7Baggers

Oceaneering International, Inc
(NYSE:OII) 

OII stock logo

Oceaneering International, Inc. provides engineered services and products to the offshore oil and gas, defense, aerospace, and commercial theme park industries worldwide. The company's Subsea Robotics segment provides remotely operated vehicles (ROVs) to customers in the energy industry for drilling...

Founded: 1964
Full Time Employees: 9,100
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 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2003-12-31 2003-09-30 2003-03-31 2002-12-31 
                                                                                                
      revenue
    692,429,000 668,574,000 742,898,000 698,161,000 674,523,000 713,450,000 679,811,000 668,808,000 599,092,000 654,629,000 635,180,000 597,910,000 536,987,000 536,223,000 559,671,000 524,031,000 446,159,000 466,709,000 466,814,000 498,199,000 437,553,000 424,262,000 439,743,000 427,216,000 536,668,000 560,810,000 497,647,000 495,781,000 493,886,000 495,095,000 519,300,000 478,674,000 416,413,000 484,175,000 476,120,000 515,036,000 446,176,000 488,445,000 549,275,000 625,539,000 608,344,000 722,066,000 743,613,000 810,303,000 786,772,000 918,927,000 973,089,000 927,407,000 840,201,000 894,798,000 853,297,000 820,372,000 718,552,000 780,949,000 734,217,000 672,545,000 594,893,000 574,197,000 602,208,000 545,838,000 470,420,000 501,298,000 516,274,000 464,303,000 435,170,000 452,262,000 484,036,000 450,683,000 435,100,000 525,691,000 515,795,000 500,120,000 435,815,000 481,611,000 485,424,000 432,041,000 344,004,000 342,363,000 337,263,000 311,063,000 289,509,000 288,725,000 263,111,000 235,970,000 210,737,000 226,038,000 192,862,000 194,653,000 162,065,000 172,754,000 140,669,000  
      yoy
    2.65% -6.29% 9.28% 4.39% 12.59% 8.99% 7.03% 11.86% 11.57% 22.08% 13.49% 14.10% 20.36% 14.89% 19.89% 5.19% 1.97% 10.00% 6.16% 16.62% -18.47% -24.35% -11.64% -13.83% 8.66% 13.27% -4.17% 3.57% 18.60% 2.26% 9.07% -7.06% -6.67% -0.87% -13.32% -17.67% -26.66% -32.35% -26.13% -22.80% -22.68% -21.42% -23.58% -12.63% -6.36% 2.70% 14.04% 13.05% 16.93% 14.58% 16.22% 21.98% 20.79% 36.01% 21.92% 23.21% 26.46% 14.54% 16.65% 17.56% 8.10% 10.84% 6.66% 3.02% 0.02% -13.97% -6.16% -9.89% -0.16% 9.15% 6.26% 15.76% 26.69% 40.67% 43.93% 38.89% 18.82% 18.58% 28.18% 31.82% 37.38% 27.73% 36.42% 21.23% 30.03% 30.84% 37.10%      
      qoq
    3.57% -10.00% 6.41% 3.50% -5.46% 4.95% 1.65% 11.64% -8.48% 3.06% 6.23% 11.35% 0.14% -4.19% 6.80% 17.45% -4.40% -0.02% -6.30% 13.86% 3.13% -3.52% 2.93% -20.39% -4.30% 12.69% 0.38% 0.38% -0.24% -4.66% 8.49% 14.95% -14.00% 1.69% -7.56% 15.43% -8.65% -11.07% -12.19% 2.83% -15.75% -2.90% -8.23% 2.99% -14.38% -5.57% 4.93% 10.38% -6.10% 4.86% 4.01% 14.17% -7.99% 6.36% 9.17% 13.05% 3.60% -4.65% 10.33% 16.03% -6.16% -2.90% 11.19% 6.69% -3.78% -6.56% 7.40% 3.58% -17.23% 1.92% 3.13% 14.76% -9.51% -0.79% 12.36% 25.59% 0.48% 1.51% 8.42% 7.45% 0.27% 9.74% 11.50% 11.97% -6.77% 17.20% -0.92% 20.11% -6.19% 22.81%   
      cost of services and products
    565,159,000 536,302,000 590,166,000 549,734,000 539,512,000 571,513,000 548,849,000 548,597,000 506,708,000 549,000,000 520,483,000 496,830,000 459,422,000 446,121,000 463,917,000 447,990,000 400,679,000 387,546,000 406,966,000 429,802,000 380,896,000 379,261,000 410,092,000 384,679,000 489,916,000 581,197,000 448,586,000 453,798,000 466,299,000 462,060,000 471,665,000 448,946,000 397,585,000 442,876,000 421,235,000 461,465,000 401,321,000 437,374,000 513,832,000 530,306,000 510,864,000 615,944,000 575,300,000 642,758,000 623,323,000 709,287,000 731,234,000 709,192,000 650,710,000 696,993,000 647,805,000 618,508,000 558,177,000 608,421,000 563,348,000 511,387,000 471,590,000 443,451,000 449,112,000 419,722,000 371,619,000 383,805,000 390,655,000 340,800,000 335,465,000 344,528,000 369,991,000 340,538,000 329,298,000 405,443,000 388,199,000 381,830,000 337,149,000 371,451,000 367,911,000 326,031,000 264,402,000 266,741,000 249,038,000 239,106,000 229,192,000 232,549,000 213,777,000 195,403,000 177,534,000 186,943,000 158,657,000 161,784,000 134,042,000 142,382,000 116,506,000  
      selling, general and administrative expense
    69,482,000 66,889,000 66,224,000 69,238,000 61,539,000 64,057,000 59,629,000 59,847,000 55,691,000 58,179,000 56,768,000 51,881,000 50,815,000 47,925,000 48,879,000 53,191,000 46,519,000 91,735,000 44,079,000 45,578,000 42,874,000 42,839,000 49,396,000 47,719,000 55,741,000 59,717,000 54,255,000 51,618,000 49,301,000 53,730,000 49,187,000 49,365,000 45,977,000 50,414,000 44,354,000 44,181,000 45,005,000 54,930,000 47,299,000 56,853,000 49,381,000 60,366,000 54,849,000 59,605,000 56,799,000 57,401,000 59,937,000 56,904,000 56,629,000 61,052,000 51,756,000 55,527,000 52,085,000 53,778,000 47,056,000 51,111,000 47,316,000 48,278,000 43,474,000 44,442,000 37,734,000 43,751,000 37,564,000 38,129,000 37,376,000 35,602,000 37,739,000 35,847,000 36,422,000 38,622,000 37,899,000 36,825,000 33,896,000 35,976,000 31,908,000 29,712,000 26,066,000 27,740,000 27,634,000 24,058,000 22,353,000            
      income from operations
    57,788,000 59,792,250 86,508,000 79,189,000 73,472,000   60,364,000 36,693,000 47,450,000 57,929,000 49,199,000 26,750,000 42,177,000 46,875,000 22,850,000 -1,039,000 -12,572,000 15,769,000 22,819,000 13,783,000 480,000 -60,620,000 -5,182,000 -380,757,000 -254,170,000 -5,194,000 -9,635,000 -21,714,000 -97,144,000 -1,552,000 -19,637,000 -27,149,000 -9,115,000 10,531,000 9,390,000 -150,000 -3,859,000 -11,856,000 38,380,000 48,099,000 45,756,000 113,464,000 107,940,000 106,650,000 152,239,000 181,918,000 161,311,000 132,862,000 136,753,000 153,736,000 146,337,000 108,290,000 118,750,000 123,813,000 110,047,000 75,987,000 82,468,000 109,622,000 81,674,000 61,067,000 73,742,000 88,055,000 85,374,000 62,329,000 72,132,000 76,306,000 74,298,000 69,380,000 81,626,000 89,697,000 81,465,000 64,770,000 74,184,000 85,605,000 76,298,000 53,536,000 47,882,000 60,591,000 47,899,000 37,964,000 30,581,000 28,335,000 20,660,000 14,493,000 19,357,000 18,719,000 16,831,000 11,747,000 16,050,000 11,457,000  
      yoy
    -21.35%   31.19% 100.23%   22.69% 37.17% 12.50% 23.58% 115.31% -2674.59% -435.48% 197.26% 0.14% -107.54% -2719.17% -126.01% -540.35% -103.62% -100.19% 1067.12% -46.22% 1653.51% 161.64% 234.66% -50.93% -20.02% 965.76% -114.74% -309.13% 17999.33% 136.20% -188.82% -75.53% -100.31% -108.43% -110.45% -64.44% -54.90% -69.94% -37.63% -33.09% -19.73% 11.32% 18.33% 10.23% 22.69% 15.16% 24.17% 32.98% 42.51% 44.00% 12.95% 34.74% 24.43% 11.83% 24.49% -4.33% -2.02% 2.23% 15.40% 14.91% -10.16% -11.63% -14.93% -8.80% 7.12% 10.03% 4.78% 6.77% 20.98% 54.93% 41.28% 59.29% 41.02% 56.57% 113.84% 131.84% 161.95% 57.98% 51.37% 22.75% 23.38% 20.60% 63.38%      
      qoq
    -3.35% -30.88% 9.24% 7.78%    64.51% -22.67% -18.09% 17.74% 83.92% -36.58% -10.02% 105.14% -2299.23% -91.74% -179.73% -30.90% 65.56% 2771.46% -100.79% 1069.82% -98.64% 49.80% 4793.53% -46.09% -55.63% -77.65% 6159.28% -92.10% -27.67% 197.85% -186.55% 12.15% -6360.00% -96.11% -67.45% -130.89% -20.21% 5.12% -59.67% 5.12% 1.21% -29.95% -16.31% 12.77% 21.41% -2.85% -11.05% 5.06% 35.13% -8.81% -4.09% 12.51% 44.82% -7.86% -24.77% 34.22% 33.74% -17.19% -16.25% 3.14% 36.97% -13.59% -5.47% 2.70% 7.09% -15.00% -9.00% 10.10% 25.78% -12.69% -13.34% 12.20% 42.52% 11.81% -20.98% 26.50% 26.17% 24.14% 7.93% 37.15% 42.55% -25.13% 3.41% 11.22% 43.28% -26.81% 40.09%   
      operating margin %
    8.35% 8.94% 11.64% 11.34% 10.89% 0% 0% 9.03% 6.12% 7.25% 9.12% 8.23% 4.98% 7.87% 8.38% 4.36% -0.23% -2.69% 3.38% 4.58% 3.15% 0.11% -13.79% -1.21% -70.95% -45.32% -1.04% -1.94% -4.40% -19.62% -0.30% -4.10% -6.52% -1.88% 2.21% 1.82% -0.03% -0.79% -2.16% 6.14% 7.91% 6.34% 15.26% 13.32% 13.56% 16.57% 18.69% 17.39% 15.81% 15.28% 18.02% 17.84% 15.07% 15.21% 16.86% 16.36% 12.77% 14.36% 18.20% 14.96% 12.98% 14.71% 17.06% 18.39% 14.32% 15.95% 15.76% 16.49% 15.95% 15.53% 17.39% 16.29% 14.86% 15.40% 17.64% 17.66% 15.56% 13.99% 17.97% 15.40% 13.11% 10.59% 10.77% 8.76% 6.88% 8.56% 9.71% 8.65% 7.25% 9.29% 8.14%  
      interest income
    5,061,000 4,118,000 3,704,000 3,017,000 3,644,000 3,407,000 3,275,000 2,402,000 3,040,000 3,081,000 3,724,000 4,154,000 4,466,000 2,749,000 1,396,000 767,000 796,000 613,000 662,000 683,000 519,000 881,000 414,000 511,000 1,277,000 1,352,000 2,089,000 1,848,000 2,604,000 1,775,000 2,645,000 2,950,000 2,592,000 1,976,000 1,997,000 2,045,000 1,337,000 1,479,000 684,000 1,442,000 295,000 171,000 229,000 51,000 156,000 43,000 130,000 41,000 79,000 82,000 39,000 243,000 190,000 573,000 824,000 194,000 344,000 428,000 204,000 89,000 167,000 243,000 123,000 111,000 103,000 181,000 287,000 91,000 135,000 395,000 304,000 77,000 131,000 630,000 316,000 137,000 115,000 470,000 130,000 62,000 68,000 170,000 181,000 93,000 61,000 110,000 767,000 67,000 192,000 94,000 164,000  
      interest expense, net of amounts capitalized
    -9,105,000 -9,049,000 -9,381,000 -9,472,000 -9,075,000           -9,619,000 -9,443,000 -9,058,000 -9,616,000 -9,729,000 -10,407,000 -10,577,000 -9,250,000 -11,611,000 -12,462,000 -11,706,000 -11,382,000 -10,199,000 -9,424,000 -9,684,000 -9,885,000 -8,802,000 -9,371,000 -5,300,000 -8,650,000 -7,599,000 -6,268,000 -6,394,000 -6,325,000 -6,207,000 -6,392,000 -6,354,000 -6,396,000 -6,212,000 -6,088,000                     -1,478,000 -1,714,000 -2,208,000 -2,381,000 -3,603,000 -3,070,000 -3,503,000 -3,309,000 -3,831,000 -4,400,000 -3,972,000 -3,130,000 -3,470,000 -3,528,000 -3,131,000 -2,791,000            
      equity in income (losses) of unconsolidated affiliates
    277,000 192,500 97,000 311,000 362,000 196,750 323,000 295,000 169,000 404,000 498,000 479,000 639,000 277,000 496,000 318,000 294,000 275,250 189,000 378,000 534,000 500,500 131,000 674,000 1,197,000 97,500 554,000  -164,000 -816,000 -1,684,000 -737,000 -843,000 -449,500 -424,000 -394,000 -980,000 135,750 -246,000 263,000 526,000                                                    
      other income
    808,000 -2,529,000 -1,021,000 5,371,000 975,000 -2,862,000 3,133,000 1,759,000 1,480,000 3,564,000 968,000 -5,846,000 78,000 -816,000 -1,222,000 583,000 444,000 -5,547,000 -814,000 -1,955,000 -1,453,000 -645,000 -2,836,000 -3,660,000 -7,128,000 -3,687,000 -3,660,000 7,000 719,000 -2,390,000 5,632,000 -3,556,000 -8,474,000 -2,154,000 -1,287,000  -2,556,000 579,000 570,000 -1,405,000 -5,988,000    700,000 128,000 -392,000 -417,000 294,000 -433,000 -639,000 -1,591,000 1,390,000    -1,473,000 1,792,000 -1,973,000 -217,000 -141,000 -1,171,000 -280,000 1,507,000 -982,000 -800,000 1,028,000 1,070,000 206,000   1,537,000 1,074,000    32,000 -764,000 -1,213,000 -1,192,000 5,000 -381,000 -225,000 260,000 -30,000 -649,000 -61,000 -263,000 -810,000 -169,000 -280,000  
      income before income taxes
    54,829,000 58,199,000 79,907,000 78,416,000 69,378,000 68,826,000 68,608,000 55,304,000 32,178,000 46,619,000 53,317,000 38,469,000 22,650,000 35,108,000 37,993,000 14,899,000 -8,948,000 -27,071,000 6,190,000 12,196,000 2,976,000 -9,595,000 -72,161,000 -19,268,000 -397,873,000 -267,270,000 -17,593,000 -17,979,000 -27,979,000 -107,962,000 -4,844,000 -29,782,000 -43,245,000 -14,778,000 2,167,000 3,384,000 -8,617,000 -8,494,000 -17,173,000 32,473,000 36,540,000 40,037,000 99,765,000 95,296,000 101,163,000 149,156,000 180,988,000 160,545,000 132,788,000 136,399,000 152,419,000 144,250,000 109,268,000 117,667,000 123,220,000 105,918,000 75,117,000 85,197,000 108,508,000 82,764,000 61,416,000 72,801,000 88,483,000 83,564,000 60,374,000 70,860,000 76,675,000 74,017,000 68,223,000 79,037,000 84,488,000 80,188,000 63,507,000 69,972,000 82,474,000 73,310,000 51,742,000 45,316,000 58,462,000 47,517,000 39,600,000 27,815,000 27,465,000 22,748,000 16,422,000 16,941,000 19,764,000 16,787,000 9,449,000 13,905,000 9,285,000  
      provision for income taxes
    18,722,000 -119,454,000 8,618,000 23,974,000 19,001,000 12,727,000 27,371,000 20,307,000 17,043,000 2,090,000 23,505,000 19,467,000 18,590,000 11,980,000 19,690,000 11,179,000 10,262,000 11,742,000 13,560,000 5,955,000 12,341,000 15,405,000 7,204,000 5,520,000 -30,275,000 -4,358,000 7,930,000 17,203,000 -3,152,000 -43,823,000 61,135,000 3,294,000 5,888,000   1,252,000 -1,083,000 2,534,000 -5,375,000 10,164,000 11,437,000 12,532,000 31,226,000 29,828,000 31,664,000 46,685,000 56,650,000 50,250,000 41,563,000 42,966,000 48,012,000 45,439,000 34,419,000 37,065,000 38,814,000 33,364,000 23,662,000 26,880,000 29,930,000 26,071,000 19,346,000 25,007,000 29,306,000 29,247,000 21,131,000 24,802,000 26,836,000 25,906,000 23,878,000 28,028,000 29,513,000 28,065,000 22,228,000 24,490,000 28,621,000 25,437,000 18,576,000 15,472,000 19,915,000 16,916,000 14,098,000 8,114,000 9,751,000 8,075,000 5,830,000 36,017,000 -6,918,000 -5,875,000 -3,307,000 -4,867,000 -3,250,000  
      net income
    36,107,000 177,653,000 71,289,000 54,442,000 50,377,000 56,099,000 41,237,000 34,997,000 15,135,000 44,529,000 29,812,000 19,002,000 4,060,000 23,128,000 18,303,000 3,720,000 -19,210,000 -38,813,000 -7,370,000 6,241,000 -9,365,000 -25,000,000 -79,365,000 -24,788,000 -367,598,000 -262,912,000 -25,523,000 -35,182,000 -24,827,000 -64,139,000 -65,979,000 -33,076,000 -49,133,000 173,568,000 -1,768,000 2,132,000 -7,534,000 -11,028,000 -11,798,000 22,309,000 25,103,000 27,505,000 68,539,000 65,468,000 69,499,000 102,471,000 124,338,000 110,295,000 91,225,000 93,433,000 104,407,000 98,811,000 74,849,000 80,602,000 84,406,000 72,554,000 51,455,000 58,317,000 78,578,000 56,693,000 42,070,000 47,794,000 59,177,000 54,317,000 39,243,000 46,058,000 49,839,000 48,111,000 44,345,000 51,009,000 54,975,000 52,123,000 41,279,000 45,482,000 53,853,000 47,873,000 33,166,000 29,844,000 38,547,000 30,601,000 25,502,000 19,701,000 17,714,000 14,673,000 10,592,000 11,712,000 12,846,000 10,912,000 6,142,000 9,038,000 6,035,000  
      yoy
    -28.33% 216.68% 72.88% 55.56% 232.85% 25.98% 38.32% 84.18% 272.78% 92.53% 62.88% 410.81% -121.13% -159.59% -348.34% -40.39% 105.13% 55.25% -90.71% -125.18% -97.45% -90.49% 210.95% -29.54% 1380.64% 309.91% -61.32% 6.37% -49.47% -136.95% 3631.84% -1651.41% 552.15% -1673.88% -85.01% -90.44% -130.01% -140.09% -117.21% -65.92% -63.88% -73.16% -44.88% -40.64% -23.82% 9.67% 19.09% 11.62% 21.88% 15.92% 23.70% 36.19% 45.46% 38.21% 7.42% 27.98% 22.31% 22.02% 32.78% 4.37% 7.20% 3.77% 18.74% 12.90% -11.51% -9.71% -9.34% -7.70% 7.43% 12.15% 2.08% 8.88% 24.46% 52.40% 39.71% 56.44% 30.05% 51.48% 117.61% 108.55% 140.77% 68.21% 37.90% 34.47% 72.45% 29.59% 112.86%      
      qoq
    -79.68% 149.20% 30.94% 8.07% -10.20% 36.04% 17.83% 131.23% -66.01% 49.37% 56.89% 368.03% -82.45% 26.36% 392.02% -119.36% -50.51% 426.64% -218.09% -166.64% -62.54% -68.50% 220.18% -93.26% 39.82% 930.10% -27.45% 41.71% -61.29% -2.79% 99.48% -32.68% -128.31% -9917.19% -182.93% -128.30% -31.68% -6.53% -152.88% -11.13% -8.73% -59.87% 4.69% -5.80% -32.18% -17.59% 12.73% 20.90% -2.36% -10.51% 5.66% 32.01% -7.14% -4.51% 16.34% 41.00% -11.77% -25.78% 38.60% 34.76% -11.98% -19.24% 8.95% 38.41% -14.80% -7.59% 3.59% 8.49% -13.06% -7.21% 5.47% 26.27% -9.24% -15.54% 12.49% 44.34% 11.13% -22.58% 25.97% 19.99% 29.45% 11.22% 20.73% 38.53% -9.56% -8.83% 17.72% 77.66% -32.04% 49.76%   
      net income margin %
    5.21% 26.57% 9.60% 7.80% 7.47% 7.86% 6.07% 5.23% 2.53% 6.80% 4.69% 3.18% 0.76% 4.31% 3.27% 0.71% -4.31% -8.32% -1.58% 1.25% -2.14% -5.89% -18.05% -5.80% -68.50% -46.88% -5.13% -7.10% -5.03% -12.95% -12.71% -6.91% -11.80% 35.85% -0.37% 0.41% -1.69% -2.26% -2.15% 3.57% 4.13% 3.81% 9.22% 8.08% 8.83% 11.15% 12.78% 11.89% 10.86% 10.44% 12.24% 12.04% 10.42% 10.32% 11.50% 10.79% 8.65% 10.16% 13.05% 10.39% 8.94% 9.53% 11.46% 11.70% 9.02% 10.18% 10.30% 10.68% 10.19% 9.70% 10.66% 10.42% 9.47% 9.44% 11.09% 11.08% 9.64% 8.72% 11.43% 9.84% 8.81% 6.82% 6.73% 6.22% 5.03% 5.18% 6.66% 5.61% 3.79% 5.23% 4.29%  
      weighted-average shares outstanding
                                                                                                
