7Baggers

Helix Energy Solutions Group, Inc
(NYSE:HLX) 

HLX stock logo

Helix Energy Solutions Group, Inc., an offshore energy services company, provides specialty services to the offshore energy industry primarily in Brazil, the Gulf of Mexico, North Sea, the Asia Pacific, and West Africa regions. The company operates through three segments: Well Intervention, Robotics...

Full Time Employees: 1,650
Sector: Energy
Industry: Oil & Gas Equipment & Services

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-04-25 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 2015-02-18 2014-12-31 2014-10-22 2014-09-30 2014-07-23 2014-06-30 2014-04-23 2014-03-31 2014-02-21 2013-10-23 2013-09-30 2013-07-24 2013-06-30 2013-03-31 2012-12-31 2012-10-24 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 
                                                                                                 
      net revenues
    287,946,000 334,162,000 376,960,000 302,288,000 278,064,000 355,133,000 342,419,000 364,797,000 296,211,000 335,157,000 395,670,000 308,817,000 250,084,000 287,816,000 272,547,000 162,612,000 150,125,000 168,656,000 180,716,000 161,941,000 163,415,000 159,897,000 193,490,000 199,147,000 181,021,000 170,749,000 212,609,000 201,728,000 166,823,000 527,243,000 212,575,000 204,625,000 164,262,000 418,123,000 163,260,000 150,329,000 104,528,000 104,528,000 326,337,000 161,245,000 107,267,000 91,039,000 513,340,000 182,462,000 166,016,000 189,641,000  -23,435,000 340,837,000 340,837,000 305,587,000 305,587,000 253,572,000 253,572,000 226,837,000 220,117,000 220,117,000 232,178,000 232,178,000 197,429,000                            305,013,000 291,648,000     
      cost of sales
    279,118,000 283,529,000 310,941,000 287,340,000 250,526,000 296,274,000 276,754,000 289,311,000 276,657,000 285,879,000 315,125,000 253,468,000 234,900,000 256,452,000 233,332,000 163,966,000 168,734,000 174,017,000 177,716,000 158,811,000 148,791,000 146,202,000 158,862,000 169,571,000 179,011,000 144,173,000 157,535,000 161,794,000 150,569,000 457,552,000 160,582,000 161,728,000 151,279,000 377,098,000 142,119,000 131,962,000 105,353,000 105,353,000 320,005,000 121,061,000 101,609,000 107,969,000 434,073,000 150,493,000 141,808,000 154,694,000  27,111,000 214,590,000 214,590,000 196,449,000 196,449,000 177,726,000 177,726,000 157,273,000 150,660,000 150,660,000 164,681,000 164,681,000 144,862,000                            173,321,000 189,382,000     
      gross profit
    8,828,000 50,633,000 66,019,000 14,948,000 27,538,000 58,859,000 65,665,000 75,486,000 19,554,000 49,278,000 80,545,000 55,349,000 15,184,000 31,364,000 39,215,000 -1,354,000 -18,609,000 -5,361,000 3,000,000 3,130,000 14,624,000 13,695,000 34,628,000 29,576,000 2,010,000 26,576,000 55,074,000 39,934,000 16,254,000 69,691,000 51,993,000 42,897,000 12,983,000 41,025,000 21,141,000 18,367,000   6,332,000 40,184,000 5,658,000 -16,930,000 -265,743,000 31,969,000 24,208,000 34,947,000  -50,546,000 126,247,000 126,247,000 109,138,000 109,138,000 75,846,000 75,846,000 71,164,000 69,457,000 69,457,000 67,497,000 67,497,000 52,567,000 -290,777,000 85,757,000 85,757,000 93,225,000 161,710,000 31,023,000 122,295,000 100,198,000 77,076,000 16,082,000 86,552,000  25,856,000 -56,421,000 2,617,000 135,756,000 161,210,000 -133,450,000 200,825,000 192,414,000 120,879,000 70,058,000 166,318,000 141,765,000 135,615,000 150,980,000 130,470,000 131,692,000 102,266,000 95,852,000 82,928,000 52,419,000 51,873,000 
      yoy
    -67.94% -13.98% 0.54% -80.20% 40.83% 19.44% -18.47% 36.38% 28.78% 57.12% 105.39% -4187.81% -181.59% -685.04% 1207.17% -143.26% -227.25% -139.15% -91.34% -89.42% 627.56% -48.47% -37.12% -25.94% -87.63% -61.87% 5.93% -6.91% 25.19% 69.87% 145.93% 133.55%   233.88% -54.29%   -102.38% 25.70% -76.63% -148.44%  -163.25% -80.82% -72.32%  -146.31% 66.45% 66.45% 53.36% 57.13% 9.20% 12.37% 5.43% 32.13% -123.89% -21.29% -21.29% -43.61% -279.81% 176.43% -29.88% -6.96% 109.81% 92.91% 41.30%  198.10% -128.50% 3207.30%  -83.96% -57.72% -98.70% -29.45% 33.36% -290.49% 20.75% 35.73% -10.87% -53.60% 27.48% 7.65% 32.61% 57.51% 57.33% 151.23% 97.15%     
      qoq
    -82.56% -23.31% 341.66% -45.72% -53.21% -10.36% -13.01% 286.04% -60.32% -38.82% 45.52% 264.52% -51.59% -20.02% -2996.23% -92.72% 247.12% -278.70% -4.15% -78.60% 6.78% -60.45% 17.08% 1371.44% -92.44% -51.74% 37.91% 145.69% -76.68% 34.04% 21.20% 230.41% -68.35% 94.05% 15.10%    -84.24% 610.22% -133.42% -93.63% -931.25% 32.06% -30.73%   -140.04% 0.00% 15.68% 0.00% 43.89% 0.00% 6.58% 2.46% 0.00% 2.90% 0.00% 28.40% -118.08% -439.07% 0.00% -8.01% -42.35% 421.26% -74.63% 22.05% 30.00% 379.27% -81.42%   -145.83% -2255.94% -98.07% -15.79% -220.80% -166.45% 4.37% 59.18% 72.54% -57.88% 17.32% 4.53% -10.18% 15.72% -0.93% 28.77% 6.69% 15.58% 58.20% 1.05%  
      selling, general and administrative expenses
    -22,143,000 -20,305,000 -18,168,000 -18,100,000 -19,366,000 -27,552,000 -21,125,000 -22,293,000 -20,680,000 -22,971,000 -27,818,000 -24,007,000 -19,631,000 -22,787,000 -23,563,000 -17,622,000 -14,368,000 -21,499,000 -13,346,000 -13,425,000 -15,179,000 -12,828,000 -16,053,000 -15,855,000 -16,348,000 -20,918,000 -16,076,000 -16,862,000 -15,985,000 -49,525,000 -20,762,000 -18,125,000 -14,099,000 -46,883,000 -16,374,000 -13,317,000 -16,841,000 -16,841,000 -47,220,000 -18,714,000 -14,953,000 -13,826,000 -43,682,000 -13,597,000 -16,534,000 -12,619,000  -12,651,000 -19,916,000 -19,916,000 -29,304,000 -29,304,000 -20,394,000 -20,394,000 -17,224,000 -22,610,000 -22,610,000 -19,215,000 -19,215,000 -23,216,000 -16,126,000 -28,022,000 -28,022,000  -25,696,000                             
      income from operations
    -13,315,000 12,264,000 47,851,000 -3,152,000 8,172,000 30,878,000 44,640,000 53,193,000 -1,276,000 15,380,000 36,228,000 20,205,000 -8,303,000 -5,128,000 12,226,000 -18,976,000 -32,977,000 -26,860,000 -10,331,000 -10,941,000 -555,000 843,000 19,015,000 14,194,000 -21,027,000 5,658,000 38,998,000 23,072,000 269,000 20,166,000 31,377,000 24,772,000 -1,116,000 -5,897,000 4,767,000 5,050,000 -17,705,000 -17,705,000 -84,705,000 21,470,000 -9,295,000 -30,756,000 -325,732,000 18,372,000 7,674,000 22,328,000  -73,001,000 106,331,000 106,331,000 78,756,000 78,756,000 66,948,000 66,948,000 53,940,000 62,659,000 62,659,000 47,197,000 47,197,000 15,238,000 -314,542,000 35,375,000 35,375,000 78,487,000 132,197,000 6,786,000 100,213,000 76,418,000 52,111,000  60,098,000   -78,260,000  101,824,000 194,920,000 -897,163,000 150,102,000 167,296,000 134,208,000 48,795,000 144,873,000 114,061,000 105,015,000 110,398,000 102,448,000 104,294,000 81,505,000 74,801,000 67,365,000 39,561,000 39,036,000 
      yoy
    -262.93% -60.28% 7.19% -105.93% -740.44% 100.77% 23.22% 163.27% -84.63% -399.92% 196.32% -206.48% -74.82% -80.91% -218.34% 73.44% 5841.80% -3286.24% -154.33% -177.08% -97.36% -85.10% -51.24% -38.48% -7916.73% -71.94% 24.29% -6.86% -124.10% -441.97% 558.21% 390.53% -93.70% -66.69% -105.63% -76.48% 90.48% -42.43% -74.00% 16.86% -221.12% -237.75%  -125.17% -92.78% -79.00%  -192.69% 58.83% 58.83% 46.01% 25.69% 6.84% 41.85% 14.29% 311.20% -119.92% 33.42% 33.42% -80.59% -337.93% 421.29% -64.70% 2.71% 153.68%  66.75%       -91.28%  -39.14% 45.24% -1938.64% 3.61% 46.67% 27.80% -55.80% 41.41% 9.36% 28.84% 47.59% 52.08% 163.63% 108.79%     
      qoq
    -208.57% -74.37% -1618.12% -138.57% -73.53% -30.83% -16.08% -4268.73% -108.30% -57.55% 79.30% -343.35% 61.91% -141.94% -164.43% -42.46% 22.77% 159.99% -5.58% 1871.35% -165.84% -95.57% 33.97% -167.50% -471.63% -85.49% 69.03% 8476.95% -98.67% -35.73% 26.66% -2319.71% -81.08% -223.70% -5.60% -128.52% 0.00% -79.10% -494.53% -330.98% -69.78% -90.56% -1872.98% 139.41% -65.63%   -168.65% 0.00% 35.01% 0.00% 17.64% 0.00% 24.12% -13.92% 0.00% 32.76% 0.00% 209.73% -104.84% -989.16% 0.00% -54.93% -40.63% 1848.08% -93.23% 31.14% 46.64%        -47.76% -121.73% -697.70% -10.28% 24.65% 175.04% -66.32% 27.01% 8.61% -4.88% 7.76% -1.77% 27.96% 8.96% 11.04% 70.28% 1.34%  
      net interest expense
    -5,229,000 -5,580,000 -5,616,000 -5,875,000 -5,706,000 -5,572,000 -5,689,000 -5,891,000 -5,477,000 -4,771,000 -4,152,000 -4,228,000 -4,187,000 -4,333,000 -4,644,000 -4,799,000 -5,174,000 -5,301,000 -5,928,000 -5,919,000 -6,053,000 -8,124,000 -7,598,000 -7,063,000 -5,746,000 -2,129,000 -1,901,000 -2,205,000 -2,098,000 -10,502,000 -3,249,000 -3,599,000 -3,896,000 -15,163,000 -3,615,000 -6,639,000 -5,226,000 -5,226,000 -24,396,000 -6,843,000 -7,480,000 -10,684,000 -18,201,000 -8,713,000 -5,235,000 -4,070,000  -20,042,000 -3,856,000 -3,856,000 -4,517,000 -4,517,000 -4,483,000 -4,483,000 -4,646,000 -6,585,000 -6,585,000 -11,344,000 -11,344,000 -10,323,000 10,438,000 -18,211,000 -18,211,000 -18,627,000 -21,760,000                             
      other income
    298,000   437,000     -2,216,000    3,444,000   -13,471,000 -3,881,000 -52,000 -4,015,000 960,000 1,617,000 8,396,000 8,824,000  -10,427,000    1,166,000   -3,441,000 925,000 -883,000 -551,000 467,000 -535,000 -535,000 2,680,000 830,000 1,308,000 1,880,000 -24,305,000 -5,000     598,000 598,000  -17,000  -810,000 1,890,000 2,366,000 2,366,000 -566,000 -566,000 -3,684,000 -1,105,000 2,086,000 2,086,000 -1,692,000 86,000   1,253,000 2,660,000  4,072,000                       
      royalty income and other
    1,688,000 101,000  -5,000 1,416,000 -30,000 132,000 94,000 1,906,000 93,000 78,000 175,000 1,863,000 406,000 348,000 797,000 2,141,000 270,000 297,000 249,000 2,057,000 184,000 208,000 119,000 2,199,000 409,000 362,000 190,000 2,345,000                                                                 
      income before income taxes
    -16,558,000 6,298,000 41,252,000 -8,595,000 3,525,000 24,001,000 39,034,000 47,014,000 -27,985,000 -19,612,000 23,897,000 10,412,000 -7,183,000 5,238,000 -12,263,000 -28,265,000 -39,891,000 -31,956,000 -20,101,000 -15,651,000 -2,934,000 1,548,000 29,677,000 5,179,000 -35,021,000 9,054,000 35,161,000 19,699,000 1,642,000 3,036,000 27,962,000 18,082,000 -2,473,000 -21,123,000 751,000 -1,380,000 -21,016,000 -21,016,000 -109,026,000 15,111,000 -14,890,000 -37,111,000 -488,144,000 9,974,000 -2,021,000 20,049,000  -111,780,000 105,418,000 105,418,000 75,311,000 75,311,000 74,639,000 74,639,000 52,799,000 52,406,000 52,406,000 36,606,000 36,606,000 1,777,000 -304,322,000 20,642,000 20,642,000 63,916,000 93,803,000 -16,776,000 70,291,000 58,280,000 36,185,000  44,912,000   -84,609,000 6,311,000 160,062,000 180,228,000 -904,390,000 135,524,000 154,783,000 119,085,000 192,265,000 139,295,000 95,027,000 98,107,000 324,918,000 89,242,000 105,831,000 85,284,000 37,544,000 68,320,000 41,356,000 40,501,000 
      income tax provision
    -3,152,000 -1,972,000 19,169,000 -5,997,000 453,000 3,880,000 9,520,000 14,725,000  8,721,000 8,337,000 3,312,000 -2,018,000 2,529,000 6,500,000 1,434,000 2,140,000 -6,048,000 -1,058,000  116,000 -2,569,000 5,232,000 -271,000 -21,093,000 1,120,000 3,539,000 2,876,000 324,000 1,559,000 841,000 298,000 87,000 -384,750 -1,539,000 5,023,000   -16,119,000 3,649,000 -4,219,000 -9,288,000 -101,284,000 94,000 614,000 407,000  16,944,500 29,832,000 29,832,000 17,529,000 17,529,000 20,417,000 20,417,000  7,058,000 7,058,000   443,000                                  
      net income
    -13,406,000 8,270,000 22,083,000 -2,598,000 3,072,000 20,121,000 29,514,000 32,289,000 -26,287,000 -28,333,000 15,560,000 7,100,000 -5,165,000 2,709,000 -18,763,000 -29,699,000 -42,031,000 -25,908,000 -19,043,000 -13,683,000 -3,050,000 4,117,000 24,445,000 5,450,000 -13,928,000 7,934,000 31,622,000 16,823,000 1,318,000 1,477,000 27,121,000 17,784,000 -2,560,000 27,762,000 2,290,000 -6,403,000 -16,415,000 -16,415,000 2,865,500 11,462,000 -10,671,000 -27,823,000                                    -859,314,000 61,468,000 91,782,000 75,216,000 121,293,000 83,773,000 58,647,000 56,765,000 163,424,000 57,833,000 69,944,000 56,193,000 56,810,000 43,221,000 26,577,000 25,961,000 
      yoy
    -536.39% -58.90% -25.18% -108.05% -111.69% -171.02% 89.68% 354.77% 408.94% -1145.88% -182.93% -123.91% -87.71% -110.46% -1.47% 117.05% 1278.07% -729.29% -177.90% -351.06% -78.10% -48.11% -22.70% -67.60% -1156.75% 437.17% 16.60% -5.40% -151.48% -94.68% 1084.32% -377.74% -84.40% -269.13% -20.08% -155.86% 53.83% -41.00%                                        -808.46% -26.63% 56.50% 32.50% -25.78% 44.85% -16.15% 1.02% 187.67% 33.81% 163.17% 116.45%     
      qoq
    -262.10% -62.55% -950.00% -184.57% -84.73% -31.83% -8.59% -222.83% -7.22% -282.09% 119.15% -237.46% -290.66% -114.44% -36.82% -29.34% 62.23% 36.05% 39.17% 348.62% -174.08% -83.16% 348.53% -139.13% -275.55% -74.91% 87.97% 1176.40% -10.77% -94.55% 52.50% -794.69% -109.22% 1112.31% -135.76% -60.99% 0.00% -672.85% -75.00% -207.41% -61.65%                                     -1497.99% -33.03% 22.02% -37.99% 44.79% 42.84% 3.32% -65.27% 182.58% -17.32% 24.47% -1.09% 31.44% 62.63% 2.37%  
      earnings per share of common stock:
                                                                                                 
