7Baggers

Granite Construction Incorporated
(NYSE:GVA) 

GVA stock logo

Granite Construction Incorporated operates as an infrastructure contractor and a construction materials producer in the United States. The company operates through Transportation, Water, Specialty, and Materials segments. The Transportation segment engages in the construction and rehabilitation of r...

Founded: 1922
Full Time Employees: 7,000
Sector: Industrials
Industry: Engineering & Construction

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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 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-06-30 2002-03-31 
                                                                                                   
      revenue
    912,465,000 1,165,370,000 1,433,498,000 1,125,964,000 699,547,000                                                                                           
      cost of revenue
    802,560,000 997,650,000 1,172,950,000 926,865,000 615,698,000                                                                                           
      gross profit
    109,905,000 167,720,000 260,548,000 199,099,000 83,849,000 150,752,000 202,949,000 164,711,000 54,285,000 94,311,000 166,643,000 103,086,000 32,359,000 69,295,000 119,935,000 98,232,000 49,775,000 5,357,000 119,935,000 116,946,000 63,318,000 106,649,000 125,997,000 88,343,000 23,799,000 142,172,000 91,432,000 -52,404,000 40,478,000 108,049,000 144,491,000 80,369,000 56,283,000 100,707,000 114,530,000 74,570,000 25,126,000 81,250,000 107,674,000 73,201,000 39,245,000 96,583,000 100,898,000 65,768,000 40,109,000 79,791,000 66,692,000 82,415,000 21,408,000 49,613,000 54,396,000 51,197,000 30,058,000 56,808,000 101,099,000 51,916,000 24,936,000 79,126,000 93,893,000 44,956,000 29,988,000 46,217,000 76,155,000 49,698,000 5,714,000 89,943,000 105,172,000 83,245,000 68,013,000 116,698,000 144,302,000 109,026,000 98,694,000 98,437,000 136,637,000 127,634,000 48,036,000 56,443,000 105,932,000 93,110,000 40,235,000 106,024,000 109,701,000 76,707,000 26,940,000 41,444,000 95,348,000 59,744,000 10,684,000    33,017,000  26,912,000 
      yoy
    31.07% 11.26% 28.38% 20.88% 54.46% 59.85% 21.79% 59.78% 67.76% 36.10% 38.94% 4.94% -34.99% 1193.54% 0.00% -16.00% -21.39% -94.98% -4.81% 32.38% 166.05% -24.99% 37.80% -268.58% -41.21% 31.58% -36.72% -165.20% -28.08% 7.29% 26.16% 7.78% 124.00% 23.95% 6.37% 1.87% -35.98% -15.88% 6.72% 11.30% -2.15% 21.04% 51.29% -20.20% 87.36% 60.83% 22.60% 60.98% -28.78% -12.67% -46.20% -1.38% 20.54% -28.21% 7.67% 15.48% -16.85% 71.21% 23.29% -9.54% 424.82% -48.62% -27.59% -40.30% -91.60% -22.93% -27.12% -23.65% -31.09% 18.55% 5.61% -14.58% 105.46% 74.40% 28.99% 37.08% 19.39% -46.76% -3.44% 21.38% 49.35% 155.82% 15.05% 28.39% 152.15%    -67.64%       
      qoq
    -34.47% -35.63% 30.86% 137.45% -44.38% -25.72% 23.22% 203.42% -42.44% -43.41% 61.65% 218.57% -53.30% -42.22% 22.09% 97.35% 829.16% -95.53% 2.56% 84.70% -40.63% -15.36% 42.62% 271.20% -83.26% 55.49% -274.48% -229.46% -62.54% -25.22% 79.78% 42.79% -44.11% -12.07% 53.59% 196.78% -69.08% -24.54% 47.09% 86.52% -59.37% -4.28% 53.42% 63.97% -49.73% 19.64% -19.08% 284.97% -56.85% -8.79% 6.25% 70.33% -47.09% -43.81% 94.74% 108.20% -68.49% -15.73% 108.86% 49.91% -35.11% -39.31% 53.24% 769.76% -93.65% -14.48% 26.34% 22.40% -41.72% -19.13% 32.36% 10.47% 0.26% -27.96% 7.05% 165.70% -14.89% -46.72% 13.77% 131.42% -62.05% -3.35% 43.01% 184.73% -35.00% -56.53% 59.59% 459.19%        
      gross margin %
    Infinity% Infinity% Infinity% Infinity% Infinity% 19.90% 15.91% 15.22% 8.07% 10.10% 14.92% 11.47% 5.78% 11.45% 11.29% 11.77% 9.09% 1.71% 11.29% 12.13% 9.45% 11.28% 11.83% 9.65% 3.74% 14.99% 8.40% -6.64% 6.53% 12.11% 13.69% 9.96% 9.99% 12.57% 11.97% 9.77% 5.36% 12.19% 13.39% 12.11% 8.93% 15.33% 13.43% 11.55% 9.54% 13.53% 9.27% 14.07% 5.64% 8.32% 7.34% 9.31% 7.94% 11.25% 13.88% 9.62% 8.04% 14.67% 12.89% 9.28% 11.68% 11.08% 11.35% 10.94% 2.59% 20.69% 14.60% 18.05% 19.58% 18.60% 16.07% 15.70% 21.70% 15.55% 16.14% 16.56% 9.85% 7.84% 11.25% 11.47% 8.11% 15.60% 12.69% 11.34% 6.40% 10.39% 13.62% 10.69% 3.17% NaN% NaN% NaN% Infinity% NaN% Infinity% 
      selling, general and administrative expenses
    140,950,000 104,118,000 101,645,000 85,887,000 115,911,000 84,467,000 91,650,000 70,052,000 87,993,000 81,987,000 74,794,000 64,563,000 73,122,000 45,210,000 77,603,000 58,628,000 58,501,000 15,683,000 77,603,000 74,069,000 75,728,000 100,752,000 82,505,000 91,682,000 78,381,000 83,404,000 73,424,000 69,998,000 81,155,000 79,439,000 70,769,000 61,316,000 61,252,000 60,085,000 49,501,000 51,388,000 61,837,000 60,267,000 54,194,000 48,705,000 56,133,000 55,965,000 50,077,000 49,094,000 52,203,000 56,090,000 47,386,000 51,098,000 49,247,000 49,248,000 46,586,000 46,454,000 57,659,000 59,825,000 41,280,000 40,806,000 43,188,000 30,319,250 39,112,000 38,793,000 43,372,000 37,784,000 47,160,000 51,357,000 55,292,000                               
      other costs
    3,037,000 2,718,000 16,019,000 13,253,000 9,426,000 10,158,000 8,543,000 10,225,000 11,010,000 12,244,000 19,843,000 13,607,000 4,523,000 -61,427,000 3,759,000 5,868,000 8,214,000 9,608,000 3,759,000 5,953,000 75,835,000                                                                           
      gain on sales of property and equipment
    -2,949,000 -14,097,000 -767,000 -3,606,000 -1,737,000 -4,417,000 -1,542,000 -1,387,000 -1,418,000 -20,553,000 -1,812,000 -3,944,000 -2,037,000 26,732,000 -5,159,000 -1,052,000 -332,000 5,568,000 -5,159,000 -31,636,000 -2,554,000 -2,060,000 -3,057,000 -1,190,000 -623,000 -4,767,000 -7,101,000 -4,935,000 -1,900,000 -2,606,000 -3,018,000 -1,505,000 -543,000 -1,352,000 -1,753,000 -807,000 -270,000 -5,994,000 -398,000 -1,366,000 -600,000 -6,196,000 -804,000 -475,000 -811,000 -22,863,000 3,004,000 2,993,000 894,000 4,477,000 3,259,000 3,306,000 1,087,000 20,954,000 1,622,000 2,954,000 1,917,000 4,217,000 5,598,000 3,270,000 2,704,000 2,331,000 3,165,000 3,800,000 4,452,000 10,291,000 1,549,000 2,808,000 2,521,000 939,000 2,008,000 2,155,000 401,000 2,290,000 2,994,000 4,346,000 713,000 891,000 1,230,000 4,049,000 4,238,000 3,579,000 2,441,000 2,189,000 26,000 1,489,000 2,638,000 1,109,000 13,330,000 1,168,000 3,018,000 232,000 296,000 415,000 216,000 
      operating income
    -31,133,000 74,981,000 143,651,000 103,565,000 -39,751,000 60,544,000 104,298,000 85,821,000 -43,300,000 20,633,000 73,818,000 28,860,000 -43,249,000 58,780,000 43,732,000 34,788,000 -16,608,000 -25,502,000 43,732,000 68,560,000 -85,691,000 7,977,000 -85,801,000 -2,149,000 -78,372,000 63,480,000 22,365,000 -126,644,000 -42,100,000 15,201,000 67,406,000 -5,729,000 -12,835,000 44,385,000 66,782,000 23,989,000 -36,441,000 28,902,000 53,878,000 25,862,000 -16,288,000 52,817,000 51,625,000 17,149,000 -11,283,000 35,425,000 22,310,000 34,310,000 -26,945,000 -47,320,000 10,595,000 8,049,000 -26,016,000 21,665,000 61,441,000 14,064,000 -16,335,000 40,137,000 60,379,000 9,433,000 -10,680,000  32,160,000 2,141,000 -45,126,000 35,637,000 46,256,000 30,384,000 16,902,000 58,449,000 74,377,000 45,421,000 38,444,000 37,658,000 75,965,000 66,850,000 -5,588,000 -4,407,000 48,602,000 48,224,000 -3,783,000 55,836,000 61,993,000 28,990,000 -11,904,000 16,597,000 53,979,000 24,939,000 -12,530,000    -3,533,000  -3,543,000 
      yoy
    -21.68% 23.85% 37.73% 20.68% -8.20% 193.43% 41.29% 197.37% 0.12% -64.90% 68.80% -17.04% 160.41% -330.49% 0.00% -49.26% -80.62% -419.69% -150.97% -3290.32% 9.34% -87.43% -483.64% -98.30% 86.16% 317.60% -66.82% 2110.58% 228.01% -65.75% 0.93% -123.88% -64.78% 53.57% 23.95% -7.24% 123.73% -45.28% 4.36% 50.81% 44.36% 49.10% 131.40% -50.02% -58.13% -174.86% 110.57% 326.26% 3.57% -318.42% -82.76% -42.77% 59.27% -46.02% 1.76% 49.09% 52.95%  87.75% 340.59% -76.33%  -30.47% -92.95% -366.99% -39.03% -37.81% -33.11% -56.03% 55.21% -2.09% -32.06% -787.97% -954.50% 56.30% 38.62% 47.71% -107.89% -21.60% 66.35% -68.22% 236.42% 14.85% 16.24% -5.00%    254.66%       
      qoq
    -141.52% -47.80% 38.71% -360.53% -165.66% -41.95% 21.53% -298.20% -309.86% -72.05% 155.78% -166.73% -173.58% 34.41% 25.71% -309.47% -34.88% -158.31% -36.21% -180.01% -1174.23% -109.30% 3892.60% -97.26% -223.46% 183.84% -117.66% 200.82% -376.96% -77.45% -1276.58% -55.36% -128.92% -33.54% 178.39% -165.83% -226.08% -46.36% 108.33% -258.78% -130.84% 2.31% 201.04% -251.99% -131.85% 58.79% -34.98% -227.33% -43.06% -546.63% 31.63% -130.94% -220.08% -64.74% 336.87% -186.10% -140.70% -33.52% 540.08% -188.32%   1402.10% -104.74% -226.63% -22.96% 52.24% 79.77% -71.08% -21.42% 63.75% 18.15% 2.09% -50.43% 13.64% -1296.31% 26.80% -109.07% 0.78% -1374.76% -106.78% -9.93% 113.84% -343.53% -171.72% -69.25% 116.44% -299.03%        
      operating margin %
    -Infinity% Infinity% Infinity% Infinity% -Infinity% 7.99% 8.18% 7.93% -6.44% 2.21% 6.61% 3.21% -7.72% 9.72% 4.12% 4.17% -3.03% -8.13% 4.12% 7.11% -12.79% 0.84% -8.06% -0.23% -12.32% 6.70% 2.06% -16.04% -6.79% 1.70% 6.39% -0.71% -2.28% 5.54% 6.98% 3.14% -7.78% 4.34% 6.70% 4.28% -3.71% 8.38% 6.87% 3.01% -2.68% 6.01% 3.10% 5.86% -7.09% -7.93% 1.43% 1.46% -6.87% 4.29% 8.43% 2.61% -5.27% 7.44% 8.29% 1.95% -4.16% 0% 4.79% 0.47% -20.45% 8.20% 6.42% 6.59% 4.87% 9.32% 8.28% 6.54% 8.45% 5.95% 8.98% 8.67% -1.15% -0.61% 5.16% 5.94% -0.76% 8.22% 7.17% 4.28% -2.83% 4.16% 7.71% 4.46% -3.72% NaN% NaN% NaN% -Infinity% NaN% -Infinity% 
      other expense:
                                                                                                   
      interest income
    -5,849,000 -8,863,000 -5,986,000 -5,761,000 -6,268,000 -6,534,000 -7,513,000 -3,600,000 -6,702,000 -6,251,000 -4,293,000 -3,232,000 -3,762,000 -5,791,000 -293,000 -162,000 -623,000 -441,000 -293,000 -188,000 -256,000 -283,000 -755,000 -767,000 -1,291,000 -1,176,000 -1,713,000 -1,728,000 -2,816,000 -1,855,000 -1,533,000 -1,173,000 -1,521,000 -1,386,000 -1,141,000 -1,164,000 -1,051,000 -801,000 -790,000 -798,000 -836,000 -574,000 -591,000 -528,000 -442,000 -3,215,000 451,000 413,000 479,000 675,000 602,000 380,000 129,000 486,000 485,000 611,000 1,044,000 583,000 476,000 575,000 1,244,000 833,000 2,110,000 1,098,000 939,000 1,135,000 744,000 1,109,000 2,061,000 3,358,000 5,439,000 3,593,000 6,055,000 6,129,000 7,514,000 6,439,000 6,843,000 7,380,000 7,055,000 4,944,000 4,733,000 4,753,000 2,693,000 1,968,000 2,159,000 3,894,000 1,353,000 1,317,000 1,398,000 1,789,000 1,145,000 2,002,000 1,486,000 1,902,000 1,990,000 
      interest expense
    16,332,000 18,172,000 13,367,000 7,927,000 7,757,000 7,863,000 7,905,000 5,337,000 8,083,000 6,563,000 4,877,000 4,131,000 2,891,000 -3,395,000 5,131,000 5,502,000 3,575,000 4,263,000 5,131,000 5,507,000 5,381,000 6,298,000 6,359,000 6,549,000 4,994,000 5,363,000 4,839,000 4,158,000 4,014,000 4,481,000 4,452,000 3,203,000 2,435,000 2,703,000 2,660,000 2,694,000 2,743,000 3,096,000 3,034,000 3,187,000 3,049,000 3,291,000 3,485,000 3,985,000 3,496,000 24,585,000 -2,488,000 -4,339,000 -3,599,000 -3,305,000 -3,736,000 -3,700,000 -3,646,000 -2,033,000 -2,561,000 -2,827,000 -3,182,000 -2,709,000 -3,418,000 -879,000 -3,356,000  -547,000 -3,013,000 -3,734,000  -4,245,000 -2,853,000 -3,488,000 -3,130,000 -5,303,000 -3,058,000 -4,510,000 -1,369,000 -1,884,000 -2,028,000 -1,086,000 -387,000 -1,319,000 -1,391,000 -1,395,000 -1,531,000 -1,734,000 -1,636,000 -2,031,000 -1,779,000 -1,813,000 -1,859,000 -1,740,000 -2,000,000 -1,939,000 -2,529,000 -2,109,000 -2,531,000 -1,645,000 
      equity in income of affiliates
    -3,473,000 -5,220,000 -4,946,000 -3,698,000 -1,094,000 -4,061,000 -4,394,000 -4,557,000 -3,970,000 -6,370,000 -7,147,000 -7,044,000 -5,187,000 -2,993,000 -2,539,000 -2,607,000  7,113,000 -2,539,000 -6,231,000 -1,808,000 -4,368,000 -2,353,000 -2,016,000 -46,000 -1,295,000 -6,275,000 -2,594,000 -1,290,000 -1,408,000 -1,769,000 -3,534,000 -224,000 -2,200,000 -2,732,000 -1,259,000 -916,000 -2,594,000 -2,424,000 -717,000  -1,448,000 -1,155,000 -670,000  -3,211,000 1,109,000 410,000 791,000 1,031,000 -2,000 698,000  1,608,000 1,481,000   750,000 1,881,000           378,000 -1,257,000 528,000 -707,000 846,000 4,037,000 -29,000 351,000 636,000 770,000 828,000  1,489,000 85,000 -17,000 -60,000 3,286,000 3,000 2,766,000 107,000 -431,000 -37,000 110,000 18,015,000   
      other expense
    10,365,000   -2,462,000  -2,888,000 -874,000 1,267,000  -3,307,000 462,000 -1,225,000 -1,950,000 4,057,000 106,000 -1,800,000 1,382,000 -754,500 106,000 -1,894,000 -1,230,000 23,000 -1,967,000 -3,160,000 5,219,000 -598,500 127,000  -1,762,000    268,000     -1,321,750 -732,000   -352,250 27,000  -1,284,000                                                   
      total other expense
    17,375,000 1,155,000 -3,874,000 -3,994,000 332,000 -5,620,000 -5,148,000 26,271,000  -9,365,000 -6,101,000 43,682,000 -8,008,000 -8,122,000 2,405,000 933,000 4,640,000 8,909,000 2,405,000 -2,806,000 2,087,000 -2,648,000 1,284,000 606,000 8,876,000    -1,854,000    958,000     -984,000 -912,000 -1,511,000 -601,000 647,000 1,766,000 2,635,000 1,833,000 15,826,000 -2,124,000 -1,819,000 -2,380,000   -3,117,000    -7,718,000    -1,173,000 -1,799,000                                   
      income before income taxes
    -48,508,000 73,826,000 147,525,000 107,559,000 -40,083,000 66,164,000 109,446,000 59,550,000 -38,968,000 29,998,000 79,919,000 -14,822,000 -35,241,000 66,902,000 41,327,000                                                                                -2,628,000 
      benefit from income taxes
    -12,119,000    -11,756,000    -9,526,000            -22,455,000   -1,782,000 -14,710,000    -9,165,000    -4,131,000    -12,496,000    -5,177,000    -4,506,000    -8,064,000    -9,027,000    -3,532,000    -5,223,000                    -773,000    -3,692,000           
      net income
    -36,389,000 58,936,000 109,397,000 80,345,000 -28,327,000 47,051,000 83,977,000 38,857,000 -29,442,000 21,709,000 57,496,000 -23,846,000 -25,772,000 56,010,000 32,423,000 55,747,000 -9,821,000 -20,433,000 32,423,000 55,747,000 -65,323,000 5,687,000 -98,357,000 -973,000 -72,538,000 46,427,000 21,913,000 -93,961,000 -31,081,000 10,387,000 59,097,000 -6,081,000 -9,662,000 35,325,000 48,055,000 16,272,000 -23,851,000 20,166,000 38,087,000 18,457,000 -10,510,000 35,139,000 32,180,000 9,539,000 -8,610,000 20,825,000 14,105,000 22,207,000 -21,261,000 -32,561,000 4,455,000 3,166,000 -19,826,000 18,374,000 45,746,000 4,487,000 -8,687,000 24,792,000 42,376,000 6,173,000 -7,256,000 -65,386,000 43,301,000 -2,633,000 -37,730,000 27,009,000 36,538,000 22,667,000 13,987,000 31,925,000 51,738,000 25,618,000 13,123,000 17,168,000 53,300,000 43,846,000 -2,249,000 2,917,000 45,725,000 33,289,000 -1,422,000 35,812,000 40,651,000 14,954,000 -8,267,000 9,370,500 32,785,000 13,806,000 -9,109,000    10,018,000  -1,643,000 
      yoy
    28.46% 25.26% 30.27% 106.77% -3.79% 116.73% 46.06% -262.95% 14.24% -61.24% 77.33% -142.78% 162.42% -374.12% 0.00% 0.00% -84.97% -459.29% -132.96% -5829.39% -9.95% -87.75% -548.85% -98.96% 133.38% 346.97% -62.92% 1445.16% 221.68% -70.60% 22.98% -137.37% -59.49% 75.17% 26.17% -11.84% 126.94% -42.61% 18.36% 93.49% 22.07% 68.73% 128.15% -57.05% -59.50% -163.96% 216.61% 601.42% 7.24% -277.21% -90.26% -29.44% 128.23% -25.89% 7.95% -27.31% 19.72% -137.92% -2.14% -334.45% -80.77% -342.09% 18.51% -111.62% -369.75% -15.40% -29.38% -11.52% 6.58% 85.96% -2.93% -41.57% -683.50% 488.55% 16.57% 31.71% 58.16% -91.85% 12.48% 122.61% -82.80% 282.18% 23.99% 8.32% -9.24%    -190.93%       
      qoq
    -161.74% -46.13% 36.16% -383.63% -160.20% -43.97% 116.12% -231.98% -235.62% -62.24% -341.11% -7.47% -146.01% 72.75% -41.84% -667.63% -51.94% -163.02% -41.84% -185.34% -1248.64% -105.78% 10008.63% -98.66% -256.24% 111.87% -123.32% 202.31% -399.23% -82.42% -1071.83% -37.06% -127.35% -26.49% 195.32% -168.22% -218.27% -47.05% 106.36% -275.61% -129.91% 9.20% 237.35% -210.79% -141.34% 47.64% -36.48% -204.45% -34.70% -830.89% 40.71% -115.97% -207.90% -59.83% 919.52% -151.65% -135.04% -41.50% 586.47% -185.07% -88.90% -251.00% -1744.55% -93.02% -239.69% -26.08% 61.19% 62.06% -56.19% -38.29% 101.96% 95.21% -23.56% -67.79% 21.56% -2049.58% -177.10% -93.62% 37.36% -2441.00% -103.97% -11.90% 171.84% -280.89% -188.22% -71.42% 137.47% -251.56%        
      net income margin %
    -Infinity% Infinity% Infinity% Infinity% -Infinity% 6.21% 6.58% 3.59% -4.38% 2.33% 5.15% -2.65% -4.60% 9.26% 3.05% 6.68% -1.79% -6.51% 3.05% 5.78% -9.75% 0.60% -9.23% -0.11% -11.41% 4.90% 2.01% -11.90% -5.01% 1.16% 5.60% -0.75% -1.72% 4.41% 5.02% 2.13% -5.09% 3.02% 4.74% 3.05% -2.39% 5.58% 4.28% 1.68% -2.05% 3.53% 1.96% 3.79% -5.60% -5.46% 0.60% 0.58% -5.24% 3.64% 6.28% 0.83% -2.80% 4.59% 5.82% 1.27% -2.83% -15.67% 6.45% -0.58% -17.10% 6.21% 5.07% 4.92% 4.03% 5.09% 5.76% 3.69% 2.89% 2.71% 6.30% 5.69% -0.46% 0.41% 4.86% 4.10% -0.29% 5.27% 4.70% 2.21% -1.96% 2.35% 4.68% 2.47% -2.70% NaN% NaN% NaN% Infinity% NaN% -Infinity% 
      amount attributable to non-controlling interests
    -5,310,000 -6,906,000 -6,468,000 -8,645,000 -5,329,000 -5,568,000 -5,026,000 -1,962,000 -1,541,000 4,289,000 128,000 6,846,000 2,749,000 3,983,000 2,620,000   115,500 2,620,000 -1,286,000 -872,000 2,323,000 7,195,000 4,378,000 7,168,000 5,304,000 -1,425,000 -3,875,000 -3,493,000 -3,841,000 -3,425,000 -2,304,000 -1,761,000 -2,552,000 -2,073,000 -2,139,000 61,000 -3,091,000 -982,000 -4,327,000 -678,000 -6,466,000 -1,421,000 74,000 50,000 -3,849,000 1,177,000 -8,566,000 708,000                                               
      net loss attributable to granite construction incorporated
    -41,699,000    -33,656,000    -30,983,000    -23,023,000    -12,939,000    -66,195,000    -65,370,000   -97,836,000 -34,574,000    -11,423,000    -23,790,000    -11,188,000    -8,560,000    -20,553,000    -21,982,000    -11,773,000    -9,007,000                                   
      net income per share
                                                                                                   