      basic
    99,534,000 100,222,000 100,022,000 100,558,000 100,746,000 101,180,000 101,415,000 101,441,000 101,025,000 100,697,000 100,780,000 100,776,000 100,441,000 100,185,000 100,259,000 100,256,000 99,963,000 99,706,000 99,797,000 99,762,000 99,461,000 99,233,000 99,297,000 99,273,000 99,055,000 98,876,000 98,930,000 98,929,000 98,714,000 98,496,000 98,533,000 98,531,000 98,383,000  98,270,000 98,263,000                                                         
      diluted
    100,613,000 101,262,000 101,057,000 101,372,000 101,903,000 102,369,000 102,613,000 102,472,000 102,250,000 102,156,000 102,206,000 102,004,000 102,029,000 101,447,000 101,310,000 101,430,000 99,963,000 99,706,000 99,797,000 100,847,000 99,461,000 99,233,000 99,297,000 99,273,000 99,055,000 98,876,000 98,930,000 98,929,000 98,714,000 98,496,000 98,533,000 98,531,000 98,383,000  98,270,000 98,751,000                                                         
      earnings per share
                                                                                                
      basic
    0.36 1.78 0.71 0.54 0.5 0.56 0.41 0.34 0.15 0.44 0.3 0.19 0.04 0.23 0.18 0.04 -0.19 -0.38 -0.07 0.06 -0.09 -0.25 -0.8 -0.25 -3.71 -2.65 -0.26 -0.36 -0.25 -0.66 -0.67 -0.34 -0.5 -0.018 -0.02 0.02                                                         
      diluted
    0.36 1.75 0.71 0.54 0.49 0.55 0.4 0.34 0.15 0.43 0.29 0.19 0.04 0.23 0.18 0.04 -0.19 -0.38 -0.07 0.06 -0.09 -0.25 -0.8 -0.25 -3.71 -2.65 -0.26 -0.36 -0.25 -0.66 -0.67 -0.34 -0.5 -0.018 -0.02 0.02                                                         
      operating income
         77,880,000 71,333,000                                                                                      
      interest expense
         -7,044,000 -9,456,000 -9,516,000 -9,204,000 -7,150,500 -9,802,000 -9,517,000 -9,283,000 -7,153,500 -9,552,000                               -371,500 -677,000 -398,000 -411,000 -541,750 -851,000 -553,000 -763,000 -770,750 -1,282,000 -1,256,000 -545,000 -186,500 -387,000 -212,000 -147,000 -1,409,000 -117,000 -3,878,000 -1,641,000                 -1,767,500 -2,655,000 -2,221,000 -2,194,000 -1,600,750 -2,141,000 -2,168,000 -1,489,000 -2,105,000 -1,920,000  
      long-lived assets impairments
                         1,682,000   68,763,000                                                                    
      goodwill impairment
                          40,875,000  303,005,000                                                                    
      cash dividends declared per share
                                      0.15 0.15 0.15 0.15 0.27 0.27 0.27 0.27 0.27 0.27 0.27 0.27 0.27 0.27 0.22 0.22 0.22 0.22 0.18 0.18 0.18 0.18 0.15 0.15 0.15                                  
      provision for (benefits from) income taxes
                                     1,026,000 3,935,000                                                          
      other expense
                                       -58,000      -3,720,750 -9,099,000 -6,484,000          -1,303,000 -553,000 -3,186,000              -69,000 -2,887,000   -60,500 -69,000 -205,000                 
      basic earnings per share
                                        -0.08 -0.11 -0.12 0.23 0.26 0.29 0.7 0.66 0.7 0.99 1.16 1.02 0.84 0.86 0.97 0.91 0.69 0.75 0.78 0.67 0.48 0.54 0.73 0.52 0.78 0.88 1.09 0.99 0.71 0.84 0.9 0.87 0.81 0.94 0.95 0.75 0.82 0.98 0.88 0.61 0.55 0.71 0.57 0.95 0.74 0.67 0.57 0.41 0.46 0.51 0.44 0.26 0.38 0.25  
      diluted earnings per share
                                        -0.08 -0.11 -0.12 0.23 0.26 0.28 0.7 0.66 0.7 0.99 1.16 1.02 0.84 0.86 0.96 0.91 0.69 0.74 0.78 0.67 0.47 0.53 0.72 0.52 0.77 0.88 1.09 0.98 0.71 0.83 0.9 0.87 0.8 0.93 0.99 0.93 0.74 0.82 0.96 0.86 0.6 0.54 0.7 0.56 0.93 0.73 0.66 0.55 0.4 0.45 0.5 0.43 0.25 0.37 0.25  
      equity in losses of unconsolidated affiliates
                                             328,250 1,567,000 1,000 -255,000                                                
      equity earnings of unconsolidated affiliates
                                                 -32,000 9,000 8,000 -36,000 24,000 134,000 -186,000 161,000 332,000 418,000 119,000 804,000 859,000 1,042,000 1,430,000 470,000 361,000 702,000 450,000 565,000 825,000 768,000 766,000  22,000 444,000 612,000 841,000 767,000 1,022,000 1,052,000 1,189,000 1,336,000 2,482,000 3,879,000 4,354,000 533,000 1,829,000 3,956,000 4,092,000 174,000 2,480,000 2,320,000 226,000 35,000 -136,000  
      gross profit
                                                     141,932,750 205,492,000 201,864,000 160,375,000 113,832,500 170,869,000   94,503,250 153,096,000 126,116,000 98,801,000 87,206,750 125,619,000 123,503,000 99,705,000                            
      yoy
                                                     24.69% 20.26%   20.45% 11.61%   8.37% 21.87% 2.12% -0.91%                                
      qoq
                                                     -30.93% 1.80% 25.87% 40.89% -33.38%    -38.27% 21.39% 27.65% 13.30% -30.58% 1.71% 23.87%                             
      gross margin %
    0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 15.86% 24.08% 24.61% 22.32% 14.58% 23.27% 0% 0% 16.46% 25.42% 23.11% 21.00% 17.40% 24.33% 26.60% 22.91% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%  
      gross margin
                                                                     107,734,000 114,045,000 110,145,000 105,802,000 120,248,000 127,596,000 118,290,000 98,666,000 110,160,000 117,513,000 106,010,000 79,602,000 75,622,000 88,225,000 71,957,000 60,317,000 56,176,000 49,334,000 40,567,000 33,203,000 39,095,000 34,205,000 32,869,000 28,023,000 30,372,000 24,163,000  
      equity earnings of medusa spar llc
                                                                        883,000                        
      weighted-average number of common shares
                                                                         54,949 55,087 55,141 55,095 54,786 54,979 54,622 54,485 53,990 54,185 53,756 26,773 26,150 26,287 25,866 25,754 24,993 25,153 24,764 23,903 23,971 23,919  
      incremental shares from stock equivalents
                                                                         -66 707 928 883 -26 842 1,056 989                
      weighted-average number of common shares and equivalents
                                                                         55,722 55,794 56,069 55,978 55,755 55,821 55,678 55,474 54,991 55,283 55,088 27,388 26,824 26,921 26,582 26,510 25,685 25,871 25,589 24,453 24,488 24,500  
      incremental shares from stock options and restricted stock
                                                                                 305 1,098 1,332 615 175.5 634 716 756 203.5 718 825 143.25 517 581  
      selling, general and administrative expenses
                                                                                     14,904,000 20,999,000 19,907,000 18,710,000 12,050,250 15,486,000 16,038,000 10,127,750 14,322,000 12,706,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2003-12-31 2003-09-30 2003-03-31 2002-12-31 
                                                                                                  
