7Baggers

Advanced Drainage Systems, Inc
(NYSE:WMS) 

WMS stock logo

Advanced Drainage Systems, Inc. designs, manufactures, and markets thermoplastic corrugated pipes and related water management products, and drainage solutions for use in the underground construction and infrastructure marketplace in the United States, Canada, and internationally. The company offers...

Founded: 1966
Full Time Employees: 4,950
Sector: Industrials
Industry: Building Products & Equipment

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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 
                                                    
      net sales
    676,761,000 693,354,000 850,381,000 829,880,000 615,761,000 690,538,000 782,610,000 815,336,000 653,840,000 662,367,000 780,220,000 778,046,000 617,559,000 655,167,000 884,209,000 914,186,000 678,187,000 715,357,000 706,471,000 669,300,000 443,809,000 486,145,000 544,187,000 508,639,000 370,768,000 393,424,000 495,905,000 413,708,000 272,218,000 318,113,000 406,555,000 387,847,000 250,114,000 320,832,000 401,049,000 358,359,000 244,184,000 294,716,000 360,785,000 357,576,000 245,398,000 312,827,000 383,329,000 349,124,000 208,876,000 278,176,000 364,724,000 328,297,000 
      yoy
    9.91% 0.41% 8.66% 1.78% -5.82% 4.25% 0.31% 4.79% 5.87% 1.10% -11.76% -14.89% -8.94% -8.41% 25.16% 36.59% 52.81% 47.15% 29.82% 31.59% 19.70% 23.57% 9.74% 22.95% 36.20% 23.67% 21.98% 6.67% 8.84% -0.85% 1.37% 8.23% 2.43% 8.86% 11.16% 0.22% -0.49% -5.79% -5.88% 2.42% 17.49% 12.46% 5.10% 6.34%     
      qoq
    -2.39% -18.47% 2.47% 34.77% -10.83% -11.76% -4.01% 24.70% -1.29% -15.11% 0.28% 25.99% -5.74% -25.90% -3.28% 34.80% -5.20% 1.26% 5.55% 50.81% -8.71% -10.67% 6.99% 37.19% -5.76% -20.67% 19.87% 51.98% -14.43% -21.75% 4.82% 55.07% -22.04% -20.00% 11.91% 46.76% -17.15% -18.31% 0.90% 45.71% -21.55% -18.39% 9.80% 67.14% -24.91% -23.73% 11.10%  
      cost of goods sold
    439,097,000 434,202,000 510,249,000 499,442,000 389,509,000 448,944,000 488,669,000 482,882,000 401,877,000 402,518,000 477,543,000 446,586,000 395,138,000 431,250,000 564,246,000 562,079,000 468,777,000 506,380,000 506,414,000 468,179,000 316,592,000 317,640,000 338,330,000 320,136,000 262,013,000 270,066,000 349,381,000 307,256,000 212,714,000 245,714,000 311,182,000 288,156,000 201,999,000 243,006,000 311,248,000 271,620,000 204,933,000 225,275,000 270,273,000 260,970,000 189,990,000 239,504,000 299,594,000 276,538,000 207,355,000 228,059,000 282,282,000 256,264,000 
      gross profit
    237,664,000 259,152,000 340,132,000 330,438,000 226,252,000 241,594,000 293,941,000 332,454,000 251,963,000 259,849,000 302,677,000 331,460,000 222,421,000 223,917,000 319,963,000 352,107,000 190,229,000 208,977,000 200,057,000 201,121,000 127,217,000 168,505,000 205,857,000 188,503,000 108,755,000 123,358,000 146,524,000 -62,158,000 59,504,000 72,399,000 95,373,000 99,691,000 48,115,000 77,826,000 89,801,000 86,739,000 39,251,000 69,441,000 90,512,000 96,606,000 55,408,000 73,323,000 83,735,000 72,586,000 1,521,000 50,117,000 82,442,000 72,033,000 
      yoy
    5.04% 7.27% 15.71% -0.61% -10.20% -7.03% -2.89% 0.30% 13.28% 16.05% -5.40% -5.86% 16.92% 7.15% 59.94% 75.07% 49.53% 24.02% -2.82% 6.69% 16.98% 36.60% 40.49% -403.26% 82.77% 70.39% 53.63% -162.35% 23.67% -6.97% 6.20% 14.93% 22.58% 12.07% -0.79% -10.21% -29.16% -5.29% 8.09% 33.09% 3542.87% 46.30% 1.57% 0.77%     
      qoq
    -8.29% -23.81% 2.93% 46.05% -6.35% -17.81% -11.58% 31.95% -3.03% -14.15% -8.68% 49.02% -0.67% -30.02% -9.13% 85.10% -8.97% 4.46% -0.53% 58.09% -24.50% -18.14% 9.21% 73.33% -11.84% -15.81% -335.73% -204.46% -17.81% -24.09% -4.33% 107.19% -38.18% -13.34% 3.53% 120.99% -43.48% -23.28% -6.31% 74.35% -24.43% -12.43% 15.36% 4672.26% -96.97% -39.21% 14.45%  
      gross margin %
    35.12% 37.38% 40.00% 39.82% 36.74% 34.99% 37.56% 40.78% 38.54% 39.23% 38.79% 42.60% 36.02% 34.18% 36.19% 38.52% 28.05% 29.21% 28.32% 30.05% 28.66% 34.66% 37.83% 37.06% 29.33% 31.35% 29.55% -15.02% 21.86% 22.76% 23.46% 25.70% 19.24% 24.26% 22.39% 24.20% 16.07% 23.56% 25.09% 27.02% 22.58% 23.44% 21.84% 20.79% 0.73% 18.02% 22.60% 21.94% 
      operating expenses:
                                                    
      selling, general and administrative
    137,622,000 108,742,000 119,224,000 103,961,000 91,416,000 100,778,000 94,132,000 94,052,000 101,189,000 91,289,000 91,725,000 86,511,000 78,409,000 85,936,000 88,639,000 86,520,000 79,609,000 80,059,000 73,951,000 76,221,000                             
      loss on disposal of assets and costs from exit and disposal activities
    28,026,000 87,000 -15,926,000 7,024,000 3,426,000 -477,000 617,000 292,000 2,304,000 2,512,000 123,000 -13,304,000 4,544,000 -348,000 -102,000 303,000 844,000 3,466,000 -901,000 -11,000 1,021,000 980,000 627,000 1,647,000 872,000 1,755,000 2,004,000 707,000 2,075,000 144,000 324,000 1,104,000 4,535,000 1,924,000 5,121,000 3,423,000 5,432,000 2,138,000           
      intangible amortization
    18,678,000 13,500,000 13,539,000 13,707,000 14,429,000 14,429,000 11,816,000 11,895,000 13,093,000 12,782,000 12,792,000 12,802,000 13,837,000 13,842,000 13,841,000 13,677,000 17,745,000 15,138,000 15,446,000 15,645,000 19,815,000 17,956,000 17,955,000 17,982,000 32,575,000 13,593,000 9,300,000 1,542,000 1,935,000 1,976,000 1,985,000 1,984,000 1,997,000 2,012,000 2,015,000 2,044,000 2,117,000 2,116,000 2,128,000 2,187,000 2,175,000 2,182,000 2,341,000 2,526,000 2,119,000 2,356,000 2,638,000 2,641,000 
      income from operations
    53,338,000 136,823,000 223,295,000 205,746,000 116,981,000 126,864,000 187,376,000 226,215,000 135,377,000 153,266,000 198,037,000 245,451,000 125,631,000 124,487,000 217,585,000 251,607,000 80,777,000 110,314,000 111,561,000 109,266,000 32,890,000 82,963,000 121,574,000 107,098,000 6,759,000 41,020,000 57,219,000 -200,347,000 6,705,000 24,903,000 46,749,000 51,056,000 -4,874,000 27,199,000 34,432,000 31,497,000 -23,562,000 21,176,000 43,256,000 35,458,000 -2,536,000 24,088,000 33,360,000 29,681,000 -21,477,000 8,967,000 41,163,000 29,614,000 
      yoy
    -54.40% 7.85% 19.17% -9.05% -13.59% -17.23% -5.38% -7.84% 7.76% 23.12% -8.98% -2.45% 55.53% 12.85% 95.04% 130.27% 145.60% 32.97% -8.24% 2.02% 386.61% 102.25% 112.47% -153.46% 0.81% 64.72% 22.40% -492.41% -237.57% -8.44% 35.77% 62.10% -79.31% 28.44% -20.40% -11.17% 829.10% -12.09% 29.66% 19.46% -88.19% 168.63% -18.96% 0.23%     
      qoq
    -61.02% -38.73% 8.53% 75.88% -7.79% -32.29% -17.17% 67.10% -11.67% -22.61% -19.32% 95.37% 0.92% -42.79% -13.52% 211.48% -26.78% -1.12% 2.10% 232.22% -60.36% -31.76% 13.52% 1484.52% -83.52% -28.31% -128.56% -3088.02% -73.08% -46.73% -8.44% -1147.52% -117.92% -21.01% 9.32% -233.68% -211.27% -51.04% 21.99% -1498.19% -110.53% -27.79% 12.40% -238.20% -339.51% -78.22% 39.00%  
      operating margin %
    7.88% 19.73% 26.26% 24.79% 19.00% 18.37% 23.94% 27.75% 20.70% 23.14% 25.38% 31.55% 20.34% 19.00% 24.61% 27.52% 11.91% 15.42% 15.79% 16.33% 7.41% 17.07% 22.34% 21.06% 1.82% 10.43% 11.54% -48.43% 2.46% 7.83% 11.50% 13.16% -1.95% 8.48% 8.59% 8.79% -9.65% 7.19% 11.99% 9.92% -1.03% 7.70% 8.70% 8.50% -10.28% 3.22% 11.29% 9.02% 
      other expense:
                                                    