      basic
    -0.96 0.808 2.35 1.64 -0.77 0.483 1.81 0.84 -0.7 0.1 1.31 -0.39 -0.53     0.128 0.76 1.19 -1.45 0.18 -2 0.07 -1.44 1.1 0.44 -2.09 -0.74 0.13 1.2 -0.2 -0.29 0.83 1.15 0.35 -0.6 0.43 0.94 0.36 -0.28 0.73 0.78 0.24 -0.22 0.44 0.39 0.35 -0.53 -0.73 0.28 0.07 -0.57 0.46 0.96 0.05 -0.31 0.48 0.94 0.13 -0.24  -0.18 -1.09 0.42 0.79 0.46 0.23 850 1,380 0.68 0.34 0.43 1.3 1.07  0.07 1.12 0.81  0.88 0.37  0.48 0.81 0.34 -0.23 0.35 0.64 0.27 0.25 0.41 -0.04 
      diluted
    -0.96 0.708 1.98 1.42 -0.77 0.448 1.57 0.76 -0.7 0.1 1.13 -0.39 -0.53     0.123 0.73 1.14 -1.45 0.18 -2 0.07 -1.44 1.1 0.43 -2.09 -0.74 0.12 1.17 -0.2 -0.29 0.81 1.14 0.35 -0.6 0.42 0.92 0.35 -0.28 0.72 0.77 0.24 -0.22 0.43 0.38 0.34 -0.53 -0.73 0.28 0.07 -0.57 0.45 0.94 0.05 -0.31 0.48 0.93 0.13 -0.24  0.99 -0.18 -1.09 0.41 0.79 0.46 0.23 840 1,360 0.68 0.34 0.43 1.28 1.05  0.07 1.1 0.8  0.87 0.98 0.36  0.48 0.8 0.34 -0.23 0.34 0.63 0.26 0.25 0.41 -0.04 
      weighted-average shares outstanding:
                                                                                                   
      basic
    43,529 43,649 43,783 43,746 43,463 43,846 43,696 44,060 43,988 43,879 43,924 43,892 43,764 44,485 45,821 45,798 45,730 45,788 45,821 45,798 45,697 45,614 45,654 45,620 45,520 46,559 46,788 46,824 46,699 43,564 46,308 41,044 39,908 39,795 39,844 39,827 39,649 39,557 39,599 39,584 39,433 39,337 39,378 39,358 39,215 39,096 39,150 39,115 38,951 38,803 38,876 38,829 38,610 38,447 38,518 38,471 38,265 38,117 38,172 38,140 37,963 37,820 37,865 37,850   37,595       40,866          40,638  40,390 40,433 40,417 40,266 40,175  40,212 40,048 40,006 39,920 
      diluted
    43,529 53,132 53,556 52,755 43,463 52,514 52,366 52,727 43,988 52,565 53,612 43,892 43,764 52,326 47,906 47,798 45,730 45,788 47,906 47,798 45,697 45,614 45,654 46,281 45,520 46,559 47,170 46,824 46,699 44,025 47,810 41,044 39,908 40,372 40,387 40,393 39,649 40,225 40,313 40,302 39,433 39,868 39,897 39,881 39,215 39,795 39,813 39,807 38,951 38,803 39,759 39,769 38,610 39,076 39,141 39,151 38,265 38,473 38,598 38,479 37,963 37,820 38,071 37,850   37,709       41,389          41,212  41,031 41,083 41,018 40,266 40,808  40,802 40,510 40,818 39,920 
      loss on debt extinguishment
          -272,000 27,824,000    51,052,000                                                                                    
      other income
     -2,934,000 -6,309,000  -63,000    -1,743,000                   -759,000  539,000 -1,533,000 -940,000  -1,878,000 -1,309,000 -642,000 -870,000   -3,183,000 -1,372,000   -152,000  -2,333,000 -1,196,000 1,697,000 -51,000 330,000 1,022,000 -495,000 1,103,000 2,317,000 2,013,000 -5,018,000 6,871,000 -2,594,000 -1,833,000 -688,000 570,000 1,114,000 1,023,000 1,934,000 2,897,000 4,405,000 3,062,000 1,431,000 3,785,000                           
      provision for income taxes
     14,890,000 38,128,000 27,214,000  19,113,000 25,469,000 20,693,000  8,289,000 22,423,000 9,024,000 -9,469,000 10,892,000 8,904,000   517,000 8,904,000 15,619,000  -1,305,000 11,272,000   17,075,000 3,474,000 -31,760,000  3,057,000 8,692,000 2,796,000  11,821,000 21,249,000 8,088,000  9,720,000 16,703,000 8,916,000  17,031,000 17,679,000 4,975,000  11,420,000 6,081,000 10,284,000  -16,028,000 4,026,000 1,766,000  5,669,000 17,113,000 1,859,000  11,375,000 15,109,000 2,087,000   -8,026,000 4,406,000  12,334,000 13,300,000 8,187,000 4,829,000 21,011,000 21,473,000 13,081,000 12,127,000 17,790,000 25,437,000 22,154,000  -390,000 22,796,000 17,045,000  18,094,000 18,791,000 8,220,000  6,718,000 16,904,000 9,239,000 -4,384,000 8,214,000 15,131,000 6,718,000 5,241,000 10,394,000 -985,000 
      net income attributable to granite construction incorporated
     52,030,000 102,929,000 71,700,000  41,483,000 78,951,000 36,895,000  25,998,000 57,624,000 -17,000,000  59,993,000 35,043,000 54,461,000  -13,213,000 35,043,000 54,461,000  8,010,000 -91,162,000 3,405,000  51,731,000 20,488,000   6,546,000 55,672,000 -8,385,000  32,773,000 45,982,000 14,133,000  17,075,000 37,105,000 14,130,000  28,673,000 30,759,000 9,613,000  16,976,000 15,282,000 13,641,000  -28,156,000 10,997,000 2,718,000  17,986,000 37,121,000 1,949,000  18,754,000 36,468,000 4,946,000   38,681,000 -6,691,000 -40,954,000                               
      revenue:
                                                                                                   
      construction
         648,468,000 1,080,705,000 917,954,000 595,213,000 793,727,000 945,698,000 749,413,000 503,416,000 434,087,000 924,454,000 713,425,000 474,935,000               432,225,000 269,243,000 429,444,000 579,146,000 429,269,000 226,849,000 359,741,000 464,624,000 331,346,000 209,487,000 341,532,000 427,018,000 305,605,000 188,520,000 313,088,000 447,097,000 269,220,000 157,040,000 294,910,000 470,567,000 308,602,000 177,119,000 235,303,000 385,744,000 245,113,000 117,946,000 259,221,000 431,101,000 260,600,000 92,692,000 214,127,000 409,989,000 237,943,000 81,186,000 387,149,000 647,776,000 403,226,000 317,109,000 556,659,000 771,941,000 580,943,000 402,573,000 542,864,000 701,622,000 660,384,000 421,549,000 613,324,000 808,297,000 703,486,000 434,338,000 583,831,000 756,390,000 592,128,000 374,713,000 477,989,000 608,800,000 487,718,000 297,352,000 429,212,000 496,669,000 403,399,000 262,466,000 397,326,000 237,862,000 
      materials
         109,099,750 194,805,000 164,532,000 77,062,000 139,971,000 171,122,000 149,139,000 56,652,000 170,955,000 137,675,000 121,246,000 72,651,000 81,381,000 137,675,000 125,234,000 63,457,000 104,943,000 129,457,000 96,032,000 50,330,000 88,801,000 129,099,000 97,647,000 41,643,000 100,516,000 129,616,000                                                                 
      total revenue
         757,567,750 1,275,510,000 1,082,486,000 672,275,000 933,698,000 1,116,820,000 898,552,000 560,068,000 605,042,000 1,062,129,000 834,671,000 547,586,000 313,839,000 1,062,129,000 964,172,000 669,913,000 945,572,000 1,065,189,000 915,771,000 635,927,000 948,155,000 1,088,110,000 789,540,000 619,801,000 892,325,000 1,055,591,000 807,119,000 563,379,000 801,274,000 957,126,000 762,913,000 468,400,000 666,681,000 803,905,000 604,579,000 439,452,000 630,162,000 751,376,000 569,242,000 420,249,000 589,789,000 719,764,000 585,870,000 379,847,000 596,460,000 741,575,000 550,162,000 378,704,000 504,780,000 728,482,000 539,615,000 310,160,000 539,548,000 728,578,000 484,674,000 256,731,000 417,228,000 670,850,000 454,204,000 220,683,000 434,748,000 720,284,000 461,075,000 347,372,000 627,324,000 897,788,000 694,332,000 454,800,000 633,065,000 846,313,000 770,876,000 487,660,000 719,927,000 941,672,000 812,037,000 495,968,000 679,552,000 864,162,000 676,704,000 420,934,000 398,899,250 699,825,000 558,754,000 337,018,000       
      yoy
         -18.86% 14.21% 20.47% 20.03% 54.32% 5.15% 7.65% 2.28% 92.79% 0.00% -13.43% -18.26% -66.81% -0.29% 5.29% 5.34% -0.27% -2.11% 15.99% 2.60% 6.26% 3.08% -2.18% 10.01% 11.36% 10.29% 5.79% 20.28% 20.19% 19.06% 26.19% 6.59% 5.80% 6.99% 6.21% 4.57% 6.85% 4.39% -2.84% 10.64% -1.12% -2.94% 6.49% 0.30% 18.16% 1.80% 1.95% 22.10% -6.44% -0.01% 11.34% 20.81% 29.32% 8.61% 6.71% 16.33% -4.03% -6.86% -1.49% -36.47% -30.70% -19.77% -33.59% -23.62% -0.91% 6.08% -9.93% -6.74% -12.07% -10.13% -5.07% -1.68% 5.94% 8.97% 20.00% 17.83% 70.36% 23.48% 21.11% 24.90%           
      qoq
         -40.61% 17.83% 61.02% -28.00% -16.40% 24.29% 60.44% -7.43% -43.03% 27.25% 52.43% 74.48% -70.45% 10.16% 43.92% -29.15% -11.23% 16.32% 44.01% -32.93% -12.86% 37.82% 27.39% -30.54% -15.47% 30.79% 43.26% -29.69% -16.28% 25.46% 62.88% -29.74% -17.07% 32.97% 37.58% -30.26% -16.13% 32.00% 35.45% -28.75% -18.06% 22.85% 54.24% -36.32% -19.57% 34.79% 45.27% -24.98% -30.71% 35.00% 73.98% -42.51% -25.95% 50.32% 88.79% -38.47% -37.81% 47.70% 105.82% -49.24% -39.64% 56.22% 32.73% -44.63% -30.13% 29.30% 52.67% -28.16% -25.20% 9.79% 58.08% -32.26% -23.55% 15.96% 63.73% -27.02% -21.36% 27.70% 60.76% 5.52% -43.00% 25.25% 65.79%        
      cost of revenue:
                                                                                                   
      total cost of revenue
         652,081,500 1,072,561,000 917,775,000 617,990,000 839,387,000 950,177,000 795,466,000 527,709,000 535,747,000 942,194,000 736,439,000 497,811,000 308,482,000 942,194,000 847,226,000 606,595,000 838,923,000 939,192,000 827,428,000 612,128,000 805,983,000 996,678,000 841,944,000 579,323,000 784,276,000 911,100,000 726,750,000 507,096,000 700,567,000 842,596,000 688,343,000 443,274,000 585,431,000 696,231,000 531,378,000 400,207,000 533,579,000 650,478,000 503,474,000 380,140,000 509,998,000 653,072,000 503,455,000 358,439,000 546,847,000 687,179,000 498,965,000 348,646,000 447,972,000 627,383,000 487,699,000 285,224,000 460,422,000 634,685,000 439,718,000 226,743,000 371,011,000 594,695,000 404,506,000 214,969,000 344,805,000 615,112,000 377,830,000 279,359,000 510,626,000 753,486,000 585,306,000 356,106,000 534,628,000 709,676,000 643,242,000 439,624,000 663,484,000 835,740,000 718,927,000 455,733,000 573,528,000 754,461,000 599,997,000 393,994,000 357,455,250 604,477,000 499,010,000 326,334,000       
      total other income
            -4,332,000                 -22,000 -3,022,000 -923,000  1,757,000 -383,000 -2,444,000  -746,750 -2,522,000 -371,000 -94,000             -1,269,000 -2,114,000  -2,837,000 2,378,000 1,418,000  4,116,000 -3,970,000 -2,894,000   434,000 3,115,000   3,706,000 3,582,000 470,000 1,914,000 6,763,000 -572,000 1,247,000 9,301,000 4,409,000 9,276,000 3,949,000 5,875,000 7,533,000 6,498,000 7,695,000 2,655,000 6,517,000 1,220,000 -336,000            
      net income per share
                                                                                                   
      basic earnings per share
                 1.36 0.76 1.19                                                                                
      diluted earnings per share
                 1.21 0.73 1.14                                                                                
      income from continuing operations before income taxes
                   33,855,000                                                                                
      provision for income taxes on continuing operations
                   7,710,000                                                                                
      net income from continuing operations
                   26,145,000 -15,917,000                                                                               
      net income from discontinued operations
                   29,602,000 6,096,000                                                                               
      amount attributable to non-controlling interests from continuing operations
                   -1,286,000 -3,118,000                                                                               
      net income attributable to granite construction incorporated from continuing operations
                   24,859,000                                                                                
      net income attributable to granite construction incorporated from discontinued operations
                   29,602,000 6,096,000                                                                               
      basic continuing operations per share
                   0.54 -0.42                                                                               
      basic discontinued operations per share
                   0.65 0.13                                                                               
      diluted continuing operations per share
                   0.52 -0.42                                                                               
      diluted discontinued operations per share
                   0.62 0.13                                                                               
      equity in loss of affiliates
                    306,000                        -1,442,000    63,000        -423,000   -484,000 -617,000   -181,000 -257,000    -319,000    -444,000            -77,000               
      loss from continuing operations before benefit from income taxes
                    -21,248,000                                                                               
      benefit from income taxes on continuing operations
                    -5,331,000                                                                               
      net loss attributable to granite construction incorporated from continuing operations
                    -19,035,000                                                                               
      basic loss per share
                    -0.29                                                                               
      diluted loss per share
                    -0.29                                                                               
      transportation
                     361,112,500 568,186,000 525,235,000 351,029,000 507,988,000 623,999,000 535,101,000 350,901,000 551,315,000 598,646,000 403,978,000 338,210,000 504,040,000 610,847,000                                                                 
      water
                     83,788,250 121,968,000 113,432,000 99,753,000 122,337,000 106,599,000 109,724,000 101,657,000 120,736,000 135,908,000 112,831,000 99,255,000 122,299,000 124,292,000                                                                 
      specialty
                     147,561,250 234,300,000 200,271,000 155,674,000 210,304,000 205,134,000 174,914,000 133,039,000 187,303,000 224,457,000 175,084,000 140,693,000 165,470,000 190,836,000                                                                 
      non-cash impairment charges
                          132,277,000  24,413,000                                                                       
      income before provision for income taxes
                     6,228,750 41,327,000 71,366,000  -44,272,000 -87,085,000   63,502,000 25,387,000 -125,721,000  13,444,000 67,789,000 -3,285,000  47,146,000 69,304,000 24,360,000  29,886,000 54,790,000 27,373,000  52,170,000 49,859,000 14,514,000  32,245,000 20,186,000 32,491,000  -48,589,000 8,481,000 4,932,000  24,043,000 62,859,000 6,346,000  36,167,000 57,485,000 8,260,000   35,275,000 1,773,000  39,343,000 49,838,000 30,854,000 18,816,000                           
      weighted-average shares of common stock
                                                                                                   