        assets
                                                                                                  
        current assets:
                                                                                                  
        cash and cash equivalents
      607,470,000 688,874,000 505,992,000 434,048,000 381,984,000 497,516,000 451,858,000 382,873,000 354,697,000 461,566,000 556,427,000 504,019,000 504,977,000 568,745,000 427,507,000 368,412,000 438,019,000 538,114,000 447,725,000 456,087,000 442,743,000 452,016,000 358,777,000 333,509,000 307,460,000 373,655,000 340,323,000 355,838,000 341,763,000 354,259,000 367,150,000 339,541,000 334,910,000 430,316,000 472,381,000 482,339,000 462,516,000 450,193,000 441,625,000 393,190,000 370,853,000 385,235,000 271,155,000 190,630,000 304,512,000 430,714,000 74,592,000 103,330,000 106,339,000 91,430,000 102,349,000 119,310,000 127,990,000 120,549,000 103,638,000 85,588,000 127,492,000 106,142,000 166,108,000 150,918,000 186,861,000 245,219,000 148,250,000 144,699,000 220,039,000 162,351,000 81,434,000 49,393,000 24,795,000 11,200,000 25,128,000 28,829,000 31,253,000 27,110,000 43,502,000 26,012,000 26,191,000 26,228,000 33,664,000 24,957,000 39,386,000 26,308,000 35,833,000 34,398,000 29,637,000 16,781,000 26,291,000 15,132,000 18,396,000 21,057,000 39,813,000 66,201,000 
        accounts receivable
      371,846,000 308,488,000 405,880,000 389,412,000 371,732,000 303,583,000 378,391,000 405,072,000 384,095,000 331,326,000 391,745,000 369,841,000 317,866,000 296,554,000 384,886,000 344,533,000 303,436,000 262,960,000 293,126,000 334,122,000 284,480,000 296,214,000 331,617,000 353,247,000 372,966,000 421,360,000 376,027,000 374,173,000 381,455,000 625,086,000 579,205,000 504,322,000 471,345,000 476,903,000 464,547,000 466,456,000 429,752,000 489,749,000 510,424,000 547,125,000 577,213,000 612,785,000 702,793,000 795,891,000 774,905,000 778,372,000 922,382,000 843,161,000 785,089,000 768,842,000 747,667,000 672,055,000 618,738,000 666,930,000 669,843,000 593,619,000 519,099,000 549,812,000 508,287,000 500,432,000 455,963,000 424,014,000 458,258,000 435,682,000 438,946,000 435,151,000 426,091,000 406,122,000  446,719,000 446,416,000 411,178,000 372,185,000 370,612,000 415,582,000 396,198,000 348,994,000 315,255,000 326,265,000 308,928,000 276,095,000 244,044,000 237,886,000 215,344,000 206,272,000 190,921,000 185,140,000 187,230,000 139,941,000 171,114,000 150,145,000 119,393,000 
        contract assets
      224,407,000 216,808,000 269,412,000 250,808,000 269,297,000 275,280,000 239,093,000 224,475,000 193,255,000 234,505,000 224,894,000 215,006,000 210,415,000 184,847,000 172,944,000 188,672,000 171,951,000 164,847,000 254,672,000 247,162,000 245,347,000 221,997,000 220,760,000 223,405,000 237,107,000 221,288,000 197,431,000 197,001,000 221,451,000                                                                
        inventory
      208,233,000 201,595,000 218,146,000 226,590,000 220,776,000 222,849,000 241,576,000 231,305,000 216,914,000 209,798,000 208,200,000 208,827,000 197,610,000 184,375,000 167,762,000 169,245,000 162,261,000 153,682,000 128,869,000 129,133,000 130,612,000 141,241,000 148,527,000 160,447,000 166,360,000 174,744,000 198,749,000 206,671,000 203,010,000 194,507,000 189,119,000 185,926,000 185,009,000 215,282,000 245,783,000 266,636,000 297,645,000 280,130,000 297,195,000 343,023,000 352,122,000 328,453,000 373,234,000 376,950,000 379,836,000 375,588,000 434,379,000 441,497,000 437,873,000 441,789,000 446,017,000 394,874,000 355,008,000 331,280,000 326,830,000 290,141,000 257,052,000 255,095,000 259,324,000 264,488,000 238,332,000 236,517,000 242,495,000 239,334,000 230,521,000 232,217,000 228,993,000 261,283,000 248,353,000                        
        other current assets
      104,954,000 96,635,000 102,413,000 91,849,000 91,817,000 88,668,000 100,181,000 93,405,000 88,531,000 68,464,000 77,324,000 77,628,000 74,419,000 62,539,000 66,643,000 76,902,000 67,054,000 68,400,000 60,743,000 62,372,000 58,335,000 58,795,000 66,139,000 61,300,000 68,013,000 53,389,000 54,667,000 61,510,000 72,713,000 71,037,000 54,362,000 84,456,000 114,481,000  50,064,000 46,274,000 56,817,000 42,523,000 110,024,000 132,018,000 126,307,000 191,020,000 163,248,000 156,529,000 150,458,000 128,876,000 127,036,000 142,724,000 126,938,000 131,214,000 95,371,000 105,501,000 89,289,000 84,231,000 76,534,000 70,886,000 69,424,000 73,073,000 66,052,000 79,033,000 75,559,000 77,752,000 51,292,000 68,248,000 56,188,000 44,420,000 47,135,000 45,169,000 49,070,000                        
        total current assets
      1,516,910,000 1,512,400,000 1,501,843,000 1,392,707,000 1,335,606,000 1,387,896,000 1,411,099,000 1,337,130,000 1,237,492,000 1,305,659,000 1,458,590,000 1,375,321,000 1,305,287,000 1,297,060,000 1,219,742,000 1,147,764,000 1,142,721,000 1,188,003,000 1,185,135,000 1,228,876,000 1,161,517,000 1,170,263,000 1,125,820,000 1,131,908,000 1,151,906,000 1,244,436,000 1,167,197,000 1,195,193,000 1,220,392,000 1,244,889,000 1,189,836,000 1,114,245,000 1,105,745,000 1,187,402,000 1,232,775,000 1,261,705,000 1,246,730,000 1,262,595,000 1,359,268,000 1,415,356,000 1,426,495,000 1,517,493,000 1,510,430,000 1,520,000,000 1,609,711,000 1,713,550,000 1,558,389,000 1,530,712,000 1,456,239,000 1,433,275,000 1,391,404,000 1,291,740,000 1,191,025,000 1,202,990,000 1,176,845,000 1,040,234,000 973,067,000 984,122,000 999,771,000 994,871,000 956,715,000 983,502,000 900,295,000 887,963,000 945,694,000 874,139,000 783,653,000 761,967,000 722,589,000 747,705,000 789,789,000 745,300,000 694,535,000 670,569,000 737,219,000 666,999,000 586,066,000 523,645,000 518,925,000 481,629,000 434,587,000 394,233,000 361,540,000 330,237,000 295,135,000 276,876,000 274,531,000 262,646,000 224,765,000 244,748,000 235,672,000 233,070,000 
        property and equipment, at cost
      2,182,299,000 2,174,535,000 2,196,188,000 2,241,181,000 2,198,034,000 2,156,388,000 2,180,182,000 2,268,671,000 2,257,886,000 2,285,896,000 2,409,723,000 2,446,047,000 2,420,196,000 2,435,840,000 2,384,833,000 2,423,350,000 2,476,639,000 2,452,421,000 2,446,348,000 2,454,678,000 2,448,726,000 2,456,602,000 2,418,523,000 2,424,921,000 2,450,116,000 2,622,185,000 2,904,879,000 2,879,197,000 2,857,688,000 2,837,587,000 2,831,728,000 2,812,374,000 2,821,826,000 2,815,579,000 2,790,056,000 2,744,441,000 2,711,998,000 2,728,125,000 2,770,569,000 2,820,064,000 2,791,711,000 2,772,580,000 2,748,734,000 2,758,145,000 2,653,250,000 2,660,788,000 2,647,251,000 2,608,885,000 2,489,805,000 2,380,888,000 2,277,772,000 2,158,500,000 2,136,025,000 2,069,119,000 1,973,957,000 1,916,310,000 1,870,038,000 1,772,017,000 1,695,048,000 1,776,755,000 1,712,805,000 1,631,109,000 1,592,744,000 1,518,742,000 1,488,094,000 1,501,243,000 1,529,031,000 1,460,441,000 1,397,062,000 1,351,839,000 1,366,386,000 1,358,771,000 1,320,122,000  1,202,672,000 1,144,453,000 1,085,565,000  974,023,000 939,796,000 888,240,000  826,586,000 806,828,000 797,073,000  754,770,000 722,460,000  629,409,000 603,543,000  
        less accumulated depreciation
      1,737,369,000 1,722,842,000 1,753,914,000 1,795,514,000 1,766,099,000 1,736,290,000 1,756,603,000 1,852,181,000 1,835,797,000 1,861,603,000 1,987,903,000 2,019,993,000 1,992,826,000 1,997,391,000 1,950,247,000 1,968,046,000 1,996,380,000 1,962,825,000 1,935,620,000 1,916,769,000 1,887,076,000 1,865,495,000 1,809,097,000 1,777,057,000 1,778,288,000 1,845,653,000 1,958,498,000 1,931,410,000 1,901,949,000 1,872,917,000 1,838,214,000 1,798,370,000 1,767,503,000 1,751,375,000 1,706,703,000 1,644,251,000 1,588,567,000 1,574,867,000 1,603,598,000 1,610,044,000 1,553,572,000 1,505,849,000 1,476,100,000 1,447,934,000 1,380,840,000 1,354,966,000 1,332,487,000 1,296,300,000 1,244,307,000 1,191,789,000 1,150,278,000 1,092,758,000 1,075,835,000 1,043,987,000 984,601,000 953,907,000 921,416,000 878,709,000 853,948,000 912,641,000 876,966,000 844,736,000 806,686,000 760,075,000 745,071,000 734,882,000 759,380,000 724,082,000 681,109,000 654,409,000 660,902,000 657,634,000 639,103,000 609,155,000 586,742,000 554,766,000 531,060,000 516,335,000    433,057,000    384,615,000   321,029,000   266,130,000 
        net property and equipment
      444,930,000 451,693,000 442,274,000 445,667,000 431,935,000 420,098,000 423,579,000 416,490,000 422,089,000 424,293,000 421,820,000 426,054,000 427,370,000 438,449,000 434,586,000 455,304,000 480,259,000 489,596,000 510,728,000 537,909,000 561,650,000 591,107,000 609,426,000 647,864,000 671,828,000 776,532,000 946,381,000 947,787,000 955,739,000 964,670,000 993,514,000 1,014,004,000 1,054,323,000 1,064,204,000 1,083,353,000 1,100,190,000 1,123,431,000 1,153,258,000 1,166,971,000 1,210,020,000 1,238,139,000 1,266,731,000 1,272,634,000 1,310,211,000 1,272,410,000 1,305,822,000 1,314,764,000 1,312,585,000 1,245,498,000 1,189,099,000 1,127,494,000 1,065,742,000 1,060,190,000 1,025,132,000 989,356,000 962,403,000 948,622,000 893,308,000 841,100,000 864,114,000 835,839,000 786,373,000 786,058,000 758,667,000 743,023,000 766,361,000 769,651,000 736,359,000 715,953,000 697,430,000 705,484,000 701,137,000 681,019,000 638,107,000 615,930,000 589,687,000 554,505,000 523,707,000 482,661,000 466,137,000 437,162,000 409,201,000 403,912,000 401,043,000 400,138,000 401,054,000 392,114,000 371,719,000 329,070,000 327,772,000 325,763,000 322,390,000 
        other assets:
                                                                                                  