      basic
    -0.09 0.06 0.15 -0.02 0.02 0.14 0.19 0.21  0.03 0.1 0.05      -0.17 -0.13 -0.09  0.03 0.16 0.04 -0.09 0.06 0.21 0.11 0.01 0.01 0.18 0.12  0.18 0.02    -0.83 0.1  -0.26 0.023 0.09 -0.03 0.19               0.298 0.14 0.14 0.42 0.62 0.268 0.43 0.39 0.24                         
      diluted
    -0.09 0.06 0.15 -0.02 0.02 0.13 0.19 0.21  0.028 0.1 0.05      -0.17 -0.13 -0.09  0.03 0.16 0.04 -0.09 0.05 0.21 0.11 0.01 0.01 0.18 0.12  0.18 0.02    -0.83 0.1  -0.26 0.023 0.09 -0.03 0.19               0.295 0.14 0.14 0.42 0.62 0.265 0.43 0.39 0.24                         
      weighted-average common shares outstanding:
                                                                                                 
      basic
    147,163 148,349 146,907 148,515 151,039 151,989 151,914 152,234 152,369 150,917 150,550 150,791 151,764 151,276 151,331 151,205 151,142 150,056 150,088 150,028 149,935 148,993 149,032 148,971 148,863 147,536 147,575 147,521 147,421 146,702 146,700 146,683 146,653 145,295 145,958 145,940 143,244 143,244 111,612 113,680 107,767 105,908 105,416 105,438 105,357 105,290  105,032 104,997 104,997 104,992 104,992 105,126 105,126 105,032 105,029 105,029 105,046 105,046 105,032 104,449 104,256 104,256 104,563 104,530 104,528 104,700 104,673 104,471 103,857 104,090 104,125 103,090 99,136 101,282 96,936 95,052 90,650,000 90,725,000 90,519,000 90,413,000 90,086,000 90,111,000 90,047,000 89,994,000 84,613,000 91,531,000 78,462,000 77,969,000 77,444 38,763,000 38,722,000 38,571,000 
      diluted
    147,163 148,454 147,698 148,515 152,174 154,699 154,851 155,024 152,369 150,917 153,622 153,404 151,764 151,276 151,331 151,205 151,142 150,056 150,088 150,028 149,935 149,897 149,951 149,691 148,863 149,577 148,354 148,101 147,751 146,830 146,964 146,724 146,653 145,300 145,958 145,940 143,244 143,244 111,612 113,680 107,767 105,908 105,416 105,438 105,357 105,290  105,184 105,338 105,338 105,295 105,295 105,375 105,375 105,184 105,136 105,136 105,133 105,133 105,165 104,449 104,729 104,729 105,042 104,989 104,953 105,154 105,140 104,903 103,857 105,307 104,125 103,090 105,720 101,334 105,995 105,863 90,650,000 94,779,000 95,928,000 95,186,000 95,938,000 95,649,000 95,991,000 94,312,000 89,874,000 96,918,000 83,965,000 83,803,000 82,205 41,080,000 40,981,000 40,869,000 
      gain on disposition of assets
         -429,000 100,000  -150,000    367,000      15,000 -646,000  -24,000 440,000 473,000       146,000                 2,604,500                                              
      losses related to convertible senior notes
            -20,922,000                                                                                     
      other expense
     -487,000 -983,000  -357,000 -1,275,000 -49,000 -382,000  6,963,000 -8,257,000 -5,740,000  -9,405,750 -20,271,000         -2,069,000  -607,500 -2,285,000 -1,311,000  -177,250 -709,000            -1,549.25  -5,036,000 -1,156,000  -57,250   -17,000  -810,000                                         
      loss on disposition of assets
                                     -9.75   -39,000 -39,000             -1,078,000 -1,078,000                                          
      acquisition and integration costs
               -309,000 -231,000 -315,000 -762,000                                                                               
      change in fair value of contingent consideration
             -10,927,000 -16,499,000 -10,828,000 -3,992,000 -13,390,000 -2,664,000                                                                               
      income tax benefit
            -1,698,000           -1,968,000                 -4,601,000 -4,601,000                 15,534,000   8,577,000 8,577,000                                   
      loss per share of common stock:
                                                                                                 
      basic
            -0.17    -0.03 -0.15 -0.12 -0.2 -0.28    -0.02            -0.02 -0.035  -0.04 -0.11 -0.11   -0.1                                                     
      diluted
            -0.17    -0.03 -0.15 -0.12 -0.2 -0.28    -0.02            -0.02 -0.035  -0.04 -0.11 -0.11   -0.1                                                     
      equity in earnings of investment
                  78,000 8,184,000                                                                              
      loss on extinguishment of long-term debt
                               -18,000  -1,181,000 -2,000 -76,000 -1,105,000                                                             
      net loss attributable to redeemable noncontrolling interests
                        -172,000 -46,000 -54,000  -1,990,000 -118,000 -73,000 -31,000                                                                  
      net loss attributable to common shareholders
                 -22,623,250 -18,763,000 -29,699,000 -42,031,000    -2,878,000                                                                         
      net income attributable to redeemable noncontrolling interests
                       26,000                                                                          
      goodwill impairment
                            -6,689,000                                                                     
      gain on extinguishment of long-term debt
                     -12,000 -124,000    9,239,000                                                                       
      net income attributable to common shareholders
                     -25,908,000 -19,043,000 -13,709,000  4,163,000 24,499,000 5,450,000 -11,938,000 8,052,000 31,695,000 16,854,000                                                                  
      equity in losses of investment
                         -8,250 -11,000 -2,000 -20,000 -20,500 -13,000 -29,000 -40,000 -3,811,000 -107,000 -135,000 -136,000 -38,250 -153,000 -152,000 -152,000 -152,000                                                        
      other income – oil and gas
                                 3,979,000 652,000 561,000 2,855,000 3,432,000 303,000 291,000 2,602,000 2,602,000 3,223,000 -468,000 396,000 2,572,000 4,188,000 571,000 899,000 2,926,000  -9,128,000 1,837,000 1,837,000 1,596,000 1,596,000 12,276,000 12,276,000 800,000 1,681,000 1,681,000 1,282,000 1,282,000 2,818,000                                  
      gain on early extinguishment of long-term debt
                                       -397,000                                                          
      gross loss
                                        -825,000 -825,000                                                        
      equity in losses of investments
                                          -30,500 -122,000 -121,000    -323,000                                                 
      gain on repurchase of long-term debt
                                          61,000 244,000 302,000                                                     
      equity in earnings of investments
                                             -123,000 -124,094,000 -251,000  21,000  2,256,000 508,000 508,000 -507,000  708,000 708,000 815,000 857,000 857,000 683,000 683,000 610,000 887,000 1,392,000 1,392,000 5,748,000 407,000 5,772,000 4,906,000 5,887,000 5,650,000 6,537,000 6,221,000 1,656,000 5,055,000 5,177,000 13,385,000 6,264,000 7,503,000 6,007,000 8,886,000  10,923,000  7,889,000  6,104,000 5,477,000 1,897,000 4,520,000 6,236,000 2,039,500 3,721,000   
      net income applicable to common shareholders
                                              -386,860,000 9,880,000 -2,635,000 19,642,000                                -859,864,000 60,587,000 90,902,000 74,335,000 120,412,000 82,828,000 57,702,000 55,820,000 162,479,000 57,029,000 69,139,000 55,389,000 56,006,000 42,671,000 26,027,000 25,411,000 
      net income, including noncontrolling interests
                                              -377,006,887   19,642,000  -74,541,000 75,586,000 75,586,000 57,782,000 57,782,000 54,222,000 54,222,000 37,265,000 45,392,000 45,392,000 28,000,000 28,000,000 2,392,000 -170,760,000 15,675,000 15,675,000 45,440,000 66,526,000 17,507,000 46,826,000 42,109,000 26,635,000  26,947,000   -54,957,000 4,864,000 113,089,000 112,755,000                 
      less net income applicable to noncontrolling interests
                                                   -2,624,000     -503,000 -503,000 -762,000 -799,000 -799,000 -789,000 -789,000 -777,000 -800,000 -800,000 -800,000 -789,000 -789,000                             
      loss on early extinguishment of long-term debt
                                                           -8,572,000 -8,572,000 -646,000 -646,000 -2,882,000                                  
      net income from continuing operations
                                                   -75,614,000 75,586,000 75,586,000 57,782,000 57,782,000 54,222,000 54,222,000                                        
      income from discontinued operations, net of tax
                                                           44,000 44,000 -29,000 -29,000 1,058,000              -722,000 3,021,000 9,836,000                  
      net income applicable to helix
                                                   -77,165,000 75,586,000 75,586,000 57,782,000 57,782,000 53,719,000 53,719,000 36,503,000 44,593,000 44,593,000 27,211,000 27,211,000 1,615,000 -171,560,000 14,875,000 14,875,000 44,651,000 65,737,000 16,763,000 46,026,000 41,323,000 25,867,000  26,171,000   -55,637,000 4,020,000 100,469,000                  
      basic earnings per share of common stock:
                                                                                                 
      continuing operations
                                                   -0.74 0.72 0.72 0.55 0.55 0.51 0.51 0.35 0.42 0.42 0.26 0.26 0.01           0.25   -0.57 0.01 0.92 0.58                 
      discontinued operations
                                                               0.01              -0.01 0.03 0.1                  
      net income per common share
                                                   -0.73 0.72 0.72 0.55 0.55 0.51 0.51 0.35 0.42 0.42 0.26 0.26 0.02           0.25   -0.58 0.04 1.02 0.55                 
      diluted earnings per share of common stock:
                                                                                                 
      loss from discontinued operations, net of tax
                                                                                                 
      equity in earnings (losses) of investments
                                                       -507,000                            6,155,000              
      loss on commodity derivative contracts
                                                               -14,113,000                                  
      gain on sale of assets
                                                        11,496,000 11,496,000  15,812,000 15,812,000        -1,478,000         246,000  1,319,000 454,000 -6,422,000 -23,000 18,803,000 61,113,000 23,983,000 20,701,000 5,684,000  247,000 2,287,000 16,000 267,000 151,000 329,000   
      cost of sales:
                                                                                                 
      impairments
                                                          400,000                                       
      income from continuing operations
                                                          18,677,750 45,348,000 45,348,000 28,029,000 28,029,000 1,334,000           26,947,000   -54,235,000 1,843,000 103,253,000 115,309,000                 
      loss on sale of assets
                                                             -1,085,000 -1,085,000  -3,661,750 -12,933,000 -12,933,000 -236,000                              
      net revenues:
                                                                                                 
      contracting services
                                                                161,103,250 217,110,000 217,110,000 197,461,000 229,842,000 200,113,000 213,278,000 165,861,000 122,748,000 169,835,000 297,103,000 196,676,000 110,855,000 108,598,000 152,310,000 404,647,000 410,794,000 494,880,000 481,597,000 346,333,000 279,686,000 330,550,000 318,752,000 268,492,000 265,088,000 272,687,000 229,392,000       
      oil and gas
                                                                111,785,500 119,124,000 119,124,000 149,933,000 178,085,000 196,072,000 159,218,000 172,458,000 168,859,000 136,502,000 95,566,000 102,586,000 90,715,000 71,450,000 63,715,000 89,992,000 160,181,000 46,022,000 134,619,000 194,161,000 171,051,000 169,693,000 141,821,000 142,082,000 130,967,000 123,152,000 145,032,000       
      total net revenues
                                                                272,888,750 336,234,000 336,234,000 347,394,000 407,927,000                             
      contracting services impairments
                                                                4,753,000 4,422,000 4,422,000 14,590,000                              
      total cost of sales
                                                                45,331,000 250,477,000 250,477,000 254,169,000 246,217,000                             
      hedge ineffectiveness and non-hedge gain on commodity derivative contracts
                                                                -424,250 -9,427,000 -9,427,000                               
      provision for income taxes
                                                                12,680,000 4,967,000   27,277,000 -34,283,000 23,465,000  9,550,000                 160,769,000 31,409,000 35,887,000 29,091,000     
      preferred stock dividends
                                                                -7,000 -10,000 -10,000 -10,000 -10,000             550,000 881,000 880,000 881,000 881,000 945,000 945,000 945,000 945,000 804,000 805,000 804,000     
      net income applicable to helix common shareholders
                                                                -171,567,000 14,865,000 14,865,000 44,641,000 65,727,000 16,753,000 46,016,000 41,313,000 25,857,000  26,161,000   -55,697,000 3,895,000 100,219,000 53,450,000                 
      total comprehensive income applicable to helix common shareholders
                                                                27,323.5 -1,266 -1,266 54,483                              
      benefit from income taxes
                                                                  4,967,000 18,476,000       17,965,000       -64,396,000 54,816,000 55,925,000 43,632,000 63,217,000 45,327,000 33,261,000 33,123,000     20,601,000 25,099,000 14,779,000 14,540,000 
      oil and gas property impairments
                                                                     107,525,000 2,357,000 22,721,000  9,212,000 897,000 159,862,000                      
      ineffectiveness on oil and gas commodity derivative contracts
                                                                   10,069,000                              
      selling and administrative expenses
                                                                   -24,571,000              42,303,000 50,700,000 43,921,000 47,784,000 45,246,000 42,146,000 33,388,000 30,600,000 40,829,000 30,309,000 27,414,000 21,028,000 21,202,000 15,892,000 12,858,000 12,837,000 
      loss on oil and gas derivative commodity contracts
                                                                    -2,339,000                             
      loss on early extinguishment of long term debt
                                                                    -17,127,000                             
      comprehensive income
                                                                    56,876                             
      gain on oil and gas derivative contracts
                                                                         660,750 161,000 2,482,000     74,609,000                 
      gain on the sale or acquisition of assets
                                                                                                 