      basic
    43,529 43,649 43,783 43,746 43,463 43,846 43,696 44,060 43,988 43,879 43,924 43,892 43,764 44,485 45,821 45,798 45,730 45,788 45,821 45,798 45,697 45,614 45,654 45,620 45,520 46,559 46,788 46,824 46,699 43,564 46,308 41,044 39,908 39,795 39,844 39,827 39,649 39,557 39,599 39,584 39,433 39,337 39,378 39,358 39,215 39,096 39,150 39,115 38,951 38,803 38,876 38,829 38,610 38,447 38,518 38,471 38,265 38,117 38,172 38,140 37,963 37,820 37,865 37,850   37,595       40,866          40,638  40,390 40,433 40,417 40,266 40,175  40,212 40,048 40,006 39,920 
      diluted
    43,529 53,132 53,556 52,755 43,463 52,514 52,366 52,727 43,988 52,565 53,612 43,892 43,764 52,326 47,906 47,798 45,730 45,788 47,906 47,798 45,697 45,614 45,654 46,281 45,520 46,559 47,170 46,824 46,699 44,025 47,810 41,044 39,908 40,372 40,387 40,393 39,649 40,225 40,313 40,302 39,433 39,868 39,897 39,881 39,215 39,795 39,813 39,807 38,951 38,803 39,759 39,769 38,610 39,076 39,141 39,151 38,265 38,473 38,598 38,479 37,963 37,820 38,071 37,850   37,709       41,389          41,212  41,031 41,083 41,018 40,266 40,808  40,802 40,510 40,818 39,920 
      loss before benefit from income taxes
                        -87,778,000   -2,755,000 -87,248,000    -40,246,000    -13,793,000    -36,347,000    -15,687,000    -13,116,000    -29,325,000    -28,853,000    -12,219,000    -12,479,000                                   
      acquisition and integration expenses
                         -20,000 73,000   55,000 2,744,000 9,177,000 3,323,000 16,015,000 9,334,000 26,287,000 8,409,000                                                               
      dividends per common share
                                 0.098 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 130 130                         
      large project construction
                                   273,946,000 248,414,000 290,888,000 279,845,000 254,463,000 207,033,000 246,077,000 249,345,000 197,322,000 195,449,000 222,438,000 217,084,000 182,893,000 190,305,000 213,934,000 179,446,000 244,328,000 187,336,000 236,905,000 187,820,000 181,371,000 171,714,000 214,572,000 255,918,000 228,799,000 163,928,000 211,565,000 213,320,000 162,338,000 137,820,000 154,781,000 169,972,000 153,328,000 106,325,000                               
      construction materials
                                   100,948,000 45,722,000 80,942,000 98,135,000 79,181,000 34,518,000 60,863,000 89,936,000 75,911,000 34,516,000 66,192,000 107,274,000 80,744,000 41,424,000 62,796,000 93,214,000 72,322,000 35,449,000 64,645,000 83,172,000 60,185,000 29,750,000 54,888,000 86,782,000 63,349,000 25,623,000 55,500,000 83,171,000 58,114,000 23,798,000 46,677,000 88,128,000 61,089,000 26,164,000 47,257,000 71,527,000                             
      real estate
                                                 7,250 7,000  22,000  16,000 4,000 121,000 17,000 38,000 2,354,000 2,663,000 13,262,000 986,000 3,622,000 2,421,000 1,643,000 2,761,000 1,844,000 7,008,000 342,000 981,000 534,000 417,000 871,000 1,369,000 6,100,000 673,000 4,156,000 21,238,000 10,401,000                    
      loss on restructuring
                                                     -5,750 474,000                                             
      amount attributable to noncontrolling interests
                                                     984,500 6,542,000 -448,000 -2,156,000 -388,000 -8,625,000 -2,538,000 -3,086,000 -6,038,000 -5,908,000 -1,227,000 -1,751,000  -4,620,000 -4,058,000 -3,224,000  -5,940,000                             
      gain on restructuring
                                                        498,000                                           
      equity in income (loss) of affiliates
                                                                  529,000   1,090,000 4,021,000 783,000                            
      equity in (loss) income of affiliates
                                                                   -387,000                                
      total other (expense) income
                                                                   -368,000 -217,000                               
      (loss) income before provision for income taxes
                                                                    -45,343,000                               
      (benefit from) provision for income taxes
                                                                    -7,613,000                               
      weighted average shares of common stock
                                                                                                   
      basic
                                                                    37,688 37,566  37,584 37,476 37,606,000 37,430,000 37,426 38,139  41,106 41,096  40,874 40,923 40,896  40,614 40,656             
      diluted
                                                                    37,688 37,683  37,699 37,600 38,106,000 37,975,000 37,929 38,513  41,640 41,631  41,471 41,546 41,466  41,249 41,340             
      general and administrative expenses
                                                                     55,144,000 60,465,000 55,669,000 53,632,000 59,188,000 71,933,000 65,760,000 60,651,000 63,069,000 63,666,000 65,130,000 54,337,000 48,530,000 58,560,000 48,935,000 48,256,000 53,767,000 50,149,000 40,606,000 38,870,000 40,570,000 44,007,000 35,914,000 -36,544,000 36,401,000 42,533,000 36,395,000 36,550,000 35,531,000 30,455,000 
      net income attributable to granite construction inc.
                                                                     16,033,000 30,598,000 17,949,000 8,920,000                           
      material sales
                                                                       57,315,000 29,846,000 69,794,000 124,478,000 107,289,000 51,554,000 86,045,000 123,453,000 100,091,000 66,111,000 106,603,000 133,375,000 108,551,000 61,630,000 95,721,000 107,772,000 84,576,000 46,221,000 62,626,000 91,025,000 71,036,000 39,666,000 63,514,000 83,531,000 66,006,000 39,694,000 61,684,000 31,283,000 
      amount attributable to noncontrolling interest
                                                                       -4,718,000 -5,067,000                           
      other
                                                                         2,299,000 549,000 184,000 8,463,000 6,555,000 -391,000 -433,000 -233,000 -96,000 -8,000 3,314,000 -606,000 1,806,000 176,000 -651,000 -73,000 4,285,000 59,000 -7,000 102,000 374,000 86,000 1,951,000 327,000 -395,000 354,000 
      income before provision for income taxes and minority interest
                                                                         65,212,000 73,805,000 46,668,000 47,745,000 42,067,000 85,241,000 70,799,000 287,000 3,126,000 55,100,000 55,919,000  62,353,000 63,213,000 28,654,000  17,018,500 53,581,000 27,156,000 -12,663,000 18,708,750 41,799,000     
      income before minority interest
                                                                         44,201,000 52,332,000 33,587,000 35,618,000 24,277,000 59,804,000 48,645,000 198,000 3,516,000 32,304,000 38,874,000  44,259,000 44,422,000 20,434,000  11,578,750 36,677,000 17,917,000     9,241,000   
      minority interest in consolidated subsidiaries
                                                                         -12,276,000 -594,000 -7,969,000 -22,495,000 -7,109,000 -6,504,000 -4,799,000 -2,447,000 -599,000 13,421,000 -5,585,000 -1,067,000 -8,447,000 -3,771,000 -5,480,000 -50,000 -607,000 -3,892,000 -4,111,000 -830,000 -618,000 -834,000 -1,042,000    
      net income per common share
                                                                                                   
      basic
    -0.96 0.808 2.35 1.64 -0.77 0.483 1.81 0.84 -0.7 0.1 1.31 -0.39 -0.53     0.128 0.76 1.19 -1.45 0.18 -2 0.07 -1.44 1.1 0.44 -2.09 -0.74 0.13 1.2 -0.2 -0.29 0.83 1.15 0.35 -0.6 0.43 0.94 0.36 -0.28 0.73 0.78 0.24 -0.22 0.44 0.39 0.35 -0.53 -0.73 0.28 0.07 -0.57 0.46 0.96 0.05 -0.31 0.48 0.94 0.13 -0.24  -0.18 -1.09 0.42 0.79 0.46 0.23 850 1,380 0.68 0.34 0.43 1.3 1.07  0.07 1.12 0.81  0.88 0.37  0.48 0.81 0.34 -0.23 0.35 0.64 0.27 0.25 0.41 -0.04 
      diluted
    -0.96 0.708 1.98 1.42 -0.77 0.448 1.57 0.76 -0.7 0.1 1.13 -0.39 -0.53     0.123 0.73 1.14 -1.45 0.18 -2 0.07 -1.44 1.1 0.43 -2.09 -0.74 0.12 1.17 -0.2 -0.29 0.81 1.14 0.35 -0.6 0.42 0.92 0.35 -0.28 0.72 0.77 0.24 -0.22 0.43 0.38 0.34 -0.53 -0.73 0.28 0.07 -0.57 0.45 0.94 0.05 -0.31 0.48 0.93 0.13 -0.24  0.99 -0.18 -1.09 0.41 0.79 0.46 0.23 840 1,360 0.68 0.34 0.43 1.28 1.05  0.07 1.1 0.8  0.87 0.98 0.36  0.48 0.8 0.34 -0.23 0.34 0.63 0.26 0.25 0.41 -0.04 
      dividends per share
                                                                           0.13 0.13 0.13 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.08 0.08 
      provision for (benefit from) income taxes
                                                                                89,000                   
      basic and diluted net loss per share
                                                                                -0.05    -0.03    -0.2           
      basic and diluted weighted-average shares of common stock
                                                                                40,992    40,739    40,485           
      provision for legal judgment
                                                                                       9,300,000            
      loss before benefit from income taxes and minority interest
                                                                                    -1,128,000    -11,909,000           
      loss before minority interest
                                                                                    -355,000    -8,217,000           
      other income:
                                                                                                   
      other income: - sum
                                                                                        -5,000 9,686,000 -398,000 2,217,000 -133,000 900,000 2,273,000 1,766,000 18,015,000 -609,000  
      weighted-average shares of common stock basic
                                                                                              40,217     
      diluted
                                                                                             10,185.25 40,908     
      income before income taxes and minority interest
                                                                                                14,482,000   
      minority interest in loss of consolidated subsidiaries
                                                                                                777,000   
      minority interest in consolidated subsidiary
                                                                                                 -767,000  
      the accompanying notes are an integral part of these condensed consolidated financial statements.
                                                                                                   
    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 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-03-31 2001-12-31 2001-06-15 
                                                                                                      
        assets
                                                                                                      
        current assets:
                                                                                                      