      interest expense
    25,145,000 22,579,000 23,116,000 23,029,000 22,729,000 23,094,000 23,156,000 22,824,000 22,878,000 22,331,000 21,941,000 21,712,000 20,848,000 20,001,000 18,261,000 11,072,000 8,450,000 8,756,000 8,437,000 7,907,000 7,895,000 8,433,000 9,360,000 9,970,000 11,924,000 13,191,000 52,332,000 5,264,000 4,590,000 5,695,000 4,531,000 3,802,000 2,642,000 3,086,000 5,055,000 4,479,000 3,916,000 4,221,000 4,546,000 4,784,000 4,504,000 4,723,000 4,947,000 4,286,000 6,359,000 4,056,000 4,338,000 4,615,000 
      interest income and other
    -11,239,000 -8,499,000 -8,012,000 -6,705,000 -4,968,000 -4,792,000 -6,956,000 -7,116,000                                         
      income before income taxes
    39,432,000 122,743,000 208,191,000 189,422,000 99,220,000 108,562,000 171,176,000 210,507,000 120,156,000 135,707,000 183,602,000 227,288,000 107,123,000 108,611,000 198,929,000 242,437,000 74,679,000 102,537,000 102,922,000 103,373,000 27,516,000 74,695,000 112,365,000 97,695,000 -6,601,000 27,790,000 4,712,000 -205,515,000 2,844,000 18,574,000 42,124,000 48,068,000 -8,022,000 25,076,000 31,916,000 27,972,000 -27,051,000 17,727,000 40,444,000 33,711,000 -5,282,000 16,804,000 19,221,000 18,815,000 -36,987,000 -301,000 36,832,000 24,985,000 
      income tax expense
    5,358,000 30,557,000 52,399,000 46,674,000 23,166,000 27,091,000 40,920,000 49,886,000 26,333,000 30,131,000 47,476,000 55,058,000 21,948,000 26,068,000 47,508,000 55,065,000 28,008,000 28,792,000 26,816,000 26,455,000 7,091,000 20,264,000 31,827,000 27,200,000 -8,763,000 4,032,000 -3,547,000 22,370,000 1,081,000 2,490,000 12,194,000 14,284,000 -4,401,000 -7,371,000 13,437,000 9,746,000 -10,913,000 5,986,000 15,348,000 14,194,000 1,016,000 8,100,000 4,368,000 7,371,000 -13,066,000 -1,248,000 14,062,000 9,695,000 
      equity in net income of unconsolidated affiliates
    -1,161,000 -1,851,000 -708,000 -1,343,000 -734,000 -818,000 -918,000 -1,701,000 -1,656,000 -1,304,000 -901,000 -1,675,000 -1,137,000 -639,000 -1,956,000 -1,110,000   -206,000 -205,000   -67,000 -173,000                         
      net income
    34,145,000 94,037,000 156,500,000 144,091,000 76,788,000 82,289,000 131,174,000 162,322,000 95,479,000 106,880,000 137,027,000 173,905,000 86,312,000 83,182,000 153,377,000 188,482,000 47,129,000 74,462,000 76,312,000 77,123,000 20,776,000 54,041,000 80,605,000 70,668,000 3,533,000 23,659,000 8,462,000 -227,451,000 1,893,000 16,550,000 29,372,000 33,651,000 -4,856,000 33,215,000 17,959,000 18,474,000 -18,052,000 10,258,000 24,281,000 19,421,000 -10,597,000 7,787,000 14,481,000 11,798,000 -25,185,000 499,000 22,768,000 14,669,000 
      yoy
    -55.53% 14.28% 19.31% -11.23% -19.58% -23.01% -4.27% -6.66% 10.62% 28.49% -10.66% -7.73% 83.14% 11.71% 100.99% 144.39% 126.84% 37.79% -5.33% 9.13% 488.06% 128.42% 852.55% -131.07% 86.63% 42.95% -71.19% -775.91% -138.98% -50.17% 63.55% 82.15% -73.10% 223.80% -26.04% -4.88% 70.35% 31.73% 67.67% 64.61% -57.92% 1460.52% -36.40% -19.57%     
      qoq
    -63.69% -39.91% 8.61% 87.65% -6.68% -37.27% -19.19% 70.01% -10.67% -22.00% -21.21% 101.48% 3.76% -45.77% -18.63% 299.93% -36.71% -2.42% -1.05% 271.21% -61.56% -32.96% 14.06% 1900.23% -85.07% 179.59% -103.72% -12115.37% -88.56% -43.65% -12.72% -792.98% -114.62% 84.95% -2.79% -202.34% -275.98% -57.75% 25.02% -283.27% -236.09% -46.23% 22.74% -146.85% -5147.09% -97.81% 55.21%  
      net income margin %
    5.05% 13.56% 18.40% 17.36% 12.47% 11.92% 16.76% 19.91% 14.60% 16.14% 17.56% 22.35% 13.98% 12.70% 17.35% 20.62% 6.95% 10.41% 10.80% 11.52% 4.68% 11.12% 14.81% 13.89% 0.95% 6.01% 1.71% -54.98% 0.70% 5.20% 7.22% 8.68% -1.94% 10.35% 4.48% 5.16% -7.39% 3.48% 6.73% 5.43% -4.32% 2.49% 3.78% 3.38% -12.06% 0.18% 6.24% 4.47% 
      less: net income attributable to noncontrolling interest
    1,245,000 411,000 483,000 169,000 -369,000 1,058,000 792,000 920,000 657,000 1,241,000 1,225,000 253,000 419,000 1,142,000 1,370,000 1,336,000 822,000 784,000 953,000 1,136,000 1,022,000 267,000 369,000 202,000 1,228,000 371,000 873,000 -1,095,000 883,000 738,000 702,000 1,371,000 847,000 1,110,000 96,000 732,000 725,000 1,205,000           
      net income attributable to ads
    32,900,000 93,626,000 156,017,000 143,922,000 77,157,000 81,231,000 130,382,000 161,402,000 94,822,000 105,639,000 135,802,000 173,652,000 85,893,000 82,040,000 152,007,000 187,146,000 46,307,000 73,678,000 75,359,000 75,987,000 19,754,000 53,774,000 80,236,000 70,466,000 2,305,000 23,288,000 7,589,000 -226,356,000 1,010,000 15,812,000 28,670,000 32,280,000 -5,703,000 32,105,000 17,863,000 17,742,000 -18,110,000 9,053,000 23,734,000 18,273,000 -11,631,000 7,976,000 10,899,000 10,710,000 -27,644,000 -367,000 22,390,000 14,241,000 
      weighted-average common shares outstanding:
                                                    
      basic
    77,756,000 77,815,000 77,752,000 77,641,000 77,549,000 77,540,000 77,542,000 77,540,000 78,252,000 77,857,000 78,606,000 78,908,000 82,315,000 82,067,000 83,466,000 83,144,000 71,276,000 71,267,000 70,464,000 71,534,000 70,155,000 70,450,000 69,843,000 69,380,000 63,820,000 68,508,000 60,222,000 57,576,000 57,025,000 57,180,000 56,929,000 56,594,000 55,696,000 55,917,000 55,269,000 55,303,000 54,919,000 54,557,000 54,429,000 54,071,000 53,978,000 54,133,000 53,882,000 53,623,000 51,344,000 52,986,000 51,518,000 47,536,000 
      diluted
    78,383,000 78,447,000 78,310,000 78,122,000 78,188,000 78,115,000 78,110,000 78,282,000 79,017,000 78,586,000 79,307,000 79,634,000 83,336,000 82,987,000 84,498,000 84,389,000 72,911,000 72,789,000 71,924,000 73,124,000 71,566,000 71,586,000 70,755,000 70,126,000 63,820,000 69,298,000 60,876,000 57,576,000 57,611,000 57,685,000 57,558,000 57,158,000 56,334,000 56,459,000 55,893,000 56,010,000 55,624,000 55,167,000 55,276,000 54,928,000 55,052,000 54,527,000 54,282,000 54,055,000 51,344,000 52,986,000 56,463,000 47,536,000 
      net income per share
                                                    