      less net income applicable to noncontrolling interests….
                                                                                                 
      benefit for income taxes
                                                                       16,171,000     7,561,000                     
      gain on sale or acquisition of assets
                                                                        16,000 1,561,500 13,000  6,247,000                     
      gain on sale of cal dive common stock
                                                                     188,250         17,901,000 59,442,000                  
      discontinued operations, net of tax
                                                                                                 
      less: net income applicable to noncontrolling interests
                                                                                                 
      less: net income applicable to noncontrolling interests….
                                                                                                 
      net interest expense and other
                                                                                 13,234,000 23,464,000 18,668,000 26,046,000 18,679,000 13,467,000 14,286,000 13,012,000 14,091,000 15,103,000 2,983,000 2,457,000 2,691,000 2,766,000 913,000 264,000 
      preferred stock beneficial conversion charges
                                                                                                 
      gain on oil and gas derivative commodity contracts
                                                                             6,157,000 4,598,000 4,121,000                  
      net income applicable to noncontrolling interests
                                                                                                 
      net income applicable to the helix
                                                                                107,202,000                 
      minority interest
                                                                                 19,320,000 19,240,000 7,076,000 237,000 7,755,000 10,195,000 3,119,000 8,219,000         
      earnings per common share:
                                                                                                 
      basic
                                                                                 -9,480 670 1,000 820 1,340 920 640 620 1,870 620 880 710 607.5 1,100 670 660 
      diluted
                                                                                 -9,390 650 960 790 1,270 880 610 600 1,780 600 830 670 585 1,050 650 640 
      equity in earnings (losses) of investments, net of impairment charge
                                                                                       -4,748,000          
      net revenues: - sum
                                                                                         395,839,000 374,424,000       
      cost of sales: - sum
                                                                                         244,859,000 243,954,000       
      marine contracting
                                                                                             82,251,250 133,875,000 98,941,000 96,189,000 
      oil and gas production
                                                                                             51,609,750 75,463,000 67,590,000 63,386,000 
      preferred stock dividends and accretion
                                                                                             804,000 550,000 550,000 550,000 
      equity in earnings of production facilities investments
                                                                                               2,708,000 1,729,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-04-25 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 2015-02-18 2014-12-31 2014-10-22 2014-09-30 2014-07-23 2014-06-30 2014-04-23 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-10-24 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 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 
                                                                                                
        assets
                                                                                                
        current assets:
                                                                                                
        cash and cash equivalents
      501,272,000 445,196,000 338,033,000 319,743,000 369,987,000 368,030,000 324,120,000 275,066,000 323,849,000 332,191,000 168,370,000 182,651,000 166,674,000 186,604,000 162,268,000 260,595,000 229,744,000 253,515,000 237,549,000 243,911,000 204,802,000 291,320,000 259,334,000 178,367,000 159,351,000 208,431,000 286,340,000 261,142,000 220,023,000 279,459,000 325,092,000 288,490,000 273,985,000 266,592,000 356,889,000 390,435,000 537,726,000 537,726,000 356,647,000 482,106,000 492,190,000 488,184,000 494,192,000 468,936,000 500,062,000 415,302,000 476,492,000 476,492,000 546,529,000 546,529,000 501,457,000 501,457,000 470,079,000 470,079,000 478,200,000 480,181,000 513,527,000 625,650,000 437,100,000 583,794,000 583,794,000 649,503,000 620,449,000 546,465,000 375,355,000 414,189,000 440,531,000 391,085,000 325,480,000 270,001,000 212,178,000 270,673,000 410,506,000 261,930,000 251,585,000 35,761,000 23,148,000 176,119,000 89,555,000 50,436,000 96,390,000 183,134,000 206,264,000 127,785,000 38,278,000 37,833,000 91,080,000 150,497,000 199,689,000 362,267,000 
        accounts receivable
      230,112,000 303,939,000 359,607,000 327,921,000 258,485,000 258,630,000 270,883,000 283,636,000 219,844,000 280,427,000 308,023,000 253,147,000 216,946,000 212,779,000 228,043,000 153,314,000 141,778,000 144,137,000 136,704,000 125,569,000 132,314,000 132,233,000 157,834,000 165,941,000 147,120,000                                                                  
        other current assets
      87,907,000 75,857,000 100,600,000 112,735,000 107,735,000 83,022,000 98,934,000 65,213,000 62,064,000 85,223,000 78,584,000 76,212,000 63,228,000 58,699,000 83,301,000 68,990,000 59,274,000 58,274,000 62,442,000 78,869,000 86,242,000 102,092,000 104,117,000 91,818,000 71,755,000 50,450,000 61,751,000 77,764,000 87,184,000 51,594,000 47,450,000 51,519,000 46,236,000 41,768,000 38,172,000 40,206,000 43,439,000 43,439,000 37,388,000 54,064,000 41,465,000 41,594,000 39,518,000 44,500,000 36,664,000 33,016,000 51,301,000 51,301,000 48,006,000 48,006,000 41,917,000 41,917,000 46,759,000 46,759,000 29,709,000 80,480,000 63,579,000 61,189,000 96,934,000 131,897,000 131,897,000 117,979,000 109,669,000 121,621,000 123,236,000 110,334,000 113,829,000 123,065,000 125,575,000 120,670,000 129,490,000 121,331,000 130,546,000 123,325,000 200,269,000 148,378,000 162,199,000 122,720,000 125,582,000 155,052,000 76,832,000 62,992,000 61,532,000 87,143,000 58,105,000 59,478,000 44,054,000 48,165,000 30,114,000 26,488,000 
        total current assets
      819,291,000 824,992,000 798,240,000 760,399,000 736,207,000 709,682,000 693,937,000 623,915,000 605,757,000 697,841,000 554,977,000 512,010,000 449,356,000 460,589,000 476,118,000 485,404,000 503,730,000 529,538,000 507,977,000 519,631,000 488,937,000 525,645,000 521,285,000 478,253,000 430,600,000 438,468,000 512,346,000 489,937,000 450,643,000 450,928,000 529,939,000 496,714,000 441,530,000 451,643,000 531,357,000 554,508,000 657,890,000 657,890,000 522,782,000 679,010,000 645,281,000 647,246,000 684,035,000 696,424,000 733,035,000 620,272,000 694,273,000 694,273,000 829,072,000 829,072,000 818,265,000 818,265,000 752,385,000 752,385,000 743,647,000 738,872,000 774,120,000 864,462,000 804,107,000 963,336,000 963,336,000 1,006,931,000 992,111,000 944,242,000 748,627,000 757,232,000 767,612,000 740,854,000 669,276,000 595,048,000 528,783,000 565,560,000 765,753,000 651,544,000 965,819,000 761,015,000 698,084,000 702,847,000 727,269,000 613,213,000 551,448,000 651,332,000 923,900,000 514,908,000 380,661,000 331,191,000 372,053,000 368,690,000 365,350,000 509,730,000 
        property and equipment
      3,137,031,000 3,156,606,000 3,173,123,000 3,199,321,000 3,113,515,000 3,068,755,000 3,137,207,000 3,073,582,000 3,067,478,000 3,078,571,000 3,049,952,000 3,059,103,000 3,036,579,000 3,016,312,000 2,945,654,000 2,860,872,000 2,916,214,000 2,938,154,000 2,942,699,000 2,964,068,000 2,956,804,000 2,948,907,000 2,911,362,000 2,879,522,000 2,880,657,000 2,922,274,000 2,819,932,000 2,805,043,000 2,804,271,000 2,785,778,000 2,727,760,000 2,722,845,000 2,721,339,000 2,695,772,000 2,612,407,000 2,562,835,000 2,511,931,000 2,511,931,000 2,450,890,000 2,655,343,000 2,565,180,000 2,551,363,000 2,544,857,000 2,515,691,000 2,474,882,000 2,287,411,000 2,241,444,000 2,241,444,000 2,129,058,000 2,129,058,000 2,072,116,000 2,072,116,000 1,966,500,000 1,966,500,000 1,959,783,000 1,913,000,000 1,858,537,000 2,115,321,000 2,051,796,000 4,378,185,000 4,378,185,000 4,366,783,000 4,403,092,000 4,391,064,000 4,434,796,000 4,586,583,000 4,535,834,000 4,486,077,000 4,494,387,000 4,454,976,000 4,402,651,000 4,352,109,000 4,239,307,000 4,160,962,000 4,803,576,000 4,663,853,000 4,530,881,000 4,328,953,000 4,088,561,000 3,443,815,000 3,167,825,000 2,910,361,000 2,721,362,000 2,494,844,000 1,490,276,000 1,387,546,000 1,259,014,000 1,190,558,000 1,097,223,000 879,281,000 
        less accumulated depreciation
      -1,816,953,000 -1,794,112,000 -1,765,891,000 -1,745,033,000 -1,679,150,000 -1,630,902,000 -1,625,882,000 -1,572,770,000 -1,537,843,000 -1,505,722,000 -1,475,042,000 -1,450,115,000 -1,410,428,000 -1,374,697,000 -1,337,814,000 -1,321,699,000 -1,306,162,000 -1,280,509,000 -1,256,025,000 -1,228,891,000 -1,197,712,000 -1,165,943,000 -1,135,352,000 -1,100,105,000 -1,070,733,000 -1,049,637,000 -1,022,138,000 -1,000,679,000 -986,202,000 -959,033,000 -956,209,000 -938,538,000 -919,113,000 -889,783,000 -878,248,000 -851,432,000 -824,096,000 -824,096,000 -799,280,000 -1,005,859,000 -983,218,000 -964,492,000 -941,848,000 -581,368,000 -554,909,000 -527,033,000   -488,871,000 -488,871,000 -467,928,000 -467,928,000 -444,881,000 -444,881,000 -431,489,000 -411,320,000 -432,170,000 -582,594,000 -565,921,000 -1,946,358,000 -1,946,358,000 -2,007,490,000                             
        operating lease right-of-use assets
      302,926,000 302,649,000 297,021,000 314,263,000 327,732,000 329,649,000 338,245,000 347,608,000 358,285,000 169,233,000 181,610,000 177,942,000 191,051,000 197,849,000 209,351,000 139,262,000 150,894,000 104,190,000 117,397,000 125,481,000 136,210,000 149,656,000 162,052,000 174,803,000 187,553,000 201,118,000 213,048,000 227,213,000 240,332,000                                                              
        deferred certification and dry dock costs
      73,493,000 74,351,000                                                                                         
        other assets
      52,301,000 51,418,000 47,525,000 46,035,000 47,604,000 48,178,000 43,318,000 46,558,000 47,046,000 44,823,000 47,477,000 47,662,000 49,079,000 50,507,000 62,188,000 49,814,000 42,694,000 34,655,000 35,251,000 37,418,000 37,510,000 40,013,000 46,127,000 52,196,000 86,074,000 84,508,000 90,323,000 98,708,000 98,277,000 70,057,000 76,985,000 85,823,000 95,392,000 105,205,000 100,974,000 95,651,000 86,565,000 86,565,000 72,549,000 57,945,000 42,018,000 35,163,000 53,601,000 72,124,000 73,306,000 58,191,000 59,272,000 59,272,000 60,270,000 60,270,000 61,951,000 61,951,000 66,925,000 66,925,000 51,190,000 47,339,000 49,673,000 41,958,000 49,837,000 84,707,000 84,707,000 86,786,000 75,038,000 68,907,000 80,862,000 76,421,000 70,449,000 74,561,000 79,000,000 82,137,000 85,934,000 82,213,000 79,310,000 79,682,000 117,791,000 166,593,000 213,097,000 194,870,000 177,209,000 132,937,000 137,758,000 123,030,000 117,911,000 132,382,000 97,413,000 91,849,000 91,162,000 72,329,000 74,146,000 60,022,000 
        total assets
      2,568,089,000 2,615,904,000 2,631,887,000 2,672,561,000 2,635,023,000 2,597,080,000 2,661,149,000 2,596,937,000 2,613,814,000 2,556,036,000 2,434,752,000 2,423,845,000 2,369,334,000 2,389,338,000 2,355,497,000 2,213,653,000 2,307,370,000 2,326,028,000 2,347,299,000 2,417,707,000 2,421,749,000 2,498,278,000 2,505,474,000 2,484,669,000 2,514,151,000 2,596,731,000 2,613,511,000 2,620,222,000 2,607,321,000 2,347,730,000 2,378,475,000 2,366,844,000 2,339,148,000 2,362,837,000 2,366,490,000 2,361,562,000 2,432,290,000 2,432,290,000 2,246,941,000 2,431,546,000 2,314,368,000 2,314,387,000 2,411,952,000 2,908,000,000 2,934,196,000 2,648,324,000 2,700,698,000 2,700,698,000 2,744,956,000 2,744,956,000 2,701,110,000 2,701,110,000 2,559,995,000 2,559,995,000 2,544,280,000 2,511,906,000 2,474,749,000 2,666,331,000 3,386,580,000 3,711,957,000 3,711,957,000 3,688,805,000 3,664,943,000  3,552,009,000 3,560,637,000                         
        liabilities and shareholders' equity
                                                                                                
        current liabilities:
                                                                                                