        cash and cash equivalents
      265,714,000 529,220,000 441,804,000 322,017,000 379,074,000 578,330,000 462,286,000 366,746,000 321,752,000 417,663,000 292,124,000 214,446,000 199,751,000 293,991,000 255,084,000 175,022,000 360,911,000 395,647,000 464,049,000 393,181,000 452,928,000 436,136,000 388,024,000 288,922,000 242,604,000 262,273,000 184,673,000 144,958,000 200,263,000 272,804,000 230,259,000 195,515,000 193,581,000 233,711,000 185,516,000 178,068,000 169,501,000 189,326,000 150,225,000 161,218,000 198,298,000 252,836,000 221,785,000 188,147,000 239,403,000 255,961,000 167,174,000 146,458,000 205,780,000 229,121,000 212,463,000 247,833,000 260,773,000 321,990,000 287,322,000 237,951,000 226,226,000 256,990,000 193,099,000 190,069,000 240,768,000 252,022,000 257,854,000 208,450,000 222,095,000 338,956,000 371,434,000 356,168,000 390,483,000 460,843,000 281,046,000 286,648,000 266,427,000 352,434,000 265,605,000 246,278,000 207,647,000 204,893,000 202,382,000 304,976,000 225,495,000 199,881,000 159,297,000 116,988,000 115,224,000 161,627,000 185,276,000 112,555,000 102,006,000 69,919,000 73,383,000 77,615,000 75,043,000 102,277,000   
        short-term marketable securities
      49,191,000 71,021,000 105,437,000 63,284,000 43,708,000 7,311,000 10,147,000 10,500,000 15,500,000 35,863,000 31,278,000 24,981,000 39,754,000 39,374,000 39,873,000 45,000,000 14,953,000        5,000,000 27,799,000 37,918,000 41,037,000   35,010,000 20,014,000 39,961,000 67,775,000 47,814,000 47,821,000 67,824,000 64,884,000 54,863,000 34,959,000 43,001,000 25,043,000 17,607,000 17,560,000 19,282,000 25,504,000 27,950,000 27,898,000 41,143,000 49,968,000 22,892,000 21,271,000 44,841,000 56,088,000 47,185,000 43,260,000 70,444,000 70,408,000 77,389,000 78,255,000 83,084,000 109,447,000 80,962,000 73,566,000 76,963,000 42,448,000 27,798,000 24,878,000 22,276,000 38,320,000 101,112,000 88,230,000 79,997,000 77,758,000 106,675,000 98,199,000 93,313,000 141,037,000 140,869,000 74,775,000 57,613,000 68,540,000 81,043,000 60,751,000 75,460,000  46,688,000 62,535,000 80,299,000        
        receivables
      636,513,000 630,392,000 836,149,000 704,988,000 471,336,000 511,742,000 733,018,000 709,248,000 429,830,000 598,705,000 743,091,000 636,797,000 397,231,000 463,987,000 618,144,000 527,277,000 380,502,000 464,588,000 684,822,000 646,940,000 475,160,000 540,812,000 661,948,000 596,922,000 477,718,000 547,417,000 700,387,000 551,958,000 368,215,000 473,246,000 618,070,000 492,718,000 330,192,000 479,791,000 627,081,000 484,245,000 351,091,000 419,345,000 512,752,000 431,127,000 307,483,000 340,822,000 456,688,000 362,336,000 271,328,000 310,934,000 417,628,000 363,614,000 245,281,000 313,598,000 422,609,000 336,418,000 260,231,000 325,529,000 363,455,000 272,562,000 208,707,000 251,838,000 357,807,000 283,944,000 170,441,000 243,986,000 375,914,000 295,779,000 197,658,000 280,252,000                               
        contract assets
      283,979,000 236,879,000 261,263,000 289,225,000 274,592,000 328,353,000 321,653,000 309,376,000 306,004,000 262,987,000 282,280,000 288,349,000 288,146,000 241,916,000 241,238,000 190,187,000 180,023,000 145,437,000 204,046,000 194,483,000 185,220,000 164,939,000 159,939,000 191,919,000 226,518,000 211,441,000 233,925,000 257,650,000 260,250,000 219,754,000 213,989,000 265,190,000 178,663,000                                                                
        inventories
      168,789,000 143,129,000 145,239,000 126,483,000 128,432,000 108,175,000 107,973,000 119,060,000 116,957,000 103,898,000 92,131,000 92,151,000 97,893,000 86,809,000 81,296,000 78,634,000 74,356,000 61,965,000 77,412,000 88,424,000 86,611,000 82,362,000 102,111,000 105,023,000 98,765,000 88,885,000 95,442,000 102,163,000 96,862,000 88,623,000 90,789,000 96,024,000 71,295,000 62,497,000 62,059,000 65,495,000 58,781,000 55,245,000 61,015,000 64,711,000 59,444,000 55,553,000 60,289,000 71,022,000 64,636,000 68,920,000 74,605,000 79,501,000 77,407,000 62,474,000 61,667,000 68,905,000 66,291,000 59,785,000 63,999,000 67,503,000 67,782,000 50,975,000 57,987,000 64,727,000 56,899,000 51,018,000 45,224,000 48,529,000 49,483,000 45,800,000 51,972,000 68,755,000 59,254,000 55,223,000 61,342,000 63,930,000 61,432,000 55,557,000 50,438,000 53,320,000 47,337,000 41,529,000 42,020,000 39,532,000 35,412,000 33,161,000 31,699,000 34,377,000 32,562,000 31,711,000 33,254,000 33,222,000 30,400,000 29,878,000 31,557,000 32,698,000 30,965,000 21,323,000   
        equity in unconsolidated construction joint ventures
      126,857,000 134,670,000    140,928,000    171,233,000                                                                                       
        other current assets
      73,663,000 66,920,000 36,023,000 32,163,000 50,646,000 41,824,000 34,928,000 34,168,000 59,078,000 53,102,000 47,477,000 46,376,000 41,397,000 37,411,000 157,231,000 167,349,000 179,024,000 177,210,000 39,749,000 47,976,000 64,286,000 42,199,000 48,300,000 57,614,000 60,001,000 46,016,000 42,698,000 63,056,000 54,590,000 48,731,000 32,185,000 49,100,000 43,125,000 36,513,000 26,612,000 43,597,000 54,542,000 39,908,000 28,047,000 31,949,000 37,100,000 26,709,000 18,863,000 22,395,000 26,613,000 23,033,000 21,743,000 30,727,000 40,142,000 30,711,000 33,204,000 35,651,000 37,401,000 31,834,000 13,974,000 20,436,000 34,882,000 35,171,000 29,526,000 34,779,000 44,059,000 42,555,000 42,409,000 39,031,000 56,033,000 50,467,000 41,185,000 46,719,000 52,488,000 56,742,000 65,182,000 66,297,000 62,559,000 96,969,000 43,370,000 57,811,000 65,930,000 63,144,000 32,988,000 47,373,000 65,087,000 104,849,000 76,260,000 62,176,000 73,713,000 75,630,000 41,757,000 45,601,000 53,553,000 43,915,000 10,149,000 10,159,000 7,739,000 15,922,000   
        total current assets
      1,604,706,000 1,812,231,000 1,980,067,000 1,691,615,000 1,499,287,000 1,716,663,000 1,814,102,000 1,706,168,000 1,418,106,000 1,643,451,000 1,695,050,000 1,491,193,000 1,246,235,000 1,347,296,000 1,579,690,000 1,593,276,000 1,592,726,000 1,827,399,000 1,665,432,000 1,566,434,000 1,450,741,000 1,455,246,000 1,545,302,000 1,423,942,000 1,301,064,000 1,376,941,000 1,504,808,000 1,402,608,000 1,316,718,000 1,415,389,000 1,557,283,000 1,371,028,000 1,111,633,000 1,232,078,000 1,285,967,000 1,149,557,000 1,027,534,000 1,088,992,000 1,150,114,000 1,055,498,000 962,778,000 985,222,000 1,102,736,000 995,409,000 940,579,000 970,178,000 1,020,829,000 977,920,000 898,725,000 950,203,000 1,041,672,000 1,009,530,000 976,220,000 1,022,057,000 1,019,908,000 915,159,000 846,888,000 909,722,000 990,994,000 922,605,000 837,037,000 913,856,000 1,099,980,000 975,358,000 875,703,000 1,006,718,000 1,150,084,000 1,053,541,000 980,084,000 1,102,563,000 1,167,373,000 1,112,848,000 1,004,577,000 1,127,513,000 1,157,284,000 1,107,890,000 985,326,000 1,083,205,000 1,194,591,000 1,127,463,000 950,953,000 976,948,000 1,030,176,000 866,531,000 772,728,000  845,608,000 741,119,000 627,314,000        
        property and equipment
      1,242,501,000 1,260,823,000 1,199,605,000 714,186,000 722,135,000 716,184,000 719,678,000 670,876,000 665,524,000 662,864,000 569,722,000 564,077,000 531,457,000 509,210,000 500,827,000 464,593,000 450,250,000 433,504,000 510,658,000 517,143,000 528,173,000 527,016,000 536,256,000 540,053,000 534,958,000 542,297,000 542,796,000 557,118,000 552,504,000 549,688,000 560,618,000 595,787,000 409,708,000 407,418,000 412,174,000 414,079,000 412,490,000 406,650,000 407,327,000 409,860,000 398,750,000 385,129,000 385,036,000 391,989,000 399,910,000 409,653,000 424,272,000 426,700,000 432,398,000 436,859,000 456,524,000 471,265,000 477,666,000 481,478,000 432,293,000 439,664,000 442,132,000 447,140,000 453,822,000 464,616,000 468,929,000 473,607,000 491,363,000 501,258,000 519,909,000 520,778,000 530,661,000 529,805,000 526,734,000 517,678,000 522,733,000 526,383,000 518,900,000 502,901,000 487,000,000 490,328,000 444,570,000 429,966,000 422,212,000 419,757,000 393,312,000 397,111,000 408,912,000 397,476,000 380,342,000 376,197,000 351,847,000 356,377,000 349,883,000 344,734,000 351,447,000 359,550,000 354,182,000 261,623,000   
        long-term marketable securities
      32,616,000 49,534,000 69,303,000 98,069,000 90,295,000      5,750,000 11,575,000 16,575,000 26,569,000 21,575,000 21,675,000 21,775,000 15,600,000 10,600,000 10,850,000 11,300,000 5,200,000 5,700,000 5,896,000  5,000,000 10,000,000 20,000,000   46,093,000 61,191,000 67,305,000 65,015,000 69,991,000 59,990,000 59,989,000 62,895,000 52,908,000 42,653,000 72,653,000 80,652,000 70,646,000 70,508,000 80,522,000 76,563,000 74,140,000 84,234,000 65,969,000 67,234,000 64,014,000 55,225,000 57,958,000 55,342,000 37,802,000 45,800,000 70,114,000 79,250,000 59,509,000 49,580,000 46,251,000 34,259,000 49,502,000 68,291,000 90,440,000 76,937,000 62,612,000 53,328,000 46,387,000 21,239,000 30,209,000 29,706,000 37,303,000 55,156,000 61,308,000 61,582,000 49,882,000 48,948,000 45,759,000 47,688,000 42,932,000 32,960,000 32,163,000 23,718,000 20,612,000 13,828,000 27,515,000 32,949,000 37,611,000 41,197,000 43,023,000 37,649,000 39,596,000    
        investments in affiliates
      97,985,000 96,764,000 94,643,000 95,093,000 93,667,000 94,031,000 94,921,000 93,499,000 92,677,000 92,910,000 91,101,000 86,611,000 83,335,000 80,725,000 78,663,000 23,203,000 22,987,000 23,368,000 72,415,000 75,625,000 75,159,000 75,287,000 76,464,000 74,511,000 73,249,000 84,176,000 84,914,000 82,109,000 81,034,000 84,354,000 84,840,000 99,495,000 38,682,000 38,469,000 39,946,000 37,170,000 36,410,000 35,668,000 34,356,000 34,517,000 34,619,000 33,182,000 33,077,000 32,655,000 32,031,000 32,361,000 34,177,000 33,936,000 33,336,000 32,480,000 31,338,000 31,421,000 30,742,000 30,799,000 30,257,000 28,521,000 30,972,000 31,071,000 33,435,000 32,932,000 28,893,000 31,410,000 32,515,000 31,210,000 30,823,000 24,644,000 21,309,000 17,310,000 21,768,000 19,996,000 27,518,000 30,502,000 25,713,000 26,475,000 23,256,000 24,816,000 23,585,000 21,471,000 20,564,000 16,076,000 15,365,000 15,855,000 10,887,000 10,844,000 10,546,000 10,725,000 13,044,000 12,974,000 18,273,000 18,295,000 19,218,000 19,216,000 23,001,000 50,601,000   
        goodwill
      400,536,000 400,814,000 391,660,000 215,165,000 214,296,000 214,465,000 211,624,000 146,768,000 160,842,000 155,004,000 74,264,000 78,603,000 73,703,000 73,703,000 73,704,000 53,715,000 53,715,000 53,715,000 116,788,000 116,839,000 116,807,000 116,777,000 116,691,000 248,690,000 248,339,000 264,279,000 264,112,000 264,107,000 259,695,000 259,471,000 244,696,000 246,881,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,799,000 53,598,000 53,593,000 55,419,000                                           
        intangible assets
      174,496,000 179,548,000 181,040,000 123,335,000 125,480,000 127,886,000 131,579,000 107,575,000 113,201,000 117,322,000                                                                                       
        right of use assets
      149,438,000 152,678,000 152,406,000 99,595,000 94,839,000 89,791,000 86,299,000 78,374,000 79,580,000 78,176,000 56,874,000 53,509,000 43,886,000 49,079,000 49,590,000 45,404,000 48,920,000 49,312,000 58,226,000 59,219,000 57,050,000 62,256,000 68,276,000 72,244,000 72,945,000 72,534,000 70,472,000 73,439,000 71,480,000                                                                    
        other noncurrent assets
      77,361,000 78,001,000 76,596,000 68,933,000 67,101,000 66,635,000 67,732,000 58,120,000 56,997,000 55,634,000 58,517,000 59,706,000 60,116,000 59,143,000 58,265,000 64,008,000 65,888,000 67,888,000 86,409,000 91,703,000 93,093,000 96,375,000 100,145,000 102,392,000 102,145,000 106,703,000 118,228,000 122,705,000 128,349,000 131,601,000 143,910,000 156,808,000 74,382,000 75,199,000 85,411,000 88,550,000 87,997,000 85,449,000 81,540,000 84,095,000 84,512,000 85,547,000 73,412,000 75,332,000 76,687,000 77,940,000 75,826,000 76,797,000 76,944,000 76,580,000 78,655,000 80,365,000 82,531,000 84,392,000 78,375,000 78,503,000 79,849,000 80,616,000 80,709,000 82,214,000 83,478,000 82,401,000 78,611,000 79,060,000 80,371,000 80,498,000 80,233,000 80,300,000 79,534,000 81,979,000 73,696,000                          
        total assets
      3,779,639,000 4,030,393,000 4,145,320,000 3,105,991,000 2,907,100,000 3,025,655,000 3,130,925,000 2,881,369,000 2,595,035,000 2,813,540,000 2,580,321,000 2,376,578,000 2,077,387,000 2,167,933,000 2,407,964,000 2,291,332,000 2,282,141,000 2,494,927,000 2,561,756,000 2,478,898,000 2,373,684,000 2,379,996,000 2,488,273,000 2,508,654,000 2,384,375,000 2,502,088,000 2,633,773,000 2,558,141,000 2,439,780,000 2,476,601,000 2,643,848,000 2,556,325,000 1,759,227,000 1,871,978,000 1,947,288,000 1,803,145,000 1,678,219,000 1,733,453,000 1,785,267,000 1,685,829,000 1,612,230,000 1,627,860,000 1,718,706,000 1,619,692,000 1,583,528,000 1,620,494,000 1,683,043,000 1,653,386,000 1,561,171,000 1,617,155,000 1,726,002,000 1,701,404,000 1,678,710,000 1,729,487,000 1,598,635,000 1,507,647,000 1,469,955,000 1,547,799,000 1,618,469,000 1,551,947,000 1,464,588,000 1,535,533,000 1,751,971,000 1,655,177,000 1,597,246,000 1,709,575,000 1,844,899,000 1,734,284,000 1,654,507,000 1,743,455,000 1,821,529,000 1,772,894,000 1,658,642,000 1,786,418,000 1,806,967,000 1,757,106,000 1,546,704,000 1,632,838,000 1,746,782,000 1,657,297,000 1,449,441,000 1,472,230,000 1,532,027,000 1,347,875,000 1,233,228,000            
        liabilities and equity
                                                                                                      
        current liabilities:
                                                                                                      
        current maturities of long-term debt
      379,794,000 375,896,000 371,990,000 7,337,000 1,119,000 1,109,000 1,099,000 1,510,000 39,986,000 39,932,000 1,475,000 1,466,000 1,456,000 1,447,000 1,438,000 1,429,000 8,735,000 8,727,000 8,718,000 8,709,000 8,700,000 8,278,000 8,253,000 8,253,000 8,253,000 8,244,000 8,263,000 48,397,000 47,281,000 47,286,000 116,796,000 207,982,000 47,298,000 46,048,000 14,796,000 14,796,000 14,796,000 14,796,000 14,795,000 14,795,000 14,795,000 15,024,000 22,000 22,000 22,000 21,000 21,000 21,000 21,000 21,000 20,000 20,000 8,353,000 8,353,000 8,352,000 9,102,000 9,102,000 9,102,000 8,351,000 8,351,000 8,351,000 8,359,000 8,444,000 8,538,000 8,350,000 58,978,000 68,194,000 64,848,000 34,218,000 39,692,000 34,886,000 35,039,000 34,071,000 28,696,000 26,589,000 35,040,000 29,962,000 28,660,000 27,673,000 29,424,000 29,041,000 26,888,000 21,772,000 22,639,000 18,848,000 15,861,000 10,287,000 10,482,000 8,788,000 8,182,000 10,161,000 10,179,000 8,914,000 8,083,000   
        accounts payable
      430,306,000 430,298,000 527,625,000 441,423,000 375,392,000 407,223,000 509,976,000 450,656,000 347,382,000 408,363,000 477,031,000 382,458,000 295,125,000 334,392,000 398,285,000 331,728,000 285,390,000 324,313,000 397,152,000 379,008,000 306,834,000 359,160,000 385,259,000 358,401,000 312,105,000 400,775,000 399,528,000 303,128,000 216,966,000 251,481,000 316,917,000 303,885,000 226,253,000 237,673,000 286,913,000 252,527,000 170,006,000 199,029,000 223,612,000 210,923,000 139,215,000 157,571,000 196,885,000 170,474,000 121,013,000 151,935,000 205,493,000 210,777,000 141,241,000 160,706,000 199,480,000 188,124,000 169,940,000 202,541,000 209,683,000 186,290,000 129,480,000 158,660,000 216,600,000 179,664,000 94,688,000 129,700,000 206,993,000 173,637,000 100,102,000 131,251,000 211,670,000 177,025,000 141,783,000 174,626,000 234,126,000 237,561,000 195,651,000 213,135,000 261,379,000 268,054,000 214,395,000 257,612,000 322,537,000 309,199,000 220,284,000 232,807,000 309,281,000 256,888,000 190,019,000 191,782,000 219,890,000 213,989,000 135,134,000 135,468,000 152,282,000 152,554,000 99,963,000 93,714,000   
        contract liabilities
      356,860,000 327,372,000 327,237,000 300,799,000 280,493,000 299,671,000 292,641,000 262,198,000 223,964,000 243,848,000 221,983,000 173,288,000 160,245,000 173,286,000 191,037,000 179,322,000 165,358,000 200,041,000 195,267,000 174,850,000 160,149,000 171,321,000 189,430,000 159,818,000 133,811,000 95,737,000 106,010,000 119,289,000 90,752,000 105,449,000 117,759,000 91,864,000 71,030,000                                                                
        accrued expenses and other current liabilities
      311,882,000 348,179,000 407,425,000 326,592,000 296,640,000 323,956,000 361,110,000 302,039,000 325,103,000 337,740,000 355,987,000 310,022,000 266,541,000 288,469,000 450,223,000 435,061,000 439,525,000 452,829,000 499,214,000 485,718,000 524,452,000 404,497,000 391,651,000 363,128,000 355,393,000 337,300,000 342,040,000 339,047,000 265,102,000 273,626,000 296,033,000 293,959,000 233,637,000 236,407,000 246,775,000 231,048,000 224,850,000 218,587,000 237,534,000 212,986,000 226,276,000 200,935,000 224,101,000 195,131,000 225,255,000 200,652,000 221,618,000 187,348,000 193,307,000 197,242,000 219,169,000 200,521,000 188,685,000 169,979,000 167,166,000 155,322,000 148,196,000 166,790,000 185,624,000 156,727,000 144,584,000 150,773,000 173,547,000 161,632,000 156,374,000 159,843,000 209,806,000 168,217,000 159,323,000 184,939,000 227,611,000 211,907,000 166,774,000 212,265,000 209,894,000 223,311,000 170,042,000 189,328,000 183,968,000 178,989,000 121,325,000 140,569,000 176,901,000 125,926,000 102,620,000 117,367,000 146,015,000 105,227,000 100,401,000 105,717,000 130,089,000 105,132,000 85,641,000 66,385,000   
        total current liabilities
      1,478,842,000 1,481,745,000 1,634,277,000 1,076,151,000 953,644,000 1,031,959,000 1,164,826,000 1,016,403,000 936,435,000 1,029,883,000 1,056,476,000 867,234,000 723,367,000 797,594,000 1,040,983,000 994,246,000 939,254,000 1,069,318,000 1,100,351,000 1,048,285,000 1,000,135,000 943,256,000 974,593,000 889,600,000 809,562,000 842,056,000 855,841,000 809,861,000 620,101,000 677,842,000 847,505,000 897,690,000 578,218,000 655,274,000 717,191,000 612,551,000 501,179,000 529,934,000 592,092,000 529,188,000 469,474,000 466,045,000 549,239,000 477,841,000 448,053,000 462,826,000 544,167,000 525,329,000 461,413,000 497,570,000 565,522,000 534,856,000 495,719,000 531,272,000 493,261,000 442,671,000 393,913,000 448,468,000 516,770,000 483,210,000 378,710,000 438,777,000 585,374,000 528,399,000 448,326,000 506,113,000 676,875,000 594,755,000 525,864,000 626,621,000 748,025,000 710,720,000 615,431,000 729,945,000 772,071,000 768,874,000 685,040,000 763,443,000 861,450,000 796,111,000 602,125,000 609,147,000 697,021,000 553,614,000 448,728,000  521,351,000 457,955,000 361,288,000        
        long-term debt
      861,187,000 963,233,000 966,346,000 733,039,000 738,595,000 737,939,000 737,458,000 737,436,000 513,203,000 614,781,000 403,785,000 458,692,000 287,000,000 286,934,000 286,872,000 286,801,000 290,549,000 331,191,000 331,192,000 331,222,000 331,647,000 330,522,000 405,644,000 405,770,000 355,911,000 356,108,000 394,841,000 366,896,000 333,290,000 335,119,000 316,926,000 280,710,000 176,011,000 178,453,000 225,922,000 227,114,000 228,306,000 229,498,000 240,715,000 241,907,000 243,099,000 245,081,000 270,105,000 270,105,000 270,105,000 270,105,000 270,127,000 270,127,000 270,127,000 270,127,000 270,148,000 270,148,000 270,148,000 270,148,000 200,168,000 200,168,000 208,501,000 208,501,000 208,519,000 208,519,000 216,852,000 217,014,000 216,870,000 216,870,000 225,203,000 244,688,000 233,582,000 233,675,000 251,351,000 250,687,000 246,487,000 246,493,000 257,442,000 268,417,000 140,410,000 139,715,000 70,530,000 78,576,000 90,151,000 105,757,000 110,903,000 124,415,000 128,539,000 130,427,000 139,705,000 148,503,000 125,850,000 131,592,000 126,154,000 126,708,000 127,473,000 131,177,000 129,289,000 124,633,000   
        long-term lease liabilities
      122,753,000 125,733,000 125,915,000 81,473,000 77,734,000 73,638,000 70,981,000 64,995,000 65,115,000 63,548,000 42,198,000 38,397,000 27,934,000 32,170,000 32,701,000 31,182,000 32,682,000 32,928,000 39,908,000 41,816,000 41,707,000 46,769,000 51,879,000 56,071,000 57,985,000 58,618,000                                                                       
        deferred income taxes
      143,458,000 141,489,000 118,158,000 14,487,000 13,792,000  4,990,000 19,989,000 8,108,000 8,179,000 29,043,000 31,304,000 22,080,000 22,208,000 45,650,000 25,458,000 25,880,000 24,141,000 41,228,000 41,085,000 41,361,000 41,839,000 39,439,000 40,926,000 51,675,000 50,158,000 38,443,000 36,055,000  4,317,000 6,408,000 25,135,000 3,718,000 1,361,000     5,223,000 5,407,000 5,119,000 4,329,000 39,272,000 53,231,000 53,231,000 53,231,000 55,874,000 55,874,000 55,874,000 55,874,000 36,687,000 36,687,000 36,687,000 36,687,000 38,571,000 38,571,000 38,571,000 38,571,000 52,714,000 52,714,000 52,583,000 53,877,000 31,035,000 31,870,000 31,150,000 31,034,000 43,356,000 43,314,000 43,484,000 43,637,000 46,233,000 44,887,000 44,728,000 43,713,000 36,041,000 36,015,000 36,552,000 36,776,000 22,475,000 22,830,000 22,586,000 22,996,000 20,581,000 20,947,000 21,070,000 21,012,000 22,152,000 22,144,000 22,173,000 22,421,000 22,602,000 22,714,000 23,149,000 13,173,000   
        other long-term liabilities
      92,359,000 96,660,000 95,643,000 86,486,000 85,043,000 88,882,000 84,561,000 71,848,000 72,041,000 74,654,000 67,473,000 66,234,000 64,997,000 64,199,000 60,664,000 61,868,000 62,493,000 64,071,000 64,783,000 66,167,000 65,833,000 64,684,000 63,741,000 63,118,000 57,795,000 63,136,000 58,433,000 58,268,000 64,219,000 61,689,000 67,429,000 71,180,000 40,104,000 44,085,000 46,435,000 47,983,000 47,066,000 45,989,000 46,270,000 45,719,000 43,913,000 46,613,000 41,211,000 42,851,000 42,058,000 44,495,000 45,887,000 48,455,000 48,662,000 48,580,000 46,474,000 46,817,000 49,231,000 47,124,000 47,913,000 47,393,000 50,011,000 49,221,000 46,985,000 46,460,000 47,943,000 47,996,000 48,764,000 49,197,000 52,471,000 48,998,000 48,884,000 46,686,000 45,836,000 43,604,000 46,178,000 46,956,000 45,479,000 46,441,000 65,111,000 67,378,000 64,315,000 58,419,000 56,335,000 53,885,000 53,670,000 46,556,000 46,007,000 43,044,000 41,806,000 40,641,000 29,745,000 27,550,000 26,851,000 24,938,000 23,217,000 15,918,000 15,696,000 12,958,000   
        commitments and contingencies
                                                                                                      
        equity:
                                                                                                      
        preferred stock, 0.01 par value...
                                                                                                      