      basic
    0.42 1.2 2.01 1.85 1.05 1.68 2.08 1.23 1.36 1.73 2.2 1.08 1.82 2.25 0.55 0.88 0.9 0.89 0.22 0.63 0.95 0.83 0.1 0.28 0.1 -4.06 0.01 0.25 0.45 0.51 -0.09 0.52 0.29 0.29 -0.31 0.14 0.38 0.29 -0.2 0.13 0.18 0.18 -0.5 -0.01 0.51 -0.09 
      diluted
    0.42 1.19 1.99 1.84 0.99 1.04 1.67 2.06 1.21 1.34 1.71 2.18 1.06 0.99 1.8 2.22 0.54 0.86 0.88 0.87 0.21 0.62 0.93 0.83 0.1 0.28 0.1 -4.06 0.02 0.25 0.45 0.51 -0.09 0.51 0.29 0.28 -0.31 0.14 0.38 0.29 -0.19 0.12 0.17 0.18 -0.49 -0.01 0.51 -0.09 
      derivative gain and other income
            -3,956,750 -4,772,000          -2,014,000                             
      derivative loss and other expense
              -7,506,000                                      
      derivative gains and other income
               -3,549,000 -2,340,000 -4,125,000  -1,902,000 -697,750 -979,000   -220,750 -165,000  -567,000    -96,000    -814,000 -1,114,000 -963,000 -2,539,000 -954,000             
      derivative losses and other expense
                  395,000                      -427,000 -772,000 -1,734,000 -3,037,000 -1,758,000 2,561,000 9,192,000 6,580,000     
      equity in net loss of unconsolidated affiliates
                    -282,000 -717,000   -351,000 390,000   -1,371,000 99,000 -203,000 -434,000 -130,000 -466,000 558,000 133,000 1,235,000 -768,000 520,000 -248,000 1,914,000 1,483,000 815,000 96,000 4,299,000 917,000 372,000 -354,000 1,264,000 448,000 2,000 621,000 
      derivative (gains) loss and other expense
                      202,000                              
      cost of goods sold - esop special dividend compensation
                               168,610,000                     
      selling
                        22,320,750 30,537,000 30,586,000 28,160,000 30,765,000 29,967,000 29,971,000 26,365,000 24,179,000 23,260,000 24,731,000 24,165,000 22,416,000 22,903,000 24,346,000 23,099,000 22,743,000 21,292,000 23,210,000 24,230,000 23,277,000 21,880,000 22,594,000 21,227,000 20,698,000 19,275,000 19,762,000 19,246,000 
      general and administrative
                        26,200,000 36,069,000 35,115,000 33,616,000 37,784,000 37,023,000 48,030,000 31,433,000 24,610,000 22,116,000 21,584,000 21,382,000 24,041,000 23,788,000 23,887,000 26,676,000 32,521,000 22,719,000 21,181,000 34,529,000 32,238,000 25,776,000 25,145,000 18,286,000 -181,000 19,519,000 18,879,000 20,532,000 
      selling, general and administrative - esop special dividend compensation
                               78,142,000                     
      derivative gains (loss) and other income
                          -151,000                          
      derivative loss (gains) and other expense
                            1,436,000 39,000 175,000  -21,500 634,000 94,000                  
      cash dividends declared per share
                                0.06 0.08 0.08 0.08 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.06 0.05 0.05 0.05 0.05 0.04 0.04   
      accretion of redeemable noncontrolling interest
                                        -419,000 -399,000 -380,000 -362,000 -346,000 -329,000 -257,000      
      dividends to redeemable convertible preferred stockholders
                                    -353,750 -456,000 -470,000 -489,000 -399,000 -407,000 -415,000 -425,000 -343,000 -349,000 -362,000 -371,000 -284,000 -298,000 -37,000 -37,000 
      dividends paid to unvested restricted stockholders
                                    -11,750 -12,000 -16,000 -19,000 13,000 -32,000 -24,000 -30,000 -6,000 -6,000 -6,000 -6,000 -2,000 -9,000   
      net income available to common stockholders and participating securities
                                    16,562,000 31,637,000 17,377,000 17,234,000 -18,915,000 8,215,000 22,915,000 17,456,000 -12,326,000 7,292,000 10,274,000 10,333,000 -27,930,000 -674,000 29,672,000 -4,169,000 
      undistributed income allocated to participating securities
                                    -1,397,000 -2,766,000 -1,397,000 -1,429,000 2,366,000 -503,000 -2,040,000 -1,524,000 1,648,000 -479,000 -822,000 -858,000 -662,500  -3,404,000  
      net income available to common stockholders
                                    15,165,000 28,871,000 15,980,000 15,805,000 -16,549,000 7,712,000 20,875,000 15,932,000 -10,678,000 6,813,000 9,452,000 9,475,000 -25,280,000 -674,000 26,268,000 -4,169,000 
      loss on disposal of assets or businesses
                                          737,000 202,000 254,000 -603,000 295,000 866,000     
      less net income attributable to noncontrolling interest
                                          547,000 1,148,000 1,034,000 -189,000 3,582,000 1,088,000 2,459,000 866,000 378,000 428,000 
      change in fair value of redeemable convertible preferred stock
                                                  7,319,000 -18,373,000 
      gain on sale of business
                                                    
      other miscellaneous expense
                                                9,151,000 5,212,000 -7,000 14,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 
                                                       
        assets
                                                       
        current assets:
                                                       
        cash
      223,012,000 1,008,190,000 812,862,000 638,268,000 463,319,000 488,859,000 613,020,000 541,637,000 490,163,000 560,744,000 470,409,000 366,104,000 217,128,000 426,690,000 457,357,000 463,696,000 20,125,000 22,173,000 14,005,000 142,833,000 195,009,000 223,996,000 203,883,000 235,210,000 174,233,000 98,312,000 54,207,000 9,357,000 8,891,000 19,758,000 17,612,000 18,394,000 17,587,000 18,407,000 11,183,000 8,717,000 6,450,000 12,097,000 8,804,000 9,168,000 6,555,000 6,412,000 3,481,000 4,847,000 3,623,000 3,931,000 3,931,000 3,931,000 3,931,000 
        receivables
      390,536,000 237,594,000 400,459,000 379,786,000 333,221,000 247,940,000 357,636,000 369,256,000 323,576,000 240,810,000 352,562,000 342,338,000 306,945,000 242,485,000 387,952,000 427,620,000 341,753,000 303,140,000 361,466,000 303,736,000 236,191,000 188,744,000 260,180,000 241,830,000 200,028,000 156,973,000 250,470,000 231,829,000 186,991,000 152,538,000 236,968,000 228,905,000 171,961,000 176,942,000 279,711,000 215,432,000 168,943,000 154,576,000 215,294,000 212,167,000 186,883,000 171,768,000 254,583,000 229,684,000 154,294,000 150,713,000 150,713,000 150,713,000 150,713,000 
        inventories
      543,381,000 431,245,000 423,778,000 453,695,000 488,269,000 476,369,000 487,232,000 487,833,000 464,200,000 405,409,000 385,090,000 434,631,000 463,994,000 459,029,000 479,171,000 489,492,000 494,324,000 465,518,000 425,244,000 330,713,000 300,961,000 238,860,000 223,268,000 239,239,000 282,398,000 261,347,000 248,914,000 230,284,000 264,540,000 246,451,000 247,161,000 261,721,000 263,792,000 215,045,000 214,283,000 262,188,000 258,430,000 222,631,000 223,226,000 238,718,000 230,466,000 204,131,000 220,257,000 258,977,000 269,842,000 260,300,000 260,300,000 260,300,000 260,300,000 
        assets held for sale
      43,451,000                                                 
        other current assets
      30,449,000 28,065,000 35,813,000 45,277,000 39,974,000 31,928,000 34,032,000 25,574,000 22,028,000 31,459,000 23,855,000 25,450,000 29,422,000 29,162,000 23,400,000 20,532,000 15,696,000 16,188,000 16,858,000 18,314,000 10,817,000 11,934,000 13,248,000 13,085,000 9,552,000 9,153,000 10,629,000 9,185,000 6,091,000 7,641,000 7,219,000 8,740,000 5,113,000 4,962,000 7,161,000 9,512,000              
        total current assets
      1,230,829,000 1,705,094,000 1,672,912,000 1,517,026,000 1,324,783,000 1,245,096,000 1,491,920,000 1,424,300,000 1,299,967,000 1,238,422,000 1,231,916,000 1,168,523,000 1,017,489,000 1,157,366,000 1,347,880,000 1,401,340,000 871,898,000 807,019,000 817,573,000 795,596,000 742,978,000 663,534,000 700,579,000 729,364,000 666,211,000 525,785,000 564,220,000 480,655,000 466,513,000 426,388,000 508,960,000 517,760,000 458,453,000 415,356,000 512,338,000 495,849,000 440,566,000 394,786,000 454,897,000 468,513,000 436,763,000 402,276,000 500,859,000 514,366,000 446,731,000 428,499,000 428,499,000 428,499,000 428,499,000 
        property, plant and equipment
      1,217,165,000 1,153,550,000 1,110,883,000 1,078,728,000 1,051,040,000 1,017,555,000 955,434,000 927,668,000 876,351,000 810,887,000 773,993,000 747,312,000 733,059,000 685,496,000 653,432,000 636,042,000 619,383,000 590,949,000 544,187,000 518,229,000 504,275,000 496,052,000 481,947,000 477,100,000 481,380,000 488,386,000 492,017,000 396,280,000 398,891,000 402,819,000 402,238,000 391,710,000 399,381,000 410,534,000 410,271,000 417,635,000 406,858,000 393,480,000 397,409,000 401,822,000 391,744,000 387,654,000 389,826,000 389,283,000 377,067,000 292,082,000 292,082,000 292,082,000 292,082,000 
        other assets:
                                                       