        goodwill
      50,786,000 51,023,000 51,039,000 51,383,000 50,173,000 49,350,000 34,111,000 34,033,000 33,991,000 34,214,000 34,020,000 34,062,000 34,108,000 34,339,000 33,902,000 34,382,000 34,940,000 34,908,000 34,936,000 35,042,000 35,065,000 35,016,000 34,559,000 74,946,000 73,987,000 405,079,000 410,449,000 422,312,000 421,572,000 413,121,000 500,164,000 501,348,000 512,164,000 455,599,000 464,772,000 450,801,000 445,512,000 443,551,000 448,289,000 438,906,000 443,121,000 426,872,000 421,603,000 435,610,000 314,799,000 331,474,000 360,212,000 370,514,000 347,909,000 344,018,000 347,127,000 331,577,000 343,483,000 363,193,000 356,728,000 331,987,000 339,876,000 333,471,000 157,239,000 170,149,000 178,679,000 143,234,000 138,855,000 123,969,000 128,732,000 130,820,000 130,387,000 125,119,000 120,936,000 118,706,000 133,677,000 144,872,000 135,593,000 111,951,000 112,123,000 93,049,000 87,249,000 86,931,000 85,495,000 85,342,000 85,113,000 84,608,000 85,563,000 84,041,000 62,953,000 62,977,000 49,734,000 49,028,000 38,468,000 36,512,000 20,780,000 14,658,000 
        deferred tax assets
      170,963,000 173,133,000                                                                                           
        other noncurrent assets
      136,081,000 129,254,000 165,625,000 154,080,000 143,495,000 144,282,000 123,575,000 138,498,000 136,359,000 137,286,000 100,991,000 102,218,000 122,201,000 122,224,000 98,319,000 101,655,000 101,986,000 104,255,000 105,402,000 107,714,000 107,829,000 108,250,000 128,180,000 129,133,000 132,263,000 151,378,000 189,713,000 192,698,000                                                                 
        right-of-use operating lease assets
      323,525,000 349,751,000 378,537,000 283,745,000 313,814,000 334,721,000 364,129,000 378,715,000 398,946,000 337,554,000 297,028,000 227,213,000 153,512,000 139,611,000 136,283,000 133,318,000 142,091,000 146,097,000 145,771,000 152,008,000 137,463,000 141,206,000 139,715,000 144,933,000 135,113,000 163,238,000 171,952,000 180,645,000                                                                 
        total other assets
      681,355,000 703,161,000 595,201,000 489,208,000 507,482,000 528,353,000 521,815,000 551,246,000 569,296,000 509,054,000 432,039,000 363,493,000 309,821,000 296,174,000 268,504,000 269,355,000 279,017,000 285,260,000 286,109,000 294,764,000 280,357,000 284,472,000 302,454,000 349,012,000 341,363,000 719,695,000 772,114,000 795,655,000 795,387,000 615,439,000 740,349,000 774,499,000 768,613,000 772,344,000 828,555,000 729,906,000 720,835,000 714,462,000 711,331,000 693,828,000 699,539,000 645,312,000 637,566,000 638,123,000 471,822,000 492,329,000 518,302,000 539,887,000 510,876,000 506,126,000 509,628,000 505,358,000 520,406,000 539,996,000 530,651,000 522,227,000 532,823,000 523,114,000 302,091,000 301,476,000 301,036,000 260,631,000 251,983,000 229,117,000 239,985,000 239,787,000 237,336,000 228,869,000 223,094,000 224,885,000 241,438,000 256,096,000 247,933,000  222,616,000 196,150,000 195,645,000                
        total assets
      2,643,195,000 2,667,254,000 2,539,318,000 2,327,582,000 2,275,023,000 2,336,347,000 2,356,493,000 2,304,866,000 2,228,877,000 2,239,006,000 2,312,449,000 2,164,868,000 2,042,478,000 2,031,683,000 1,922,832,000 1,872,423,000 1,901,997,000 1,962,859,000 1,981,972,000 2,061,549,000 2,003,524,000 2,045,842,000 2,037,700,000 2,128,784,000 2,165,097,000 2,740,663,000 2,885,692,000 2,938,635,000 2,971,518,000 2,824,998,000 2,923,699,000 2,902,748,000 2,928,681,000 3,023,950,000 3,144,683,000 3,091,801,000 3,090,996,000 3,130,315,000 3,237,570,000 3,319,204,000 3,364,173,000 3,429,536,000 3,420,630,000 3,468,334,000 3,353,943,000 3,511,701,000 3,391,455,000 3,383,184,000 3,212,613,000 3,128,500,000 3,028,526,000 2,862,840,000 2,771,621,000 2,768,118,000 2,696,852,000 2,524,864,000 2,454,512,000 2,400,544,000 2,142,962,000 2,160,461,000 2,093,590,000 2,030,506,000 1,938,336,000 1,875,747,000 1,928,702,000 1,880,287,000 1,790,640,000 1,727,195,000 1,661,636,000 1,670,020,000 1,736,711,000 1,702,533,000 1,623,487,000 1,531,440,000 1,575,765,000 1,452,836,000 1,336,216,000 1,242,022,000 1,193,880,000 1,138,033,000 1,061,966,000 989,568,000 950,869,000 913,688,000 840,042,000 819,664,000 791,855,000 756,806,000 662,856,000 631,774,000 601,685,000 590,348,000 
        liabilities and equity
                                                                                                  
        current liabilities:
                                                                                                  
        accounts payable
      176,307,000 174,722,000 170,874,000 161,611,000 169,390,000 181,505,000 183,323,000 172,672,000 152,607,000 156,064,000 154,797,000 151,062,000 142,741,000 148,018,000 135,882,000 129,594,000 108,015,000 122,327,000 97,836,000 106,778,000 92,515,000 94,207,000 96,481,000 89,411,000 124,898,000 145,933,000 101,634,000 105,171,000 111,741,000 102,636,000 111,756,000 91,150,000 82,995,000 85,539,000 89,438,000 81,676,000 86,895,000 77,593,000 95,303,000 100,006,000 76,857,000 118,277,000 92,937,000 135,779,000 121,087,000 123,688,000 143,148,000 176,209,000 143,323,000 129,632,000 152,297,000 140,378,000 138,439,000 130,489,000 154,891,000 136,841,000 125,589,000 111,381,000 106,569,000 116,409,000 100,713,000 85,572,000 101,462,000 123,000,000 99,880,000 86,484,000 79,078,000 76,258,000 84,759,000 92,511,000 90,897,000 100,082,000 84,717,000 76,841,000 92,096,000 77,065,000 81,409,000 70,777,000 79,908,000 78,691,000 84,857,000 64,306,000 55,340,000 50,298,000 54,041,000 47,397,000 40,676,000 40,209,000 32,130,000 30,068,000 27,740,000 21,918,000 
        accrued liabilities
      438,106,000 471,971,000 475,061,000 443,287,000 430,823,000 474,736,000 448,004,000 423,216,000 400,621,000 411,781,000 374,773,000 344,961,000 309,790,000 307,446,000 299,659,000 286,582,000 272,651,000 290,659,000 302,656,000 310,757,000 276,322,000 292,863,000 289,128,000 311,270,000 298,906,000 337,681,000 313,819,000 312,347,000 309,902,000 392,105,000 364,558,000 336,226,000 289,527,000 350,258,000 372,018,000 401,230,000 390,633,000 430,771,000 382,289,000 396,432,000 435,475,000 477,284,000 482,294,000 469,088,000 431,131,000 490,260,000 510,622,000 494,832,000 469,856,000 516,628,000 471,666,000 406,895,000 374,456,000 408,303,000 398,005,000 366,222,000 353,675,000 335,161,000 265,333,000 279,899,000 294,518,000 314,410,000 288,732,000 272,614,000 246,706,000 255,704,000 239,053,000 238,777,000 206,062,000 244,035,000 224,788,000 234,819,000 210,224,000 235,748,000 234,379,000 223,234,000 175,675,000 180,073,000 162,578,000 164,768,000 143,336,000 142,168,000 134,244,000 124,275,000 109,215,000 112,477,000 95,598,000 96,477,000 85,406,000 76,584,000 83,877,000 74,105,000 
        contract liabilities
      114,834,000 115,033,000 117,924,000 91,965,000 106,211,000 140,697,000 168,816,000 181,057,000 150,150,000 164,631,000 139,274,000 119,021,000 122,697,000 112,950,000 80,184,000 56,563,000 84,769,000 88,175,000 50,754,000 61,988,000 47,906,000 50,046,000 45,566,000 51,763,000 61,929,000 117,342,000 94,961,000 73,526,000 78,668,000                                                                
        total current liabilities
      729,247,000 761,726,000 763,859,000 696,863,000 706,424,000 796,938,000 800,143,000 776,945,000 703,378,000 732,476,000 800,474,000 615,044,000 575,228,000 568,414,000 515,725,000 472,739,000 465,435,000 501,161,000 451,246,000 479,523,000 416,743,000 437,116,000 431,175,000 452,444,000 485,733,000 600,956,000 510,414,000 491,044,000 500,311,000 494,741,000 476,314,000 427,376,000 372,522,000 435,797,000 461,456,000 482,906,000 477,528,000 508,364,000 501,073,000 497,595,000 523,212,000 615,956,000 623,827,000 662,986,000 601,842,000 679,137,000 725,542,000 767,107,000 695,441,000 727,088,000 703,255,000 602,520,000 598,239,000 617,185,000 615,353,000 562,226,000 525,994,000 501,375,000 421,561,000 438,580,000 429,701,000 439,856,000 440,051,000 470,406,000 400,077,000 388,547,000 359,026,000 347,402,000 315,450,000 357,327,000 347,763,000 362,804,000 327,977,000 338,975,000 367,851,000 335,419,000 286,158,000 279,706,000 276,717,000 271,225,000 252,724,000 222,667,000 204,645,000 185,197,000 173,987,000 170,672,000 150,075,000 149,365,000 132,972,000 124,888,000 132,377,000 116,031,000 
        long-term debt
      488,813,000 487,417,000 486,022,000 484,648,000 483,312,000 482,009,000 480,706,000 479,378,000 478,173,000 477,058,000 568,471,000 700,404,000 700,695,000 700,973,000 701,258,000 701,539,000 701,808,000 702,067,000 739,980,000 773,423,000 804,888,000 805,251,000 805,631,000 806,006,000 806,396,000 796,516,000 799,855,000 795,639,000 790,969,000 786,580,000 782,190,000 782,228,000 785,068,000 792,312,000 795,805,000 794,099,000 793,908,000 793,058,000 802,256,000 802,338,000 800,560,000 795,836,000 797,495,000 792,917,000 750,000,000 750,000,000 250,000,000 80,000,000 90,000,000  40,000,000 75,000,000 90,000,000 94,000,000 120,000,000 125,000,000 100,000,000 120,000,000       120,000,000 120,000,000 120,000,000 140,000,000 200,000,000 229,000,000 303,000,000 226,500,000 245,000,000 200,000,000 263,000,000 245,000,000 237,000,000 194,000,000 200,000,000 195,000,000 180,000,000 174,000,000 175,295,000 190,589,000 147,881,000 142,172,000 166,462,000 162,751,000 122,324,000 115,000,000 111,600,000 112,800,000 
        long-term operating lease liabilities
      231,203,000 257,269,000 286,476,000 204,988,000 218,211,000 238,325,000 271,940,000 295,294,000 325,890,000 293,482,000 270,565,000 212,538,000 162,592,000 151,842,000 148,864,000 144,903,000 153,113,000 158,503,000 157,510,000 163,027,000 150,229,000 156,074,000 154,355,000 160,341,000 150,839,000 160,988,000 162,881,000 172,090,000 166,453,000                                                                
        other long-term liabilities
      81,177,000 84,179,000 89,230,000 92,959,000 87,948,000 98,753,000 99,663,000 96,154,000 92,293,000 101,907,000 100,604,000 85,400,000 77,657,000 84,650,000 79,687,000 76,514,000 79,586,000 90,104,000 84,139,000 82,844,000 83,319,000 89,244,000 87,120,000 84,584,000 85,470,000 106,794,000 109,463,000 120,829,000 122,285,000 128,379,000 163,722,000 122,610,000 132,888,000 131,323,000 387,464,000 323,651,000 330,427,000 312,250,000 362,461,000 427,634,000 428,753,000 439,010,000 410,392,000 414,267,000 418,429,000 424,944,000 397,040,000 363,447,000 336,812,000 357,972,000 307,714,000 310,783,000 249,308,000 241,473,000 227,263,000 212,990,000 216,563,000 221,207,000 204,719,000 215,514,000 208,144,000 200,435,000 160,750,000 152,090,000 151,470,000 147,417,000 137,683,000 137,829,000 123,747,000 116,039,000 104,639,000 90,776,000 83,563,000 77,155,000 75,816,000 79,383,000 80,375,000 71,552,000 64,867,000 60,778,000 60,747,000 56,783,000 53,578,000 55,323,000 51,046,000 52,383,000 51,473,000 48,897,000 48,185,000 52,636,000 48,777,000 47,652,000 
        commitments and contingencies
                                                                                                  