        accounts payable
      138,412,000 134,287,000 147,402,000 172,255,000 159,835,000 144,793,000 142,400,000 144,830,000 120,375,000 134,552,000 142,217,000 145,937,000 134,363,000 135,267,000 131,898,000 99,716,000 97,531,000 87,959,000 75,162,000 70,105,000 55,148,000 50,022,000 66,320,000 71,402,000 90,425,000 69,055,000 79,122,000 76,536,000 63,849,000 54,813,000 62,844,000 69,624,000 71,722,000 81,299,000 91,412,000 86,601,000 74,714,000 74,714,000 60,210,000 127,733,000 48,013,000 41,369,000 65,370,000 75,781,000 98,804,000 80,106,000 83,403,000 83,403,000 117,280,000 117,280,000 157,553,000 157,553,000 96,370,000 96,370,000 72,602,000 75,035,000 91,836,000 100,553,000 92,398,000 164,110,000 164,110,000 156,738,000 145,631,000 147,043,000 145,112,000 148,142,000 126,364,000 159,381,000 165,484,000 163,975,000 135,985,000 155,457,000 177,118,000 165,342,000 271,969,000 344,088,000 324,961,000 321,595,000 382,767,000 261,569,000 268,877,000 210,688,000 240,067,000 208,398,000 138,006,000 115,314,000 99,445,000 81,612,000 60,050,000 57,094,000 
        accrued liabilities
      69,137,000 94,951,000 99,248,000 104,772,000 90,606,000 90,455,000 91,767,000 88,662,000 163,797,000 203,112,000 178,118,000 142,609,000 60,811,000 73,574,000 112,321,000 85,180,000 74,873,000 91,712,000 85,240,000 83,618,000 76,486,000 87,035,000 84,657,000 80,268,000 45,227,000 62,389,000 71,982,000 84,611,000 81,842,000 85,594,000 84,431,000 81,087,000 64,396,000 71,680,000 60,761,000 60,119,000 58,020,000 58,020,000 58,614,000 69,904,000 71,009,000 67,265,000 71,641,000 78,718,000 66,788,000 70,774,000 104,923,000 104,923,000 85,969,000 85,969,000 79,130,000 79,130,000 59,814,000 59,814,000 96,482,000 83,359,000 100,091,000 122,024,000 161,514,000 196,289,000 196,289,000 177,225,000 196,814,000 239,963,000 159,676,000 190,226,000 199,479,000 198,237,000 197,966,000 202,154,000 202,481,000 200,156,000 198,876,000 224,318,000 209,215,000 213,555,000 246,567,000 215,092,000 221,366,000 269,289,000 188,148,000 190,694,000 199,650,000 177,192,000 135,633,000 126,879,000 145,752,000 109,818,000 89,694,000 74,191,000 
        current maturities of long-term debt
      9,394,000 9,644,000 9,644,000 9,412,000 9,412,000 9,186,000 9,186,000 8,965,000 8,965,000 48,292,000 8,749,000 38,499,000 38,452,000 38,200,000 38,154,000 8,133,000 43,117,000 42,873,000 42,825,000 70,492,000 36,478,000 90,651,000 73,401,000 82,028,000 90,837,000 99,731,000 108,468,000 117,033,000 47,888,000 47,252,000 46,784,000 46,151,000 46,492,000 109,861,000 108,611,000 107,205,000 67,724,000 67,724,000 67,571,000 70,905,000 71,786,000 71,786,000 71,640,000 71,640,000 71,497,000 32,033,000 28,144,000 28,144,000 24,394,000 24,394,000 20,508,000 20,508,000 20,508,000 20,508,000 20,376,000 20,376,000 5,247,000 10,247,000 16,607,000 13,120,000 13,120,000 12,997,000 12,997,000 7,877,000 7,877,000 7,759,000 9,638,000 10,179,000 10,845,000 11,396,000 11,834,000 12,424,000 13,135,000 13,730,000 93,644,000 93,540,000 163,656,000 54,301,000 74,846,000 25,978,000 26,165,000 25,993,000 25,887,000 14,727,000 6,316,000 6,438,000 6,468,000 6,566,000 7,332,000 7,240,000 
        current operating lease liabilities
      64,112,000 60,796,000 57,826,000 61,525,000 63,542,000 59,982,000 59,866,000 57,717,000 54,892,000 62,662,000 61,191,000 55,667,000 54,407,000 50,914,000 48,102,000 39,697,000 41,464,000 55,739,000 55,051,000 50,769,000 50,321,000 51,599,000 52,160,000 53,023,000 53,063,000 53,785,000 52,840,000 54,449,000 55,241,000                                                              
        total current liabilities
      281,055,000 299,678,000 314,120,000 347,964,000 323,395,000 304,416,000 303,219,000 300,174,000 348,029,000 448,618,000 390,275,000 382,712,000 288,033,000 297,955,000 330,475,000 232,726,000 256,985,000 278,283,000 258,278,000 274,984,000 218,433,000 279,307,000 276,538,000 286,721,000 279,552,000 284,960,000 312,412,000 332,629,000 248,820,000 191,488,000 199,918,000 198,339,000 182,610,000 265,639,000 262,540,000 253,925,000 200,458,000 200,458,000 186,395,000 268,542,000 190,808,000 180,789,000 210,912,000 226,139,000 237,089,000 186,246,000 225,613,000 225,613,000 253,231,000 253,231,000 257,191,000 257,191,000 176,692,000 176,692,000 190,220,000 197,716,000 197,174,000 268,621,000 453,046,000 373,519,000 373,519,000 350,025,000 380,419,000 396,176,000 316,521,000 346,127,000 335,481,000 367,797,000 374,295,000 377,525,000 350,300,000 368,488,000 497,342,000 481,304,000 608,238,000 651,183,000 830,872,000 617,837,000 678,979,000 589,915,000 483,190,000 437,344,000 613,376,000 400,317,000 279,955,000 248,631,000 251,665,000 197,996,000 157,076,000 138,525,000 
        long-term debt
      294,367,000 298,351,000 297,828,000 302,200,000 301,697,000 305,971,000 305,487,000 309,664,000 309,199,000 313,430,000 218,508,000 222,469,000 222,008,000 225,875,000 225,427,000 258,977,000 258,496,000 262,137,000 261,668,000 265,222,000 299,560,000 258,912,000 283,545,000 304,834,000 303,584,000 306,122,000 304,932,000 307,455,000 381,319,000 393,063,000 401,265,000 412,852,000 420,878,000 385,766,000 395,345,000 408,250,000 541,664,000 541,664,000 558,396,000 607,502,000 638,985,000 659,948,000 689,688,000 704,568,000 722,515,000 514,265,000 523,228,000 523,228,000 529,281,000 529,281,000 538,254,000 538,254,000 540,636,000 540,636,000 545,776,000 548,204,000 543,341,000 687,461,000 1,002,621,000 1,159,958,000 1,159,958,000 1,167,908,000 1,167,486,000 1,147,444,000 1,163,914,000 1,239,893,000 1,346,469,000 1,347,753,000 1,346,698,000 1,347,994,000 1,347,007,000 1,348,315,000 1,347,395,000 1,348,713,000 1,912,357,000 1,815,083,000 1,697,797,000 1,835,878,000 1,725,541,000 1,444,649,000 1,386,011,000 1,420,764,000 1,454,469,000 1,262,098,000 437,970,000 438,256,000 440,703,000 435,949,000 435,252,000 436,036,000 
        operating lease liabilities
      257,889,000 260,959,000 257,159,000 270,119,000 281,146,000 285,984,000 293,393,000 302,941,000 314,351,000 116,185,000 129,455,000 131,175,000 145,186,000 154,686,000 166,916,000 103,548,000 112,507,000 50,198,000 64,423,000 76,934,000 88,576,000 101,009,000 112,957,000 124,983,000 137,411,000 151,827,000 164,761,000 178,731,000 191,545,000                                                              
        deferred tax liabilities
      104,972,000 105,571,000 117,821,000 114,734,000 113,416,000 113,973,000 123,722,000 120,169,000 109,981,000 110,555,000 105,823,000 99,864,000 97,577,000 98,883,000 97,373,000 86,416,000 86,244,000 86,966,000 91,785,000 97,906,000 100,655,000 110,821,000 118,411,000 103,773,000 104,930,000 112,132,000 110,118,000 108,344,000 107,367,000 105,862,000 102,742,000 106,560,000 108,546,000 103,349,000 154,158,000 154,826,000 148,187,000 148,187,000 167,351,000 173,901,000 166,557,000 174,064,000 180,974,000 257,596,000 257,852,000 247,050,000 260,275,000 260,275,000 267,409,000 267,409,000 272,448,000 272,448,000 270,918,000 270,918,000 265,879,000 260,649,000 288,596,000 290,102,000 359,237,000 455,266,000 455,266,000 445,817,000                             
        other non-current liabilities
      72,950,000 71,433,000 70,084,000 68,768,000 70,104,000 66,971,000 64,758,000 67,201,000 65,432,000 66,248,000 60,173,000 55,697,000 100,810,000 95,230,000 53,452,000 196,000 392,000 975,000 1,481,000 2,601,000 3,105,000 3,878,000 4,958,000 6,286,000 36,286,000 38,644,000 39,008,000 41,284,000 48,427,000 39,538,000 42,382,000 46,699,000 38,096,000 40,690,000 42,736,000 46,926,000 49,942,000 49,942,000 52,985,000 44,425,000 52,829,000 49,845,000 51,415,000 46,412,000 41,414,000 45,753,000 38,108,000 38,108,000 17,592,000 17,592,000 11,297,000 11,297,000 13,748,000 13,748,000 18,295,000 18,274,000 19,838,000 14,976,000 5,025,000                                
        total liabilities
      1,011,233,000 1,035,992,000 1,057,012,000 1,103,785,000 1,089,758,000 1,077,315,000 1,090,579,000 1,100,149,000 1,146,992,000 1,055,036,000 904,234,000 891,917,000 853,614,000 872,629,000 873,643,000 681,863,000 714,624,000 678,559,000 677,635,000 717,647,000 710,329,000 753,927,000 796,409,000 826,597,000 861,763,000 893,685,000 931,231,000 968,443,000 977,478,000 729,951,000 746,307,000 764,450,000 750,130,000 795,444,000 854,779,000 863,927,000 940,251,000 940,251,000 965,127,000 1,094,370,000 1,049,179,000 1,064,646,000 1,132,989,000 1,234,715,000 1,258,870,000 993,314,000 1,047,224,000 1,047,224,000 1,067,513,000 1,067,513,000 1,079,190,000 1,079,190,000 1,001,994,000 1,001,994,000 1,020,170,000 1,024,843,000 1,048,949,000 1,261,160,000 1,967,166,000 2,133,372,000 2,133,372,000 2,107,817,000 2,134,215,000 2,131,806,000 2,096,228,000 2,189,731,000 2,270,577,000 2,305,376,000 2,290,583,000 2,280,079,000 2,311,614,000 2,346,071,000 2,489,537,000 2,533,342,000 3,383,292,000 3,395,724,000 3,382,505,000 3,339,414,000 3,286,861,000 2,679,570,000 2,490,208,000 2,459,203,000 2,649,437,000 2,247,069,000 1,041,085,000 982,898,000 976,564,000 941,365,000 870,615,000 798,449,000 
        commitments and contingencies
                                                                                                
        shareholders’ equity:
                                                                                                
        common stock
      1,220,461,000 1,218,494,000 1,221,626,000 1,219,477,000 1,247,496,000 1,252,253,000 1,270,347,000 1,267,768,000 1,270,357,000 1,271,565,000 1,290,940,000 1,291,307,000 1,294,484,000 1,298,740,000 1,297,296,000 1,295,016,000 1,292,935,000 1,292,479,000 1,290,697,000 1,288,603,000 1,286,380,000 1,327,592,000 1,325,520,000 1,318,531,000 1,316,401,000 1,318,961,000 1,316,805,000 1,314,163,000 1,310,738,000 1,308,709,000 1,306,703,000 1,303,984,000 1,301,299,000 1,284,274,000 1,281,747,000 1,279,162,000 1,276,623,000 1,276,623,000 1,055,934,000 1,045,483,000 986,239,000 945,952,000 945,565,000 944,718,000 939,504,000 936,735,000 934,447,000 934,447,000 936,922,000 936,922,000 935,821,000 935,821,000 934,328,000 934,328,000 933,507,000 937,501,000 932,899,000 935,463,000 932,742,000 929,397,000 929,397,000 927,085,000 932,097,000 908,776,000 913,976,000 911,393,000 908,632,000 906,957,000 905,880,000 906,153,000 907,362,000 907,691,000 905,455,000 895,305,000 891,809,000 772,306,000 769,834,000 762,075,000 755,758,000 749,227,000 752,623,000 748,756,000 745,928,000 802,046,000 245,483,000 242,056,000 233,537,000 230,148,000 225,734,000 224,878,000 
        retained earnings
      385,508,000 398,914,000 390,644,000 368,561,000 371,159,000 368,087,000 347,966,000 318,452,000 286,163,000 312,450,000 340,783,000 325,223,000 318,123,000 323,288,000 320,579,000 339,342,000 369,041,000 411,072,000 437,065,000 456,108,000 468,087,000 464,524,000 460,478,000 436,107,000 430,726,000 445,370,000 437,418,000 405,748,000 388,912,000 383,034,000 396,781,000 369,659,000 351,876,000 352,906,000 302,326,000 300,036,000 306,439,000 306,439,000 322,854,000 377,267,000 365,805,000 376,476,000 404,299,000 808,166,000 798,286,000 800,921,000 781,279,000 781,279,000 773,319,000 773,319,000 697,733,000 697,733,000 639,951,000 639,951,000 586,232,000 549,729,000 505,136,000 477,925,000 476,310,000 647,877,000 647,877,000 633,012,000 588,371,000 522,644,000 505,892,000 459,875,000 418,562,000 392,705,000 442,526,000 416,365,000 501,916,000 519,807,000 575,504,000 571,609,000 471,390,000 1,295,370,000 1,234,783,000 1,143,881,000 1,069,546,000 949,134,000 866,306,000 808,604,000 752,784,000 590,305,000 533,276,000 464,136,000 408,748,000 352,742,000 310,071,000 284,045,000 
        accumulated other comprehensive loss
      -49,113,000 -37,496,000 -37,395,000 -19,262,000 -73,390,000 -100,575,000 -47,743,000 -89,432,000 -89,698,000 -83,015,000 -101,205,000 -84,602,000 -96,887,000 -105,319,000 -136,021,000 -102,568,000 -69,230,000 -56,082,000 -58,098,000 -44,651,000 -47,007,000 -51,620,000 -80,512,000 -99,938,000 -98,062,000 -64,740,000 -75,200,000 -71,515,000 -69,807,000 -73,964,000 -71,316,000 -71,249,000 -64,157,000 -69,787,000 -72,362,000 -81,563,000 -91,023,000 -91,023,000 -96,974,000 -85,574,000 -86,855,000 -72,687,000 -70,901,000 -79,599,000 -62,464,000 -82,646,000   -32,798,000 -32,798,000 -11,634,000 -11,634,000 -16,278,000 -16,278,000 -20,688,000 -25,502,000 -37,797,000 -33,986,000 -15,667,000 -25,956,000 -25,956,000 -9,825,000 -19,667,000 -10,017,000  -27,956,000 -47,510,000 -39,058,000 -18,984,000 -20,502,000 -18,978,000 -22,241,000 -26,931,000 -20,575,000 -41,772,000                
        total shareholders’ equity
      1,556,856,000 1,579,912,000 1,574,875,000 1,568,776,000 1,545,265,000 1,519,765,000 1,570,570,000 1,496,788,000 1,466,822,000 1,501,000,000 1,530,518,000 1,531,928,000 1,515,720,000 1,516,709,000 1,481,854,000 1,531,790,000 1,592,746,000 1,647,469,000 1,669,664,000 1,700,060,000 1,707,460,000 1,740,496,000 1,705,486,000 1,654,700,000 1,649,065,000 1,699,591,000 1,679,023,000 1,648,396,000 1,629,843,000 1,617,779,000 1,632,168,000 1,602,394,000 1,589,018,000 1,567,393,000 1,511,711,000 1,497,635,000 1,492,039,000 1,492,039,000 1,281,814,000 1,337,176,000 1,265,189,000 1,249,741,000 1,278,963,000 1,673,285,000 1,675,326,000 1,655,010,000                              2,072,522,000 2,021,819,000 1,925,578,000 1,846,566,000 1,731,379,000 1,648,789,000 1,577,043,000 1,525,948,000 1,407,878,000 784,502,000 704,953,000 629,300,000 563,534,000 532,971,000 514,720,000 
        total liabilities and shareholders’ equity
      2,568,089,000 2,615,904,000 2,631,887,000 2,672,561,000 2,635,023,000 2,597,080,000 2,661,149,000 2,596,937,000 2,613,814,000 2,556,036,000 2,434,752,000 2,423,845,000 2,369,334,000 2,389,338,000 2,355,497,000 2,213,653,000 2,307,370,000            2,607,321,000 2,347,730,000 2,378,475,000 2,366,844,000 2,339,148,000 2,362,837,000 2,366,490,000 2,361,562,000 2,432,290,000 2,432,290,000 2,246,941,000 2,431,546,000 2,314,368,000 2,314,387,000 2,411,952,000 2,908,000,000 2,934,196,000 2,648,324,000                   3,552,009,000 3,560,637,000                         
        deferred recertification and dry dock costs
        81,869,000 97,576,000 89,115,000 71,718,000 74,324,000 78,044,000 73,091,000 71,290,000 75,778,000 77,243,000 53,697,000 38,778,000                                                                             
        restricted cash
                  2,508,000 2,507,000 2,506,000 2,505,000 72,934,000 73,612,000 71,282,000 71,282,000 65,579,000   42,127,000 52,374,000 54,130,000                                                                 
        redeemable noncontrolling interests
                          3,960,000 3,855,000 3,579,000 3,372,000 3,323,000 3,455,000 3,257,000 3,383,000                                                               
        total liabilities, redeemable noncontrolling interests and shareholders’ equity
                       2,326,028,000 2,347,299,000 2,417,707,000 2,421,749,000 2,498,278,000 2,505,474,000 2,484,669,000 2,514,151,000 2,596,731,000 2,613,511,000 2,620,222,000                                                               
        liabilities and shareholders’ equity
                                                                                                