        goodwill
      1,042,716,000 725,200,000 725,279,000 725,698,000 720,223,000 720,543,000 617,147,000 617,048,000 617,183,000 617,397,000 620,165,000 620,428,000 620,193,000 619,275,000 619,487,000 619,626,000 610,293,000 611,578,000 598,976,000 599,255,000 599,072,000 598,957,000 598,416,000 598,200,000 597,819,000 668,154,000 669,753,000 102,844,000 102,638,000 102,423,000 103,002,000 102,792,000 103,017,000 103,282,000 103,380,000 100,860,000 100,566,000 100,441,000 100,696,000 100,857,000 100,885,000 100,205,000 100,483,000 98,894,000 98,679,000 86,297,000 86,297,000 86,297,000 86,297,000 
        intangible assets
      848,527,000 410,286,000 423,787,000 437,326,000 448,060,000 462,491,000 328,924,000 340,747,000 352,652,000 365,631,000 382,050,000 394,837,000 407,627,000 421,450,000 435,281,000 449,115,000 431,385,000 447,411,000 450,925,000 466,384,000 482,016,000 501,812,000 519,660,000 537,457,000 555,338,000 498,113,000 501,572,000 35,733,000 37,177,000 38,554,000 40,693,000 42,486,000 44,437,000 46,439,000 48,429,000 50,125,000 51,758,000 53,457,000 55,682,000 57,822,000 59,869,000 61,492,000 63,811,000 55,761,000 58,055,000 66,184,000 66,184,000 66,184,000 66,184,000 
        other assets
      166,386,000 150,181,000 146,428,000 151,167,000 146,254,000 156,569,000 142,325,000 137,775,000 122,760,000 129,622,000 129,850,000 117,569,000 122,757,000 122,071,000 121,519,000 119,240,000 116,799,000 98,802,000 94,963,000 95,154,000 85,491,000 82,081,000 72,770,000 72,910,000 69,140,000 68,737,000 67,758,000 52,903,000 36,940,000 36,856,000 39,342,000 36,158,000 37,954,000 37,623,000 35,691,000 48,860,000 46,537,000 45,002,000 46,195,000 45,614,000 48,387,000 49,220,000 51,656,000 59,561,000 61,167,000 64,533,000 64,533,000 64,533,000 64,533,000 
        total assets
      4,505,623,000 4,144,311,000 4,079,289,000 3,909,945,000 3,690,360,000 3,602,254,000 3,535,750,000 3,447,538,000 3,268,913,000 3,161,959,000 3,137,974,000 3,048,669,000 2,901,125,000 3,005,658,000 3,177,599,000 3,225,363,000 2,649,758,000 2,555,759,000 2,506,624,000 2,474,618,000 2,413,832,000 2,342,436,000 2,373,372,000 2,415,031,000 2,369,888,000 2,249,175,000 2,295,320,000 1,068,415,000 1,042,159,000 1,007,040,000 1,094,235,000 1,090,906,000 1,043,242,000 1,013,234,000 1,110,109,000 1,113,329,000 1,046,285,000 987,166,000 1,054,879,000 1,074,628,000 1,037,648,000 1,000,847,000 1,106,635,000 1,117,865,000 1,041,699,000 937,595,000 937,595,000 937,595,000 937,595,000 
        liabilities, mezzanine equity and stockholders’ equity
                                                       
        current liabilities:
                                                       
        current maturities of debt obligations
      5,865,000 6,458,000 8,660,000 9,310,000 9,934,000 10,621,000 11,130,000 11,486,000 11,870,000 12,275,000 12,950,000 13,806,000 14,693,000 15,601,000 16,765,000 18,113,000 19,451,000 20,764,000 7,000,000 7,000,000 7,000,000 7,000,000 7,000,000 7,963,000 7,955,000 7,954,000 6,195,000 25,939,000 25,932,000 26,165,000 26,395,000 26,623,000 26,848,000 26,833,000 26,818,000 27,301,000 37,789,000 36,717,000 36,497,000 35,880,000 35,870,000 35,860,000 35,850,000 10,215,000 9,580,000 11,153,000 11,153,000 11,153,000 11,153,000 
        current maturities of finance lease obligations
      38,136,000 36,664,000 40,818,000 35,212,000 33,143,000 30,944,000 26,233,000 22,642,000 18,015,000 12,844,000 11,698,000 10,447,000 8,541,000 6,556,000 5,358,000 5,227,000 5,089,000 5,167,000 17,467,000 18,934,000 19,318,000 18,957,000 19,319,000 19,586,000 20,382,000 21,413,000 22,555,000 22,695,000                      
        accounts payable
      237,706,000 168,884,000 225,946,000 227,079,000 218,024,000 183,913,000 273,293,000 264,828,000 254,401,000 207,902,000 223,536,000 205,591,000 210,111,000 174,106,000 236,603,000 274,606,000 224,986,000 195,471,000 257,576,000 229,300,000 171,098,000 108,368,000 114,030,000 96,654,000 106,710,000 78,292,000 111,450,000 106,413,000 93,577,000 66,361,000 95,861,000 102,884,000 105,521,000 71,591,000 93,944,000 107,131,000 121,922,000 71,362,000 95,437,000 112,646,000 119,606,000 74,000,000 87,020,000 109,163,000 111,893,000 108,111,000 108,111,000 108,111,000 108,111,000 
        liabilities held for sale
      15,139,000                                                 
        other accrued liabilities
      212,623,000 193,865,000 190,069,000 161,226,000 137,295,000 162,205,000 152,091,000 148,263,000 154,260,000 162,275,000 158,784,000 137,511,000 142,400,000 170,549,000 169,774,000 148,605,000 134,877,000 140,578,000 129,818,000 124,081,000 116,151,000 119,956,000 119,084,000 105,148,000 101,116,000 106,527,000 97,979,000 76,267,000 61,901,000 67,567,000 65,116,000 66,037,000 60,560,000 66,665,000 71,611,000 59,523,000 54,460,000 56,720,000 59,582,000 64,806,000 65,099,000 75,070,000 80,690,000 61,821,000 54,349,000 37,956,000 37,956,000 37,956,000 37,956,000 
        total current liabilities
      509,469,000 413,377,000 480,863,000 471,604,000 398,396,000 388,090,000 467,337,000 492,927,000 439,622,000 409,125,000 427,867,000 419,587,000 378,802,000 370,280,000 439,300,000 504,758,000 391,241,000 364,084,000 413,839,000 407,450,000 318,270,000 277,559,000 282,491,000 258,901,000 238,213,000 222,085,000 241,348,000 243,983,000 206,285,000 190,055,000 220,797,000 233,421,000 221,243,000 197,568,000 226,531,000 228,811,000 255,754,000 216,676,000 239,626,000 248,260,000 241,628,000 211,475,000 228,459,000 207,532,000 197,594,000 164,592,000 164,592,000 164,592,000 164,592,000 
        long-term debt obligations
      1,605,958,000 1,275,701,000 1,248,506,000 1,250,050,000 1,251,589,000 1,253,129,000 1,255,118,000 1,257,320,000 1,259,522,000 1,261,742,000 1,264,197,000 1,266,797,000 1,269,391,000 1,272,040,000 1,275,211,000 1,279,176,000 908,705,000 931,765,000 901,511,000 780,565,000  783,874,000 885,528,000 1,037,470,000  991,267,000 1,043,154,000 230,337,000  200,764,000 252,524,000 278,561,000  260,981,000 358,047,000 377,712,000              
        long-term finance lease obligations
      121,935,000 126,847,000 133,020,000 135,671,000 131,000,000 114,927,000 90,272,000 79,521,000 61,661,000 37,947,000 31,729,000 28,795,000 32,272,000 14,571,000 13,893,000 11,429,000 11,393,000 13,354,000 35,149,000 35,241,000 32,964,000 34,007,000 37,016,000 40,611,000 44,501,000 48,604,000 52,746,000 56,368,000                      
        deferred tax liabilities
      220,994,000 216,786,000 206,929,000 186,784,000 190,416,000 193,285,000 154,574,000 155,763,000 156,705,000 159,296,000 159,060,000 158,942,000 159,056,000 163,259,000 164,945,000 166,741,000 168,435,000 172,143,000 163,238,000 162,988,000 162,185,000 167,645,000 172,183,000 173,270,000 175,616,000 156,707,000 158,079,000 48,745,000 45,963,000 35,472,000 35,750,000 34,008,000 32,304,000 31,021,000 42,971,000 43,753,000 44,007,000 52,159,000 54,602,000 52,545,000 63,683,000 60,567,000 61,842,000 64,225,000 65,088,000 69,169,000 69,169,000 69,169,000 69,169,000 
        other liabilities
      91,303,000 82,583,000 80,860,000 87,560,000 83,171,000 88,437,000 76,183,000 77,194,000 70,704,000 71,980,000 72,942,000 62,682,000 66,744,000 69,767,000 68,580,000 66,472,000 64,939,000 53,903,000 61,366,000 62,480,000 54,767,000 52,453,000 40,551,000 40,266,000 37,608,000 34,112,000 37,017,000 28,641,000 19,119,000 22,220,000 24,721,000 22,950,000 25,023,000 22,681,000 22,868,000 23,484,000 26,530,000 31,070,000 32,147,000 40,185,000 30,803,000 29,299,000 31,877,000 30,165,000 28,602,000 15,324,000 15,324,000 15,324,000 15,324,000 
        total liabilities
      2,549,659,000 2,115,294,000 2,150,178,000 2,131,669,000 2,054,572,000 2,037,868,000 2,043,484,000 2,062,725,000 1,988,214,000 1,940,090,000 1,955,795,000 1,936,803,000 1,906,265,000 1,889,917,000 1,961,929,000 2,028,576,000 1,544,713,000 1,535,249,000 1,575,103,000 1,448,724,000 1,350,406,000 1,315,538,000 1,417,769,000 1,550,518,000 1,585,306,000 1,452,775,000 1,532,344,000 608,074,000 541,524,000 512,052,000 596,075,000 626,328,000 609,433,000 577,210,000 711,351,000 735,281,000 695,850,000 624,894,000 698,257,000 739,351,000 708,268,000 659,171,000 769,449,000 790,191,000 727,102,000 691,980,000 691,980,000 691,980,000 691,980,000 
        commitments and contingencies
                                                       
        mezzanine equity:
                                                       
        redeemable common stock: 0.01 par value...
      73,652,000 78,252,000 82,574,000 87,985,000 92,652,000 95,250,000 98,231,000 103,766,000 108,584,000 121,686,000 133,349,000 148,397,000 153,220,000 157,128,000 159,928,000 188,828,000                                  
        total mezzanine equity
      73,652,000 78,252,000 82,574,000 87,985,000 92,652,000 95,250,000 98,231,000 103,766,000 108,584,000 121,686,000 133,349,000 148,397,000 153,220,000 157,128,000 159,928,000 188,828,000 195,384,000 205,742,000 221,518,000 219,590,000 229,911,000 241,539,000 246,093,000 249,924,000 247,097,000 250,425,000 251,220,000 248,157,000 102,322,000 102,137,000 108,709,000 108,039,000 109,550,000 110,104,000 110,900,000 110,584,000 112,825,000 112,637,000 111,768,000 111,471,000 111,747,000 111,252,000 111,074,000 106,968,000 108,021,000 642,951,000 642,951,000 642,951,000 642,951,000 
        stockholders’ equity:
                                                       