        equity:
                                                                                                  
        common stock
      27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000 27,709,000    13,854,000    13,854,000    13,854,000    13,769,000    13,610,000    6,695,000    6,455,000   6,203,000   6,203,000 
        additional paid-in capital
      57,834,000 80,454,000 77,251,000 73,605,000 74,314,000 98,621,000 95,325,000 92,341,000 94,270,000 131,774,000 129,808,000 127,552,000 125,011,000 155,858,000 152,901,000 150,539,000 148,060,000 173,608,000 170,787,000 168,002,000 168,411,000 192,492,000 190,250,000 191,112,000 189,322,000 207,130,000 203,955,000 201,227,000 198,784,000 220,421,000 217,613,000 215,073,000 211,988,000 225,125,000 224,542,000 221,731,000 218,307,000 227,566,000 223,665,000 221,466,000 217,859,000 230,179,000 224,621,000 220,565,000 216,258,000 229,640,000 224,625,000 220,119,000 214,376,000 222,402,000 216,413,000 211,502,000 206,411,000 212,940,000 210,959,000 206,885,000 202,744,000 202,619,000    207,132,000    212,788,000    224,245,000    210,388,000    191,910,000    179,132,000    146,403,000   113,704,000   108,826,000 
        treasury stock
      -548,946,000 -567,981,000 -558,394,000 -548,553,000 -542,950,000 -555,350,000 -545,524,000 -535,579,000 -540,988,000 -574,380,000 -575,400,000 -575,773,000 -576,318,000 -605,553,000 -605,553,000 -605,752,000 -605,893,000 -631,811,000 -631,942,000 -632,129,000 -634,585,000 -660,021,000 -660,234,000 -661,267,000 -662,386,000 -681,640,000 -681,717,000 -681,717,000 -681,786,000 -704,066,000 -704,436,000 -704,502,000 -704,630,000 -718,946,000 -719,096,000 -719,706,000 -720,119,000 -731,202,000 -731,448,000 -731,256,000 -731,612,000 -743,577,000 -743,823,000 -743,852,000 -699,457,000 -656,917,000 -303,341,000 -102,239,000 -102,259,000 -75,736,000 -75,736,000 -75,736,000 -75,793,000 -84,062,000 -84,062,000 -84,177,000 -64,833,000 -71,700,000    -61,385,000    -27,796,000    -52,419,000                   -9,563,000   -7,309,000 
        retained earnings
      1,962,593,000 1,926,486,000 1,748,833,000 1,677,544,000 1,623,102,000 1,572,725,000 1,516,626,000 1,475,389,000 1,440,392,000 1,425,257,000 1,380,728,000 1,350,916,000 1,331,914,000 1,327,854,000 1,304,726,000 1,286,423,000 1,282,703,000 1,301,913,000 1,340,726,000 1,348,096,000 1,341,855,000 1,351,220,000 1,376,220,000 1,455,585,000 1,480,373,000 1,850,244,000 2,113,156,000 2,138,679,000 2,173,861,000 2,204,548,000 2,268,687,000 2,334,666,000 2,367,742,000 2,417,412,000 2,243,844,000 2,260,353,000 2,272,961,000 2,295,234,000 2,320,971,000 2,359,246,000 2,363,413,000 2,364,786,000 2,363,699,000 2,321,579,000 2,282,771,000 2,240,229,000 2,165,741,000 2,070,160,000 1,989,026,000 1,921,642,000 1,852,012,000 1,771,409,000 1,696,401,000 1,641,027,000 1,579,848,000 1,514,866,000 1,461,735,000 1,426,525,000    1,239,574,000    1,039,043,000    850,690,000    651,304,000    472,525,000    348,031,000    285,351,000   245,051,000   215,750,000 
        accumulated other comprehensive loss
      -392,498,000 -396,068,000 -387,731,000 -388,244,000 -409,110,000 -429,446,000 -396,158,000 -408,828,000 -398,303,000 -382,340,000 -396,573,000 -384,985,000 -388,073,000 -386,127,000 -408,548,000 -388,254,000 -356,587,000 -366,458,000 -364,246,000 -355,009,000 -361,108,000 -359,306,000 -380,589,000 -393,793,000 -404,422,000 -334,097,000 -366,087,000 -332,928,000 -333,131,000 -339,377,000 -313,454,000 -307,766,000 -269,960,000 -292,136,000 -282,395,000 -298,942,000 -309,725,000  -269,117,000 -285,528,000 -265,721,000  -283,290,000 -227,837,000 -243,609,000                                                
        oceaneering shareholders' equity
      1,106,692,000 1,070,600,000 907,668,000 842,061,000 773,065,000 714,259,000 697,978,000 651,032,000 623,080,000 628,020,000 566,272,000 545,419,000 520,243,000 519,741,000 471,235,000 470,665,000 495,992,000 504,961,000 543,034,000 556,669,000 542,282,000 552,094,000 553,356,000 619,346,000 630,596,000 1,069,346,000 1,297,016,000 1,352,970,000 1,385,437,000 1,409,235,000 1,496,119,000 1,565,180,000 1,632,849,000 1,659,164,000 1,494,604,000                                                          
        noncontrolling interest
      6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 6,063,000 5,354,000 5,354,000 5,354,000 5,354,000 5,354,000                                                          
        total equity
      1,112,755,000 1,076,663,000 913,731,000 848,124,000 779,128,000 720,322,000 704,041,000 657,095,000 629,143,000 634,083,000 572,335,000 551,482,000 526,306,000 525,804,000 477,298,000 476,728,000 502,055,000 511,024,000 549,097,000 562,732,000 548,345,000 558,157,000 559,419,000 625,409,000 636,659,000 1,075,409,000 1,303,079,000 1,359,033,000 1,391,500,000 1,415,298,000 1,501,473,000 1,570,534,000 1,638,203,000 1,664,518,000 1,499,958,000                                                          
        total liabilities and equity
      2,643,195,000 2,667,254,000 2,539,318,000 2,327,582,000 2,275,023,000 2,336,347,000 2,356,493,000 2,304,866,000 2,228,877,000 2,239,006,000 2,312,449,000 2,164,868,000 2,042,478,000 2,031,683,000 1,922,832,000 1,872,423,000 1,901,997,000 1,962,859,000 1,981,972,000 2,061,549,000 2,003,524,000 2,045,842,000 2,037,700,000 2,128,784,000 2,165,097,000 2,740,663,000 2,885,692,000 2,938,635,000 2,971,518,000 2,824,998,000 2,923,699,000 2,902,748,000 2,928,681,000 3,023,950,000 3,144,683,000                                                          
        current portion of long-term debt
                131,630,000                                                     20,000,000                           4,800,000 4,800,000 
        other non-current assets
                                  191,504,000 202,318,000 240,185,000 273,151,000 256,449,000 316,745,000 363,783,000 279,105,000 275,323,000 270,911,000 263,042,000 254,922,000 256,418,000 218,440,000 215,963,000 170,349,000 125,713,000 128,231,000 124,185,000 134,235,000 126,564,000 124,646,000 123,832,000 134,280,000 135,851,000 134,184,000 130,088,000 145,319,000 146,308,000 140,036,000                                   
        right-of-use operating lease asset
                                  182,311,000                                                                
        prepaid expenses
                                       64,901,000                                                           
        liabilities and shareholders' equity
                                                                                                  
        shareholders’ equity:
                                                                                                  
        total shareholders' equity
                                         1,491,145,000 1,489,133,000 1,516,643,000 1,571,780,000 1,591,637,000 1,611,648,000 1,578,734,000 1,588,916,000 1,598,164,000 1,583,672,000 1,657,620,000 2,018,873,000 2,172,630,000 2,090,360,000 2,043,440,000 1,977,557,000 1,874,537,000 1,834,074,000 1,815,460,000 1,734,236,000 1,624,648,000 1,611,955,000 1,557,962,000                                   
        total liabilities and shareholders' equity
                                         3,091,801,000 3,090,996,000 3,130,315,000 3,237,570,000 3,319,204,000 3,364,173,000 3,429,536,000 3,420,630,000 3,468,334,000 3,353,943,000 3,511,701,000 3,391,455,000 3,383,184,000 3,212,613,000 3,128,500,000 3,028,526,000 2,862,840,000 2,771,621,000 2,768,118,000 2,696,852,000 2,524,864,000 2,454,512,000 2,400,544,000                                   
        shareholders' equity:
                                                                                                  
        accumulated other comprehensive income
                                           -302,664,000    -300,363,000    -183,041,000 -95,861,000 -43,119,000 -38,492,000 -52,577,000 -42,841,000 -60,347,000 -20,654,000 17,846,000 -218,000 -40,635,000 -15,400,000 -27,191,000    -8,960,000    -13,566,000    -68,716,000    39,849,000    18,719,000    2,260,000    16,228,000   3,980,000   -9,605,000 
        income taxes payable
                                            23,481,000 1,157,000 10,880,000 20,395,000 48,596,000 58,119,000 49,624,000 65,189,000 71,772,000 96,066,000 82,262,000 80,828,000 79,292,000 55,247,000 85,344,000 78,393,000 62,457,000 59,163,000 46,730,000 54,833,000 49,659,000 42,272,000 34,470,000 39,874,000 49,857,000 54,792,000 53,491,000 46,359,000 40,895,000 32,367,000 24,629,000 20,781,000 32,078,000 27,903,000 33,036,000 26,386,000 41,376,000 35,120,000 29,074,000 28,856,000 34,231,000 27,766,000 24,531,000 16,193,000 15,061,000 10,624,000 10,731,000 10,798,000 13,801,000 12,679,000 15,436,000 18,236,000 15,960,000 15,208,000 
        investments in unconsolidated affiliates
                                                 32,164,000 31,310,000 32,624,000 33,905,000 35,138,000 36,403,000 37,462,000 38,669,000 39,501,000 41,072,000 42,619,000 43,835,000 44,921,000 46,639,000 49,607,000    51,820,000 53,025,000 54,340,000 56,950,000 58,736,000 59,488,000 60,676,000 61,961,000 63,930,000 64,560,000 65,528,000 64,804,000 64,655,000 64,632,000 64,522,000 64,675,000 64,496,000 64,347,000 64,469,000 63,807,000 61,598,000 62,446,000 61,330,000 58,363,000 55,615,000 56,744,000 55,459,000 54,632,000    
        investment in medusa spar llc
                                                                49,313,000 50,767,000 50,770,000                                
        other
                                                                95,539,000 80,560,000 71,587,000 65,577,000 60,103,000 50,808,000 54,303,000 50,231,000 47,461,000 43,074,000 40,197,000 42,249,000 43,201,000 45,696,000 47,536,000 153,069,000 45,861,000 38,579,000 43,721,000 99,872,000 42,452,000 40,456,000 41,297,000 77,450,000 37,408,000 37,037,000 23,453,000 64,237,000 18,732,000 17,954,000 64,909,000   45,468,000 
        liabilities and shareholders’ equity
                                                                                                  
        shareholders’ equity
                                                                1,516,682,000 1,506,367,000 1,455,745,000  1,337,535,000 1,253,251,000 1,257,155,000  1,173,931,000 1,101,964,000 1,022,439,000  981,309,000 1,022,453,000 966,947,000  869,098,000 793,034,000   652,296,000 611,030,000 568,495,000  517,351,000 482,579,000   423,845,000 395,793,000  339,250,000 308,931,000  
        total liabilities and shareholders’ equity
                                                                2,142,962,000 2,160,461,000 2,093,590,000 2,030,506,000 1,938,336,000 1,875,747,000 1,928,702,000 1,880,287,000 1,790,640,000 1,727,195,000 1,661,636,000 1,670,020,000 1,736,711,000 1,702,533,000 1,623,487,000 1,531,440,000 1,575,765,000 1,452,836,000 1,336,216,000 1,242,022,000 1,193,880,000 1,138,033,000 1,061,966,000 989,568,000 950,869,000 913,688,000 840,042,000 819,664,000 791,855,000 756,806,000 662,856,000 631,774,000 601,685,000 590,348,000 
        total shareholders’ equity
                                                                   1,390,215,000    1,224,323,000    967,654,000    915,310,000    696,764,000    536,118,000    454,437,000   359,375,000   313,865,000 
        for doubtful accounts of 1,463 and 1,492
                                                                          400,371,000                        
        inventory and other current assets
                                                                           289,786,000 318,245,000 305,293,000 291,097,000 272,847,000 278,135,000 244,789,000 210,881,000 182,162,000               
        property and equipment, at cost:
                                                                                                  