        accounts receivable:
                                                                                                
        trade, net of allowance for uncollectible accounts of 0
                               75,646,000 91,707,000 79,916,000 102,072,000                                                              
        unbilled and other
                               49,811,000 72,548,000 71,115,000 41,364,000 51,943,000 66,396,000 76,914,000 43,353,000                                                          
        income tax payable
                                   3,829,000 5,859,000 1,477,000  2,799,000 1,756,000       369,000 2,261,000   3,333,000 9,143,000 9,143,000 25,588,000 25,588,000     760,000 18,946,000  35,797,000    3,065,000 24,977,000 1,293,000           26,921,000   26,849,000  33,079,000  9,969,000         
        trade, net of allowance for uncollectible accounts of 0 and 2,752, respectively
                                   67,932,000                                                             
        trade, net of allowance for uncollectible accounts of 2,752
                                    91,001,000 79,791,000 77,956,000                                                          
        trade, net of allowance for uncollectible accounts of 2,752 and 1,778, respectively
                                       113,336,000 90,480,000 83,555,000                                                       
        unbilled revenue and other
                                       29,947,000 45,816,000 40,312,000 25,821,000 25,821,000 10,328,000 41,570,000 16,216,000 6,637,000                                                 
        current deferred tax assets
                                            16,594,000 15,706,000 14,211,000 53,027,000 53,573,000 36,059,000 32,331,000 23,477,000 31,180,000 31,180,000 26,342,000 26,342,000 24,370,000 24,370,000 19,865,000 19,865,000 51,573,000                                    
        trade, net of allowance for uncollectible accounts of 2,984 and 1,778, respectively
                                          50,904,000 50,904,000                                                     
        trade, net of allowance for uncollectible accounts of 1,778 and 350, respectively
                                            101,825,000                                                    
        other assets:
                                                                                                
        equity investments
                                                26,200,000 143,481,000 145,588,000 148,147,000 149,623,000 149,623,000 152,588,000 152,588,000 152,877,000 152,877,000 155,730,000 155,730,000 157,919,000 161,200,000 162,839,000 165,452,000 167,599,000 169,318,000 169,318,000 173,543,000 173,440,000 175,656,000 186,423,000 188,772,000 186,831,000 187,031,000 187,112,000 187,694,000 186,944,000 189,411,000 191,475,000 393,405,000 194,087,000 206,805,000 202,501,000 207,579,000 213,429,000 212,975,000 212,319,000 219,720,000 213,362,000 210,457,000 203,198,000 193,735,000 179,556,000 168,198,000   
        goodwill
                                             45,107,000 45,107,000 45,107,000 45,107,000 61,648,000 62,294,000 61,336,000 62,146,000 62,146,000 62,839,000 62,839,000 63,829,000 63,829,000 63,336,000 63,336,000 63,230,000 62,815,000 61,750,000 61,732,000 62,935,000 62,769,000 62,769,000 62,252,000 62,667,000 62,215,000 62,344,000 62,902,000 62,956,000 62,494,000 79,093,000 76,134,000 77,771,000 78,643,000 78,220,000 77,515,000 365,641,000 1,077,411,000 1,084,711,000 1,087,904,000 1,089,758,000 835,073,000 828,228,000 824,137,000 822,556,000 805,706,000 105,012,000 106,251,000 101,731,000 82,476,000 82,811,000 84,073,000 
        trade, net of allowance for uncollectible accounts of 115 and 350, respectively
                                             75,995,000                                                   
        income tax receivable
                                             9,569,000 21,311,000          23,771,000 23,771,000 25,956,000 25,956,000                                     
        trade, net of allowance for uncollectible accounts of 316 and 350, respectively
                                              59,888,000                                                  
        trade, net of allowance for uncollectible accounts of 350
                                               57,804,000                                                 
        trade, net of allowance for uncollectible accounts of 350 and 4,735, respectively
                                                76,287,000                                                
        unbilled revenue
                                                20,434,000 31,870,000 39,883,000 39,324,000 28,542,000 28,542,000 71,366,000 71,366,000 35,797,000 35,797,000 55,999,000 55,999,000 25,732,000 25,057,000 32,020,000 29,392,000 26,992,000 33,928,000 33,928,000 30,053,000 15,458,000 24,338,000 13,878,000 18,325,000 21,959,000 33,712,000 17,712,000 17,308,000 27,383,000 17,854,000 22,558,000 14,052,000 43,795,000 51,881,000 34,431,000 20,519,000 64,630,000 36,697,000 56,377,000 51,445,000 82,834,000 52,695,000 31,717,000 34,638,000 31,012,000 23,228,000 25,248,000 17,000,000 
        costs in excess of billing
                                                31,000 774,000 3,436,000 776,000 2,034,000 2,034,000 11,111,000 11,111,000 1,508,000 1,508,000 1,508,000 1,508,000 1,508,000 2,529,000 1,508,000 5,438,000 6,848,000 15,671,000 15,671,000 21,492,000 9,118,000 13,037,000 14,996,000 1,978,000 434,000 15,699,000 24,113,000 11,829,000 28,000 9,305,000 16,624,000 37,121,000 67,927,000 95,142,000 75,370,000 52,674,000             
        trade, net of allowance for uncollectible accounts of 7,775 and 4,735, respectively
                                                 114,285,000                                               
        trade, net of allowance for uncollectible accounts of 7,525 and 4,735, respectively
                                                  120,659,000                                              
        trade, net of allowance for uncollectible accounts of 5,160 and 4,735, respectively
                                                   108,377,000                                             
        trade, net of allowance for uncollectible accounts of 4,735 and 2,234, respectively
                                                    104,724,000 104,724,000                                           
        shareholders' equity:
                                                                                                
        total controlling interest shareholders' equity
                                                    1,653,474,000 1,653,474,000 1,677,443,000 1,677,443,000 1,621,920,000 1,621,920,000 1,558,001,000 1,558,001,000 1,499,051,000 1,461,728,000 1,400,238,000 1,379,402,000 1,393,385,000 1,551,318,000 1,551,318,000 1,550,272,000 1,500,801,000                            
        noncontrolling interests
                                                            25,059,000         28,138,000 27,393,000 26,594,000 25,808,000 25,040,000 24,254,000 23,478,000 23,033,000 22,205,000 21,525,000 20,681,000 332,969,000                
        total equity
                                                    1,653,474,000 1,653,474,000 1,677,443,000 1,677,443,000 1,621,920,000 1,621,920,000 1,558,001,000 1,558,001,000 1,524,110,000 1,487,063,000 1,425,800,000 1,405,171,000 1,419,414,000 1,577,585,000 1,577,585,000 1,579,988,000 1,529,728,000 1,449,541,000 1,454,781,000 1,369,906,000 1,305,492,000 1,285,644,000 1,353,676,000 1,325,494,000 1,413,333,000 1,427,462,000 1,475,553,000 1,467,020,000 1,654,396,000                
        total liabilities and shareholders' equity
                                                    2,700,698,000 2,700,698,000 2,744,956,000 2,744,956,000 2,701,110,000 2,701,110,000 2,559,995,000 2,559,995,000 2,544,280,000 2,511,906,000 2,474,749,000 2,666,331,000 3,386,580,000 3,711,957,000 3,711,957,000 3,688,805,000 3,664,943,000                            
        trade, net of allowance for uncollectible accounts of 5,971 and 2,234, respectively
                                                      125,718,000 125,718,000 189,445,000 189,445,000                                       
        trade, net of allowance for uncollectible accounts of 1,371 and 2,234, respectively
                                                          132,219,000 132,219,000                                     
        trade, net of allowance for uncollectible accounts of 2,234 and 5,152, respectively
                                                            156,925,000                                    
        current assets of discontinued operations
                                                                84,000,000             878,000                   
        non-current assets of discontinued operations
                                                                816,227,000                                
        current liabilities of discontinued operations
                                                                182,527,000                6,489,000                
        non-current liabilities of discontinued operations
                                                                147,237,000                                
        trade, net of allowance for uncollectible accounts of 6,121 and 5,152, respectively
                                                             150,625,000                                   
        noncontrolling interest
                                                             25,335,000 25,562,000 25,769,000 26,029,000 26,267,000 26,267,000 29,716,000 28,927,000                            
        trade, net of allowance for uncollectible accounts of 4,000 and 5,152, respectively
                                                              163,486,000                                  
        trade, net of allowance for uncollectible accounts of 5,154 and 5,152, respectively
                                                               142,793,000                                 
        trade, net of allowance for uncollectible accounts of 5,152 and 4,000, respectively
                                                                152,233,000                                
        convertible preferred stock
                                                                 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 6,000,000 6,000,000 6,000,000 25,000,000 25,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 55,000,000 
        trade, net of allowance for uncollectible accounts of 4,844 and 4,067, respectively
                                                                 198,046,000 198,046,000                              
        asset retirement obligations
                                                                 136,293,000 136,293,000 135,235,000 146,696,000 161,208,000 169,429,000 166,458,000 168,014,000 170,410,000 163,372,000 165,799,000 178,371,000                    
        other long-term liabilities
                                                                 8,336,000 8,336,000 8,832,000 16,516,000 9,368,000 4,844,000 5,432,000 5,301,000 5,777,000 7,569,000 5,109,000 4,789,000 4,262,000 10,148,000 8,981,000 8,723,000 74,532,000 68,550,000 66,026,000 63,183,000 6,770,000 4,231,000 7,343,000 6,143,000 4,582,000 8,984,000 9,121,000     
        trade, net of allowance for uncollectible accounts of 4,067
                                                                   187,904,000 237,417,000                            
        accounts receivable-
                                                                                                
        less - accumulated depreciation
                                                                    -2,041,405,000                            
        deferred income taxes
                                                                    423,098,000 417,610,000 441,520,000 431,821,000 415,312,000 413,639,000 398,649,000 383,652,000 431,147,000 442,607,000 456,728,000 513,248,000 657,138,000 669,620,000 599,458,000 626,946,000 625,508,000 488,634,000 476,094,000 454,539,000 436,544,000 441,359,000 203,419,000 178,015,000 8,861,000 21,067,000 10,662,000 10,714,000 
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,067 and 4,527
                                                                     238,781,000                           
        less — accumulated depreciation
                                                                     -2,059,737,000 -1,961,043,000 -2,111,273,000 -2,046,613,000 -1,958,997,000 -1,863,609,000 -1,789,416,000 -1,551,136,000 -1,488,403,000 -1,382,975,000 -1,337,746,000 -1,384,226,000 -1,056,183,000 -994,829,000 -934,183,000 -843,873,000 -691,973,000 -630,429,000 -568,809,000 -508,904,000 -448,350,000 -395,973,000 -367,721,000 -342,652,000 -322,352,000 -314,723,000 -300,593,000 
        total controlling interest shareholders’ equity
                                                                     1,421,403,000 1,427,388,000 1,343,312,000 1,279,684,000 1,260,604,000 1,329,422,000 1,302,016,000 1,390,300,000 1,405,257,000 1,454,028,000 1,446,339,000 1,321,427,000                
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,130 and 4,527, respectively
                                                                      221,162,000                          
        income taxes payable
                                                                      3,856,000        108,213,000 77,914,000   95,688,000      147,772,000        
        accumulated other comprehensive income
                                                                      7,520,000           4,846,000 17,202,000 19,622,000 21,262,000 33,018,000 29,860,000 19,683,000 27,236,000 19,544,000 9,720,000 2,661,000 -1,729,000 -8,674,000 4,378,000 13,102,000 
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,395 and 4,527, respectively
                                                                       212,406,000                         
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,445 and 4,527, respectively
                                                                        190,859,000                        
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,527 and 5,172
                                                                         177,293,000                       
        current liabilities from discontinued operations
                                                                             451,000                   
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,419 and 5,172, respectively
                                                                          176,396,000                      
        accounts receivable — trade, net of allowance for uncollectible accounts of 419 and 5,172, respectively
                                                                           175,240,000                     
        accounts receivable — trade, net of allowance for uncollectible accounts of 918 and 5,172, respectively
                                                                            159,704,000                    
        accounts receivable — trade, net of allowance for uncollectible accounts of 5,172 and 5,905
                                                                             145,519,000                   
        decommissioning liabilities
                                                                             182,399,000 177,924,000 181,096,000 196,836,000 185,306,000 185,828,000 192,727,000 193,650,000 149,602,000 140,682,000 139,213,000 138,905,000 138,713,000 110,757,000 108,875,000 106,317,000 118,344,000 117,089,000 83,544,000 
        accounts receivable — trade, net of allowance for uncollectible accounts of 4,399 and 5,905, respectively
                                                                              185,519,000                  
        accounts receivable — trade, net of allowance for uncollectible accounts of 273 and 5,905, respectively
                                                                               215,116,000                 
        accounts receivable — trade, net of allowance for uncollectible accounts of 6,203 and 5,904, respectively
                                                                                385,090,000                
        net assets of discontinued operations
                                                                                17,153,000                
        accounts receivable —
                                                                                                