        common stock, 0.01 par value...
      437,000 435,000 437,000 438,000 437,000 434,000 437,000 437,000 441,000 439,000 439,000 439,000 439,000 437,000 437,000 441,000 454,000 458,000 458,000 458,000 458,000 457,000 457,000 458,000 457,000 456,000 468,000 468,000   469,000 457,000 400,000 399,000 399,000 398,000 398,000 396,000 396,000 396,000 396,000 394,000 394,000 394,000 393,000 392,000 391,000 391,000 391,000 389,000 388,000 389,000 388,000 387,000 387,000 387,000 386,000 387,000 387,000 387,000 386,000 387,000 388,000 388,000 388,000 386,000 387,000 387,000 387,000 383,000 383,000 383,000 383,000 395,000 419,000 419,000 419,000 418,000 418,000 418,000 418,000 417,000 417,000 417,000 417,000  416,000 416,000 416,000        
        additional paid-in capital
      301,499,000 402,391,000 426,143,000 430,155,000 427,804,000 410,739,000 437,343,000 435,271,000 479,680,000 474,134,000 472,379,000 470,511,000 471,782,000 470,407,000 468,662,000 467,159,000 515,262,000 559,752,000 558,121,000 556,615,000 554,186,000 555,407,000 554,303,000 553,038,000 551,189,000 549,307,000 567,033,000 568,264,000 566,497,000 564,559,000 572,046,000 516,680,000 162,038,000 160,376,000 157,734,000 155,476,000 152,805,000 150,337,000 148,485,000 145,972,000 145,663,000 139,412,000 137,974,000 136,214,000 133,962,000 134,177,000 132,396,000 130,181,000 126,937,000 126,449,000 123,681,000 121,368,000 118,265,000 117,422,000 114,917,000 112,815,000 110,432,000 111,514,000 108,096,000 105,287,000 102,548,000 104,232,000 101,567,000 98,142,000 93,688,000 94,633,000 92,356,000 89,142,000 88,158,000 85,035,000 83,041,000 81,358,000 79,534,000 79,007,000 82,678,000 81,293,000 79,597,000 78,620,000 72,742,000 70,636,000 68,477,000 80,619,000 79,148,000 79,603,000 79,732,000 76,766,000 76,106,000 75,812,000 75,732,000 73,651,000 73,673,000 73,832,000 73,962,000 67,301,000   
        accumulated other comprehensive income
      2,995,000 1,581,000 868,000 997,000 65,000 -582,000 437,000 270,000 1,290,000 881,000 894,000 795,000 653,000 788,000 535,000 2,388,000 1,573,000          -3,282,000 -3,448,000 -626,000 -749,000 1,841,000 1,022,000 1,197,000 634,000 240,000 71,000                                  -146,000 -3,334,000 -941,000 -693,000 1,098,000 3,785,000 3,826,000 2,981,000 2,631,000 2,380,000 1,823,000 2,206,000 1,602,000 2,112,000 1,516,000 1,263,000 1,475,000 619,000 604,000 512,000 76,000       
        retained earnings
      727,190,000 774,641,000 728,332,000 631,158,000 565,223,000 604,635,000 568,877,000 495,679,000 465,047,000 501,844,000 481,636,000 429,797,000 452,583,000 481,384,000 481,489,000 413,931,000 402,550,000 410,831,000 430,074,000 401,061,000 352,610,000 424,835,000 422,846,000 520,025,000 522,639,000 594,353,000 656,487,000 642,124,000 746,100,000 787,356,000 786,936,000 737,417,000 751,801,000 783,699,000 756,183,000 715,451,000 706,571,000 735,626,000 723,789,000 691,924,000 683,037,000 699,431,000 675,927,000 650,357,000 645,931,000 659,816,000 648,017,000 637,905,000 629,443,000 655,102,000 688,440,000 682,610,000 685,023,000 712,144,000 699,277,000 667,278,000 670,462,000 687,296,000 673,626,000 642,228,000 642,354,000 656,412,000 711,497,000 677,873,000 689,634,000 735,632,000 724,621,000 699,050,000 686,129,000 682,237,000 655,287,000 608,525,000 587,881,000 619,699,000 694,557,000 645,448,000 605,797,000 612,875,000 614,141,000 572,601,000 543,495,000 549,101,000 517,460,000 480,979,000 470,196,000 482,635,000 467,271,000 438,648,000 429,003,000 442,272,000 432,567,000 410,887,000 404,247,000 362,601,000   
        total granite construction incorporated shareholders’ equity
      1,032,121,000 1,179,048,000 1,155,780,000 1,062,748,000 993,529,000 1,015,226,000 1,007,094,000 931,657,000 946,458,000 977,298,000 955,348,000 901,542,000 925,457,000 953,016,000 951,123,000 883,919,000 919,839,000 967,682,000 985,185,000 955,384,000 903,540,000 975,664,000 971,606,000 1,067,721,000 1,067,747,000 1,141,471,000 1,220,706,000 1,207,408,000 1,312,439,000 1,351,633,000 1,361,292,000 1,255,576,000 915,436,000 945,108,000 914,556,000 871,396,000 859,517,000 885,988,000 871,146,000 836,481,000 827,527,000 839,237,000 814,295,000 786,965,000 780,286,000 794,385,000 780,804,000 768,477,000 756,771,000 781,940,000 812,509,000 804,367,000 803,676,000 829,953,000 814,581,000 780,480,000 781,280,000 799,197,000 782,109,000 747,902,000 745,288,000 761,031,000 813,452,000 776,403,000 783,710,000                                
        non-controlling interests
      48,919,000 42,485,000 49,201,000 51,607,000 44,763,000 64,137,000 62,585,000 55,758,000 58,147,000 49,668,000 51,229,000 39,908,000 46,954,000 32,129,000 35,621,000 33,316,000 37,324,000 27,881,000 37,169,000 32,858,000 27,655,000 15,946,000 17,393,000 23,039,000 32,057,000 36,945,000 42,560,000 50,160,000 49,494,000 46,001,000 45,107,000 45,410,000 49,458,000 47,697,000 37,252,000 38,681,000 36,542,000 36,603,000 35,044,000 32,534,000 28,217,000 30,884,000 22,210,000 21,315,000 22,411,000 22,721,000 26,259,000 25,066,000 7,960,000 4,404,000                                               
        total equity
      1,081,040,000 1,221,533,000 1,204,981,000 1,114,355,000 1,038,292,000 1,079,363,000 1,069,679,000 987,415,000 1,004,605,000 1,026,966,000 1,006,577,000 941,450,000 972,411,000 985,145,000 986,744,000 917,235,000 957,163,000 995,563,000 1,022,354,000 988,242,000 931,195,000 991,610,000 988,999,000 1,090,760,000 1,099,804,000 1,178,416,000 1,263,266,000 1,257,568,000 1,361,933,000 1,397,634,000 1,406,399,000 1,300,986,000 964,894,000 992,805,000 951,808,000 910,077,000 896,059,000 922,591,000 906,190,000 869,015,000 855,744,000 870,121,000 836,505,000 808,280,000 802,697,000 817,106,000 807,063,000 793,543,000 764,731,000 786,344,000 828,822,000 834,174,000 847,929,000 871,858,000 849,274,000 809,130,000 812,766,000 827,663,000 808,110,000 773,868,000 779,581,000 795,635,000 856,660,000 816,191,000 827,134,000 882,556,000 867,641,000 841,251,000 813,539,000                            
        total liabilities and equity
      3,779,639,000 4,030,393,000 4,145,320,000 3,105,991,000 2,907,100,000 3,025,655,000 3,130,925,000 2,881,369,000 2,595,035,000 2,813,540,000 2,580,321,000 2,376,578,000 2,077,387,000 2,167,933,000 2,407,964,000 2,291,332,000 2,282,141,000 2,494,927,000 2,561,756,000 2,478,898,000 2,373,684,000 2,379,996,000 2,488,273,000 2,508,654,000 2,384,375,000 2,502,088,000 2,633,773,000 2,558,141,000 2,439,780,000 2,476,601,000 2,643,848,000 2,556,325,000 1,759,227,000 1,871,978,000 1,947,288,000 1,803,145,000 1,678,219,000 1,733,453,000 1,785,267,000 1,685,829,000 1,612,230,000 1,627,860,000 1,718,706,000 1,619,692,000 1,583,528,000 1,620,494,000 1,683,043,000 1,653,386,000 1,561,171,000 1,617,155,000 1,726,002,000 1,701,404,000 1,678,710,000 1,729,487,000 1,598,635,000 1,507,647,000 1,469,955,000 1,547,799,000 1,618,469,000 1,551,947,000 1,464,588,000 1,535,533,000 1,751,971,000 1,655,177,000 1,597,246,000 1,709,575,000 1,844,899,000 1,734,284,000 1,654,507,000                            
        equity in construction joint ventures
        154,152,000 153,455,000 151,499,000  144,097,000 157,070,000 168,985,000  206,669,000 188,093,000 182,063,000 183,808,000 186,824,000 187,028,000 191,183,000 189,911,000 195,354,000 195,430,000 186,536,000 188,798,000 184,980,000 183,542,000 190,458,000 193,110,000 209,765,000 241,786,000 300,489,000 282,229,000 273,993,000 252,467,000 254,816,000 247,826,000 242,358,000 230,448,000 235,683,000 247,182,000 263,180,000 245,509,000 240,480,000 224,689,000 219,652,000 209,016,000 197,570,000 184,575,000 181,259,000 185,859,000 168,045,000 162,673,000 161,063,000 148,727,000 171,265,000 105,805,000 97,890,000 107,821,000 91,951,000 101,029,000 97,415,000 87,653,000 78,773,000 74,716,000 80,496,000 72,571,000 71,693,000 67,693,000 58,450,000 50,215,000 44,423,000 44,681,000 45,219,000 42,844,000 39,893,000 34,340,000 36,851,000 32,400,000 37,422,000 31,912,000 37,969,000 31,641,000 26,359,000 27,408,000 24,514,000 21,167,000 20,671,000 20,895,000 21,068,000 19,901,000 21,005,000 42,250,000 35,750,000 29,145,000 27,432,000 19,578,000   
        current assets
                                                                                                      
        current liabilities
                                                                                                      
        equity
                                                                                                      
        current assets held for sale
                                                                                                      
        current liabilities held for sale
                                                                                                      
        current assets held-for-sale
                     222,779,000 211,774,000 392,641,000                                                                               
        current liabilities held-for-sale
                     46,706,000 40,246,000 83,408,000                                                                               
        noncurrent assets held-for-sale
                                                                                                      
        long-term liabilities held-for-sale
                                                                                                      
        accumulated other comprehensive loss
                        -3,468,000 -2,750,000 -3,714,000 -5,035,000 -6,000,000 -5,800,000 -6,538,000 -2,645,000           -257,000 -371,000 -1,524,000 -1,811,000 -1,569,000                                                  -592,000 -788,000 -1,569,000 -420,000   
        lease liabilities
                                56,740,000 60,868,000 60,237,000                                                                    
        costs and estimated earnings in excess of billings
                                       103,965,000 94,527,000 99,883,000 90,112,000 73,102,000 80,032,000 86,025,000 76,972,000 59,070,000 56,971,000 60,093,000 56,907,000 36,411,000 62,823,000 76,228,000 53,311,000 33,306,000 40,837,000 63,341,000 48,428,000 34,116,000 49,548,000 69,688,000 49,962,000 37,703,000 45,884,000 51,739,000 33,302,000 10,519,000 34,448,000 56,665,000 33,445,000 10,619,000 38,011,000 50,891,000 54,400,000 13,295,000 34,759,000 51,047,000 74,279,000 17,957,000 24,489,000 39,710,000 25,666,000 15,797,000 31,199,000 32,882,000 28,812,000 43,660,000 50,306,000 51,233,000 53,266,000 54,384,000 61,023,000 55,682,000 41,392,000 31,189,000 42,170,000 51,734,000 42,147,000 41,269,000   
        billings in excess of costs and estimated earnings
                                       135,146,000 168,707,000 114,180,000 91,527,000 97,522,000 116,151,000 90,484,000 89,188,000 92,515,000 122,409,000 106,086,000 95,328,000 108,992,000 115,809,000 125,957,000 125,618,000 138,375,000 144,706,000 144,044,000 124,609,000 139,692,000 91,348,000 75,629,000 87,370,000 90,845,000 89,505,000 122,014,000 113,347,000 120,185,000 157,233,000 144,935,000 142,935,000 156,041,000 187,205,000 184,665,000 190,540,000 227,364,000 251,402,000 226,213,000 218,935,000 275,849,000 274,209,000 242,469,000 270,641,000 287,843,000 327,272,000 278,499,000 231,475,000 208,883,000 189,067,000 148,161,000 137,241,000 144,401,000 145,159,000 128,257,000 116,965,000 99,337,000 108,670,000 97,367,000 93,192,000 99,758,000   
        assets held for sale
                                    62,988,000                                                                  
        real estate held for development and sale
                                               500,000 11,609,000 11,609,000 11,609,000 11,609,000 11,773,000 11,761,000 11,742,000 12,478,000 50,250,000 50,697,000 50,303,000 50,223,000 57,964,000 57,367,000 58,363,000 67,037,000 79,173,000 78,725,000 77,128,000 75,716,000 151,638,000 148,897,000 137,183,000 139,449,000 135,306,000 131,169,000 79,409,000 75,089,000 52,165,000 50,308,000 54,736,000 51,688,000                       
        current maturities of non-recourse debt
                                                5,822,000 6,128,000 6,435,000 1,226,000 1,226,000 1,226,000 1,226,000 1,226,000 2,147,000 2,147,000 4,132,000 10,707,000 16,712,000 16,328,000 19,765,000 23,071,000 16,690,000 16,454,000 17,740,000 29,760,000 39,157,000 39,657,000 40,565,000                                
        long-term non-recourse debt
                                                   5,516,000 5,822,000 6,129,000 6,435,000 6,741,000 7,048,000 7,354,000 7,628,000 922,000 4,375,000 4,641,000 1,371,000 9,912,000 27,755,000 28,907,000 30,454,000 25,337,000 16,420,000 16,615,000 16,895,000                                
        noncontrolling interests
                                                        16,313,000 29,807,000 44,253,000 41,905,000 34,693,000 28,650,000 31,486,000 28,466,000 26,001,000 25,966,000 34,293,000 34,604,000 43,208,000 39,788,000 43,424,000 51,905,000 50,277,000                              
        total granite construction inc. shareholders’ equity
                                                                       830,651,000 817,364,000 788,579,000 774,674,000                            
        accounts receivable
                                                                        382,572,000 281,432,000 233,867,000 314,733,000 480,315,000 418,657,000 320,526,000 397,097,000 536,519,000 489,435,000 413,267,000 492,229,000 634,548,000 530,882,000 439,400,000 476,453,000 586,476,000 498,892,000 380,762,000 357,842,000 434,390,000 389,479,000 276,486,000 288,210,000 326,757,000 295,194,000 210,060,000 231,769,000   
        noncontrolling interest
                                                                         52,672,000 38,865,000                            
        liabilities and shareholders’ equity
                                                                                                      
        minority interest in consolidated subsidiaries
                                                                           36,773,000 26,729,000 61,172,000 54,957,000 23,471,000 28,148,000 30,675,000 18,227,000 15,532,000 11,840,000 18,741,000 30,822,000 33,227,000 28,995,000 27,520,000 22,005,000 24,790,000 29,632,000 25,905,000 28,228,000 10,872,000 9,867,000 16,072,000 14,048,000    
        shareholders’ equity
                                                                                                      
        total shareholders’ equity
                                                                           767,509,000 735,377,000 689,325,000 667,105,000 700,199,000 781,439,000 730,986,000 688,794,000 694,544,000 689,681,000 645,478,000 614,596,000 621,560,000 587,330,000 549,135,000 536,849,000            
        total liabilities and shareholders’ equity
                                                                           1,743,455,000 1,821,529,000 1,772,894,000 1,658,642,000 1,786,418,000 1,806,967,000 1,757,106,000 1,546,704,000 1,632,838,000 1,746,782,000 1,657,297,000 1,449,441,000 1,472,230,000 1,532,027,000 1,347,875,000 1,233,228,000            
        other assets
                                                                             73,455,000 72,149,000 74,373,000 78,119,000 72,490,000 43,341,000 49,248,000 63,656,000 46,313,000 46,879,000 49,356,000 49,889,000 49,306,000 49,000,000 51,866,000 46,529,000 47,091,000 46,058,000 37,533,000 41,746,000 39,572,000 39,439,000 29,793,000   
        real estate held for sale
                                                                                57,296,000 54,722,000 58,192,000 55,888,000 50,141,000 42,572,000 50,189,000                
        unearned compensation
                                                                                       -10,179,000 -11,807,000 -13,380,000 -14,759,000 -10,818,000 -12,222,000 -13,747,000 -14,820,000 -11,523,000 -13,039,000 -14,691,000 -16,276,000 -16,960,000   
        shareholders’ equity - sum
                                                                                          551,608,000            
        liability and shareholders’ equity
                                                                                                      
        liabilities and stockholders’ equity
                                                                                                      
        stockholders’ equity
                                                                                                      
        stockholders’ equity - sum
                                                                                            544,412,000 515,480,000 505,663,000        
        short-term investments
                                                                                                   62,400,000   
        2.
                                                                                                      
        3.
                                                                                                      
        4.
                                                                                                      