        marine services equipment
                                                                               754,158,000    635,490,000    493,054,000    460,852,000   383,184,000   355,523,000 
        mobile offshore production equipment
                                                                               167,437,000    152,854,000    146,751,000    148,683,000   143,489,000   138,356,000 
        manufacturing facilities
                                                                               172,598,000    151,826,000    125,003,000    111,897,000   58,517,000   49,173,000 
        property and equipment, at cost: - sum
                                                                               1,247,262,000    1,040,042,000    842,258,000    785,669,000   650,099,000   588,520,000 
        commitments and contingencies shareholders’ equity
                                                                                  732,683,000        467,128,000        
        inventory and other
                                                                                    158,996,000 147,744,000 119,106,000 98,428,000           
        less: accumulated depreciation
                                                                                    491,362,000 473,659,000 451,078,000  422,674,000 405,785,000 396,935,000  -362,656,000 -350,741,000  301,637,000 277,780,000  
        revenue in excess of amounts billed
                                                                                       25,453,000    15,201,000   11,265,000   4,719,000 
        prepaid expenses and other
                                                                                        87,821,000 80,495,000 59,226,000 53,973,000 63,100,000 60,284,000 55,163,000 52,577,000 45,714,000 42,757,000 
        other assets
                                                                                               22,742,000 19,470,000  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2003-12-31 2003-03-31 
                                                                                                 
          cash flows from operating activities:
                                                                                                 
          net income
        36,107,000 177,653,000 71,289,000 54,442,000 50,377,000 56,099,000 41,237,000 34,997,000 15,135,000 44,529,000 29,812,000 19,002,000 4,060,000 23,128,000 18,303,000 3,720,000 -19,210,000 -38,813,000 -7,370,000 6,241,000 -9,365,000 -25,000,000 -79,365,000 -24,788,000 -367,598,000 -262,912,000 -25,523,000 -35,182,000 -24,827,000 -64,139,000 -65,979,000 -33,076,000 -49,133,000 173,568,000 -1,768,000 2,132,000 -7,534,000 -11,028,000 -11,798,000 22,309,000 25,103,000 27,505,000 68,539,000 65,468,000 69,499,000 102,471,000 124,338,000 110,295,000 91,225,000 93,433,000 104,407,000 98,811,000 74,849,000 80,602,000 84,406,000 72,554,000 51,455,000 58,317,000 78,578,000 56,693,000 42,070,000 47,794,000 59,177,000 54,317,000 39,243,000 46,058,000 49,839,000 48,111,000 44,345,000 51,009,000 54,975,000 52,123,000 41,279,000 45,482,000 53,853,000 47,873,000 33,166,000 29,844,000 38,547,000 30,601,000 25,502,000 19,701,000 17,714,000 14,673,000 10,592,000 11,712,000 12,846,000 6,142,000 6,035,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                 
          depreciation and amortization
        27,171,000 26,284,000 26,123,000 25,400,000 24,448,000 25,142,000 25,263,000 25,980,000 27,058,000 25,497,000 25,596,000 26,046,000 27,821,000  30,249,000 30,860,000 32,019,000          50,567,000 50,304,000 52,486,000  50,703,000 59,843,000 54,128,000 53,039,000 53,513,000 53,304,000 53,663,000 56,287,000 74,200,000 59,979,000 59,781,000 57,727,000 62,022,000 63,483,000 58,003,000 60,750,000 59,621,000 56,057,000 53,351,000 51,255,000 50,948,000 50,173,000 49,852,000 49,410,000 44,839,000 41,646,000 40,588,000 38,479,000 39,603,000 37,708,000 35,437,000 39,468,000    33,433,000 31,798,000 29,691,000 28,023,000  27,967,000 27,541,000 26,499,000 25,110,000 24,533,000 22,386,000 21,747,000 21,517,000 20,594,000 18,750,000 19,595,000 24,740,000 18,683,000 17,961,000 18,229,000 17,173,000 16,484,000 14,810,000 13,746,000 
          deferred income tax provision
        3,568,000 -136,566,000 -2,269,000 -1,874,000 106,000 -9,410,000 1,067,000 -1,453,000 -1,497,000 -25,655,000 -259,000 -370,000 -501,000 226,000 463,000 308,000 -168,000 3,000 2,471,000 -3,136,000 -1,136,000 4,053,000 317,000 -123,000 -8,405,000 -4,097,000 -4,485,000 -779,000 -2,907,000 -15,109,000 50,055,000 -25,853,000 2,819,000 -209,948,000 -1,294,000   6,802,000 -7,465,000 1,150,000 -389,000 13,310,000 15,241,000 -16,365,000 16,904,000 24,725,000 28,289,000 10,601,000 7,102,000 10,276,000 1,559,000 38,054,000 1,911,000 11,180,000 14,711,000 257,000 -5,494,000 7,219,000 -3,541,000 -475,000 4,299,000 25,726,000 5,186,000 -2,068,000 2,340,000 5,428,000 -1,637,000 6,514,000 11,326,000                     
          inventory write-downs
         461,000 4,616,000 10,353,000                                                                                   
          net loss on sales of property and equipment
        -26,000  -1,887,000 -433,000 -188,000  2,997,000 -28,000 -11,000  -9,000    427,000 -2,792,000 -36,000    152,000       -1,581,000 -11,000   823,000 37,000  109,000 -231,000 551,000         76,000    344,000                                        
          noncash compensation
        5,208,000 3,476,000 3,898,000 3,673,000 3,708,000 3,399,000 3,194,000 2,981,000 3,233,000 2,818,000 2,425,000 3,489,000 3,325,000 2,957,000 2,362,000 2,479,000 2,572,000 2,907,000 2,914,000 2,026,000 3,161,000 2,429,000 -51,000 3,187,000 3,116,000 3,230,000 2,367,000 2,855,000 2,980,000 3,058,000 2,577,000 3,173,000 2,812,000 664,000 3,144,000 3,992,000 3,718,000 4,141,000 1,988,000 3,891,000 4,667,000 4,601,000 4,062,000 4,542,000 4,084,000 4,137,000 5,077,000 5,724,000 5,096,000 4,834,000 4,911,000 5,148,000 4,487,000 4,028,000 4,189,000 4,136,000 4,089,000 3,437,000 3,385,000 2,897,000 2,810,000 2,133,000 2,135,000 2,148,000 2,074,000 1,501,000 1,483,000 1,799,000 1,586,000 1,955,000                    
          noncash impact of lease accounting
        418,000 634,000 -407,000 -311,000 450,000 -108,000 182,000 244,000 957,000 1,428,000 4,224,000 -270,000 -3,012,000 -1,510,000 919,000 793,000 -1,776,000 334,000 -201,000 -1,893,000 -2,542,000 -2,197,000 1,143,000 -3,628,000 647,000                                                                 
          excluding the effects of acquisitions, increase in cash from:
                                                                                                 
          accounts receivable and contract assets
        -70,957,000 150,298,000 -35,072,000 -91,000 -61,266,000 43,653,000 12,063,000 -52,197,000 -11,519,000 52,162,000 -31,791,000 -56,566,000 -46,880,000 79,291,000 -24,626,000 -57,817,000 -47,580,000 70,686,000 33,485,000 -51,456,000 -11,616,000 37,542,000 24,275,000 33,421,000 30,303,000 -69,190,000 -2,284,000 31,732,000 22,181,000                                                             
          inventory
        -6,638,000 16,551,000 7,983,000 -10,430,000 -8,280,000 18,727,000 -10,312,000 -14,391,000 -7,116,000 -1,598,000 627,000 -11,217,000 -13,235,000 -16,613,000 1,483,000 -6,984,000 -8,578,000 -5,058,000 264,000 1,479,000 10,628,000 7,287,000 4,882,000 5,913,000 8,384,000 -1,012,000 7,922,000 -3,661,000 -15,026,000 -5,391,000 -3,193,000 -916,000 -2,985,000 30,502,000 21,506,000 31,009,000 -17,515,000 17,065,000 15,338,000 9,099,000 -23,669,000 54,047,000 3,716,000 5,667,000 -4,248,000 58,791,000 7,118,000 -3,498,000 3,916,000 4,228,000 -51,143,000 -39,866,000 -23,727,000 -4,451,000 -36,689,000 -33,090,000 -1,956,000 6,494,000 5,231,000                               
          other operating assets
        -8,841,000 215,000 -14,376,000 -5,733,000 -2,019,000 16,610,000 -3,355,000 -7,243,000 -22,259,000 -15,367,000 -5,147,000 15,523,000 -13,217,000 -19,626,000 11,098,000 -9,524,000 2,948,000 -6,874,000 1,739,000 -7,691,000 -1,672,000 8,277,000 -3,578,000 10,443,000 -11,504,000 -256,000 4,634,000 10,858,000 1,010,000 7,210,000 5,904,000 -6,062,000 6,535,000 -18,001,000 -9,307,000 -4,483,000 -6,372,000 -3,933,000 9,346,000 2,986,000 45,547,000 -16,646,000 -22,099,000 2,040,000 -29,081,000 -13,505,000 24,714,000 -9,669,000 -12,737,000 -4,000,000 -5,817,000 -12,655,000 92,000 -6,328,000 -10,950,000 -2,928,000 -72,000 -19,700,000 20,223,000                               
          capitalized cloud-based service contract costs
        -6,964,000 -5,588,000 -7,161,000 -2,536,000 -1,727,000                                                                                     
          currency translation effect on working capital, excluding cash
        -1,780,000 -5,748,000 3,033,000 -1,771,000 4,558,000 -7,719,000 1,494,000 -3,089,000 -5,361,000 4,475,000 -229,000 250,000 -1,246,000 5,107,000 -1,033,000 -9,016,000 5,359,000 148,000 -2,910,000 3,438,000 -670,000 5,671,000 5,764,000 6,794,000 -9,302,000 9,908,000 -6,380,000 1,634,000 371,000 -6,864,000 5,266,000 -8,330,000 5,559,000 7,764,000 6,214,000 -7,433,000 1,472,000 -24,775,000 11,999,000 -6,655,000 10,248,000 -10,862,000 -14,883,000 11,604,000 -16,087,000                                             
          current liabilities
        -32,840,000 -3,093,000 54,073,000 7,258,000 -90,411,000 -9,934,000 14,696,000 62,895,000 -58,994,000 64,680,000 38,625,000 16,143,000 6,247,000 52,691,000 42,984,000 7,304,000 -35,726,000 48,921,000 -27,690,000 62,193,000 -20,373,000 19,564,000 -23,477,000 -32,235,000 -102,784,000 76,892,000 18,329,000 -3,611,000 -15,058,000  57,057,000 45,135,000 -41,194,000  -30,890,000 5,378,000 -30,636,000  -42,288,000 -25,544,000 -95,583,000  -39,137,000 39,767,000 -80,716,000  -42,034,000 69,342,000 -40,201,000  107,827,000 19,487,000 -24,817,000  53,127,000 36,251,000 19,802,000    -25,690,000  8,011,000 30,269,000 11,530,000  11,624,000 31,952,000 -39,483,000  -15,041,000 34,827,000 -14,601,000  32,432,000 49,261,000 6,453,000  5,491,000 18,003,000 30,556,000  23,485,000 4,163,000 3,882,000  3,577,000  -2,061,000 
          other operating liabilities
        -3,544,000 -2,174,000 -4,425,000 4,977,000 -10,827,000 -5,626,000 3,405,000 3,927,000 -9,343,000 923,000 15,734,000 8,347,000 -6,281,000 4,656,000 3,270,000 -3,312,000 -10,325,000 5,955,000 -904,000 2,411,000 -4,761,000 -1,398,000 1,520,000 -769,000 -12,822,000 1,209,000 -2,346,000 1,016,000 -2,075,000 -10,592,000 71,000 8,306,000 6,225,000 -6,894,000 -2,025,000 463,000 21,604,000 5,370,000 -1,929,000 -5,284,000 -7,644,000 -7,914,000 1,850,000 5,316,000 -13,624,000 9,869,000 3,516,000 8,921,000 -14,137,000 -373,000 1,566,000 186,000 -9,000 -352,000 -1,678,000                                   
          total adjustments to net income
        -95,225,000 43,476,000 29,974,000 22,745,000 -131,095,000 72,278,000 50,694,000 17,626,000 -84,852,000 108,286,000 49,796,000 1,449,000 -46,979,000 136,338,000 67,596,000 -47,701,000 -61,291,000 178,808,000 43,866,000 44,305,000 7,642,000 129,284,000 106,360,000 62,306,000 335,448,000 308,314,000 64,981,000 88,767,000 43,951,000 65,050,000 85,950,000 43,143,000 54,751,000 -181,104,000 43,178,000 41,467,000 66,539,000 88,800,000 128,888,000 69,727,000 28,521,000 159,843,000 104,057,000 126,902,000 -61,405,000 235,145,000 -14,673,000 81,832,000 -8,871,000 70,514,000 30,080,000 10,865,000 45,912,000 67,822,000 19,663,000 -32,592,000 94,984,000 84,063,000 -17,875,000 -20,089,000 6,815,000 92,061,000 47,642,000 51,010,000 50,606,000 59,700,000 55,139,000 73,879,000 41,163,000 62,613,000 -34,708,000 16,657,000 3,966,000 53,988,000 6,105,000 -2,468,000 -29,124,000 22,620,000 -193,000 -20,935,000 25,258,000 14,209,000 -1,599,000 5,946,000 12,659,000 27,398,000 21,651,000 37,373,000 15,939,000 
          net cash from operating activities
        -59,118,000 221,129,000 101,263,000 77,187,000 -80,718,000 128,377,000 91,931,000 52,623,000 -69,717,000 152,815,000 79,608,000 20,451,000 -42,919,000 159,466,000 85,899,000 -43,981,000 -80,501,000 139,995,000 36,496,000 50,546,000 -1,723,000 104,284,000 26,995,000 37,518,000 -32,150,000 45,402,000 39,458,000 53,585,000 19,124,000 911,000 19,971,000 10,067,000 5,618,000 -7,536,000 41,410,000 43,599,000 59,005,000 77,772,000 117,090,000 92,036,000 53,624,000 187,348,000 172,596,000 192,370,000 8,094,000 337,616,000 109,665,000 192,127,000 82,354,000 163,947,000 134,487,000 109,676,000 120,761,000 148,424,000 104,069,000 39,962,000 146,439,000 142,380,000 60,703,000 36,604,000 48,885,000 139,855,000 106,819,000 105,327,000 89,849,000 105,758,000 104,978,000 121,990,000 85,508,000 113,622,000 20,267,000 68,780,000 45,245,000 99,470,000 59,958,000 45,405,000 4,042,000 52,464,000 38,354,000 9,666,000 50,760,000 33,910,000 16,115,000 20,619,000 23,251,000 39,110,000 34,497,000 43,515,000 21,974,000 
          capital expenditures
        -17,405,000 -30,440,000 -24,215,000 -30,272,000 -26,088,000 -33,874,000 -24,886,000 -22,858,000 -25,518,000 -34,045,000 -25,945,000 -22,428,000 -18,308,000 -25,949,000 -19,280,000 -16,495,000 -19,319,000 -14,383,000 -12,488,000 -12,629,000 -10,699,000 -14,847,000 -7,980,000 -10,631,000 -27,229,000 -18,837,000 -57,985,000 -40,898,000 -29,964,000 -25,548,000 -30,389,000 -27,798,000 -25,732,000 -33,780,000 -18,600,000 -23,493,000 -17,807,000 -29,003,000 -30,445,000 -31,738,000 -21,206,000 -60,762,000 -44,428,000 -45,368,000 -49,412,000 -85,395,000 -79,788,000 -117,662,000 -104,038,000 -113,952,000 -93,264,000 -81,138,000 -94,177,000 -84,050,000 -64,957,000 -68,174,000 -83,417,000 -71,602,000 -55,222,000 -54,345,000 -53,859,000 -58,675,000 -36,199,000 -29,970,000 -54,953,000 -44,711,000 -45,387,000 -53,850,000 -55,199,000 -45,555,000 -41,309,000 -59,584,000 -50,692,000 -65,402,000 -37,134,000 -44,307,000 -45,508,000 -64,314,000 8,032,000 -19,815,000 -19,930,000 -28,853,000 -19,433,000 -12,377,000 -8,355,000 
          free cash flows
        -76,523,000 190,689,000 77,048,000 46,915,000 -106,806,000 94,503,000 67,045,000 29,765,000 -95,235,000 118,770,000 53,663,000 -1,977,000 -61,227,000 133,517,000 66,619,000 -60,476,000 -99,820,000 125,612,000 24,008,000 37,917,000 -12,422,000 89,437,000 19,015,000 26,887,000 -59,379,000 26,565,000 -18,527,000 12,687,000 -10,840,000 -24,637,000 -10,418,000 -17,731,000 -20,114,000 -41,316,000 22,810,000 20,106,000 41,198,000 48,769,000 86,645,000 60,298,000 32,418,000 126,586,000 128,168,000 147,002,000 -41,318,000 252,221,000 29,877,000 74,465,000 -21,684,000 49,995,000 41,223,000 28,538,000 26,584,000 64,374,000 39,112,000 -28,212,000 63,022,000 70,778,000 5,481,000 -17,741,000 -4,974,000 139,855,000 106,819,000 46,652,000 53,650,000 75,788,000 50,025,000 77,279,000 40,121,000 59,772,000 -34,932,000 68,780,000 -310,000 99,470,000 18,649,000 -14,179,000 -46,650,000 -12,938,000 1,220,000 -34,641,000 5,252,000 -30,404,000 24,147,000 804,000 3,321,000 10,257,000 15,064,000 31,138,000 13,619,000 
          cash flows from investing activities:
                                                                                                 