        trade, net of allowance for uncollectible accounts of 4,704 and 2,874, respectively
                                                                                 429,853,000               
        minority interest
                                                                                 296,248,000 275,121,000 267,978,000  80,091,000 73,152,000 68,525,000         
        trade, net of allowance for uncollectible accounts of 4,321 and 2,874, respectively
                                                                                  402,936,000              
        trade, net of allowance for uncollectible accounts of 4,172 and 2,874, respectively
                                                                                   330,815,000             
        short-term investments
                                                                                      10,000,000 19,575,000 285,395,000        
        trade, net of allowance for uncollectible accounts of 2,874 and 982
                                                                                    447,502,000            
        minority interests
                                                                                    263,926,000    59,802,000        
        trade, net of allowance for uncollectible accounts of 1,717 and 982, respectively
                                                                                     371,028,000           
        trade, net of allowance for uncollectible accounts of 1,740 and 982, respectively
                                                                                      311,849,000          
        trade, net of allowance for uncollectible accounts of 407 and 982, respectively
                                                                                       334,186,000         
        trade, net of allowance for uncollectible accounts of 982 and 585
                                                                                        287,875,000        
        unearned compensation
                                                                                            -7,515,000 -6,941,000 -3,471,000 -3,564,000 
        trade, net of allowance for uncollectible accounts of 781 and 585
                                                                                         247,285,000       
        treasury stock
                                                                                         -4,017,000 -3,977,000 -3,900,000 -3,741,000 -3,741,000 -3,741,000 -3,741,000 
        trade, net of allowance for uncollectible accounts of 1,291 and 585
                                                                                          252,561,000      
        trade, net of allowance for uncollectible accounts of 832 and 585
                                                                                           199,242,000     
        commitments and contingencies shareholders’ equity:
                                                                                                
        trade, net of allowance for uncollectible accounts 585 and 7,768
                                                                                            197,046,000    
        other long term liabilities
                                                                                            10,584,000 11,623,000 9,757,000 4,345,000 
        trade, net of allowance for uncollectible accounts of 562 and 7,768
                                                                                             125,733,000   
        trade, net of allowance for uncollectible accounts of 479 and 7,768
                                                                                              99,637,000  
        equity investments in production facilities
                                                                                              153,779,000 135,656,000 
        trade, net of allowance for uncollectible accounts of 439 and 7,768
                                                                                               93,261,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-04-25 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 2014-04-23 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 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 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 
                                                                                            
          cash flows from operating activities:
                                                                                            
          net income
        -13,406,000 8,270,000 22,083,000 -2,598,000 3,072,000 20,121,000 29,514,000    15,560,000       -25,908,000    4,117,000 24,445,000 5,450,000 -13,928,000 7,934,000 31,622,000 16,823,000 1,318,000 -13,747,000 27,121,000       -16,415,000  11,462,000 -10,671,000 -27,823,000                           -859,314,000 61,468,000 91,782,000 75,216,000 121,293,000 83,773,000 58,647,000 56,765,000 163,424,000 57,833,000 69,944,000 56,193,000 56,810,000 43,221,000 26,576,000 25,961,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                            
          depreciation and amortization, excluding amortization of deferred certification and dry dock costs
        33,622,000                                                                                    
          amortization of deferred certification and dry dock costs
        10,242,000                                                                                    
          deferred certification and dry dock costs
        -8,870,000                                                                                    
          amortization of debt discount
        64,000 63,000 60,000 60,000 57,000 57,000 54,000 54,000 53,000                      1,579,000 1,299,000 1,360,000 1,201,000 1,184,000 1,159,000 1,144,000 1,144,000 1,250,000 1,521,000 1,567,000 1,567,000 1,548,000 1,481,000 1,464,000 1,464,000 1,447,000 1,384,000 1,368,000 1,397,000 1,397,000 1,322,000 1,293,000 1,279,000 1,278,000 2,477,000 3,165,000 1,611,000  2,279,000 2,207,000 2,207,000    2,068,000                   
          amortization of debt issuance costs
        535,000 530,000 518,000 513,000 502,000 521,000 501,000 540,000 570,000 645,000 641,000 603,000 596,000 590,000 583,000 571,000 590,000 583,000 1,009,000 777,000 810,000 776,000 782,000 786,000 833,000 848,000 856,000 994,000 902,000 889,000 904,000 864,000 935,000 916,000 912,000 2,968,000 1,358,000 1,358,000 1,303,000 1,292,000 1,301,000 3,837,000                                           
          share-based compensation
        1,363,000 1,627,000 1,635,000 1,655,000 1,651,000 1,742,000 1,835,000 1,978,000 1,711,000 1,745,000 1,596,000 1,594,000 1,575,000 1,821,000 2,058,000 1,900,000 1,672,000 1,906,000 1,882,000 1,997,000 1,904,000 2,174,000 2,149,000 1,986,000 2,259,000 2,490,000 2,478,000 3,782,000 2,719,000 2,356,000 2,547,000 2,522,000 2,500,000 3,264,000 2,432,000 2,409,000 2,772,000 2,772,000 1,511,000 1,484,000                                             
          deferred income taxes
        -586,000 -11,886,000 2,888,000 1,331,000 -400,000 -2,561,000 3,554,000 10,187,000 -574,000 4,592,000 5,959,000 2,287,000 -1,306,000 1,510,000 3,426,000 172,000 -722,000 -4,827,000 -6,726,000 -2,757,000 -892,000 -7,784,000 10,999,000 -581,000 -6,517,000 1,138,000 1,502,000 855,000 -10,000 3,286,000 -4,094,000 -1,730,000 108,000 -51,566,000 -2,939,000 4,605,000 -4,685,000 -4,685,000 21,575,000 3,321,000 -1,116,000 -8,931,000 -100,619,000 51,000 -1,340,000 -1,114,000 -1,574,000 -2,941,000 -5,738,000 33,407,000 33,407,000 -1,026,000 -39,969,000 -726,000 16,784,000 4,871,000 24,297,000 -2,673,000  7,843,000 14,535,000 9,329,000       -59,649,000 79,639,000 -29,387,000 6,323,000 78,800,000 11,682,000 20,485,000 15,992,000 -7,326,000 35,441,000 21,331,000 7,789,000 -7,265,000 23,180,000 12,273,000 14,540,000 
          unrealized foreign currency losses
        -552,000                                                                                    
          changes in operating assets and liabilities:
                                                                                            
          accounts receivable
        75,849,000 55,784,000 -30,872,000 -61,310,000 -1,116,000 995,000 18,362,000 -64,680,000 59,059,000 31,507,000 -59,376,000 -34,167,000 -2,484,000 20,403,000 -35,103,000 -16,071,000 906,000 -7,523,000 -13,251,000 7,083,000 -463,000 26,857,000 9,422,000 -19,323,000 -25,375,000 42,349,000 -14,743,000 -8,072,000 -22,584,000 36,689,000 -1,450,000 -37,080,000 22,761,000 -6,715,000 -11,587,000 -46,252,000 36,130,000 36,130,000 4,909,000 -46,408,000 -12,460,000 31,522,000 49,680,000 15,680,000 -14,089,000 -14,917,000 60,459,000 24,191,000 -35,160,000 -5,527,000 -5,527,000 -5,366,000 21,748,000 -23,416,000 3,714,000 -12,623,000 35,085,000 11,526,000           12,251,000 -62,827,000 -97,384,000 111,726,000 30,111,000 -39,530,000 18,239,000 -14,738,000 -66,769,000 50,870,000 -48,296,000 -3,016,000 -71,814,000 -24,502,000 -15,052,000 4,205,000 
          other current assets
        -1,038,000 17,500,000 -757,000 16,692,000 -16,835,000 14,917,000 -32,798,000 -4,176,000 23,196,000 -5,823,000 -4,585,000 -10,228,000 -1,961,000 27,481,000 -9,439,000 -9,915,000 -534,000 6,369,000 587,000 6,656,000 9,361,000 -628,000 -4,285,000 -18,276,000 -5,475,000 13,168,000 15,172,000 10,172,000 -13,129,000 -4,242,000 4,000,000 -5,714,000 -3,948,000 -3,535,000 -1,188,000 -6,143,000 -4,814,000 -4,814,000 8,467,000 -7,798,000 -550,000 -2,505,000 1,346,000 -5,294,000 -5,939,000 17,843,000 12,927,000 -17,390,000 5,124,000 -7,122,000 -7,122,000 6,373,000 -7,575,000 2,902,000 12,577,000 -920,000 -21,214,000 15,360,000   -6,157,000 18,869,000    30,780,000   143,000 -8,220,000 8,212,000 -5,071,000 15,254,000 -38,167,000 83,000 10,000 29,578,000 -17,855,000 -3,456,000 1,702,000 15,865,000 -24,088,000 -5,732,000 6,958,000 
          income tax receivable
        -11,071,000                1,230,000   -1,120,000 6,256,000  -7,264,000 -2,045,000 -17,033,000        -2,853,000  4,471,000 -581,000 -1,148,000 -1,148,000                                               
          accounts payable and accrued liabilities
        -23,835,000 -21,077,000 -23,974,000 22,100,000 4,518,000 64,010,000 1,981,000 -24,661,000 -50,489,000 854,000 -24,586,000 73,764,000 -18,036,000 -37,459,000 28,512,000 23,400,000 -4,646,000 18,068,000 9,749,000 23,709,000 -4,881,000 -21,212,000 -3,177,000 19,676,000 15,543,000 -17,128,000 -14,862,000 17,124,000 -17,027,000 -7,320,000 -2,234,000 21,458,000 -12,256,000 2,706,000 3,303,000 20,675,000 6,697,000 6,697,000 1,164,000 6,185,000 13,129,000 -21,108,000 -11,772,000 -16,727,000 13,400,000 -48,718,000 -13,242,000 10,914,000 29,262,000 -14,093,000 -14,093,000 14,268,000 -11,232,000 13,684,000 -48,765,000 44,544,000 -2,293,000 -59,079,000           -47,378,000 -4,292,000 41,184,000 -116,073,000 -69,376,000 14,086,000 50,389,000 -46,734,000 64,656,000 1,110,000 -11,176,000 -15,039,000 12,971,000 34,343,000 26,171,000 -8,860,000 
          other
        -531,000 -2,569,000 -817,000 -101,000 3,640,000 -2,634,000 505,000 3,227,000 -193,000 1,709,000 44,351,000 -39,963,000 3,133,000 32,888,000 -11,922,000 -10,764,000 -9,969,000 -3,013,000 -1,506,000 -5,163,000 -2,791,000 1,408,000 962,000 -786,000 -16,105,000 2,940,000 6,430,000 -2,815,000 -13,298,000                                         -153,000               
          net cash from operating activities
        61,786,000 113,163,000 24,277,000 -17,133,000 16,442,000 77,977,000 55,731,000 -12,164,000 64,484,000 94,737,000 31,611,000 31,501,000 -5,392,000 49,712,000 24,650,000 -5,841,000 -17,413,000 18,865,000 28,712,000 52,671,000 39,869,000 40,172,000 52,586,000 23,264,000 -17,222,000 79,792,000 57,316,000 66,807,000 -34,246,000 45,917,000 63,161,000 46,620,000 41,046,000 20,315,000 15,722,000 -13,248,000 28,849,000 28,849,000 23,270,000 -9,445,000 24,082,000 807,000 71,278,000 36,494,000 5,576,000 -2,543,000 57,924,000 162,056,000 90,668,000 48,837,000 48,837,000 54,552,000 48,299,000 10,177,000 -8,167,000 87,132,000 87,215,000 133,805,000 -467,940,000 100,558,000 165,508,000 85,065,000    18,437,000   98,633,000 148,757,000 64,763,000 125,566,000 135,798,000 156,837,000 186,745,000 -63,054,000 172,450,000 192,261,000 61,795,000 87,530,000 59,437,000 67,501,000 48,466,000 67,028,000 
          cash flows from investing activities:
                                                                                            
          capital expenditures
        -2,811,000 -5,696,000 -1,688,000 -4,470,000 -4,488,000 -12,523,000 -3,186,000 -3,989,000 -3,605,000 -3,423,000 -8,245,000 -1,255,000 -6,665,000 -28,514,000 -2,803,000 -1,564,000 -623,000 -936,000 -614,000 -5,443,000 -1,329,000 -1,051,000 -1,614,000 -5,190,000 -12,389,000 -95,218,000 -18,178,000 -15,803,000 -11,655,000 -81,652,000 -13,462,000 -20,755,000 -21,214,000 -99,699,000 -37,032,000 -46,396,000 -48,000,000 -48,000,000 -107,134,000 -21,790,000 -34,694,000 -22,869,000 -39,788,000 -47,651,000 -180,348,000 -52,524,000 -132,384,000 -111,527,000 -55,010,000 -37,991,000 -37,991,000 -48,491,000 -173,552,000 -65,928,000 -36,455,000 -155,237,000 -48,363,000 -101,744,000      -126,727,000 -174,003,000 -313,250,000 -241,550,000 -258,943,000 -253,171,000 -249,583,000 -181,899,000 -215,705,000 -127,592,000 -64,333,000 -61,461,000 -42,348,000 -104,794,000 -189,873,000 -24,472,000 
          free cash flows
        58,975,000 107,467,000 22,589,000 -21,603,000 11,954,000 65,454,000 52,545,000 -16,153,000 60,879,000 91,314,000 23,366,000 30,246,000 -12,057,000 21,198,000 21,847,000 -7,405,000 -18,036,000 17,929,000 28,098,000 47,228,000 38,540,000 39,121,000 50,972,000 18,074,000 -29,611,000 -15,426,000 39,138,000 51,004,000 -45,901,000 -35,735,000 49,699,000 25,865,000 19,832,000 -79,384,000 -21,310,000 -59,644,000 -19,151,000 -19,151,000 -83,864,000 -31,235,000 -10,612,000 -22,062,000 31,490,000 -11,157,000 -174,772,000 -55,067,000 -74,460,000 50,529,000 35,658,000 10,846,000 10,846,000 6,061,000 -125,253,000 -55,751,000 -44,622,000 -68,105,000 38,852,000 32,061,000 -467,940,000 100,558,000 165,508,000 85,065,000    18,437,000   -28,094,000 -25,246,000 -248,487,000 -115,984,000 -123,145,000 -96,334,000 -62,838,000 -244,953,000 -43,255,000 64,669,000 -2,538,000 26,069,000 17,089,000 -37,293,000 -141,407,000 42,556,000 
          net cash from investing activities
        -2,811,000 -5,696,000 -1,688,000 -4,470,000 -4,488,000 -12,523,000 -3,086,000 -3,989,000 -3,242,000 -2,859,000 -8,245,000 -1,255,000 -6,300,000 -28,514,000 -115,428,000 6,276,000 -623,000 -936,000 -574,000 -5,432,000 -1,329,000 -1,026,000 -1,174,000 -4,692,000 -12,389,000 -95,218,000 -18,153,000 -17,058,000 -11,956,000 -80,608,000 -13,437,000 -20,755,000 -21,214,000 -99,699,000 -37,032,000 -36,396,000 -48,000,000 -48,000,000 -104,844,000 -21,790,000 -34,694,000 14,218,000 -28,549,000 -45,640,000 -170,385,000 -51,145,000 -127,014,000 -111,335,000 -52,253,000 -44,910,000 -44,910,000 -45,306,000 -91,205,000 44,839,000 -34,405,000 -136,570,000 -50,523,000 -94,879,000     4,272,000 -6,917,000   -26,559,000 224,717,000 -62,807,000 -177,620,000 -191,700,000 -125,847,000 -323,934,000 -254,299,000 -239,216,000 77,795,000 -241,168,000 -926,980,000 -60,149,000 -151,633,000 -118,151,000 -113,619,000 -209,776,000 -88,379,000 
          cash flows from financing activities:
                                                                                            