      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 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-06-30 2002-03-31 
                                                                                                       
          operating activities:
                                                                                                       
          net loss
        -36,389,000    -28,327,000    -29,442,000        -9,821,000   55,747,000 -65,323,000  -98,357,000 -973,000 -72,538,000   -93,961,000 -31,081,000   -6,081,000 -9,662,000    -23,851,000    -10,510,000    -8,610,000    -21,261,000   3,165,000 -19,826,000   4,487,000 -8,687,000   6,173,000 -7,256,000                -2,249,000    -1,422,000    -8,267,000           
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                       
          depreciation, depletion and amortization
        42,012,000 48,818,000 48,247,000 35,197,000 30,171,000 34,048,000 33,815,000 29,400,000 29,068,000 26,972,000 23,770,000 21,795,000 19,733,000 20,855,000 29,386,000 15,591,000 16,737,000 28,042,000 28,155,000 28,272,000 24,581,000 28,245,000 27,444,000 28,822,000 28,447,000 30,718,000 30,953,000 32,901,000 28,846,000 33,728,000 34,269,000 28,036,000 15,511,000 17,823,000 17,374,000 16,499,000 14,649,000 17,738,000 17,135,000 15,766,000 13,736,000 15,792,000 17,186,000 15,704,000 15,627,000 18,284,000 18,090,000 16,046,000 15,832,000 18,111,000 20,800,000 18,018,000 15,970,000 12,450,000 14,078,000 14,612,000 14,961,000 14,855,000 15,227,000 15,173,000 15,291,000 -54,094,565 18,330,000 17,177,000 18,662,000 -58,967,805 19,378,000 19,047,000 20,623,000 -63,948,689 21,608,000 21,256,000 21,172,000 21,536,000 21,796,000 21,000,000 17,825,000 18,027,000 16,977,000 17,365,000 16,811,000 16,920,000 17,739,000 16,080,000 15,062,000  16,091,000 15,020,000 15,598,000       
          amortization related to long-term debt
        2,305,000 1,243,000 1,184,000 1,082,000 1,081,000 1,101,000 1,066,000 1,576,000 758,000 701,000 701,000 516,000 472,000 465,000 478,000 771,000 652,000                                                                               
          convertible debt inducement expense and related charges
        9,704,000                                                                                               
          gain on sales of property and equipment
        -2,949,000 -14,097,000 -767,000 -3,606,000 -1,737,000 -4,417,000 -1,542,000 -1,387,000 -1,418,000 -20,553,000 -1,812,000      -598,000 -27,090,000 -5,159,000 -31,636,000 -2,554,000 -2,060,000 -3,057,000 -1,190,000 -623,000  -7,101,000 -4,935,000 -1,900,000  -3,018,000 -1,505,000 -543,000 -1,352,000 -1,753,000 -807,000 -270,000 -5,994,000 -398,000 -1,366,000 -600,000 -6,196,000 -804,000 -475,000 -811,000 -9,081,000 -3,005,000 -2,992,000 -894,000 -4,477,000 -3,259,000 -3,307,000 -1,087,000 -20,954,000 -1,622,000 -2,954,000 -1,917,000 -4,217,000 -5,598,000 -3,270,000 -2,704,000 11,403,252 -3,165,000 -3,800,000 -4,452,000 6,860,831 -1,549,000 -2,808,000 -2,521,000 4,558,497 -2,008,000 -2,155,000 -401,000 -2,290,000 -2,994,000 -4,346,000 -713,000 -891,000 -1,230,000 -4,049,000 -4,238,000 -3,579,000 -2,441,000 -2,189,000 -26,000  -2,638,000 -1,109,000 -13,330,000       
          stock-based compensation
        41,186,000 2,305,000 2,213,000 2,415,000 32,217,000 2,270,000 2,241,000 2,189,000 12,895,000 1,847,000 1,928,000 1,874,000 4,828,000 1,614,000 1,775,000 1,762,000 2,614,000 1,226,000 1,539,000 2,577,000 1,065,000 1,174,000 1,267,000 1,538,000 2,398,000 1,289,000 1,703,000 1,473,000 5,748,000 2,163,000 2,428,000 2,421,000 7,772,000 2,184,000 2,356,000 2,311,000 8,913,000 2,370,000 2,450,000 2,578,000 5,985,000 1,801,000 1,970,000 1,829,000 3,163,000 2,227,000 2,348,000 2,490,000 4,095,000 2,798,000 2,544,000 2,715,000 5,386,000 2,565,000 2,418,000 2,296,000 4,196,000 3,161,000 3,081,000 2,764,000 3,149,000 -10,227,960 3,356,000 3,727,000 3,158,000 -7,858,235 3,308,000 1,784,000 2,777,000 -5,127,537 1,708,000 1,818,000 1,609,000 2,742,000 1,149,000 1,688,000 1,763,000 1,810,000 1,943,000 2,124,000 1,695,000               
          equity in net income from unconsolidated construction joint ventures
        -1,387,000   -2,568,000 -1,246,000    -2,290,000                                                                                       
          net income from affiliates
        -3,473,000 -5,220,000 -4,946,000 -3,698,000 -1,094,000 -4,061,000 -4,394,000 -4,557,000 -3,970,000 -6,370,000 -7,147,000      -1,289,000 -2,008,000 -2,539,000   -4,368,000 -2,353,000 -2,016,000 -46,000  -6,275,000   -1,408,000 -1,769,000   -2,200,000    -2,594,000                                                          
          other non-cash adjustments
        -447,000 630,000 440,000 -371,000 164,000 4,123,000 183,000 343,000 -691,000 36,000 5,666,000   184,000   -299,000  -819,000   -342,000 239,000   -610,000                                                                     
          changes in assets and liabilities:
                                                                                                       
          receivables
        -5,454,000 208,682,000 -54,897,000 -233,178,000 40,684,000 218,212,000 -5,534,000 -279,752,000 169,965,000 158,163,000 -114,793,000 -238,269,000 66,800,000    85,957,000 69,755,000 -32,488,000 -171,858,000 123,274,000 104,958,000 -62,632,000 -106,526,000 71,040,000  -146,394,000 -183,167,000 105,086,000 150,412,000 -130,175,000 -83,348,000 58,527,000 147,636,000 -143,044,000 -133,136,000 68,272,000 93,922,000 -82,392,000 -120,644,000 33,358,000 115,914,000 -94,529,000 -90,924,000 36,662,000 107,462,000 -59,753,000 -112,543,000 68,383,000 112,092,000 -90,680,000 -72,870,000 63,694,000 124,481,000 -94,295,000 -62,721,000 41,950,000 110,532,000 -75,880,000 -113,325,000 76,415,000 90,938,702 -74,098,000 -97,602,000 80,800,000                               
          contract assets
        -17,645,000 24,201,000 57,606,000 5,619,000 34,578,000 331,000 16,229,000 34,854,000 -62,882,000 41,376,000 54,784,000      -72,632,000 29,201,000 10,956,000 5,417,000 -33,528,000 -20,888,000 61,493,000 60,068,000 22,997,000  10,499,000 31,775,000 -55,550,000 -18,125,000 76,521,000 -28,389,000 -47,777,000                                                               
          inventories
        -25,663,000 3,913,000 13,660,000 1,942,000 -20,261,000 -1,495,000 13,805,000 -2,106,000 -13,066,000 1,991,000 18,000      -13,805,000 -4,177,000 11,013,000 -1,813,000 -4,249,000 18,362,000 2,912,000 -6,258,000 -9,880,000 6,558,000 6,727,000 -4,667,000 -8,238,000 2,163,000 5,243,000 -728,000 -8,798,000 -438,000 3,436,000 -6,714,000 -3,536,000 5,770,000 3,696,000 -5,267,000 -3,891,000 4,736,000 10,733,000 -6,386,000 4,284,000 5,685,000 4,896,000 -2,094,000 -14,933,000 -807,000 7,238,000 -2,614,000 -6,506,000 4,945,000 3,504,000 279,000 -16,807,000 7,012,000 6,740,000 -7,828,000 -5,881,000 -584,214 3,305,000 954,000 -3,683,000 -3,244,674 16,783,000 -9,501,000 -4,031,000 4,072,188 2,588,000 -2,271,000 -4,400,000 -5,119,000 2,882,000 -1,868,000 -5,808,000 491,000 -2,488,000 -4,120,000 -2,251,000 -1,462,000 2,678,000 -1,815,000 -851,000  -32,000 -2,822,000 -522,000       
          contributions to unconsolidated construction joint ventures
         -9,163,000 -4,500,000 -1,218,000 -2,000,000 -3,013,000 -3,600,000      -12,840,000 -14,200,000 -25,400,000 -22,180,000 -12,834,000   -13,767,000  -11,780,000 -18,567,000 -26,933,000 -15,333,000 -33,267,000 -29,666,000 -26,067,000 -13,000,000 -3,187,000 63,000 -813,000 -250,000 -3,527,000 -5,303,000 -2,715,000 -13,919,000 -14,644,000 -20,750,000 -20,000,000 -12,300,000 -11,000,000                                                 
          distributions from unconsolidated construction joint ventures and affiliates
        7,858,000 3,141,000 3,546,000 3,873,000 1,677,000 5,044,000 12,931,000 7,947,000 7,914,000 20,434,000 2,657,000 3,768,000 2,478,000 11,263,000 1,438,000 6,272,000 250,000 7,625,000 7,350,000 5,345,000 1,684,000 1,786,000 2,133,000 4,207,000 2,939,000 5,883,000                                                                      
          other assets
        -4,109,000 -30,411,000 -4,495,000 16,725,000 -9,504,000 -5,245,000 -1,682,000 23,595,000 -7,134,000 -11,013,000 -241,000   -13,721,000 14,962,000 14,363,000 1,264,000 -11,867,000 7,095,000 15,729,000 -22,926,000 5,173,000 8,395,000 -2,465,000 -12,138,000  14,220,000 -11,172,000 -4,189,000 -9,130,000 26,536,000 10,328,000 -6,136,000  19,735,000 9,253,000 -18,465,000  5,422,000 4,904,000 -12,448,000 -10,007,000 4,782,000 4,242,000 -3,305,000 -2,632,000 8,829,000 8,588,000 -10,167,000 9,126,000 792,000 548,000 -6,505,000 -10,935,000 5,281,000 14,202,000 829,000 -7,195,000 3,679,000 6,785,000 -1,105,000 -6,949,251 -6,417,000 18,308,000 -4,932,000 -13,627,410 4,474,000 4,116,000 5,040,000 -34,657,130 2,495,000 -4,419,000 36,622,000 -31,245,000 13,790,000 8,994,000 -4,163,000 -30,684,000 9,332,000 19,362,000 -8,083,000 -29,765,000 -15,368,000 12,330,000 3,671,000  -4,837,000 8,372,000 -528,000       
          accounts payable
        788,000 -106,621,000 50,327,000 69,772,000 -33,852,000 -104,057,000 53,797,000 110,709,000 -60,029,000 -77,893,000 93,169,000   -70,751,000 42,990,000 62,011,000 -44,028,000 -39,827,000 21,167,000 75,455,000 -49,399,000 -24,440,000 27,544,000 43,876,000 -87,979,000 -8,712,000 100,509,000 82,340,000 -34,110,000 -68,404,000 17,113,000 37,397,000 -12,838,000 -54,083,000 38,382,000 80,578,000 -28,161,000 -25,056,000 15,258,000 69,610,000 -22,081,000 -39,671,000 26,173,000 50,470,000 -28,609,000 -56,379,000 1,475,000 61,864,000 -19,629,000 -39,626,000 16,126,000 21,437,000 -31,985,000 -60,497,000 23,393,000 56,810,000 -29,178,000 -57,940,000 36,936,000 84,976,000 -35,012,000 -75,423,871 33,356,000 73,535,000 -31,469,000 -36,982,480 34,645,000 35,137,000 -32,843,000 -21,029,956 -4,948,000 43,423,000 -17,484,000 -48,244,000 -6,700,000 53,659,000 -43,217,000 -64,925,000 13,338,000 88,915,000 -12,523,000 -76,474,000 52,393,000 66,869,000 -1,763,000  5,901,000 78,855,000 -17,841,000       
          accrued expenses and other liabilities
        -37,209,000 -37,795,000 64,246,000 28,242,000 -31,741,000 -33,717,000 56,660,000 6,981,000 -13,605,000 -53,044,000 47,548,000   -22,720,000   -2,280,000 -29,576,000 25,116,000                                          -7,846,000     -32,633,261      46,616,000 -41,891,000 -22,487,000 -16,136,000 54,374,000 -12,553,000 9,765,000 8,509,000 56,060,000 -19,860,000 -34,589,000 53,826,000 24,644,000 -16,153,000  42,866,000 4,100,000 -14,015,000       
          net cash from operating activities
        -30,872,000 179,304,000 284,174,000 1,791,000 3,647,000 172,794,000 261,465,000 -1,989,000 24,073,000 149,509,000 153,146,000      -50,180,000 -37,991,000 90,926,000 -69,091,000 38,087,000 129,794,000 126,183,000 32,608,000 -20,125,000 137,936,000 67,017,000 -57,151,000 -36,364,000 71,647,000 90,188,000 -37,825,000 -37,620,000 81,581,000 41,928,000 9,350,000 13,336,000 93,446,000 33,629,000 -43,495,000 -10,434,000 75,107,000 48,534,000 -49,745,000 -6,918,000 89,975,000 25,555,000 -52,611,000 -19,777,000 69,895,000 -12,867,000 3,005,000 -54,653,000 71,627,000 54,787,000 -11,751,000 -22,873,000 90,327,000 18,754,000           -104,639,664 61,101,000 67,341,000 -23,545,000 97,221,000 64,355,000 69,324,000 3,888,000 41,684,000 9,906,000 168,004,000 40,049,000 45,754,000 99,599,000 35,500,000 -34,352,000  60,384,000 9,751,000 -24,762,000       
          capital expenditures
        -26,141,000 -50,540,000 -26,708,000 -28,816,000 -32,206,000 -28,238,000 -41,306,000 -38,990,000 -27,871,000 -31,421,000 -29,274,000      -31,269,000 -21,846,000 -26,527,000 -27,660,000 -18,777,000 -18,352,000 -22,665,000 -30,801,000 -21,435,000 -28,975,000 -25,610,000 -28,744,000 -24,970,000 -49,660,000 -20,504,000 -15,967,000 -10,887,000 -19,290,000 -16,146,000 -21,372,000 -23,081,000 -19,052,000 -24,272,000 -24,565,000 -18,035,000 -9,992,000 -8,545,000 -7,607,000 -5,957,000 -17,380,000 -9,716,000 -10,375,000 -11,045,000 -9,466,000 -9,956,000 -11,651,000 -6,116,000 -10,630,000 -9,225,000 -10,287,000 -7,206,000           76,003,865 -13,570,000 -31,793,000 -30,735,000 -35,868,000 -20,479,000 -28,574,000 -33,691,000 -26,135,000 -21,684,000 -44,110,000 -24,309,000 -18,214,000 -30,927,000 -33,087,000 -20,601,000  -11,397,000 -19,004,000 -18,521,000       
          free cash flows
        -57,013,000 128,764,000 257,466,000 -27,025,000 -28,559,000 144,556,000 220,159,000 -40,979,000 -3,798,000 118,088,000 123,872,000      -81,449,000 -59,837,000 64,399,000 -96,751,000 19,310,000 111,442,000 103,518,000 1,807,000 -41,560,000 137,936,000 38,042,000 -82,761,000 -65,108,000 46,677,000 40,528,000 -58,329,000 -53,587,000 70,694,000 22,638,000 -6,796,000 -8,036,000 70,365,000 14,577,000 -67,767,000 -34,999,000 57,072,000 38,542,000 -58,290,000 -14,525,000 84,018,000 8,175,000 -62,327,000 -30,152,000 69,895,000 -23,912,000 -6,461,000 -64,609,000 59,976,000 48,671,000 -22,381,000 -32,098,000 80,040,000 11,548,000           -28,635,799 47,531,000 35,548,000 -54,280,000 61,353,000 43,876,000 40,750,000 -29,803,000 15,549,000 -11,778,000 123,894,000 15,740,000 27,540,000 68,672,000 2,413,000 -54,953,000  48,987,000 -9,253,000 -43,283,000       
          investing activities:
                                                                                                       
          purchases of marketable securities
         -65,793,000 -37,925,000 -134,653,000 -4,000,000          -19,940,000 -5,000,000   -5,000,000       -9,952,000 -44,835,000 -29,892,000 -19,906,000 -29,910,000 -44,927,000 -54,864,000 -9,946,000 -19,948,000 -50,010,000 -24,987,000 -19,986,000 -9,988,000 -15,000,000 -14,984,000 -24,991,000 -10,000,000 -39,967,000 -19,982,000 -14,975,000 -64,660,000 -19,991,000 -14,958,000 -24,987,000 -39,976,000 -49,859,000 -37,946,000 -27,341,000 78,233,374 -18,282,000 -12,562,000 -47,511,000 61,874,989 -22,931,000 -9,785,000 -29,258,000 68,660,370 -40,112,000 -19,441,000 -9,179,000 -26,490,000 -47,910,000 -45,671,000 -32,883,000 -86,639,000 -87,447,000 -39,722,000 -20,060,000 -35,339,000 -36,408,000 -10,055,000 -15,075,000  -87,000 -13,027,000 -33,133,000       
          maturities of marketable securities
        39,000,000 54,810,000 52,815,000 10,500,000 7,100,000 6,500,000 6,500,000 5,000,000 20,000,000 10,000,000 20,000,000 10,000,000 30,000,000        5,000,000 5,000,000 10,000,000 15,000,000   15,000,000 25,000,000 35,000,000 30,000,000 20,000,000 40,000,000 30,000,000 20,000,000 10,000,000 15,000,000 5,000,000 2,560,000 10,000,000 6,700,000 10,000,000 5,000,000 15,000,000 20,000,000 5,000,000 6,650,000 14,000,000 23,000,000 20,000,000 20,000,000 5,000,000 50,100,000 15,000,000 25,000,000 27,500,000 34,375,000 24,000,000 -60,826,000 26,000,000   -32,573,030 5,000,000 12,000,000 15,610,000 -63,981,910 23,840,000 18,750,000 21,500,000 55,088,000 40,000,000 31,300,000 68,925,000  28,009,000 14,515,000 26,500,000  14,000,000 20,500,000 35,914,000  22,000,000         
          purchases of property and equipment
        -26,141,000 -50,540,000 -26,708,000 -28,816,000 -32,206,000 -28,238,000 -41,306,000 -38,990,000 -27,871,000 -31,421,000 -29,274,000      -31,269,000 -21,846,000 -26,527,000 -27,660,000 -18,777,000 -18,352,000 -22,665,000 -30,801,000 -21,435,000  -28,975,000 -25,610,000 -28,744,000 -24,970,000 -49,660,000 -20,504,000 -15,967,000 -10,887,000 -19,290,000 -16,146,000 -21,372,000 -23,081,000 -19,052,000 -24,272,000 -24,565,000 -18,035,000 -9,992,000 -8,545,000 -7,607,000 -5,957,000 -17,380,000 -9,716,000 -10,375,000                                               
          proceeds from sales of property and equipment
        8,646,000 21,924,000 2,575,000 4,897,000 3,449,000 7,113,000 2,510,000 1,694,000 2,535,000 23,496,000 4,049,000 6,046,000 4,518,000 4,954,000 5,821,000 12,806,000 2,483,000 36,800,000 9,485,000 45,513,000 3,004,000 4,419,000 5,005,000 3,413,000 3,865,000 8,987,000 20,234,000 3,183,000 4,687,000 6,758,000 6,776,000 2,029,000 675,000 5,095,000 2,522,000 1,525,000 1,060,000 7,156,000 3,280,000 1,738,000 772,000 9,709,000 1,377,000 973,000 1,089,000 16,357,000 6,419,000 4,478,000 1,360,000 7,328,000 9,950,000 5,064,000 3,417,000 26,024,000 2,290,000 3,195,000 2,883,000 7,888,000 9,805,000 5,643,000 4,623,000 -17,203,852 5,289,000 6,262,000 5,674,000 -10,065,980 2,673,000 3,675,000 3,741,000 -12,238,461 4,138,000 4,598,000 3,517,000 5,012,000 5,219,000 6,160,000 1,386,000 717,000 1,436,000 -601,000 14,846,000 15,727,000 5,579,000 3,416,000 290,000 3,321,000 11,877,000 3,828,000 5,363,000 2,075,000 4,363,000 1,524,000 536,000 883,000 530,000 
          other investing activities
        992,000 117,000 1,851,000                -2,000,000 111,000 4,470,000 9,572,000 -2,830,000 75,000 -1,528,000 9,398,000 -3,541,000 71,000 -286,000 -2,888,000 51,000 -76,000 345,000 -523,000 2,298,000 -44,000 67,000 -212,000 95,000 146,000 -274,000 437,000 -314,000 529,000 383,000 1,678,000 -1,156,000 8,000 39,000 -157,000 925,000 220,000 -57,000 -1,287,000 2,143,000 -684,000 -294,000 -705,000 2,193,000 274,000 -104,000 -76,591 410,000 -45,000 -288,000  11,000 291,000 148,000 -625,772    3,683,000    2,647,000 -1,000          -2,000 3,809,000 -2,004,000 147,000 -1,775,000 161,000 -173,000 
          net cash from investing activities
        22,497,000 -45,928,000 -740,538,000 -50,945,000 -156,310,000 -17,449,000 -160,985,000 -39,360,000 -10,762,000 -270,020,000 -24,892,000   -24,874,000 -16,443,000 -59,079,000 89,396,000 -4,097,000 -19,042,000 17,964,000 -16,303,000 639,000 -20,494,000 -27,309,000 5,902,000  2,718,000 -23,583,000 -24,343,000 41,715,000 -42,833,000 -48,581,000 10,101,000 -20,098,000 -24,362,000 5,429,000 -20,155,000 -35,613,000 -39,428,000 12,666,000 -34,015,000 -25,339,000 -8,916,000 4,671,000 -1,123,000 12,078,000 -2,101,000 -10,221,000 1,024,000 -39,361,000 -9,913,000 14,197,000 3,429,000 -91,280,000 3,326,000 42,023,000 3,377,000 -19,361,000 -3,567,000           58,877,743 -26,679,000 -32,306,000 89,000 -33,900,000 -25,708,000 -112,242,000 5,106,000 -28,211,000 -84,310,000 -70,963,000 -199,000 1,823,000 -47,714,000 -19,541,000 647,000  22,327,000 4,044,000 1,678,000       
          financing activities:
                                                                                                       