        common stock: 0.01 par value...
      11,710,000    11,694,000    11,679,000    11,647,000    11,612,000    11,578,000    11,555,000    11,436,000    11,426,000    12,393,000    12,393,000  12,393,000  12,393,000     
        paid-in capital
      1,342,091,000 1,329,164,000 1,309,458,000 1,294,545,000 1,277,694,000 1,269,230,000 1,255,794,000 1,241,525,000 1,219,834,000 1,195,893,000 1,173,574,000 1,147,449,000 1,134,864,000 1,128,915,000 1,119,453,000 1,079,701,000 1,065,628,000 1,008,610,000 968,198,000 950,963,000 918,587,000 882,843,000 859,254,000 839,765,000 827,573,000 817,028,000 800,947,000 501,046,000 391,039,000 383,300,000 381,475,000 375,215,000 364,908,000 357,684,000 778,548,000 774,874,000 755,787,000 749,684,000 748,177,000 746,054,000 715,859,000 713,695,000 710,341,000 705,179,000 700,977,000 22,547,000 22,547,000 22,547,000 22,547,000 
        common stock in treasury, at cost
      -1,325,713,000 -1,226,454,000 -1,226,102,000 -1,226,091,000 -1,219,408,000 -1,219,404,000 -1,219,438,000 -1,199,469,000 -1,140,578,000 -1,110,670,000 -1,039,717,000 -977,812,000 -920,999,000 -719,702,000 -536,697,000 -408,861,000 -318,691,000 -316,049,000 -315,935,000 -139,313,000 -10,959,000 -10,949,000 -10,859,000 -10,853,000 -10,461,000 -10,200,000 -10,162,000 -10,162,000 -9,863,000 -9,117,000 -9,035,000 -9,033,000 -8,277,000 -7,958,000 -442,787,000 -443,561,000 -436,984,000 -437,990,000 -438,404,000 -439,009,000 -440,995,000 -441,822,000 -442,418,000 -443,660,000 -445,065,000 -448,439,000 -448,439,000 -448,439,000 -448,439,000 
        accumulated other comprehensive loss
      -32,290,000 -30,197,000 -33,248,000 -31,603,000 -37,178,000 -38,378,000 -30,689,000 -31,791,000 -29,830,000 -26,601,000 -29,658,000 -25,399,000 -27,580,000 -29,871,000 -33,775,000 -28,289,000 -24,386,000 -26,681,000 -26,020,000 -22,794,000 -24,220,000 -24,353,000 -30,426,000 -32,494,000 -35,325,000 -24,969,000 -26,427,000 -24,470,000 -25,867,000 -27,675,000 -22,843,000 -24,684,000 -21,247,000 -20,933,000 -19,442,000 -22,239,000 -24,815,000 -27,039,000 -24,362,000 -22,881,000 -21,261,000 -26,122,000 -23,683,000 -14,430,000 -15,521,000 -5,977,000 -5,977,000 -5,977,000 -5,977,000 
        retained earnings
      1,862,936,000 1,844,101,000 1,764,512,000 1,622,535,000 1,492,634,000 1,427,891,000 1,359,100,000 1,241,161,000 1,092,208,000 1,008,270,000 913,551,000 788,780,000 626,215,000 550,011,000 477,790,000 335,822,000 158,876,000 121,918,000 57,386,000      -267,619,000    17,582,000 22,017,000 11,631,000                   
        total ads stockholders’ equity
      1,858,734,000 1,928,321,000 1,826,323,000 1,671,086,000 1,525,436,000 1,451,032,000 1,376,457,000 1,263,113,000 1,153,313,000 1,078,562,000 1,029,413,000 944,672,000 824,147,000 940,998,000 1,038,413,000 989,996,000 893,039,000 799,399,000 695,219,000 791,779,000 819,784,000 772,205,000 696,520,000 602,306,000 525,723,000 531,422,000 498,178,000 199,126,000 384,327,000 379,958,000 372,661,000 340,953,000 307,596,000 311,210,000 271,966,000 251,178,000 222,703,000 235,319,000 230,695,000 209,387,000 202,600,000 216,043,000 209,578,000 204,549,000 190,163,000 -419,912,000 -419,912,000 -419,912,000 -419,912,000 
        noncontrolling interest in subsidiaries
      23,578,000 22,444,000 20,214,000 19,205,000 17,700,000 18,104,000 17,578,000 17,934,000 18,802,000 21,621,000 19,417,000 18,797,000 17,493,000 17,615,000 17,329,000 17,963,000 16,622,000 15,369,000 14,784,000 14,525,000 13,731,000 13,154,000 12,990,000 12,283,000 11,762,000 14,553,000 13,578,000 13,058,000 13,986,000 12,893,000 16,790,000 15,586,000 16,663,000 14,710,000 15,892,000 16,286,000 14,907,000 14,316,000 14,159,000 14,419,000 15,033,000 14,381,000 16,534,000 16,157,000 16,413,000 22,576,000 22,576,000 22,576,000 22,576,000 
        total stockholders’ equity
      1,882,312,000 1,950,765,000 1,846,537,000 1,690,291,000 1,543,136,000 1,469,136,000 1,394,035,000 1,281,047,000 1,172,115,000 1,100,183,000 1,048,830,000 963,469,000 841,640,000 958,613,000 1,055,742,000 1,007,959,000 909,661,000 814,768,000 710,003,000 806,304,000 833,515,000 785,359,000 709,510,000 614,589,000 537,485,000 545,975,000 511,756,000 212,184,000 398,313,000 392,851,000 389,451,000 356,539,000 324,259,000 325,920,000 287,858,000 267,464,000 237,610,000 249,635,000 244,854,000 223,806,000 217,633,000 230,424,000 226,112,000 220,706,000 206,576,000 -397,336,000 -397,336,000 -397,336,000 -397,336,000 
        total liabilities, mezzanine equity and stockholders’ equity
      4,505,623,000 4,144,311,000 4,079,289,000 3,909,945,000 3,690,360,000 3,602,254,000 3,535,750,000 3,447,538,000 3,268,913,000 3,161,959,000 3,137,974,000 3,048,669,000 2,901,125,000 3,005,658,000 3,177,599,000 3,225,363,000 2,649,758,000 2,555,759,000 2,506,624,000 2,474,618,000 2,413,832,000 2,342,436,000 2,373,372,000 2,415,031,000 2,369,888,000 2,249,175,000 2,295,320,000 1,068,415,000 1,042,159,000 1,007,040,000 1,094,235,000 1,090,906,000 1,043,242,000 1,013,234,000 1,110,109,000 1,113,329,000 1,046,285,000 987,166,000 1,054,879,000 1,074,628,000 1,037,648,000 1,000,847,000 1,106,635,000 1,117,865,000 1,041,699,000 937,595,000 937,595,000 937,595,000 937,595,000 
        accrued income taxes
       7,506,000 15,370,000 38,777,000  407,000 4,590,000 45,708,000 1,076,000 13,829,000 20,899,000 52,232,000 3,057,000 3,468,000 10,800,000 58,207,000 6,838,000 2,104,000 1,978,000 28,135,000 4,703,000 23,278,000 23,058,000 29,550,000 2,050,000 7,899,000 3,169,000 12,669,000 1,758,000 6,608,000 10,455,000 16,090,000 6,307,000 9,825,000 12,209,000 12,910,000 8,207,000 20,406,000 13,126,000 103,000 1,822,000 8,171,000 5,607,000 8,672,000 6,041,000 7,372,000 7,372,000 7,372,000 7,372,000 
        common stock; 0.01 par value: 1,000,000 shares authorized; 85,004 and 83,750 shares issued, respectively; 73,060 and 71,864 shares outstanding, respectively
       11,707,000                                                
        common stock; 0.01 par value: 1,000,000 shares authorized; 84,602 and 83,750 shares issued, respectively; 72,660 and 71,864 shares outstanding, respectively
        11,703,000                                               
        common stock; 0.01 par value: 1,000,000 shares authorized; 84,247 and 83,750 shares issued, respectively; 72,305 and 71,864 shares outstanding, respectively
         11,700,000                                              
        common stock; 0.01 par value: 1,000,000 shares authorized; 83,573 and 82,283 shares issued, respectively; 71,677 and 70,868 shares outstanding, respectively
           11,693,000                                            
        common stock; 0.01 par value: 1,000,000 shares authorized; 83,359 and 82,283 shares issued, respectively; 71,463 and 70,868 shares outstanding, respectively
            11,690,000                                           
        common stock; 0.01 par value: 1,000,000 shares authorized; 82,973 and 82,283 shares issued, respectively; 71,198 and 70,868 shares outstanding, respectively
             11,687,000                                          
        common stock; 0.01 par value: 1,000,000 shares authorized; 81,415 and 79,057 shares issued, respectively; 70,200 and 69,518 shares outstanding, respectively
               11,670,000                                        
        common stock; 0.01 par value: 1,000,000 shares authorized; 80,635 and 79,057 shares issued, respectively; 70,018 and 69,518 shares outstanding, respectively
                11,663,000                                       
        common stock; 0.01 par value: 1,000,000 shares authorized; 79,651 and 79,057 shares issued, respectively; 69,541 and 69,518 shares outstanding, respectively
                 11,654,000                                      
        redeemable convertible preferred stock: 0.01 par value...
                      195,384,000 210,888,000 228,532,000 228,532,000 240,944,000 255,491,000 262,872,000 269,529,000 269,529,000 275,896,000 279,785,000 279,816,000 282,638,000 285,117,000 285,117,000 287,337,000 291,247,000 293,284,000 296,410,000 298,357,000 302,814,000 303,849,000 305,361,000 307,513,000 310,240,000 311,240,000 313,302,000 317,665,000      
        common stock; 0.01 par value: 1,000,000 shares authorized; 78,785 and 75,529 shares issued, respectively; 71,545 and 72,309 shares outstanding, respectively
                   11,645,000                                    
        common stock; 0.01 par value: 1,000,000 shares authorized; 78,519 and 75,529 shares issued, respectively; 73,205 and 72,309 shares outstanding, respectively
                    11,642,000                                   
        common stock; 0.01 par value: 1,000,000 shares authorized; 76,607 and 75,529 shares issued, respectively; 72,386 and 72,309 shares outstanding, respectively
                     11,623,000                                  
        deferred compensation — unearned esop shares
                          -11,033,000    -22,432,000    -180,316,000    -190,168,000    -198,216,000    -205,664,000    -212,469,000     
        deferred compensation – unearned esop shares
                       -5,146,000 -7,014,000 -8,942,000  -13,952,000 -16,779,000 -19,605,000  -25,471,000 -28,565,000 -31,659,000  -182,980,000 -185,376,000 -187,772,000  -192,180,000 -194,192,000 -196,204,000  -200,180,000 -202,008,000 -203,836,000  -207,154,000 -208,926,000 -210,697,000  -197,888,000 -197,888,000 -197,888,000 -197,888,000 
        common stock; 0.01 par value: 1,000,000 shares authorized; 74,492 and 72,071 shares issued, respectively; 71,295 and 71,570 shares outstanding, respectively
                       11,601,000                                
        common stock; 0.01 par value: 1,000,000 shares authorized; 73,333 and 72,071 shares issued, respectively; 70,137 and 71,570 shares outstanding, respectively
                        11,590,000                               
        common stock; 0.01 par value: 1,000,000 shares authorized; 73,227 and 72,071 shares issued, respectively; 71,549 and 71,570 shares outstanding, respectively
                         11,589,000                              
        retained deficit
                         -8,666,000 -75,202,000 -86,903,000 -133,011,000 -205,669,000        -11,976,000 -39,214,000 -29,007,000 -56,746,000 -70,289,000 -83,678,000 -61,729,000 -67,109,000 -87,170,000 -63,396,000 -42,101,000 -47,055,000 -54,933,000 -62,621,000     
        long-term debt obligation
                          782,220,000    1,089,368,000    208,602,000    270,900,000    310,849,000 269,388,000 312,712,000 335,130,000 315,345,000 301,565,000 389,685,000 431,754,000 390,315,000 442,895,000 442,895,000 442,895,000 442,895,000 
        common stock; 0.01 par value: 1,000,000 shares authorized; 70,989 and 69,810 shares issued, respectively; 70,488 and 69,319 shares outstanding, respectively
                           11,567,000                            
        common stock; 0.01 par value: 1,000,000 shares authorized; 71,002 and 69,810 shares issued, respectively; 70,502 and 69,319 shares outstanding, respectively
                            11,562,000                           
        common stock; 0.01 par value: 1,000,000 shares authorized; 69,973 and 69,810 shares issued, respectively; 69,473 and 69,319 shares outstanding, respectively
                             11,557,000                          
        common stock; 0.01 par value: 1,000,000 shares authorized; 69,260 and 57,964 shares issued, respectively; 68,775 and 57,490 shares outstanding, respectively
                               11,549,000                        
        retained (deficit) earnings
                               -261,986,000 -277,725,000 -278,727,000                      
        common stock; 0.01 par value: 1,000,000 shares authorized; 68,746 and 57,964 shares issued, respectively; 68,262 and 57,490 shares outstanding, respectively
                                11,545,000                       
        common stock; 0.01 par value: 1,000,000 shares authorized; 58,283 and 57,964 shares issued, respectively; 57,779 and 57,490 shares outstanding, respectively
                                 11,439,000                      
        current maturities of capital lease obligations
                                  23,117,000 23,354,000 22,970,000 21,787,000 22,007,000 22,654,000 21,949,000 21,946,000 21,450,000 20,367,000 20,640,000 20,872,000 19,231,000 18,374,000 19,292,000 17,661,000 15,731,000     
        long-term capital lease obligations
                                  61,555,000 63,541,000 62,283,000 57,388,000 59,963,000 64,959,000 60,934,000 61,521,000 58,710,000 55,601,000 59,170,000 63,231,000 56,809,000 56,265,000 57,586,000 56,515,000 45,503,000     
        redeemable noncontrolling interest in subsidiaries
                                    8,968,000 8,474,000 8,471,000 9,000,000 8,682,000 8,431,000 8,227,000 8,968,000 8,415,000 7,794,000 7,171,000 7,166,000 6,698,000       
        common stock; 0.01 par value: 1,000,000 shares authorized; 57,634 shares issued; 57,190 and 56,476 shares outstanding, respectively
                                   11,433,000                    
        common stock; 0.01 par value: 1,000,000 shares authorized; 57,525 shares issued; 57,084 and 56,476 shares outstanding, respectively
                                    11,433,000                   
        common stock; 0.01 par value: 1,000,000 shares authorized; 57,366 shares issued; 56,925 and 56,476 shares outstanding, respectively
                                     11,431,000                  
        current portion of liability-classified stock-based awards
                                          11,926,000 11,104,000 14,344,000 13,953,000          
        common stock; 0.01 par value: 1,000,000 shares authorized; 56,607 shares issued; 56,204 and 55,338 shares outstanding, respectively
                                       11,424,000                
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 55,413 and 55,338 shares outstanding, respectively
                                        12,393,000               
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 55,246 and 55,338 shares outstanding, respectively
                                         12,393,000              
        deferred income taxes and other current assets
                                          6,743,000 5,482,000 7,573,000 8,460,000 12,859,000 19,965,000 22,538,000 20,858,000 18,972,000 13,555,000 13,555,000 13,555,000 13,555,000 
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 55,114 and 54,437 shares outstanding, respectively
                                           12,393,000            
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 55,020 and 54,437 shares outstanding, respectively
                                            12,393,000           
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 54,884 and 54,437 shares outstanding, respectively
                                             12,393,000          
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 54,237 and 53,522 shares outstanding, respectively
                                               12,393,000        
        common stock; 0.01 par value: 1,000,000 shares authorized; 153,560 shares issued; 53,839 and 53,522 shares outstanding, respectively
                                                 12,393,000      
        44,170 shares issued; 25,639 and 26,129 shares outstanding, respectively
                                                  320,490,000     
        stockholders’ equity
                                                       