          purchases of property and equipment
        -17,405,000 -30,440,000 -24,215,000 -30,272,000 -26,088,000 -33,874,000 -24,886,000 -22,858,000 -25,518,000 -34,045,000 -25,945,000 -22,428,000 -18,308,000 -25,949,000 -19,280,000 -16,495,000 -19,319,000 -14,383,000 -12,488,000 -12,629,000 -10,699,000 -14,847,000 -7,980,000 -10,631,000 -27,229,000 -18,837,000 -57,985,000 -40,898,000 -29,964,000 -25,548,000 -30,389,000 -27,798,000 -25,732,000 -33,780,000 -18,600,000 -23,493,000 -17,807,000 -29,003,000 -30,445,000 -31,738,000 -21,206,000 -60,762,000 -44,428,000 -45,368,000 -49,412,000 -85,395,000 -79,788,000 -117,662,000 -104,038,000 -113,952,000 -93,264,000 -81,138,000 -94,177,000 -84,050,000 -64,957,000 -68,174,000 -83,417,000 -71,602,000 -55,222,000 -54,345,000 -53,859,000   -58,675,000 -36,199,000 -29,970,000 -54,953,000 -44,711,000 -45,387,000 -53,850,000 -55,199,000                   
          proceeds from sale of property and equipment
        36,000 825,000   520,000    7,834,000 9,000   51,000 2,837,000 3,549,000 36,000 2,972,000 213,000 1,780,000 2,136,000  415,000 1,219,000 118,000                                                                 
          other investing activities
        2,040,000 1,900,000 -351,000 1,087,000 1,263,000 -400,000 332,000 1,083,000 900,000 -3,569,000 1,346,000               -10,227,000 202,000  -9,763,000 13,979,000 -14,993,000                                                     
          net cash from investing activities
        -15,329,000 -27,715,000 -16,512,000 -27,701,000 -24,305,000 -60,923,000 -20,037,000 -20,006,000 -23,205,000 -29,780,000 -19,707,000 -21,176,000 -15,690,000 -25,733,000 -16,037,000 -15,812,000 -19,283,000 -11,221,000 -10,779,000 -7,150,000 -5,007,000 -13,876,000 -3,397,000 -8,611,000 -26,706,000 -14,741,000 -51,927,000 -38,205,000 -29,914,000 -16,398,000 12,329,000 -2,424,000 -92,349,000 -33,271,000 -38,504,000 -9,524,000 -30,736,000 -52,089,000 -40,182,000 -39,723,000 -37,477,000 -52,103,000 -62,496,000 -274,335,000 -48,246,000 -83,848,000 -78,228,000 -155,975,000 -101,421,000 -112,283,000 -92,840,000 -79,553,000 -92,969,000 -84,042,000 -61,595,000 -68,085,000 -92,322,000 -307,206,000 -11,800,000 -56,267,000 -107,498,000 -42,886,000 -58,984,000 -56,207,000 -33,819,000 -25,841,000 -54,924,000 -37,505,000 -44,216,000 -53,550,000 -51,167,000 -55,045,000 -86,629,000 -55,375,000 -66,425,000 -57,944,000 -47,110,000 -58,958,000 -38,243,000 -44,307,000 -45,508,000 -44,623,000 -12,256,000 -62,657,000 -19,722,000 -31,133,000 -36,280,000 -55,627,000 -37,237,000 
          cash flows from financing activities:
                                                                                                 
          employer tax withholding on settlement of shares
        -8,794,000 194,000 11,000 121,000 -5,607,000 128,000 -166,000 498,000 -7,344,000                                                                                 
          purchases of treasury stock
         -10,052,000 -10,104,000 -10,106,000 -10,008,000 -10,056,000                                    -44,655,000 -55,804,000              -25,060,000                        1,000 -11,071,000 
          net cash from financing activities
        -8,794,000 -9,858,000 -10,093,000 -9,985,000 -15,615,000 -9,929,000 -10,111,000 454,000 -7,456,000 -222,161,000 204,000 -404,000 -4,936,000 200,000 140,000 -2,202,000 -36,945,000 -32,453,000 -30,478,000 -1,806,000 26,000 222,000 -279,000 -1,668,000 21,000 362,000 -344,000 -2,338,000 121,000 29,000 -22,000 -5,756,000 70,000 -14,464,000 -14,895,000 -16,633,000 -14,709,000 -26,477,000 -26,476,000 -29,480,000 -25,725,000 -26,418,000 -21,316,000 -83,542,000 110,720,000 -60,175,000 -39,161,000 33,976,000 -62,583,000 -58,608,000 -38,803,000 -20,351,000 -47,471,000 -24,424,000 -13,781,000 -32,767,000 104,860,000 -33,713,000 -16,280,000 255,000 -44,284,000 -124,460,000 1,658,000 1,000,000 -18,013,000 -59,887,000 -27,697,000 -74,000,000 27,199,000 -16,159,000 45,527,000 -60,487,000 23,957,000 12,360,000 43,031,000 -942,000 8,596,000 20,212,000 7,826,000 1,188,000 -2,424,000 46,799,000 9,327,000 -17,487,000 12,942,000 9,451,000 -11,125,000 
          effect of exchange rates on cash
        1,837,000 -674,000 -2,714,000 12,563,000 5,106,000 -11,867,000 7,202,000 -4,895,000 -6,491,000 4,265,000 -7,697,000 171,000 -223,000 7,505,000 -10,967,000 -9,954,000 1,891,000 -1,440,000 -1,626,000 426,000 -737,000 2,805,000 1,448,000 -2,579,000 -5,671,000 2,650,000 -3,408,000 -961,000 632,000 2,475,000 -4,720,000 -2,990,000 -2,919,000 -1,328,000 1,600,000 643,000 687,000 -2,406,000 -1,996,000 -3,500,000 -1,049,000 4,560,000 -3,157,000 -10,601,000 -2,508,000                                             
          net increase in cash and cash equivalents
        -81,404,000 182,882,000 71,944,000 52,064,000 -115,532,000 45,658,000 68,985,000 28,176,000 -106,869,000 -94,861,000 52,408,000 -958,000 -63,768,000 141,238,000 59,095,000 -69,607,000 -100,095,000 90,389,000 -8,362,000 13,344,000 -9,273,000 93,239,000 25,268,000 26,049,000 -66,195,000 33,332,000 -15,515,000 14,075,000 -12,496,000 -12,891,000 27,609,000 4,631,000 -95,406,000 -42,065,000 -9,958,000 19,823,000 12,323,000 8,568,000 48,435,000   114,080,000 80,525,000 -113,882,000 -126,202,000   -3,009,000 14,909,000    7,441,000    21,350,000   -35,943,000 -58,358,000 96,969,000 3,551,000 -75,340,000 57,688,000 80,917,000 32,041,000 24,598,000 13,595,000 -13,928,000 -3,701,000 -2,424,000 4,143,000 -16,392,000   -37,000 -7,436,000 8,707,000 -14,429,000 13,078,000 -9,525,000 1,435,000 4,761,000 12,856,000   -2,661,000 -26,388,000 
          cash and cash equivalents—beginning of period
        688,874,000 497,516,000 461,566,000 568,745,000 538,114,000 452,016,000 373,655,000 354,259,000 430,316,000 450,193,000 385,235,000 430,714,000 91,430,000 120,549,000 106,142,000                                66,201,000 
          cash and cash equivalents—end of period
        607,470,000 182,882,000 71,944,000 52,064,000 381,984,000 45,658,000 68,985,000 28,176,000 354,697,000 -94,861,000 52,408,000 -958,000 504,977,000 141,238,000 59,095,000 -69,607,000 438,019,000 90,389,000 -8,362,000 13,344,000 442,743,000 93,239,000 25,268,000 26,049,000 307,460,000 33,332,000 -15,515,000 14,075,000 341,763,000 -12,891,000 27,609,000 4,631,000 334,910,000 -42,065,000 -9,958,000 19,823,000 462,516,000 8,568,000 48,435,000 22,337,000 370,853,000 114,080,000 80,525,000 -113,882,000 304,512,000 356,122,000 -28,738,000 -3,009,000 106,339,000 -10,919,000 -16,961,000 -8,680,000 127,990,000 16,911,000 18,050,000 -41,904,000 127,492,000                                39,813,000 
          net loss on sales of property and equipment and other
                         -1,549,000 457,000                                                                       
          business acquisitions, net of cash acquired
                                     -173,000 -68,398,000    -27,621,000    5,961,000     796,000    -9,260,000 -237,396,000 5,337,000 -3,925,000 -55,633,000                      -20,288,000 -42,842,000 208,000     
          proceeds from redemption of investments in angolan bonds
                         2,125,000 2,361,000                                                                     
          purchase of angolan bonds
                                                                                                