          debt repayments
        -288,798,000                                                                                               
          proceeds from partial unwind of capped call
        56,675,000                                                                                               
          cash dividends paid
        -5,655,000 -5,689,000 -5,692,000 -5,686,000 -5,652,000 -5,682,000 -5,679,000 -5,739,000 -5,713,000 -5,710,000 -5,710,000      -5,959,000 -5,958,000 -5,956,000 -5,953,000 -5,937,000 -5,935,000 -5,935,000 -5,927,000 -5,915,000  -6,088,000 -6,085,000 -6,067,000 -6,096,000 -5,939,000 -5,206,000 -5,183,000 -5,181,000 -5,179,000 -5,176,000 -5,151,000 -5,148,000 -5,148,000 -5,143,000 -5,124,000 -5,119,000 -5,118,000 -5,114,000 -5,094,000 -5,090,000 -5,087,000 -5,059,000 -5,083,000 -5,060,000 -5,072,000 -5,033,000 -5,045,000 -5,039,000 -5,028,000 -5,029,000 -5,021,000 -5,027,000 -5,029,000 -5,023,000 -5,038,000 15,089,850 -5,043,000 -5,044,000 -5,023,000 15,010,943 -5,028,000 -5,028,000 -4,975,000 15,060,945                          
          repurchases of common stock
        -18,441,000 -26,608,000 -6,283,000 -108,000 -15,209,000 -29,247,000 -240,000 -13,728,000 -7,416,000 -224,000 -134,000      -20,212,000 -127,000 -106,000 -198,000 -2,299,000 -132,000 -25,000 -75,000 -653,000  -2,968,000 -81,000 -3,867,000 -10,188,000 -204,000 -46,000 -6,119,000  -145,000 -120,000 -6,448,000  -101,000 -386,000 -4,459,000                               -45,468,000  -223,000 -216,000 -4,644,000  -2,000 -2,337,000 -4,030,000  -553,000 -2,175,000 -2,527,000  -71,000         
          contributions from non-controlling partners
        2,400,000    3,500,000 3,500,000 7,000,000 10,000,000 7,900,000 13,000,000 4,800,000 17,600,000 1,225,000 5,598,000 2,000 6,325,000 4,425,000 4,351,000 2,989,000 8,361,000 2,625,000 3,750,000                       -7,000 2,400,000 9,164,000 4,278,000                                               
          distributions to non-controlling partners
        -1,275,000 -13,622,000 -12,375,000 -1,800,000 -25,450,000 -7,515,000 -1,700,000 -12,422,000 -3,950,000 -5,124,000 -2,250,000       -6,492,000 2,814,000 -2,934,000 -2,902,000 -1,750,000 -2,200,000    -9,034,000   -3,147,000 -3,728,000               -7,380,000                                                 
          other financing activities
        -37,000 482,000 -7,000 -31,000 -8,000 336,000 1,079,000 264,000 -3,000 316,000 -2,000   231,000 -1,000 208,000 1,000 461,000 -1,000 3,000 -65,000 -17,000 -68,000 -1,881,000 2,273,000 462,000 4,000 1,236,000 2,000 415,000 12,000 488,000 -59,000 516,000 -44,000 334,000 -157,000 -498,000 -217,000 528,000 744,000 1,407,000 -303,000 -23,000 38,000 -109,000 637,000 795,000 495,000 346,000 90,000 741,000 -41,000 -2,671,000 85,000 407,000 156,000 -794,000 65,000 1,070,000 3,000 -13,938 7,000 -35,000 42,000          117,000 224,000 25,000  166,000 376,000 373,000 105,000 91,000 77,000 106,000 -109,000 -8,000         
          net cash from financing activities
        -255,131,000 -45,960,000 576,151,000 -7,903,000 -46,593,000 -39,301,000 -4,940,000 86,343,000 -109,222,000 246,050,000 -50,576,000 96,997,000 6,784,000    -82,904,000 -9,818,000 -1,016,000 -8,620,000 -4,992,000 -82,321,000 -6,587,000 37,650,000 -6,400,000  -30,187,000 25,429,000 -11,834,000 -70,591,000 -12,758,000 94,086,000 -12,611,000 -13,288,000 -10,118,000 -6,212,000 -13,006,000 -18,732,000 -5,194,000 -6,251,000 -10,089,000 -18,717,000 -5,980,000 -6,182,000 -8,517,000 -13,266,000 -2,738,000 3,510,000 -4,588,000 -13,876,000 -12,590,000 -30,142,000 -9,993,000 54,321,000 -8,742,000 -18,547,000 -11,268,000 -7,075,000 -12,157,000           117,258,330 -40,024,000 -14,814,000 -62,551,000 23,508,000 -19,320,000 81,549,000 -6,240,000 -10,962,000 -28,190,000 -17,560,000 -14,236,000 -6,993,000 -9,576,000 -14,195,000 -12,698,000  -9,990,000 -3,246,000 -14,543,000       
          net decrease in cash and cash equivalents
        -263,506,000   -57,057,000 -199,256,000                                                                                           
          cash and cash equivalents at beginning of period
        529,220,000 578,330,000  417,663,000                      233,711,000  189,326,000  252,836,000  255,961,000  229,121,000  321,990,000  256,990,000  252,022,000  338,956,000  460,843,000  352,434,000  204,893,000  199,881,000  161,627,000  69,919,000  52,032,000 125,174,000 
          cash and cash equivalents at end of period
        265,714,000 87,416,000 119,787,000 -57,057,000 379,074,000  95,540,000 44,994,000 321,752,000                        193,581,000  7,448,000 8,567,000 169,501,000  -10,993,000 -37,080,000 198,298,000  33,638,000 -51,256,000 239,403,000  20,716,000 -59,322,000 205,780,000  -35,370,000 -12,940,000 260,773,000  49,371,000 11,725,000 226,226,000  3,030,000 -50,699,000 240,768,000  49,404,000 -13,645,000 222,095,000  15,266,000 -34,315,000 390,483,000  -5,602,000 20,221,000 266,427,000  19,327,000 38,631,000 207,647,000  -102,594,000 79,481,000 225,495,000  42,309,000 1,764,000 115,224,000  72,721,000 10,549,000 102,006,000  -4,232,000 2,572,000 75,043,000 -11,126,000 102,277,000 
          net income
         58,936,000 109,397,000   47,051,000 83,977,000   21,709,000    2,821,000 69,289,000   -20,433,000            10,387,000    35,325,000 48,055,000   20,166,000 38,087,000   35,139,000 32,180,000   20,825,000 14,106,000   -32,561,000    18,374,000    24,792,000    -3,000,448 43,301,000 -2,633,000 -37,730,000 -73,091,799 36,538,000 22,667,000 13,987,000 -90,356,596 51,738,000 25,618,000 13,123,000 17,168,000 53,300,000   2,917,000 45,725,000   35,812,000 40,651,000   19,525,000 32,785,000 13,806,000 -9,109,000 13,858,000 25,834,000 10,794,000 10,018,000 16,558,000 -1,643,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                       
          non-cash loss on debt extinguishment
                                                                                                     
          deferred income taxes
                 25,014,000      2,545,000     7,821,000                                                                          
          equity in net loss from unconsolidated joint ventures
                  -8,540,000   -3,909,000 6,357,000 13,601,000 3,627,000 8,792,000 -1,055,000 -6,554,000 -418,000 12,957,000 8,023,000 18,690,000 11,816,000 -52,376,000 67,174,000   6,345,000 2,925,000    7,166,000                                                             
          acquisitions of businesses, net of cash acquired
         -72,239,000    1,270,000                                                                                          
          proceeds from long-term debt
         75,000,000                                                        906,000 -617,082 524,000 42,000 53,000 -8,373,250 3,473,000 2,476,000 2,435,000 -2,656,275 557,000 1,020,000 1,083,000                       
          proceeds from issuance of convertible notes
                                                                                                     
          debt principal repayments
         -75,282,000 -10,279,000 -278,000 -274,000 -272,000 -418,000 -207,668,000 -102,140,000 -267,000 -55,262,000      -63,059,000 -2,127,000 -2,118,000 -2,527,000 -2,150,000 -77,112,000 -2,109,000 -2,107,000 -2,105,000  -42,176,000 -21,940,000 -21,902,000 -111,775,000                                                                  
          capped call transactions
                                                                                                   
          redemption of warrants
             -1,083,000                                                                                       
          debt issuance costs
         -241,000    -421,000 -399,000   -841,000 -218,000                                                                                     
          net increase in cash and cash equivalents
         87,416,000                                                                                              
          equity in net loss from unconsolidated construction joint ventures
             4,451,000 1,403,000                                                                                         
          cash paid for purchase price adjustments on business acquisition
             -7,064,000 -6,119,000                                                                                       
          supplementary information:
                                                                                                       
          right of use assets obtained in exchange for lease obligations
           11,319,000 11,623,000    6,498,000   16,170,000 3,388,000 4,649,000 4,731,000 4,665,000 3,502,000 9,648,000 5,734,000 7,394,000 603,000 514,000 682,000 4,681,000 4,123,000 6,355,000 11,909,000                                                                     
          cash paid during the period for:
                                                                                                       
          operating lease liabilities
           6,889,000 6,702,000    5,681,000   5,527,000 5,824,000 5,476,000                                                                                  
          interest
           13,150,000 79,000    4,099,000   4,519,000 1,012,000 4,114,000 611,000 4,696,000 2,090,000 5,378,000 1,137,000 5,534,000 2,544,000 6,787,000 3,092,000 6,704,000 2,170,000 3,564,000 5,377,000 4,903,000 3,478,000 5,835,000 2,895,000 4,625,000 1,509,000                                       6,748,000 920,000 2,885,000 1,324,000 1,800,000 499,000 850,000 689,000 2,633,000 837,000 2,093,000 980,000 2,446,000 1,282,000  1,189,000 2,445,000 1,328,000       
          income taxes
           8,486,000 23,000    831,000   4,685,000 166,000 1,988,000 227,000 1,551,000 2,000 197,000 52,000 1,669,000 148,000 445,000 1,423,000 125,000 812,000 -2,000 437,000 11,210,000 253,000 10,493,000 1,330,000 7,097,000 149,000                                       755,000 6,097,000 29,788,000 35,977,000 732,000 6,000 37,502,000 30,968,000 710,000 10,331,000 43,115,000 2,772,000 511,000 3,153,000  111,000 113,000 2,980,000       
          other non-cash operating activities:
                                                                                                       
          deferred taxes related to capped call transactions
                                                                                                       
          non-cash investing and financing activities:
                                                                                                       
          rsus issued, net of forfeitures
           628,000 37,824,000    17,987,000   1,429,000 9,552,000 436,000 570,000 1,082,000 6,606,000 736,000 9,000 7,687,000 -133,000 -236,000 -149,000 108,000 4,726,000 23,000 32,000 1,082,000 7,459,000                                                                   
          dividends declared but not paid
           5,000 5,686,000    5,739,000   5,000 5,704,000 2,000 -45,000 -167,000 5,897,000 2,000 1,000 3,000 5,953,000                                                                           
          operating activities
                                                                                                       
          investing activities
                                                                                                       
          financing activities
                                                                                                       
          supplementary information
                                                                                                       
          loss on debt extinguishment
             -272,000                                                                                         
          deposit for legal settlement
                                                                                                       
          accrual for legal settlement
                         129,000,000                                                                           
          proceeds from the sale of business
                     -1,995,000                                                                                  
          issuance of notes receivable
                        -4,560,000                                             1,312,687 -72,000   4,258,686             -500,000               
          collection of notes receivable
                 4,990,000 73,000 73,000 62,000 314,000 115,000 90,000 111,000                     451,000                        -2,795,874 1,079,000         676,000  1,000 3,682,000  -1,000 1,000 2,911,000               
          net increase in cash, cash equivalents and restricted cash
                        -43,688,000 -51,906,000 70,868,000 -59,747,000 16,792,000 48,112,000 99,102,000       42,771,000                                                                  
          cash, cash equivalents and 0, 0 and 1,512 in restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and no restricted cash at end of any period
                                                                                                       
          proceeds from company owned life insurance
                  1,545,000                                                 -2,075,922                                 
          return of investment in affiliates
              736,000 693,000                                                                                       
          acquisition of business
                                                                               -14,022,000                       
          net decrease in cash, cash equivalents
                -95,911,000                                                                                       
          proceeds from called marketable securities
                             4,996,000 20,000,000             5,000,000 15,000,000 30,000,000 5,000,000 30,000,000 15,000,000 25,000,000 5,000,000                                                   
          proceeds from company-owned life insurance
                                                                                                       
          acquisition of businesses, net of cash acquired
                                                                                                       
          proceeds from debt
                                30,075,000 55,499,000 20,000,000 60,000,000                                                                  
          proceeds from issuance of 3.75% convertible notes
                                                                                                     
          cash, cash equivalents and 0, 1,512 and 1,512 in restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 0, 0 and 1,512 in restricted cash at end of period
                                                                                                       
          performance guarantees
                                                                                                       
          accrued equipment purchases
                   -8,023,000 3,693,000 4,848,000   5,511,000    2,443,000        -341,000    -1,418,000                                                               
          gain on sale of business
                                                                                                       
          net decrease in cash, cash equivalents and restricted cash
                  77,678,000              -20,623,000   -55,305,000 -72,541,000                                                                   
          cash, cash equivalents and 0 and 1,512 in restricted cash at beginning of period
                  293,991,000                                                                                   
          cash, cash equivalents and 0 in restricted cash at end of period
                  77,678,000                                                                                     
          accrual for resolution of sec investigation
                                                                                                       
          cash, cash equivalents and 0 and 1,512 in restricted cash at end of period
                    199,751,000                                                                                   
          non-cash impairment charges
                             132,277,000 24,413,000                                                                       
          cash, cash equivalents and 1,512, 1,512 and 5,835 in restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 0, 1,512 and 1,512 in restricted cash at end of period
                                                                                                       
          insurance receivable for legal settlement
                          -63,000,000                                                                           
          cash, cash equivalents and 1,512 in restricted cash at beginning of each period
                      413,655,000                                                                               
          gain on sale of discontinued operations
                        -6,234,000                                                                               
          net loss from affiliates
                                                                                                       
          deposit/insurance receivable for legal settlement
                                                                                                       
          accrual for expected resolution of sec investigation
                                                                                                       
          proceeds from the sale of discontinued operations
                       142,571,000                                                                               
          cash, cash equivalents and 0 and 1,512 in restricted cash at end of each period
                                                                                                       
          less: cash, cash equivalents and 0 and 1,512 in restricted cash included in current assets held-for-sale at end of each period
                                                                                                       
          cash and cash equivalents of continuing operations at end of period
                       -185,889,000 360,911,000                                                                               
          cash paid for operating lease liabilities
                       5,805,000 5,862,000 6,236,000 6,011,000 5,499,000 5,457,000 5,517,000 5,536,000 5,566,000 5,035,000 4,947,000 9,131,000 353,000 4,229,000                                                                   
          cash, cash equivalents and 1,512 in restricted cash at end of each period
                        369,967,000                                                                               
          less: cash, cash equivalents and 1,512 in restricted cash included in current assets held-for-sale at end of each period
                        9,056,000                                                                               
          amortization related to the 2.75% convertible notes
                         2,410,000 2,372,000 2,352,000 2,314,000 2,235,000 2,203,000 1,792,000 2,463,000                                                                       
          cash paid to purchase business
                                                                                                       
          proceeds from the sale of a business
                                                                                                       
          issuance of notes receivable, net of collection
                                                                                                       
          proceeds from issuance of 2.75% convertible notes
                                                                                                       
          proceeds from issuance of warrants
                                                                                                       
          purchase of hedge option
                                                                                                       
          cash, cash equivalents and 1,512, 5,835 and 5,825 in restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 1,512, 1,512 and 5,835 in restricted cash at end of period
                                                                                                       
          less: cash, cash equivalents and 1,512, 1,512 and 5,835 in restricted cash included in current assets held-for-sale at end of period
                                                                                                       
          reclassification of the equity portion of the 2.75% convertible notes from debt to equity
                                                                                                       
          cash, cash equivalents and 1,512 and 5,835 in restricted cash at beginning of period
                          437,648,000                                                                           
          cash, cash equivalents and 1,512 in restricted cash at end of both periods
                                                                                                       
          accrued expenses and other current liabilities
                            19,746,000 6,328,000 31,477,000 1,667,000 10,333,000  -25,336,000 38,486,000 -13,918,000 -49,781,000 32,112,000 14,248,000 -9,008,000 -12,247,000 14,425,000 1,714,000 7,456,000 -26,346,000 19,940,000 -14,709,000 14,551,000 -12,634,000 15,307,000 -12,976,000 14,162,000 -24,747,000 9,972,000 -6,033,000 -3,816,000    20,475,000 -18,322,000 12,492,000 3,958,000 -18,533,000 -17,098,000 28,000,000    10,257,000 2,510,000 -1,218,000   9,637,000 -20,120,000                           
          (purchases) maturities of marketable securities
                            -5,000,000                                                                           
          cash, cash equivalents and 1,512 and 4,881 in restricted cash at end of period
                            454,440,000                                                                           
          changes in assets and liabilities, net of the effect of an acquisition in 2019 and 2018:
                                                                                                       
          proceeds from the sale of an investment and business, respectively
                                                                                                       
          cash, cash equivalents and 5,835, 5,825 and 0 in restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 1,512, 5,835 and 5,825 in restricted cash at end of period
                                                                                                       
          accrued cash dividends
                             2,000 8,000 5,927,000 -161,000 -13,000 3,000 6,086,000 -29,000 157,000 734,000 5,206,000                                                               
          common stock issued in acquisition
                                     -56,000                                                                 
          common stock issued in conversion of 8.0% convertible notes
                                                                                                       
          premium on 8.0% convertible notes
                                                                                                     
          changes in assets and liabilities, net of the effect of an acquisition in 2019:
                                                                                                       
          cash, cash equivalents and 5,835 and 5,825 in restricted cash at beginning of period
                                268,108,000                                                                       
          cash, cash equivalents and 1,512 and 5,658 in restricted cash at end of period
                                                                                                       
          contributions to unconsolidated construction joint ventures and affiliates
                                                                                                       
          cash paid to purchase businesses, net of cash and restricted cash acquired
                                    3,000                                                                 
          cash, cash equivalents and 5,835 and 5,825 restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 1,512 and 5,825 restricted cash at end of period
                                                                                                       
          cash, cash equivalents and 4,881 and 5,825 in restricted cash at end of period
                                247,485,000                                                                       
          change in deferred income taxes
                                  -2,146,000   22,217,000        9,929,000    13,291,000 14,981,000 -14,000                1,568,000     539,107 -405,000 170,000 -283,000 -1,114,810 697,000 419,000 -7,811,000 310,000       -8,919,000 80,000  1,478,000       
          changes in assets and liabilities, net of the effects of acquisitions in 2019 and 2018:
                                                                                                       