          repayment of marad debt
        -4,763,000 -4,649,000 -4,537,000 -4,427,000 -4,322,000 -4,217,000 -4,116,000 -4,017,000 -3,920,000 -3,826,000 -3,734,000 -3,644,000 -3,556,000 -3,471,000 -3,387,000 -3,306,000 -3,226,000 -3,149,000 -3,073,000 -3,073,000 -2,999,000 -2,927,000  -2,856,000                                         
          payments related to tax withholding for share-based compensation
        -71,000 -138,000 -7,266,000 -228,000 -4,003,000 -372,000 -821,000 -564,000 -377,000 -1,525,000 -123,000 -1,878,000 -103,000 -11,000 -5,150,000 -335,000 -16,000 -503,000 -826,000 -349,000 -1,058,000 -736,000 -1,306,000 -1,306,000                                               
          proceeds from issuance of espp shares
        491,000 508,000 509,000 728,000 741,000 618,000 500,000 392,000 351,000 239,000 222,000 180,000 173,000 211,000 226,000 217,000 147,000 144,000 331,000 181,000 145,000 136,000 174,000 173,000 159,000 153,000 135,000 144,000 144,000 108,000 600,000 972,000 1,213,000 1,299,000 1,291,000 990,000 942,000 942,000                                 
          net cash from financing activities
        -4,343,000 -138,000 -4,141,000 -29,705,000 -11,075,000 -19,736,000 -4,048,000 -32,222,000 -69,304,000 76,484,000 -36,305,000 -5,646,000 -9,424,000 -407,000 -4,118,000 -34,911,000 -5,408,000 -338,000 -32,857,000 -2,917,000 -59,885,000 -10,578,000 -13,851,000 -9,758,000 -18,391,000 -10,180,000 -13,169,000 -8,414,000 -14,055,000 -10,212,000 -13,011,000 -10,189,000 -12,774,000 -10,938,000 -13,203,000 -98,259,000 199,882,000 199,882,000 -42,741,000 21,526,000 15,831,000 -20,140,000 -16,521,000 -18,575,000 245,726,000 -6,005,000 -4,089,000 -10,470,000 -4,201,000 -11,311,000 -11,311,000 -9,798,000 13,904,000 -166,969,000 -324,558,000 -15,435,000 -8,993,000 36,109,000      7,496,000    112,698,000 152,964,000 42,885,000 -26,420,000 86,787,000 228,352,000 51,143,000 -35,066,000 -37,984,000 146,545,000 822,957,000 -1,958,000 10,716,000 -519,000 -3,189,000 -872,000 292,646,000 
          effect of exchange rate changes on cash and cash equivalents
        1,444,000 -166,000 -158,000 1,064,000 1,078,000 -1,808,000 457,000 -408,000 -280,000                  -796,000 -216,000 821,000 -730,000 -111,000 -1,171,000 335,000 25,000 967,000 612,000 348,000 348,000 -1,144,000 -375,000 -1,213,000 -893,000 -952,000 -3,405,000 3,843,000 -1,497,000 3,142,000 4,821,000 -2,836,000 -737,000 -737,000 -1,429,000 -4,344,000 -170,000 3,218,000 -836,000 1,355,000 -1,051,000        398,000   -938,000 -1,409,000 386,000 58,000 -1,097,000 365,000 793,000 113,000 652,000 1,269,000 757,000 140,000 -184,000 115,000 -396,000 -170,000 
          net increase in cash and cash equivalents
        56,076,000    1,957,000                      25,198,000 41,119,000 -59,436,000 -45,633,000 36,602,000 14,505,000 7,393,000 -90,297,000 -33,546,000 -147,291,000 181,079,000 181,079,000     25,256,000 -31,126,000   -70,037,000 45,072,000 31,378,000 -8,121,000 -8,121,000 -1,981,000 -33,346,000 -112,123,000 188,550,000 -65,709,000 29,054,000 73,984,000   -26,342,000 49,446,000 72,647,000 52,032,000   -143,814,000 157,036,000    86,564,000 39,119,000    78,479,000 89,507,000 445,000 -53,247,000 -59,417,000 -49,192,000 -162,578,000 271,125,000 
          cash and cash equivalents:
                                                                                            
          balance, beginning of year
        445,196,000 368,030,000 332,191,000 189,111,000 327,127,000 291,320,000 262,561,000 279,459,000 266,592,000 356,647,000 356,647,000 494,192,000 476,492,000 478,200,000 478,200,000 437,100,000 546,465,000 -14,651,000 391,085,000 -11,931,000 270,673,000 148,704,498,221,222,000 89,555,000 206,264,000 91,080,000 91,142,000 
          balance, end of period
        501,272,000  18,290,000 -50,244,000 369,987,000  49,054,000 -48,783,000 323,849,000  -14,281,000 13,469,000 169,182,000  -98,326,000 -39,578,000 302,678,000  -6,362,000 44,812,000 270,381,000  38,840,000 8,769,000 211,725,000  25,198,000 41,119,000 220,023,000  36,602,000 14,505,000 273,985,000  -33,546,000 -147,291,000 537,726,000 537,726,000  -10,084,000 4,006,000 488,184,000  -31,126,000 84,760,000 415,302,000  45,072,000 31,378,000 470,079,000 470,079,000 -1,981,000 -33,346,000 -112,123,000 625,650,000 -65,709,000 29,054,000 620,449,000  -38,834,000 -26,342,000 440,531,000  52,032,000 39,577,000 212,178,000  157,036,000  12,613,000 -152,971,000 176,119,000  -45,954,000 -86,744,000 183,134,000  89,507,000 445,000 37,833,000  -49,192,000 -162,578,000 362,267,000 
          long-lived asset impairment
                                                                                            
          payment of earnout consideration
                                                                                            
          change in fair value of contingent consideration
                 10,927,000 16,499,000 10,828,000 3,992,000 13,390,000                                                                       
          loss on disposition of assets
             429,000 -100,000 150,000         -15,000              39,000 39,000                                               
          losses related to convertible senior notes
             20,922,000                                                                            
          income tax receivable, net of income tax payable
         5,663,000 11,554,000 -24,027,000 -2,702,000    -2,510,000   -1,511,000 -2,419,000                           11,733,000                                             
          proceeds from sale of assets
                365,000     40,000   25,000 440,000   25,000 2,500,000 25,000       2,290,000 10,887,000 10,092,000   2,500,000 11,074,000 11,074,000 80,804,000                                
          proceeds from insurance recoveries
             363,000                                                                            
          proceeds from senior notes, net of discount
                                                                                            
          payments related to convertible senior notes
             -21,000 -60,699,000 -230,732,000                                                                           
          proceeds from settlement of capped calls
             4,381,000                                                                            
          debt issuance costs
             -77,000 -362,000 -107,000 -984,000 -6,581,000 -136,000   -30,000 -323,000 -91,000 -136,000 -128,000 -1,166,000 -43,000 -672,000 -6,765,000 -98,000 -212,000 -42,000 -59,000 -1,372,000 -113,000 -11,000 -82,000 -3,774,000 -23,000 -29,000 -3,611,000 -54,000 -54,000 -3,425,000 -19,000 -1,211,000                                           
          repurchases of common stock
           -19,431,000 -6,012,000 -4,177,000 -1,929,000 -5,076,000 -4,983,000                             -173,000 -65,000 -30,000 -1,026,000 156,000 -1,885,000 -1,204,000 -5,449,000 -5,449,000 -5,694,000 -4,089,000 -1,473,000 -6,519,000 -991,000                           
          balance, end of year
                                                                                            
          depreciation and amortization, excluding amortization of deferred recertification and dry dock costs
          33,828,000 33,950,000 33,248,000                                                                                
          amortization of deferred recertification and dry dock costs
          21,833,000 11,439,000 9,234,000                                                                                
          deferred recertification and dry dock costs
          -14,345,000 -16,076,000 -17,855,000 -6,148,000 -8,909,000 -10,736,000 -9,594,000 -3,306,000 -17,881,000 -24,181,000 -17,154,000                                                                        
          unrealized foreign currency gains
                                                                                            
          net decrease in cash and cash equivalents
          18,290,000    49,054,000 -48,783,000 -8,342,000                                 -6,008,000    -61,190,000                        12,613,000     -86,744,000 -23,130,000         
          unrealized foreign currency loss
           -761,000 -572,000 1,836,000 -3,327,000 -3,000 2,117,000 -3,277,000 8,772,000 6,148,000 -3,333,000 -16,778,000 25,796,000 9,975,000 2,603,000 211,000 3,407,000 -415,000 -951,000 -5,556,000 -7,542,000 1,196,000 9,237,000                                                            
          equity in earnings of investment
                      -78,000                                                                      
          alliance acquisition, net of cash acquired
                                                                                           
          distribution from equity investment
                                                                                          
          depreciation and amortization
              42,904,000 43,471,000 46,353,000 44,103,000 43,249,000 39,227,000 37,537,000 40,096,000 35,944,000 33,158,000 33,488,000 35,288,000 36,719,000 34,941,000 34,566,000 34,157,000 33,985,000 33,969,000 31,598,000 28,300,000 27,908,000 28,003,000 28,509,000 27,183,000 27,680,000 27,877,000 27,782,000 26,075,000 26,293,000 25,519,000 30,858,000 30,858,000 29,341,000 27,607,000 25,674,000 31,565,000 34,068,000 32,805,000 27,439,000 26,089,000 28,071,000 28,421,000 28,127,000 24,726,000 24,726,000 26,993,000 21,850,000 25,312,000 24,380,000 63,666,000 62,468,000 72,492,000  72,370,000 75,027,000 92,143,000    60,827,000      85,133,000 102,049,000 86,408,000 73,577,000 69,885,000 62,196,000 63,787,000 34,438,000 33,226,000 26,758,000 28,746,000 28,456,000 26,723,000 
          income tax payable
                                   -752,000 -2,370,000 -1,999,000            -2,815,000    -5,322,000 -16,352,000   -26,106,000 -26,106,000 -18,358,000 18,648,000 -36,171,000 -20,283,000 -13,674,000 -22,150,000 23,233,000           -14,312,000 -106,403,000 70,799,000 36,343,000             
          payment of earn-out consideration
                                                                                           
          income tax payable, net of income tax receivable
                 2,100,000    -1,867,000 972,000           -1,313,000                  -2,680,000                                         
          net loss
                -26,287,000    -5,165,000  -18,763,000 -29,699,000 -42,031,000   -13,683,000 -3,050,000            -2,560,000  2,290,000 -6,403,000 -16,415,000                                                
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                            
          equity in losses of investment
                             -249,000 11,000 2,000 20,000 -1,521,000 13,000 29,000 40,000 3,540,000 107,000 135,000 136,000  153,000 152,000 152,000 152,000                                               
          loss on extinguishment of long-term debt
                         12,000         2,000 76,000 1,105,000                                                    
          repayment of term loan
                         -28,076,000 -875,000 -875,000      -875,000 -32,756,000 -936,000  -936,000 -468,000 -61,468,000 -1,250,000 -1,250,000 -185,849,000 -6,409,000 -6,409,000 -32,242,000 -15,500,000 -7,500,000 -7,500,000  -7,500,000            -7,835,000 -2,000,000 -750,000                           
          repayment of nordea q5000 loan
                         -53,572,000 -8,928,000 -8,928,000 -8,929,000 -8,929,000 -8,928,000 -8,929,000 -8,928,000 -8,929,000 -8,928,000 -8,929,000 -8,928,000 -8,929,000 -8,929,000 -8,928,000 -8,929,000 -8,929,000 -8,929,000 -8,928,000 -8,928,000 -8,929,000 -8,929,000 -8,928,000                                          
          acquisition of redeemable noncontrolling interests
                         -87,000                                                                  
          effect of exchange rate changes on cash and cash equivalents and restricted cash
                 -4,541,000 -1,342,000 -11,131,000 1,187,000 3,546,000 -3,430,000 -5,102,000 -1,005,000 705,000 -1,643,000 490,000 406,000 3,418,000 1,279,000 -45,000 -2,834,000                                                            
          net increase in cash and cash equivalents and restricted cash
                     24,337,000 -98,326,000   18,296,000 -6,362,000   31,986,000                                                               
          cash and cash equivalents and restricted cash:
                                                                                            
          gain on disposition of assets
                  -367,000         24,000 -440,000                                                              
          net decrease in cash and cash equivalents and restricted cash
                  -14,281,000 13,469,000 -19,929,000    -24,449,000    -20,939,000   8,769,000 -50,836,000                                                            
          repayment of convertible senior notes
                                                                                         
          goodwill impairment
                             6,689,000                                                            
          amortization of debt discounts
                             1,870,000 1,778,000 1,683,000 1,633,000 1,619,000 1,572,000 1,557,000 1,513,000                                                        
          unrealized gain on derivative contracts
                             -601,000 -1,032,000 -611,000 -911,000 -829,000  -735,000 -20,000 -1,534,000                                                    
          proceeds from convertible senior notes
                                                                                           
          capped call transactions
                                                                                           
          stl acquisition
                                                                                          
          proceeds from term loan
                                                                                         
          changes in operating assets and liabilities, net of acquisitions:
                                                                                            
          repayment of term loans
                             -875,000 -875,000 -875,000 -875,000                     -3,750,000 -3,750,000 -3,750,000 -3,750,000 -3,750,000 -3,750,000 -3,750,000 -3,750,000 -72,299,000 -294,882,000                              
          issuance of convertible senior notes
                                                                                            
          redemption of convertible senior notes
                                                                                            
          proceeds from term loans
                                                                                           
          net proceeds from issuance of common stock
                                         -5,000 219,509,000 219,509,000 2,009,000 55,765,000                                             
          issuance of convertible senior notes due 2023
                                      125,000,000                                                    
          repurchase of convertible senior notes due 2032
                                      -3,000 -884,000 -59,478,000      -125,001,000 -6,920,000                                             
          non-cash goodwill impairment
                                                                                            
          unrealized losses and ineffectiveness on derivative contracts
                                                                                            
          other non-current
                                     -2,180,000 3,472,000 17,741,000 7,510,000 -5,597,000 -7,793,000 -10,343,000 -22,167,000 -22,167,000 -16,875,000                                              
          distributions from equity investment
                                                                                            
          proceeds from sale of equity investment
                                              25,000,000                                           
          repurchase of convertible senior notes
                                                                                            
          income tax payable / receivable
                                                                                            
          non-cash impairment charges
                                                                                            
          equity in losses of investments
                                              1,800,000 122,000 121,000 123,000                                           
          loss on early extinguishment of long-term debt
                                                                                          
