,772,000 | 0 | 0 | 222,074,000 | 0 | 0 | 175,114,000 | 0 | 0 | 51,714,000 | 0 | 0 | 105,820,000 | 0 | 73,078,000 | 0 | 0 | 107,435,000 | |||||||||||||||||||||||||||
cash and cash equivalents -- end of period | -18,287,000 | -42,409,000 | 93,189,000 | 9,226,000 | 490,000 | 64,904,000 | -705,000 | 2,852,000 | 55,094,000 | 1,712,000 | -52,168,000 | 116,526,000 | -4,966,000 | 22,245,000 | 49,721,000 | 25,418,000 | -17,105,000 | 58,764,000 | -2,692,000 | -10,687,000 | 50,735,000 | -25,249,000 | -5,821,000 | 90,938,000 | -55,742,000 | 22,131,000 | 122,241,000 | 143,358,000 | 6,618,000 | 83,700,000 | -48,797,000 | 40,822,000 | 74,149,000 | -27,401,000 | 10,254,000 | 91,389,000 | 10,934,000 | -28,248,000 | 136,016,000 | -29,507,000 | -40,872,000 | 106,664,000 | 27,139,000 | -10,379,000 | 44,689,000 | -24,913,000 | 10,535,000 | 71,504,000 | 16,560,000 | 51,574,000 | -46,493,000 | 6,949,000 | 109,749,000 | |||||||||||||||||||||||||||
cash and cash equivalents - beginning of year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents - end of year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
pension & postretirement benefit plan net periodic benefit credit | -1,491,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
pension & postretirement benefit plan contributions | -149,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
benefit from credit losses | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
pension & postretirement benefit plan net periodic benefit cost | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
decrease in cash and cash equivalents | -705,000 | -27,401,000 | 10,254,000 | -71,383,000 | 10,934,000 | -28,248,000 | -86,058,000 | -40,872,000 | -68,450,000 | -10,379,000 | -7,025,000 | 10,535,000 | -34,316,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
payments of stock issuance costs | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
effect of exchange rate changes on cash and cash equivalents | 1,000 | 0 | 2,000 | 1,000 | -34,000 | -89,000 | -138,000 | 42,000 | 43,000 | -11,000 | -156,000 | 25,000 | 1,000 | -183,000 | 43,000 | -332,000 | 88,000 | 45,000 | -17,000 | 185,000 | -13,000 | -117,000 | 127,000 | 358,000 | 361,000 | -64,000 | -559,000 | -274,000 | 188,000 | 10,000 | 11,000 | 107,000 | 186,000 | 4,000 | 700,000 | |||||||||||||||||||||||||||||||||||||||||||||
redemption of preferred stock | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
adjustments to reconcile net income to net cashprovided by operating activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
excess tax benefit on stock-based compensation | 9,458,000 | 0 | -9,562,000 | 4,833,000 | 0 | 0 | 0 | 26,000 | 0 | 0 | 1,248,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net loss | 82,986,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
adjustments to reconcile net loss to net cash from operating activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
contribution from noncontrolling interest | 0 | 12,500,000 | 19,000,000 | 20,500,000 | 42,000,000 | 12,400,000 | 16,500,000 | 16,000,000 | 14,000,000 | 3,000,000 | 5,000,000 | 5,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
proceeds from sale of equity method investments | 2,300,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
distribution to noncontrolling interest | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
changes in current assets and liabilities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized loss on commodity derivatives | 11,208,000 | -28,755,000 | 5,196,000 | 6,712,000 | 888,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
write-down of oil and natural gas properties | 500,400,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings, net of distributions, from equity method investments | -51,000 | 545,000 | 245,000 | 214,000 | 1,277,000 | -2,337,000 | 70,000 | 1,181,000 | -826,000 | 996,000 | -484,000 | -23,656,000 | -603,000 | -456,000 | -1,443,000 | -425,000 | -154,000 | -1,531,000 | 127,000 | -703,000 | -1,141,000 | -11,726,000 | -1,778,000 | 1,056,000 | -57,000 | -2,090,000 | -1,017,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
write-downs of oil and natural gas properties | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
loss, net of distributions, from equity method investments | 156,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
proceeds from sale of equity method investment | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
unrealized gain on commodity derivatives | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
write-down of natural gas and oil properties | 0 | 0 | 0 | 620,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
tax benefit on stock-based compensation | 465,000 | 173,000 | 96,000 | 452,000 | 406,000 | 51,000 | 33,000 | 111,000 | 92,000 | 612,000 | 1,546,000 | 2,191,000 | 515,000 | 378,000 | 939,000 | 3,566,000 | -1,117,000 | 316,000 | 2,851,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents – beginning of year | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents – end of year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
income (loss) from continuing operations | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
adjustments to reconcile net income | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
to net cash from operating activities: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
earnings, net of distributions, from equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
method investments | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
changes in current assets and liabilities, net of | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
acquisitions: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
increase (decrease) in cash and cash equivalents | 113,665,000 | -5,412,000 | 26,394,000 | 16,560,000 | -21,504,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
repayment of short-term debt | -1,700,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cash and cash equivalents – end of period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
cumulative effect of accounting change | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
asset impairments | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
proceeds from notes receivable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
net change in short-term borrowings |