        redeemable common stock; 0.01 par value: 38,320 and 0 issued and outstanding, respectively
                                                   549,119,000 549,119,000   
        redeemable convertible preferred stock
                                                   291,720,000 291,720,000 291,720,000 291,720,000 
        common stock; 0.01 par value: 148,271 and 1,000,000 authorized: 109,951 and 153,560 issued: 9,141 and 53,204 outstanding, respectively
                                                   11,957,000    
        common stock; 0.01 par value: 148,271 and 1,000,000 authorized: 109,951 and 153,560 issued: 9,141 and 52,935 outstanding, respectively
                                                    11,957,000   
        redeemable common stock; 0.01 par value: 38,320 and 38,320 issued and outstanding, respectively
                                                     549,119,000 549,119,000 
        common stock; 0.01 par value: 148,271 authorized: 109,951 issued: 9,141 and 9,263 outstanding, respectively
                                                     11,957,000 11,957,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 
                                                        
          cash flows from operating activities
                                             71,055,000 45,708,000 -132,000  112,517,000 35,066,000 -18,142,000  74,597,000 32,065,000 -21,258,000 
          net income
        34,145,000 94,037,000 156,500,000 144,091,000 76,788,000 82,289,000 131,174,000 162,322,000 95,479,000 106,880,000 137,027,000 173,905,000 86,312,000 83,182,000 153,377,000 188,482,000 47,129,000 74,462,000 76,312,000 77,123,000 20,776,000 54,041,000 80,605,000 70,668,000 3,533,000 23,659,000 8,462,000 -227,451,000 1,893,000 16,550,000 29,372,000 33,651,000 -4,856,000 33,215,000 17,959,000 18,474,000             
          less: net loss from discontinued operations, net of taxes
                                                        
          adjustments to reconcile net income to net cash from operating activities:
                                                        