          distributions from equity investments
                                                   2,011,000 2,463,000 1,379,000 2,870,000 192,000 2,757,000 2,092,000 2,092,000 3,185,000 1,543,000 2,517,000 2,050,000   5,943,000  1,844,000 1,113,000 480,000    965,000   6,950,000 -4,482,000 3,123,000 5,995,000    4,896,000    635,000 1,878,000    
          issuance of convertible senior notes due 2022
                                                                                            
          proceeds from nordea q5000 loan
                                                                                           
          unrealized gain and ineffectiveness on derivative contracts
                                          -1,809,000 -1,410,000 -1,072,000 -1,072,000                  9,711,000                             
          net income, including noncontrolling interests
                                                  -403,867,000 9,880,000 -2,635,000 19,642,000 7,960,000 75,586,000 57,782,000 54,222,000 54,222,000 37,265,000 45,392,000 28,000,000 2,392,000 15,675,000 45,440,000 66,526,000 -9,249,000 46,826,000 42,109,000 26,635,000 -49,713,000 26,136,000   1,580,737,639,572,829,000 4,780,000                 
          adjustments to reconcile net income, including noncontrolling interests, to net cash from operating activities:
                                                                                            
          excess tax benefit from share-based compensation
                                                                                            
          loss on repurchase of long-term debt
                                                                                            
          oil and gas asset retirement costs
                                                      -68,000 -99,000 -565,000 -292,000 -292,000 -448,000 -3,936,000 -5,710,000 -240,000 -39,647,000 -36,619,000 -18,357,000                           
          distributions from equity investments, net of earnings
                                              1,200,000                                           
          acquisition of noncontrolling interests
                                                      -20,085,000 -20,085,000                                  
          distributions to noncontrolling interests
                                                      -1,018,000 -1,018,000                                  
          gain on repurchase of long-term debt
                                               -244,000                                             
          unrealized loss and ineffectiveness on derivative contracts
                                               -3,135,000 -1,798,000 -4,349,000  281,000 -240,000 2,181,000  1,000 68,000 68,000   -331,000 969,000   2,453,000                           
          repurchase of common stock
                                                                     -21,000 -2,532,000    -9,850,000 -13,000 -689,000 86,000 -3,309,000 -83,000 -5,852,000 -13,000 -3,956,000 -50,000,000 -41,000 -76,000 -149,000     
          other noncurrent
                                                -3,930,000 -1,684,000  -5,114,000 -11,647,000 -2,403,000 -21,824,000 -11,262,000 4,261,000 -2,757,000 -2,757,000 -8,463,000 6,556,000 -112,000 -7,005,000 -8,398,000 -8,776,000 -2,568,000    692,000       20,163,000 862,000 -28,968,000 -32,210,000 -27,760,000 -2,161,000 -23,361,000 -19,605,000 -6,269,000 -14,436,000 -2,887,000 -6,117,000 23,080,000 -13,023,000 -25,509,000 -2,028,000 
          stock-based compensation expense
                                                 1,408,000 -1,398,000 4,426,000 1,761,000 1,754,000 -2,578,000 1,956,000 1,944,000 1,811,000 1,811,000 1,010,000 1,824,000 2,120,000 3,353,000 1,903,000                             
          excess tax benefit from stock-based compensation
                                                               494,000 317,000 340,000 -1,818,000 -391,000 227,000 969,000 -1,569,000 -213,000 -4,005,000 1,842,000 2,931,000 -1,282,000 -193,000 1,425,000 -1,938,000 -629,000 -552,000 404,000 -245,000 -187,000 5,182,000 -313,000 -791,000 -6,738,000     
          income from discontinued operations, net of tax
                                                                                            
          amortization of deferred financing costs
                                                  1,547,000 1,521,000 1,378,000 1,218,000 1,217,000 1,218,000 1,217,000 1,218,000 1,218,000 1,096,000 1,267,000 1,352,000 1,472,000 1,698,000 937,000 2,355,000  2,420,000 2,796,000 1,981,000    1,726,000   1,370,000 1,334,000 1,550,000 953,000 4,190,000 793,000 794,000 728,000 695,000 613,000 680,000 289,000 287,000 289,000 290,000 260,000 
          loss on early extinguishment of debt
                                                           8,572,000 646,000 2,882,000 17,127,000                           
          net cash from discontinued operations
                                                           -30,503,000                              
          early extinguishment of senior unsecured notes
                                                                -209,500,000                           
          borrowings under revolving credit facility
                                                           45,044,000 2,573,000 100,000,000                           
          repayment of revolving credit facility
                                                           -123,144,000 -24,473,000                              
          repurchase of convertible senior notes due 2025
                                                           -3,487,000 -143,945,000                           
          repayment of marad borrowings
                                                     -2,788,000 -2,721,000 -2,655,000 -2,655,000 -2,591,000 -2,529,000 -2,468,000 -2,409,000           -2,032,000 -1,982,000 -1,935,000 -1,888,000 -1,843,000 -1,798,000 -2,177,000 -2,144,000 
          deferred financing costs
                                                  -126,000 -78,000   -443,000     -6,000 -16,000 -10,891,000 -41,000 -1,281,000 -148,000 -6,337,000     -83,000 -72,000    -22,000 -85,000 -2,000 -1,300,000 -409,000 -16,934,000 -143,000 -52,000 -36,000 -696,000 -9,229,000 -1,908,000 -6,000 -713,000 -2,952,000 -443,000 -7,570,000 
          exercise of stock options, net and other
                                                           639,000 281,000 -360,000 174,000 892,000 -9,000 381,000                           
          excess tax from stock-based compensation
                                                   184,000 174,000 -260,000 52,000 262,000 237,000 -619,000 -619,000 -51,000 215,000 234,000 -617,000                              
          proceeds from nordea term loan
                                                                                            
          asset impairment charges
                                                                                            
          issuance of convertible senior notes due 2032
                                                               200,000,000                           
          (gain) loss on disposition of assets
                                                                                            
          unrealized (gain) loss and ineffectiveness on derivative contracts
                                                           -63,000                                 
          income from discontinued operations
                                                           -44,000 29,000 -1,058,000                              
          adjustments to reconcile net income, including noncontrolling interests to net cash from operating activities:
                                                                                            
          gain on sale of assets
                                                         -11,496,000 -11,496,000                  6,422,000 23,000 -18,803,000 -61,113,000  -20,702,000    -2,287,000 -16,000 -267,000   -925,000 
          gain on investment in cal dive common stock
                                                                                            
          (gain) loss on sale of assets
                                                                                       -151,000    
          other than temporary loss on equity investments
                                                                                            
          asset impairment charge
                                                                              305,000 16,723,000 73,046,000     -92,000 20,746,000   
          distributions to noncontrolling interest
                                                            -1,026,000 -996,000 -1,037,000                              
          loss on sale of assets
                                                               12,933,000 236,000 1,478,000                           
          asset impairment charge and dry hole expense
                                                               4,422,000 14,536,000 143,000  3,384,000      11,292,000                   
          proceeds from sale of cal dive common stock
                                                                  3,588,000     221,512,000                 
          decrease in restricted cash
                                                               38,000 1,738,000 922,000  -160,000 250,000 613,000                 -2,539,000 -3,038,000    2,423,000 
          proceeds from term loan a
                                                               100,000,000                           
          distributions (investments) from equity investments
                                                                                            
          extinguishment of senior unsecured notes
                                                                                            
          adjustments to reconcile net income, including noncontrolling interests to net cash from operating activities
                                                                                            
          stock compensation expense
                                                                 1,838,000  1,897,000 1,985,000 2,953,000    2,488,000   3,479,000 4,381,000 5,473,000 8,079,000 6,288,000 3,542,000 3,728,000 3,744,000 3,114,000 2,434,000 2,251,000 1,565,000     
          equity in earnings of affiliates
                                                                      23,577,000 -27,870,000    -6,081,000                 
          other adjustments
                                                                      23,413,000 53,187,000   2,663,316,345,349,187,000 -179,078,000                 
          investments in equity investments
                                                                            -138,000 -501,000 -207,000 -1,327,000 -867,000 -4,971,000 -10,294,000         
          borrowings on revolvers
                                                                                            
          repayments on revolvers
                                                                                            
          repayments of debt
                                                                      -1,081,000 -1,082,000    -1,082,000                 
          loan notes repayment
                                                                                            
          preferred stock dividends paid
                                                                           -125,000 -550,000 -881,000 -880,000 -881,000 -881,000 -945,000 -945,000 -945,000 -945,000 -805,000 -804,000 -1,059,000 -550,000 -550,000 -550,000 -550,000 
          exercise of stock options
                                                                  346,000 1,072,000 600,000     140,000  1,000 1,817,000 321,000 611,000 155,000 426,000 376,000 111,000 255,000 791,000 7,729,000 1,480,000 383,000 813,000 6,050,000 
          intercompany financing
                                                                      73,523,000 11,233,000    125,023,000                 
          net cash from (used in) financing activities
                                                                                            
          loss on early extinguishment of senior unsecured notes
                                                                                            
          loss on sale or acquisition of assets
                                                                                            
          unrealized loss on derivative contracts
                                                                         3,001,000                   
          insurance recovery for capital items
                                                                                            
          proceeds from sales of property
                                                                            43,969,000 1,018,000 119,096,000 110,147,000 73,730,000 4,000 4,722,000 -383,000  15,045,000 15,251,000 1,531,000   2,150,000 
          borrowing under revolving credit facility
                                                                                           
          repayment of helix term loan
                                                                                            
          repurchases of common stock and preferred dividends paid
                                                                                            
          (gain) loss on sale or acquisition of assets
                                                                                            
          unrealized (gain) loss on derivative contracts
                                                                                            
          gain on sale or acquisition of assets
                                                                                            
          cash flow from operating activities:
                                                                                            
          equity in earnings of unconsolidated affiliates
                                                                                            
          acquisition of businesses, net of cash acquired
                                                                                -137,296,000 -10,066,000 -57,000 -79,000 -15,236,000 -794,533,000 -247,000 -77,927,000     
          proceeds from insurance reimbursement
                                                                                            
          cash from continuing operations
                                                                       51,453,000                     
          cash from discontinued operations
                                                                                            
          net cash from operating
                                                                                            
          activities
                                                                       51,453,000                     
          insurance recovery
                                                                                           
          preferred stock dividends paid and other
                                                                       162,000                     
          equity in earnings of investments, net of distributions
                                                                               -19,000     2,956,000 -1,897,000 -135,000 -2,803,000     
          loss from discontinued operations
                                                                         27,000                   
          cash from operating activities
                                                                         18,464,000  -180,379,000                 
          repayments on helix revolver
                                                                            -245,500,000 -259,500,000 -185,000,000             
          borrowings on cdi revolver
                                                                            28,600,000               
          repayments on cdi term note
                                                                               -40,000,000             
          increases in restricted cash
                                                                                            
          net cash from ( used in) investing activities
                                                                                            
          equity in losses of unconsolidated
                                                                                            
          affiliates
                                                                                            
          net cash from
                                                                                            
          operating activities
                                                                           -180,379,000                 
          cash from investing activities
                                                                           224,717,000                 
          borrowings on revolver
                                                                                            
          repayments on revolver
                                                                                           
          adjustments to reconcile net income to net cash from operating activities —
                                                                                            
          goodwill and other indefinite lived intangible impairments
                                                                                            
          exploratory drilling and related expenditure
                                                                                            
          equity in (earnings) losses of otsl, inclusive of impairment charge
                                                                                            
          hedge ineffectiveness
                                                                            -5,714,000                
          gain on subsidiary equity transaction
                                                                                            
          minority interest
                                                                            19,320,000 19,240,000 7,076,000 237,000 7,755,000 10,195,000 3,119,000 8,219,000         
          (purchases) sale of short-term investments
                                                                                            
          increase in restricted cash
                                                                               -232,000 -278,000 -283,000 -285,000 -266,000 14,738,000    -2,652,000    
          proceeds from insurance
                                                                                            
          proceeds from sale of subsidiary stock
                                                                                            
          borrowings under helix term loan
                                                                                            
          borrowings on helix revolver
                                                                            174,500,000 305,500,000 223,000,000 318,500,000             
          borrowings on senior unsecured notes
                                                                                            
          repayments on cdi revolver
                                                                            -38,100,000               
          borrowings on cdi term loan
                                                                                            
          repayments on cdi term loan
                                                                                            
          borrowing under loan notes
                                                                                            
          capital lease payments
                                                                               -637,000 -633,000 -627,000 -622,000 -643,000 -693,000 -752,000 -739,000 -736,000 -729,000 -692,000 -702,000 
          depreciation, depletion and amortization
                                                                             77,758,000               
          dry hole expense
                                                                               -52,000 10,143,000 50,000 -10,000 126,000 720,000        
          equity in losses of investments, inclusive of impairment charge
                                                                             -4,000               
          sale of short-term investments
                                                                                 10,000,000 9,575,000 265,820,000         
          repayment of helix term notes
                                                                             -1,082,000 -1,081,000 -1,082,000             
          repayments on cdi term notes
                                                                                           
          margin deposits
                                                                                            
          borrowings under helix term notes
                                                                                            
          borrowings on unsecured senior debt
                                                                                            
          borrowings on convertible senior notes
                                                                                        300,000,000 
          borrowings under marad loan facility
                                                                                           
          borrowings on cdi term note
                                                                                            
          redemption of stock in subsidiary
                                                                                        -2,438,000 
          equity in losses of otsl, inclusive of impairment charge
                                                                                            
          income taxes payable
                                                                                 46,488,000 -24,785,000 -137,259,000         
          distributions from equity investments, net of equity in earnings of investments
                                                                                 84,000           
          repayment of senior credit facilities
                                                                                 -2,100,000 -2,100,000 -2,100,000         
          repayment of cal dive international, inc. revolving credit facility
                                                                                 -23,000,000 -32,000,000 -29,000,000         
          borrowings under revolving credit facilities
                                                                                            
          adjustments to reconcile net income to net cash from operating activities
                                                                                            
          proceeds from (payments on) sales of property
                                                                                        1,405,000    
          borrowings under credit facilities
                                                                                            
          repayment of credit facilities
                                                                                            
          sale of convertible preferred stock, net of transaction costs
                                                                                            
          repayment on line of credit
                                                                                            
          repayments of term loan borrowings
                                                                                            
          investments in production facilities & otsl
                                                                                            
          affiliate loan to otsl
                                                                                            
          borrowings under senior credit facilities
                                                                                            
          investments in production facilities
                                                                                      -7,646,000 -11,373,000 -10,574,000 -4,922,000 -17,237,000 -78,327,000 
          cumulative effect of change in accounting principle
                                                                                            
          equity in (earnings) losses of investments, net of distributions
                                                                                            
          amortization of unearned compensation
                                                                                        673,000 336,000 203,000 194,000 
          tax benefit of stock option exercises
                                                                                            
          repayments on line of credit
                                                                                            
          borrowings on term loan
                                                                                            
          borrowings on capital leases
                                                                                            
          investments in otsl
                                                                                            
          equity in (earnings) losses of production facilities investments, net of distributions
                                                                                            
          distributions from production facilities investments
                                                                                          -684,000 9,847,000 
          decrease (increase) in restricted cash