          costs and estimated earnings in excess of billings
                                         -40,792,000 43,010,000 -2,703,000 -25,581,000 307,000 32,438,000 -8,852,000 -21,793,000 -25,995,000 26,579,000 6,408,000 -29,366,000 30,270,000 12,024,000 -12,832,000 -43,318,000 1,200,000 23,166,000 4,522,000 -29,395,000 14,122,000 35,859,000 -31,467,000 -15,734,000 9,521,000 -26,654,000                                     
          proceeds from issuance of debt
                                                                                                       
          proceeds from issuance of common stock warrants
                                                                                                       
          cash, cash equivalents and 5,825, 0, and 0 restricted cash at beginning of period
                                                                                                       
          cash, cash equivalents and 5,835, 5,825 and 0 restricted cash at end of period
                                                                                                       
          changes in assets and liabilities, net of the effects of acquisitions:
                                                                                                       
          cash, cash equivalents and 5,825 and 0 in restricted cash at beginning of each period
                                                                                                       
          cash, cash equivalents and 5,658 and 5,599 in restricted cash at end of each period
                                                                                                       
          common stock issued in conversion of 8% convertible notes
                                                                                                      
          distributions from unconsolidated construction joint ventures
                                   500,000 330,000 1,341,000 4,380,000 7,165,000 4,036,000 6,581,000 880,000 16,315,000 16,179,000 13,494,000 405,000 933,000 4,512,000 11,809,000 19,538,000 850,000 21,170,000 20,264,000 30,463,000 9,648,000 6,880,000                                               
          cash and cash equivalents and restricted cash of 5,825 and 0 at beginning of each period
                                   278,629,000                                                                   
          cash, cash equivalents and restricted cash of 5,825 and 5,746 at end of each period
                                                                                                       
          six months ended june 30,
                                                                                                       
          cash and cash equivalents and restricted cash, beginning of period
                                                                                                       
          end of the period
                                                                                                       
          cash and cash equivalents
                                                                                                       
          restricted cash
                                                                                                       
          total cash, cash equivalents and restricted cash, end of period
                                                                                                       
          equity in net income from unconsolidated joint ventures
                                    -455,000    -2,637,000    -1,456,000 289,000 -10,215,000 2,850,000 -8,538,000 -13,909,000 -10,918,000 -7,276,000 -11,271,000 -22,167,000 -1,277,000 -23,162,000 -2,562,000                                               
          cash, cash equivalents and restricted cash of 5,825 and 0 at end of period
                                    206,088,000                                                                   
          right-of-use assets obtained in exchange for lease obligations
                                    2,739,000                                                                   
          gain on sales of property, equipment and business
                                                                                                       
          changes in assets and liabilities, net of the effects of acquisitions and sale of business in 2018:
                                                                                                       
          cash and cash equivalents and restricted cash of 0 at beginning of each period
                                                                                                       
          cash, cash equivalents and restricted cash of 5,825, 0 and 0 at end of period
                                                                                                       
          restricted stock units issued, net of forfeitures
                                     191,000 515,000 765,000 12,257,000                                                               
          changes in assets and liabilities, net of the effects of acquisitions in 2018:
                                                                                                       
          cash, cash equivalents and restricted cash of 5,599 at end of period
                                                                                                       
          proceeds from long term debt
                                                                                                       
          long-term debt principal repayments
                                       -1,250,000  -1,250,000 -1,250,000 -1,250,000  -1,250,000 -1,250,000 -1,250,000      -306,000                                                 
          cash, cash equivalents and restricted cash of 5,746 at end of period
                                                                                                       
          decrease in cash and cash equivalents
                                        -40,130,000  7,448,000 8,567,000 -19,825,000  -10,993,000 -37,080,000 -54,538,000  33,638,000 -51,256,000 -16,558,000  20,716,000 -59,322,000 -23,341,000   -12,940,000 -61,217,000   11,725,000 -30,764,000  3,030,000 -50,699,000 -11,254,000  49,404,000 -13,645,000 -116,861,000  15,266,000 -34,315,000 -70,360,000               1,764,000 -46,403,000          -22,897,000 
          non-cash restructuring gains
                                                                                                       
          prepaid and other assets
                                                                                                       
          debt principal payments
                                                                                                       
          purchases of common stock
                                                 -452,000 -34,000 -100,000 -3,191,000  -382,000 -91,000 -4,278,000  -435,000 -115,000 -4,907,000                                           
          increase in cash and cash equivalents
                                                         16,658,000    34,668,000                    86,829,000 19,327,000 38,631,000 2,754,000     40,584,000    -23,649,000 72,721,000 10,549,000 -37,627,000 -3,464,000 -4,232,000 2,572,000 23,011,000   
          cash and cash equivalents at beginning of year
                                                                                                       
          cash and cash equivalents at end of year
                                                                                                       
          gain on real estate entity
                                                                                                     
          distributions from affiliates
                                                                   1,325,000                    413,000    119,000 1,181,000 -66,000 8,064,000 129,000  -39,000 -285,000 13,984,000   
          (distributions to) contributions from non-controlling partners
                                                  -525,000 -945,000 -270,000                                                   
          non-cash restructuring and impairment gains
                                                                                                       
          contributions from (distributions to) non-controlling partners
                                                                                                       
          non-cash restructuring and impairment (gains) charges
                                                                                                       
          final consideration for kenny acquisition
                                                                                                       
          changes in assets and liabilities, net of the effects of acquisition in 2012:
                                                                                                       
          acquisition of kenny, net of cash acquired
                                                                                                       
          long-term debt principal payments
                                                         -1,248,000 -306,000   -167,000 -750,000 -8,334,000 -2,500,000 386,000 -1,142,000 -8,916,000 -7,235,000 18,452,171 -317,000 -9,416,000 -8,739,000 18,120,144 -664,000 -10,193,000 -7,282,000 15,730,908                          
          purchase of common stock
                                                               -217,000 -3,837,000 -189,000 -178,000 -147,000 -3,515,000 3,370,359 60,000 -138,000 -3,296,000 2,836,569 -19,000 -804,000 -2,017,000                           
          proceeds from sale of marketable securities
                                                      10,000,000 15,000,000 5,000,000 20,000,000 20,000,000 15,000,000 20,000,000 14,000,000 5,000,000 14,268,000                                   
          payment of kenny post-closing adjustments
                                                          -3,761,000                                             
          gain on restructuring
                                                                                                       
          change in deferred income tax
                                                        1,613,000                                               
          non-cash restructuring and impairment charges
                                                                                                       
          non-cash restructuring
                                                          474,000   -1,311,000 106,000                                         
          other non-cash impairment charges
                                                             137,000 349,000                                         
          changes in assets and liabilities, net of the effects of acquisition:
                                                                                                       
          equity in construction joint ventures, including performance guarantees
                                                          -12,336,000                                             
          accrued expenses and other current liabilities, net, including performance guarantees
                                                          17,812,000                                             
          additions to property and equipment
                                                          -11,045,000 -9,466,000 -9,956,000 -11,651,000 -6,116,000 -10,630,000 -9,225,000 -10,287,000 -7,206,000 -15,782,000 -11,760,000 30,144,996 -8,373,000 -7,097,000 -14,712,000 75,685,355 -20,114,000 -26,058,000 -29,601,000 76,003,865 -13,570,000 -31,793,000 -30,735,000 -35,868,000 -20,479,000 -28,574,000 -33,691,000 -26,135,000 -21,684,000 -44,110,000 -24,309,000 -18,214,000 -30,927,000 -33,087,000 -20,601,000 -40,714,000 -11,397,000 -19,004,000 -18,521,000 -8,370,000 -11,838,000 -22,458,000 -20,139,000 -22,973,000 -12,099,000 
          contributions from noncontrolling partners
                                                          6,000               -238,580 36,000 46,000 157,000                           
          distributions to noncontrolling partners
                                                          -6,873,000   -8,071,000 -2,582,000 -5,374,000 -66,000 -4,092,000 -5,873,000 -9,554,000 -2,062,000 20,918,502 -1,143,000 -7,655,000 -12,142,000 16,463,981 -7,207,000 -6,130,000 -3,153,000                           
          equity in construction joint ventures
                                                            -64,874,000 -693,000 9,931,000 -15,870,000 9,078,000 -3,614,000 -9,762,000 -8,880,000 -4,057,000 14,001,770 -8,519,000 -860,000 -4,631,000 13,745,988 -8,235,000 -5,792,000 258,000 10,868,659 -2,375,000 -2,951,000 -5,553,000 2,511,000 -4,451,000 5,022,000 -5,510,000 6,057,000 -6,328,000 -5,282,000 1,049,000 -2,894,000 -3,347,000 -496,000 224,000  -1,167,000 1,104,000 -318,000       
          real estate held for development and sale
                                                             -577,000 -624,000 662,000 60,000 -1,979,000 -566,000 556,000 -1,715,000 10,074,257 -3,737,000 -4,665,000 -1,687,000 13,341,737 -4,472,000 -4,504,000 -4,383,000 13,409,775 -12,153,000 1,776,000 -3,048,000                       
          purchase of company owned life insurance
                                                                                                       
          purchase of private preferred stock
                                                                   6,393,600 -6,400,000                               
          acquisition of business, net of cash acquired
                                                                                                       
          loss on company owned life insurance
                                                                 -621,000                                      
          changes in assets and liabilities, net of the effects of consolidations:
                                                                                                       
          gain from restructuring
                                                                -1,888,000                                       
          gain on company owned life insurance
                                                                -1,203,000   14,000 -550,000 2,651,679 -907,000 -1,748,000                               
          restructuring impairment charges
                                                                                                       
          other impairment charges
                                                                                                       
          equity in income of affiliates
                                                                                 -846,000 -4,037,000   -636,000    -1,489,000     -3,000 -2,766,000 -107,000       
          contributions to (distributions from) affiliates
                                                                                                       
          adjustments to reconcile net loss to net cash from (used in) operating activities:
                                                                                                       
          billings in excess of costs and estimated earnings
                                                                    -29,621,000 22,601,244 34,515,000 -21,220,000 -35,932,000 64,806,353 15,420,000 -2,366,000 -77,929,000 41,205,177 41,477,000 30,510,000 -113,236,000 8,172,000 46,961,000 -42,216,000 -27,071,000 -24,027,000 50,456,000 42,954,000 37,440,000 26,462,000 41,833,000 12,953,000 -6,042,000  11,561,000 -2,998,000 -39,480,000       
          net cash from (used in) operating activities
                                                                    676,000                                   
          net cash from (used in) investing activities
                                                                    5,011,000                                   
          net cash used in financing activities
                                                                    -16,941,000  -5,912,000 -22,246,000 -29,105,000  -9,123,000 -19,646,000 -14,386,000                           
          inventory written down
                                                                                                       
          benefit from (recovery of) doubtful accounts
                                                                                                       
          gain from marketable securities
                                                                                                       
          equity in (income) loss of affiliates
                                                                         4,352,304 -4,021,000                             
          acquisition of noncontrolling interest
                                                                                                       
          gain on sale of investment in affiliate
                                                                                                       
          gain on early extinguishment of debt
                                                                                                       
          changes in assets and liabilities, net of the effects of acquisition and consolidations:
                                                                                                       
          release of funds for acquisition of noncontrolling interest
                                                                                                       
          acquisition of businesses
                                                                                 -2,116,000                     
          contributions to affiliates
                                                                     1,231,342 -219,000 -849,000 -165,000 4,964,031 2,000 -2,752,000 -2,219,000 5,336,947 -925,000   -3,033,000 -198,000 -1,261,000 -2,313,000 -382,000                  
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                       
          impairment of real estate held for development and sale
                                                                        -1,684,314 650,000   -4,495,500                          
          provision for (recovery of) doubtful accounts
                                                                      -270,000 -102,000 508,000                               
          equity in loss of affiliates
                                                                            444,000  1,257,000 -528,000 707,000    -351,000   -828,000 77,000   17,000 60,000           
          net cash provided by operating activities
                                                                                                       
          net cash used in investing activities
                                                                      5,832,000 23,165,000 -63,402,000  -39,629,000                             
          adjustments to reconcile net income to net cash used in operating activities:
                                                                                                       
          net cash used in operating activities
                                                                       -14,564,000 -24,354,000    -14,395,000                           
          intangible impairment charge
                                                                                                       
          (recovery of ) benefit from doubtful accounts
                                                                                                       
          excess tax benefit on stock-based compensation
                                                                         669,172 -270,000 13,000 -413,000 742,149 3,000 -746,000 -617,000 -342,000 -2,700,000                   
          acquisition expense
                                                                                                       
          (gain) loss from marketable securities
                                                                                                       
          (decrease) increase in cash and cash equivalents
                                                                              -5,602,000 20,221,000 -86,007,000                       
          (recovery of) provision for doubtful accounts
                                                                          -458,000                             
          gain from trading securities
                                                                          -244,000                             
          accounts receivable
                                                                          -90,622,000 -56,320,000 84,999,000 85,657,533 -68,536,000 -100,463,000 83,442,000 142,691,000 -47,120,000 -76,197,000 87,512,000 143,269,000 -107,024,000 -88,737,000 33,587,000 113,359,000 -93,635,000 -116,712,000 -21,873,000  -45,696,000 -108,958,000 49,619,000       
          other financing
                                                                          16,000 36,000                           
          adjustments to reconcile net income to net cash (used in) provided by operating activities:
                                                                                                       
          net cash (used in) provided by operating activities
                                                                                                       
          net cash (used in) provided by investing activities
                                                                            -41,579,000                           
          goodwill impairment charge
                                                                                                       
          inventory reserve adjustment
                                                                                                       
          provision for doubtful accounts
                                                                             -8,903,042 7,531,000 1,142,000 241,000                       
          common stock contributed to esop
                                                                                          1,994,000 1,995,000       
          minority interest in consolidated subsidiaries
                                                                             -31,014,666 594,000 7,969,000 22,495,000 7,109,000 6,504,000 4,799,000 2,447,000 599,000 -13,421,000 5,585,000 1,067,000 8,447,000 3,771,000 5,480,000 50,000           
          equity in loss (income) of affiliates
                                                                                                       
          acquisition of minority interest
                                                                             16,599,383 -16,616,000                     
          loss on sale of marketable securities
                                                                                                       
          release of funds for acquisition of minority interest
                                                                             -28,303,668 28,332,000                       
          repurchase of common stock
                                                                                                       
          contributions from minority partners
                                                                             -4,949,974 211,000 104,000 4,640,000 2,851,000 6,482,000 11,630,000 12,324,000 262,000 259,000 234,000 5,416,000 35,000 107,000 209,000 595,000 -423,000 931,000         
          distributions to minority partners
                                                                             37,667,091 -35,074,000 -2,615,000 -24,000 -11,355,000 -13,798,000 -2,685,000 -5,975,000 -19,000 -4,614,000 -17,907,000 -467,000 -3,946,000 -2,295,000 -310,000 -900,000 -7,581,000 -744,000         
          repayments of long-term debt
                                                                               -8,349,000 -6,683,000 -90,222,000 -22,735,000 -19,895,000 -6,746,000 -16,883,000 -50,089,000 -12,388,000 -13,513,000 -339,000 -3,939,000 -33,438,000 -6,782,000 -3,317,000 -26,238,000 -15,776,000 -6,811,000 -2,744,000 -5,312,000 -15,737,000 -7,718,000 -6,594,000 -6,789,000 
          dividends paid
                                                                               -4,974,000 -5,129,000 -4,192,000 -4,194,000 -4,194,000 -4,184,000 -4,185,000 -4,184,000 -4,184,000 -4,169,000 -4,171,000 -4,171,000 -4,172,000 -4,161,000 -4,162,000 -4,161,000 -4,160,000 -4,153,000 -4,153,000 -4,155,000 -4,154,000 -3,301,000 -3,305,000 -3,288,000 
          other
                                                                                                       
          non-cash investing and financing activity:
                                                                                                       
          restricted stock issued for services
                                                                               143,000 6,692,000 381,000 -1,061,000 263,000 11,607,000 135,000 10,000 9,629,000 -349,000 7,000 -25,000 5,388,000  136,000 -31,000 4,265,000       
          restricted stock units issued
                                                                               6,000 3,202,000                       
          dividends accrued but not paid
                                                                               4,976,000 937,000 -3,000 1,000 4,194,000 -1,000 1,000 -1,000 4,185,000 -1,000 -1,000 4,172,000  1,000 1,000 4,160,000       
          financed acquisition of assets
                                                                                 1,710,000 880,000 612,000 500,000 2,335,000         6,863,000       
          debt repayments from sale of assets
                                                                                 4,960,000 3,407,000 870,000 -123,000                 
          gain on sale of equity investment
                                                                                                       
          proceeds from sales of equity investment
                                                                                                       
          stock options and other financing activities
                                                                                                       
          the accompanying notes are an integral part of these consolidated financial statements.
                                                                                                       
          provision for (benefit from) doubtful accounts
                                                                                  -37,000 -82,000 1,238,000                   
          changes in assets and liabilities, net of acquisitions of businesses:
                                                                                                       
          real estate held for sale
                                                                                  -520,000 943,000 -2,562,000 -5,247,000 -5,113,000 3,371,000 -3,300,000               
          additions to long-term debt
                                                                                  14,689,000 96,685,000 260,000  30,274,000 18,646,000 2,154,000  1,184,000 25,614,000 971,000  20,301,000         
          changes in assets and liabilities, net of business acquisitions:
                                                                                                       
          changes in assets and liabilities, net of the effects of acquisitions and fin 46 consolidations:
                                                                                                       
          maturities and sales of marketable securities
                                                                                                47,842,000       
          cash and cash equivalent added in fin 46 consolidations
                                                                                                       
          notes received from sale of assets
                                                                                              8,893,000       
          distributions to affiliates
                                                                                                       
          increase (decrease) in cash and cash equivalents
                                                                                      -102,594,000 79,481,000 25,614,000               
          escrow funds from sale of assets
                                                                                                       
          undisbursed escrow funds
                                                                                          -1,250,000 1,250,000 1,250,000    8,500,000       
          bad debt expense
                                                                                                       
          amortization of unearned compensation
                                                                                         1,506,000 1,584,000 1,391,000 1,476,000  1,661,000 1,042,000 968,000       
          (contributions to) distributions from affiliates
                                                                                         -4,582,000 42,000             
          changes in assets and liabilities, net of the effects of initial fin 46 consolidations:
                                                                                                       
          cash and cash equivalents added in initial fin 46 consolidations
                                                                                                       
          financed acquisition of long-term asset
                                                                                                      
          acquisition of businesses, net of cash received
                                                                                                       
          stock options exercised
                                                                                                       
          proceeds from exercise of warrants
                                                                                                       
          changes in assets and liabilities, net of the effects of fin 46 consolidations:
                                                                                                       
          proceeds from sale of equity investment
                                                                                                      
          cash and cash equivalents added in fin 46 consolidations
                                                                                                       
          minority interest in income of consolidated subsidiaries
                                                                                                       
          changes in assets and liabilities, net of the effects of fin 46 consolidation:
                                                                                                       
          cash and cash equivalents added in fin 46 consolidation
                                                                                               69,714,000       
          change in minority interest
                                                                                                830,000       
          repurchase of common stock and other
                                                                                                -3,579,000  962,000 -553,000 -1,126,000 -216,000 -4,131,000 
          distributions from (investment in) affiliates
                                                                                                       
          acquisitions of businesses, net of cash received
                                                                                                       
          additions of long-term debt
                                                                                                  1,590,000     
          sale of subsidiary common stock
                                                                                                       
          purchases of short-term investments
                                                                                                     -191,396,000 -89,716,000 
          maturities of short-term investments
                                                                                                     205,492,000 95,407,000 
          investment in affiliates
                                                                                                       
          the accompanying notes are an integral part of these condensed consolidated financial statements.