          depreciation and amortization
        59,818,000 51,522,000 54,693,000 50,228,000 49,610,000 47,766,000 44,807,000 41,098,000 42,889,000 38,053,000 36,721,000 37,240,000 37,803,000 35,846,000 35,922,000 35,578,000 38,121,000 34,837,000 34,194,000 34,656,000 38,265,000 35,762,000 35,778,000 35,781,000 50,508,000 31,172,000 26,566,000 16,694,000 18,988,000 17,549,000 17,536,000 17,827,000 19,210,000 17,852,000 19,720,000 18,221,000             
          deferred income taxes
        10,331,000 9,828,000 18,974,000 -3,748,000 -933,000 2,780,000 -1,328,000 -942,000 -2,615,000 -184,000 -54,000 573,000 -5,690,000 -1,048,000 -1,845,000 -1,272,000 -4,068,000 6,228,000 -49,000 64,000 -5,445,000 -4,586,000 -1,089,000 -2,357,000 -1,826,000 -2,225,000 -1,064,000 2,191,000 10,497,000 -905,000 1,492,000 1,729,000 1,499,000 -11,937,000 -520,000 -281,000             
          loss on disposal of assets and costs from exit and disposal activities
        28,026,000 87,000 -15,926,000 7,024,000 3,426,000 -477,000     123,000 -13,304,000 4,544,000 -348,000 -102,000 303,000   -901,000 -11,000 1,021,000 980,000 627,000 1,647,000 872,000 1,755,000 2,004,000 707,000 2,075,000 144,000 324,000 1,104,000 2,187,000 1,924,000 5,121,000 3,423,000             
          stock-based compensation
        6,538,000 8,835,000 8,577,000 8,404,000 4,823,000 7,798,000 6,983,000 6,977,000  7,402,000 9,331,000 6,903,000                                     
          amortization of deferred financing charges
        925,000 278,000 511,000 511,000 511,000 511,000 511,000 511,000 511,000 511,000 511,000 511,000 510,000 511,000 54,000 344,000 96,000 95,000 96,000 95,000 89,000 96,000 99,000 98,000 96,000 95,000 34,111,000 174,000 174,000 174,000 196,000 191,000 188,000 196,000 197,000 353,000             
          inventory step up related to nds acquisition
                                                        
          fair market value adjustments to derivatives
        -5,698,000 821,000 -329,000 77,000 -163,000 -641,000 979,000 45,000 -810,000 1,727,000 -1,853,000 -36,000 1,330,000 126,000 2,273,000 -90,000 -1,510,000 564,000 229,000 -675,000 -818,000 -1,082,000 -373,000 -1,082,000 2,225,000 -93,000 -793,000 1,789,000 370,000 2,877,000 -276,000 -625,000 -1,256,000 -1,398,000 -781,000 191,000             
          equity in net income of unconsolidated affiliates
        -1,161,000 -1,851,000 -708,000 -1,343,000 -734,000 -818,000 -918,000 -1,701,000 -1,656,000 -1,304,000 -901,000 -1,675,000 -1,137,000 -639,000 -1,956,000 -1,110,000 -458,000 -717,000 -206,000 -205,000  390,000 -67,000 -173,000                         
          other operating activities
        -949,000 977,000 -31,000 809,000 1,551,000 4,275,000 -2,370,000 -3,754,000 977,000 4,964,000 255,000 501,000 -1,219,000 3,445,000 2,822,000 -3,535,000 -1,781,000 -10,339,000 -9,000 450,000 608,000 6,398,000 -505,000 269,000 8,000 -2,378,000 -755,000 -2,880,000 -1,726,000 -2,151,000 -312,000 -1,030,000 -11,036,000 -32,000 13,734,000 -1,656,000             
          changes in working capital:
                                                        
          receivables
        -102,471,000 162,832,000 -20,523,000 -42,126,000 -81,645,000 118,624,000 11,426,000 -46,991,000 -81,820,000 110,760,000 -10,124,000 -33,406,000 -62,471,000 143,638,000 35,936,000 -79,616,000 -37,169,000 78,242,000 -70,675,000 -67,388,000 -47,262,000 72,608,000 -18,013,000 -42,093,000 -45,695,000 95,748,000 -389,000 -44,494,000 -34,721,000 81,417,000 -9,739,000 -54,910,000 10,490,000 96,646,000 -63,994,000 -47,469,000             
          inventories
        -32,006,000 -6,901,000 29,515,000 40,001,000 -15,570,000 24,571,000 275,000 -25,025,000 -59,158,000 -19,463,000 48,355,000 30,860,000 -4,647,000 19,072,000 7,760,000 8,039,000 -27,837,000 -37,449,000 -95,444,000 -28,985,000 -61,370,000 -13,854,000 16,523,000 44,140,000 -24,231,000 -13,999,000 22,513,000 34,803,000 -17,739,000 -673,000 15,338,000 1,040,000 -49,401,000 -1,645,000 48,650,000 -2,445,000             
          prepaid expenses and other current assets
        -2,010,000 4,414,000 2,431,000 -5,945,000 -1,419,000 2,240,000 -1,078,000 -3,726,000 259,000 1,694,000 1,471,000 -3,699,000 -764,000 3,244,000 -2,936,000 -4,840,000 557,000 1,539,000 704,000 -7,442,000 1,080,000 1,378,000 -146,000 -3,520,000 -512,000 1,500,000 172,000 -3,089,000 1,558,000 -446,000 1,549,000 -3,665,000 -457,000 1,849,000 2,803,000 -2,547,000             
          accounts payable, accrued expenses and other liabilities
                                                        
          operating cash flows from discontinued operations
                                                        
          net cash from operating activities
        39,921,000 269,290,000 234,866,000 274,977,000 41,227,000 189,938,000 166,900,000 183,426,000 17,666,000 241,398,000 214,897,000 243,967,000 47,372,000 223,414,000 187,259,000 249,765,000 81,041,000 98,969,000 -9,470,000 104,348,000 3,440,000 162,608,000 152,435,000 133,733,000 9,871,000 124,607,000 108,871,000 62,840,000 3,656,000 89,861,000 48,330,000 9,831,000 -1,789,000 110,520,000 44,926,000 -16,537,000             
          cash flows from investing activities
                                                        
          capital expenditures
        -53,029,000 -85,719,000 -58,420,000 -52,598,000 -46,534,000 -54,228,000 -54,467,000 -57,715,000 -47,427,000 -53,760,000 -40,547,000 -42,078,000 -40,055,000 -51,313,000 -39,356,000 -36,189,000 -48,716,000 -36,603,000 -38,218,000 -25,546,000 -21,082,000 -28,716,000 -18,664,000 -10,295,000 -21,384,000 -20,671,000 -15,899,000 -9,723,000 -12,282,000 -11,831,000 -12,425,000 -6,874,000 -6,585,000 -8,089,000 -9,086,000 -17,949,000             
          free cash flows
        -13,108,000 183,571,000 176,446,000 222,379,000 -5,307,000 135,710,000 112,433,000 125,711,000 -29,761,000 187,638,000 174,350,000 201,889,000 7,317,000 172,101,000 147,903,000 213,576,000 32,325,000 62,366,000 -47,688,000 78,802,000 -17,642,000 133,892,000 133,771,000 123,438,000 -11,513,000 103,936,000 92,972,000 53,117,000 -8,626,000 78,030,000 35,905,000 2,957,000 -8,374,000 102,431,000 35,840,000 -34,486,000             
          proceeds from disposition of assets or businesses
                                                        
          acquisition, net of cash acquired
           -19,576,000        -518,000 -47,492,000 -99,000                                
          other investing activities
        -1,290,000 -4,481,000 2,240,000 1,557,000 191,000 142,000 498,000 123,000 81,000 291,000 155,000 400,000 33,000 13,000 22,000 -2,019,000 1,503,000 53,000 367,000 61,000 20,000 435,000 6,776,000 -131,000 -103,000 -13,000 -241,000 680,000 538,000 -109,000 180,000 -159,000 -157,000 -254,000 -589,000 -179,000 -422,000 -200,000 -147,000 -363,000 -206,000 -172,000 2,229,000 -2,304,000 -215,000 -310,000 
          net cash from investing activities
        -1,025,248,000 -81,229,000 -35,409,000 -69,934,000 -44,977,000 -291,347,000 -54,325,000 -57,217,000 -39,785,000 -53,679,000 -40,256,000 -21,944,000 -39,655,000 -51,313,000 -39,841,000 -83,668,000 -48,793,000 -87,832,000 -36,715,000 -25,493,000 -20,715,000 -28,655,000 -18,644,000 -9,860,000 -14,608,000 -21,507,000 -1,104,619,000 -9,736,000 -12,523,000 -11,151,000 -11,887,000 -6,983,000 1,280,000 -2,289,000 -11,233,000 -18,203,000 -19,838,000 -17,003,000 -11,623,000 -12,795,000 -13,615,000 -10,303,000 -9,539,000 -15,561,000 -44,221,000 -6,130,000 -9,096,000 -16,646,000 
          cash flows from financing activities
                                                        
          proceeds from term loan facility
                                                      
          payments on syndicated term loan facility
        -408,000,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -1,750,000 -101,750,000 -101,750,000 -1,750,000 -1,750,000                        
          proceeds from revolving credit agreement
                    26,200,000 74,100,000 111,300,000       100,000,000                       
          payments on revolving credit agreement
                    -140,500,000 -93,300,000 -100,400,000   -50,000,000 -50,000,000                       
          proceeds from senior notes due 2034
                                                        
          payments on senior notes due 2027
                                                        
          proceeds from commercial loan agreement
                                                       
          debt issuance costs
                    -11,575,000               -2,268,000             
          payments on equipment financing
        -314,000 -738,000 -952,000 -933,000 -988,000 -1,244,000 -1,323,000 -1,342,000 -1,377,000 -1,903,000 -2,202,000 -2,256,000 -2,319,000 -3,109,000 -3,556,000 -3,548,000 -3,538,000                                
          payments on finance lease obligations
        -9,365,000 -14,066,000 -8,836,000 -8,335,000 -7,667,000 -6,064,000 -6,243,000 -5,513,000 -3,521,000 -3,172,000 -2,683,000 -2,769,000 -2,732,000 -1,801,000 -1,432,000 -1,721,000 -1,082,000 -38,928,000 -5,058,000 -5,379,000 -5,632,000 -5,182,000 -4,977,000 -5,700,000 -8,695,000 -6,049,000 -6,328,000 -6,047,000                     
          repurchase of common stock
            -20,677,000 -49,245,000 -29,121,000 -76,623,000 -53,786,000 -47,778,000 -200,000,000 -182,425,000 -134,903,000 -57,699,000 -189,987,000 -102,013,000             -7,947,000             
          cash dividends paid
        -14,025,000 -14,014,000 -14,105,000 -13,980,000 -12,413,000 -12,407,000 -12,489,000 -12,428,000 -10,884,000 -10,887,000 -11,140,000 -11,084,000 -9,501,000 -9,744,000 -10,197,000 -10,170,000 -10,668,000 -9,068,000 -9,307,000 -9,451,000 -7,648,000 -9,105,000 -7,665,000 -7,737,000 -8,281,000 -7,522,000 -6,683,000 -69,641,000 -5,064,000 -9,466,000 -5,477,000 -6,141,000 -4,967,000 -4,838,000 -4,320,000 -4,353,000 -5,809,000 -3,673,000 -3,673,000 -3,665,000 -3,569,000 -4,498,000 -4,389,000 -3,784,000 -5,486,000    
          proceeds from noncontrolling interest holder
                                                       