          proceeds from sale of equity investment
             500,000                                                                                    
          distributions of capital from unconsolidated affiliates
           1,769,000 1,413,000 1,248,000 1,272,000 165,000 406,000   190,000 1,496,000 417,000 1,195,000 833,000 4,168,000 801,000 405,000 993,000 1,331,000   793,000 1,579,000 1,132,000 717,000 707,000 1,362,000 1,182,000 1,828,000 2,098,000 2,698,000 1,264,000 947,000 1,054,000 1,238,000 1,239,000 1,271,000 1,024,000 677,000 850,000 1,568,000 1,184,000                                     
          repurchase of 2024 senior notes
                         -36,990,000 -32,510,000                                                                       
          net proceeds from issuance of 6.000% senior notes, net of issuance costs
                                     -63,000 295,879,000                                                         
          other financing activities
              45,000 -44,000 -112,000 168,000 204,000 -404,000 -4,936,000 200,000 140,000 -2,202,000 45,000 57,000 22,000 -1,806,000 26,000 222,000 -279,000 -1,668,000 21,000 362,000 -344,000 -2,338,000 121,000 29,000 41,000 -1,635,000  277,000 -155,000 -1,894,000                                                     
          proceeds from maturity of angolan bonds
                                                                                                 
          provision for evergrande loss
                                                                                                 
          depreciation and amortization, including goodwill impairment
                         33,786,000 34,241,000 35,225,000 36,471,000 46,450,000 87,551,000 38,698,000 356,196,000                                                                 
          loss on impairment of long-lived assets
                             1,682,000 68,763,000                                                                 
          proceeds from interest rate swaps
                             12,840,000                                                                 
          net loss on sales of property and equipment and cost method investment
                             -76,000 976,000 605,000 16,000 -2,729,000                                                                
          proceeds from redemption of investments
                                                                                                 
          dispositions of property and equipment
                                   1,629,000 50,000      5,000    1,241,000 395,000 1,581,000  199,000 65,000 112,000  321,000 204,000 1,593,000  11,429,000 17,000 24,000      38,085,000 2,003,000 1,994,000  10,393,000 3,484,000 16,000 4,129,000 29,000 7,206,000 1,171,000                     
          repayment of term loan facility
                                     -300,000,000                                                         
          proceeds from sale of property and equipment and cost method investment
                                 3,103,000    1,342,000                                                            
          cash dividends
                                         -14,741,000 -14,740,000 -14,739,000 -14,709,000 -26,477,000 -26,476,000 -26,476,000 -26,418,000 -26,418,000 -26,661,000 -26,957,000     -23,803,000 -23,804,000 -23,803,000 -19,475,000 -19,423,000 -19,424,000 -19,423,000 -16,245,000                                 
          net loss on dispositions of property and equipment and cost method investment
                                                                                                 
          accounts receivable
                                     -1,446,000 -73,117,000 -32,976,000 20,815,000 -12,357,000 2,208,000 -36,704,000 59,997,000 20,675,000 36,701,000 30,088,000 35,572,000 80,439,000 93,098,000 1,792,000 3,467,000 144,010,000 -79,220,000 -57,025,000 -16,247,000 -21,176,000 -86,999,000 -41,929,000 48,192,000 2,913,000 -54,566,000 -74,519,000 31,935,000 2,124,000 -37,193,000 -46,215,000 -18,253,000 34,244,000 -21,609,000 3,264,000 -3,795,000 -9,060,000 -19,969,000 -5,751,000 46,348,000 -303,000 -35,238,000 -38,993,000 2,631,000 44,970,000 -19,384,000 -47,204,000 -33,739,000  -17,337,000 -32,833,000 -6,598,000  -22,542,000 -2,618,000 -150,000  2,090,000  1,499,000 
          accounts payable and accrued liabilities
                                                                                                 
          income taxes payable
                                                                                                 
          proceeds from maturities and redemption of investments in angola bonds
                                                                                                 
          purchase of angola bonds
                                     181,000                                                            
          proceeds from redemption of investments in angola bonds
                                                                                                 
          dispositions of property and equipment and life insurance proceeds
                                            1,357,000                                                     
          net loss on dispositions of property and equipment
                                                                                                 
          other investments
                                             688,000 -9,660,000 -10,208,000 -19,950,000                                                
          net proceeds of bank credit facilities, net of new loan costs
                                                                                                 
          deferred income tax benefit
                                            -19,943,000                                                     
          net proceeds of 4.65% senior notes, net of issuance costs
                                                                                                 
          excess tax benefits (deficiencies) from employee benefit plans
                                                                                                 
          net gain on sales of property and equipment
                                              508,000 17,000 -9,000   31,000 -107,000   961,000 -1,305,000                                         
          proceeds of term loan
                                                                                                
          net tax deficiency from employee benefit plans
                                              -3,004,000                                                 
          subsea bop control systems inventory write-down
                                                                                                
          net decrease in cash and cash equivalents
                                                -14,382,000          -16,961,000    18,050,000                                11,159,000   
          distributions from unconsolidated affiliates greater than earnings
                                                             1,216,000 1,086,000 1,718,000 2,968,000                                 
          dispositions of property and equipment and equity investment
                                                             8,000 3,362,000 89,000 355,000                                 
          excess tax benefits from employee benefit plans
                                                     849,000 3,083,000                                         
          net proceeds of revolving credit facility
                                                      170,000,000 -10,000,000 90,000,000                                         
          net excess tax benefit (deficiency) from employee benefit plans
                                                  -781,000                                             
          distributions of prior earnings of unconsolidated affiliates
                                                                                                 
          currency translation effect on working capital
                                                      -20,857,000 418,000 6,291,000 -3,639,000 7,099,000 -7,696,000 -10,431,000 8,361,000 6,028,000 -3,727,000 656,000 -3,204,000 -10,005,000 372,000 2,248,000 1,713,000 7,787,000 -1,760,000 -1,221,000 -603,000 1,895,000 13,722,000 1,201,000 -28,077,000                    
          payments of dividends
                                                      -28,757,000 -29,161,000 -23,841,000                                         
          repurchases of treasury stock
                                                      -201,418,000 -35,266,000                                         
          distributions of accumulated earnings of unconsolidated affiliates
                                                                                                 
          net proceeds from revolving credit facility, including new loan costs
                                                                                                 
          distributions from unconsolidated affiliates in excess of earnings
                                                          -18,000 3,000 363,000                                     
          net payments of revolving credit facility, including loan costs
                                                          -34,804,000 -15,000,000 -4,000,000                                     
          excess tax benefits from stock-based compensation
                                                          3,124,000 -2,048,000 4,523,000 1,065,000 255,000 776,000 965,000 304,000 1,719,000 67,000 433,000 5,032,000 1,387,000 351,000 2,354,000 4,603,000 897,000 169,000 2,090,000            
          gain on sales of property and equipment
                                                           -40,000 -1,000  -434,000 -69,000 -94,000              -1,147,000 -3,023,000 -1,001,000                
          payments of 6.72% senior notes
                                                                                             
          proceeds from issuance of common stock
                                                                     693,000 696,000 268,000 46,000 870,000 596,000 954,000 176,000 159,000 1,455,000 3,404,000 259,000 2,968,000 249,000 3,776,000 1,327,000 2,483,000 12,870,000 4,091,000 3,618,000 6,751,000 9,231,000 2,214,000 1,146,000 
          net proceeds of revolving credit facility, including new loan costs
                                                              -5,000,000                                   
          other long-term liabilities
                                                                2,562,000    3,207,000 5,184,000 3,673,000 -1,335,000 324,000 2,653,000 4,044,000 4,698,000 -3,312,000 -32,873,000 13,863,000 7,213,000 6,518,000 1,340,000 -3,568,000 -992,000 7,230,000 6,685,000 4,089,000 31,000 3,964,000 3,204,000 -1,744,000 4,277,000 -1,337,000 3,911,000 526,000 -5,102,000 511,000 
          net payments of revolving credit facility, including new loan costs
                                                                -21,045,000                                 
          net proceeds from revolving credit facility
                                                                            -4,000,000                     
          payments of term loan
                                                                                                
          gain on dispositions of property and equipment
                                                                  -17,763,000                               
          distributions from medusa spar llc greater than earnings
                                                                  1,454,000 3,000 1,050,000  1,315,000                           
          operating liabilities
                                                                  -19,269,000                               
          disposition of equity method investment
                                                                                                
          net payments of revolving credit
                                                                                                
          cash dividends paid
                                                                  -16,222,000                               
          cash and cash equivalents — beginning of period
                                                                  245,219,000  162,351,000  11,200,000  27,110,000  26,228,000  26,308,000        
          cash and cash equivalents — end of period
                                                                  15,190,000 -35,943,000 186,861,000  3,551,000 -75,340,000 220,039,000  32,041,000 24,598,000 24,795,000  -3,701,000 -2,424,000 31,253,000  17,490,000 -179,000 26,191,000  8,707,000 -14,429,000 39,386,000  1,435,000       
          loss on dispositions of property and equipment
                                                                    -1,100,000  230,000                           
          inventory and other current assets
                                                                    4,162,000 -12,170,000 5,596,000 -16,653,000 1,571,000 2,088,000 27,708,000 -7,709,000 -8,014,000 29,430,000 -12,952,000 -14,196,000 -18,250,000 5,289,000 -33,346,000 -33,908,000 -28,719,000 -23,166,000 -11,252,000 -28,638,000 -20,678,000         
          other assets
                                                                    -1,355,000 -4,960,000 -5,733,000 2,207,000 -759,000 -3,376,000 -4,246,000 -3,304,000 1,420,000 1,178,000 -1,387,000 4,292,000 444,000 -1,049,000 -1,608,000 4,668,000 -549,000 -1,447,000 -2,165,000 1,427,000 -2,230,000 10,998,000 -11,598,000 -309,000 207,000 -3,637,000 -964,000 -3,779,000 515,000 
          increase in cash from:
                                                                                                 
          accounts payable
                                                                                                 
          accrued liabilities
                                                                                                 
          proceeds from term loan
                                                                                                 
          purchases of property and equipment, including business acquisition in 2010
                                                                                                 
          depreciation and amortization, including impairment charge
                                                                       34,099,000 39,033,000                         
          adjustments to reconcile net income to net cashprovided by operating activities:
                                                                                                 
          loss on sales of property and equipment
                                                                        74,000  1,251,000 982,000 99,000                     
          earnings from medusa spar llc
                                                                        -565,000                         
          distributions from medusa spar llc
                                                                        2,364,000                         
          distributions from unconsolidated affiliates greater than
                                                                                                 
          (less than) earnings
                                                                                                 
          cash and cash equivalents – beginning of period
                                                                                                 
          cash and cash equivalents – end of period
                                                                                                 
          net proceeds from revolving credit, net of expenses
                                                                             96,500,000 -18,500,000 45,000,000 -63,000,000                
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                 
          distributions from medusa spar llc greater than (less than) earnings
                                                                                                 
          payments on term loan
                                                                           -60,000,000 -25,000,000                     
          adjustments to reconcile net income to net cash
                                                                                                 
          provided by operating activities:
                                                                                                 
          greater than (less than) earnings
                                                                            1,969,000                     
          excluding the effects of acquisitions,
                                                                                                 
          gain on asset sales
                                                                                                 
          distributions from unconsolidated affiliates greater than (less than) earnings
                                                                                                 
          undistributed earnings of unconsolidated affiliates
                                                                              968,000 -542,000 -331,000 -15,000 8,000 152,000 -178,000 -149,000 121,000 -661,000 -2,209,000 -335,000 -1,095,000 -3,117,000 -3,859,000     
          business acquisitions, less cash acquired
                                                                              2,806,000 -3,513,000 -42,269,000                 
          proceeds on sales of property and equipment
                                                                              1,226,000 3,165,000 1,195,000                
          noncash compensation and other
                                                                               -462,000 2,057,000 7,219,000 7,038,000 3,822,000 2,176,000 5,182,000 266,000 2,986,000 2,858,000 -796,000 538,000       
          purchases of property and equipment and other
                                                                                -45,555,000  -41,309,000 -59,584,000 -50,692,000 -65,402,000 -37,134,000 -44,307,000 -45,508,000 -64,314,000 8,032,000 -19,815,000 -19,930,000 -28,853,000 -19,433,000 -12,377,000 -8,355,000 
          business acquisitions
                                                                                 17,000            -2,868,000 -16,847,000 -691,000 -28,882,000 
          net proceeds of revolving credit and other long-term debt
                                                                                   8,059,000 42,603,000  5,000,000 15,000,000 6,000,000         
          gain on sale of vessel
                                                                                    -3,545,000             
          proceeds on sale of vessel
                                                                                    3,582,000             
          accounts receivable,net
                                                                                                 
          decrease in other investments
                                                                                                 
          excess tax benefits from stock option exercises
                                                                                       1,436,000 499,000         
          accounts receivable and revenue in excess of amounts billed
                                                                                                 
          net proceeds from revolving credit and other long-term debt, net of expenses
                                                                                                 
          prepaid expenses and other current assets
                                                                                          -7,326,000 -14,292,000 -5,252,000 1,556,000 -1,266,000 -2,386,000 868,000 
          net proceeds of revolving credit and other long-term debt, net of expenses
                                                                                                 
          net proceeds on revolving credit and other long-term debt, net of expenses
                                                                                           42,708,000 5,709,000 -24,238,000 3,711,000   
          non-cash compensation and other
                                                                                            939,000  2,489,000  861,000 
          cash and cash equivalents - beginning of period
                                                                                            16,781,000     
          cash and cash equivalents - end of period
                                                                                            29,637,000     
          undistributed earnings of unconsolidated affliates
                                                                                                 
          distributed (undistributed) earnings of unconsolidated affiliates
                                                                                              -1,285,000   
          net proceeds on revolving credit and other long-term debt, net of financing costs
                                                                                                 
          payments of revolving credit and other long-term debt
                                                                                                -1,200,000 
          decrease in other assets
                                                                                                 
          net proceeds on revolving credit and other long-term debt