          dividends paid to noncontrolling interest holder
                    -1,671,000 -1,925,000    -514,000 -957,000                             
          proceeds from option exercises
                                                        
          payment of withholding taxes on vesting of restricted stock units
        -14,000 -352,000 -11,000 -6,683,000 -11,000 -70,000 -18,000 -10,558,000 -5,000 -48,000 -69,000 -8,742,000 -10,000 -3,141,000 -2,703,000 -22,809,000 -8,000 -79,000 -12,976,000                             
          other financing activities
        -7,000      39,000 -37,000         -19,000 63,000 -99,000 -131,000 -1,000   -1,000 22,000 -258,000 559,000 -359,000 -304,000 -257,000 -870,000 -387,000 -519,000 -652,000 356,000 -719,000 -612,000 -8,000 1,505,000 -223,000 -133,000 587,000 2,183,000 -437,000 -392,000 -40,000 
          net cash from financing activities
        208,967,000 3,203,000 -24,721,000 -31,132,000 -21,783,000 -21,304,000 -40,745,000 -73,895,000 -47,907,000 -93,050,000 -69,874,000 -73,512,000 -217,688,000 -203,410,000 -152,857,000 277,677,000 -34,494,000 -2,981,000 -82,272,000 -131,321,000 -11,467,000 -115,323,000 -164,845,000 -62,948,000 83,156,000 -59,721,000 1,040,770,000 -52,633,000 -2,276,000 -76,289,000 -37,492,000 -1,598,000 -424,000 -100,703,000 -31,021,000 37,195,000 26,245,000 -50,259,000 -35,013,000 16,202,000 6,852,000 -97,490,000 -27,071,000 34,745,000 48,034,000 -64,079,000 -20,957,000 38,793,000 
          effect of exchange rate changes on cash
        -576,000 704,000 -81,000 1,098,000 51,000 -1,384,000 -350,000 -792,000 -472,000 1,268,000 -462,000 465,000 409,000 642,000 -900,000 -203,000 198,000 12,000 -371,000 290,000 -245,000 1,483,000 -273,000 52,000 -2,498,000 726,000 -172,000 -5,000 276,000 -275,000 267,000 -443,000 113,000 -304,000 -206,000 -188,000 338,000 -500,000 564,000 -662,000    182,000     
          net change in cash
        -776,936,000 191,968,000 174,655,000 175,009,000 -25,482,000 -124,097,000 71,480,000 51,522,000 -70,498,000 95,937,000 104,305,000 148,976,000 -209,562,000 -30,667,000 -6,339,000 443,571,000 -2,048,000 8,168,000 -128,828,000 -52,176,000 -28,987,000 20,113,000 -31,327,000 60,977,000 75,921,000 44,105,000 44,850,000 466,000 -10,867,000 2,146,000 -782,000 807,000 -820,000 7,224,000 2,466,000 2,267,000 -5,647,000 3,293,000 -364,000 2,613,000 143,000 2,931,000 -1,366,000 1,224,000     
          cash at beginning of year
                                                        
          cash and restricted cash at end of year
                                                        
          less: cash held for sale
                                                        
          cash and restricted cash, excluding cash held for sale, at end of year
                                                        
          accounts payable, accrued expenses, and other liabilities
         -55,589,000 1,182,000 76,994,000  -98,980,000 -24,178,000 54,320,000  -12,154,000 -5,965,000 45,594,000  -69,794,000 -51,506,000 101,209,000  -75,422,000 28,648,000 75,860,000  -7,848,000 24,370,000 17,893,000  -24,116,000 3,817,000 30,653,000  -28,591,000 -13,888,000 8,806,000  -29,759,000 -2,888,000 -6,857,000             
          proceeds from disposal of assets
         5,780,000                                               
          acquisitions, net of cash acquired
                                                       
          proceeds from exercise of stock options
         3,576,000 933,000 549,000  233,000 1,716,000 6,978,000  1,333,000 1,756,000 867,000  485,000 3,411,000 1,249,000  1,095,000 1,843,000 1,336,000  714,000 1,036,000 2,239,000  3,850,000 917,000 1,513,000  464,000 258,000 3,215,000  7,506,000 94,000 6,000  39,000 2,648,000         
          cash and restricted cash at beginning of period
         469,271,000  495,848,000                                         
          cash and restricted cash at end of period
         191,968,000 174,655,000 644,280,000  -124,097,000 71,480,000 547,370,000                                         
          reconciliation to balance sheet
                                                        
          cash
         195,328,000 174,594,000 638,268,000 -25,540,000 -124,161,000 71,383,000 541,637,000 -70,581,000                                        
          restricted cash
         -3,360,000 61,000 6,012,000 58,000 64,000 97,000 5,733,000 83,000                                        
          total cash and restricted cash
         191,968,000 174,655,000 644,280,000 -25,482,000 -124,097,000 71,480,000 547,370,000 -70,498,000                                        
          proceeds from amended revolving credit agreement
                    97,000,000                                 
          payments on amended revolving credit agreement
                    -97,000,000                                 
          proceeds from senior notes due 2030
                    500,000,000                                 
          proceeds from disposition of assets
                 19,979,000                                     
          gain on disposal of assets and costs from exit and disposal activities
               292,000                                         
          esop and stock-based compensation
                    1,747,000 6,179,000 7,460,000 6,273,000 15,659,000 23,463,000 17,631,000 20,806,000 20,021,000 18,325,000 14,626,000 12,462,000 5,030,000 11,283,000 8,657,000 7,425,000  4,382,000 6,180,000 5,580,000  4,377,000 4,405,000 4,304,000             
          esop acceleration
                                                        
          proceeds from equipment financing
                                                       
          cash at beginning of period
                  217,128,000  20,125,000  195,009,000  174,233,000  8,891,000  17,587,000  6,450,000  6,555,000  3,623,000     
          cash at end of period
                  104,305,000 366,104,000  -30,667,000 -6,339,000 463,696,000  8,168,000 -128,828,000 142,833,000  20,113,000 -31,327,000 235,210,000  44,105,000 44,850,000 9,357,000  2,146,000 -782,000 18,394,000  7,224,000 2,466,000 8,717,000  3,293,000 -364,000 9,168,000  2,931,000 -1,366,000 4,847,000     
          supplemental cash flow information
                                                        
          cash paid for income taxes
                  76,747,000 1,553,000  34,850,000 96,415,000 5,055,000  19,215,000 59,208,000 2,605,000  25,131,000    2,251,000 6,664,000 535,000  9,128,000 17,379,000 952,000  3,239,000 16,270,000 5,899,000  1,030,000 896,000 2,229,000         
          cash paid for interest
                  24,965,000 8,499,000  6,481,000 13,562,000 4,714,000  4,697,000 11,669,000 3,714,000  4,382,000 13,989,000 6,934,000  6,221,000 13,851,000 3,920,000  3,474,000 4,032,000 4,000,000  4,480,000 4,926,000 4,498,000  3,868,000 4,413,000 4,996,000         
          non-cash operating, investing and financing activities:
                                                        
          repurchase of common stock pending settlement
                      -7,101,000 9,662,000                                 
          share repurchase excise tax accrual
                  550,000 293,000                                     
          acquisition of property, plant and equipment under finance lease and incurred lease obligations
                  8,883,000 944,000  4,003,000 4,927,000 1,754,000  4,855,000 2,021,000 9,382,000  1,580,000 1,441,000 1,278,000    296,000                     
          balance in accounts payable for the acquisition of property, plant and equipment
                  5,418,000 19,781,000  -883,000 -1,250,000 16,881,000  4,814,000 4,921,000 6,578,000  -657,000 328,000 3,772,000  460,000 -695,000 4,364,000  -771,000 1,301,000 1,851,000  -377,000 -1,218,000 2,593,000   -1,090,000 2,255,000         
          cash at end of year
                                                        
          esop acceleration and special dividend compensation
                                                        
          inventory step up related to infiltrator acquisition
                                                        
          payments on term loan facility
                                                      
          proceeds from syndication of term loan facility
                                                      
          proceeds from senior notes
                                      75,000,000             
          proceeds from pnc credit agreement
                                                      
          payments on pnc credit agreement
                                                      
          payments on prudential senior notes
                                                      
          proceeds from common stock offering, net of offering costs
                                                      
          repurchases of common stock pending settlement
                           13,365,000                             
          adjustments to reconcile net income to net cash provided by operating activities:
                                                        
          esop special dividend compensation
                                246,752,000                     
          equity in net loss of unconsolidated affiliates
                                -1,371,000 99,000 -203,000 -434,000 -130,000 -466,000 558,000 133,000 1,235,000 -768,000 520,000 -248,000             
          acquisition of infiltrator, net of cash acquired
                                                        
          payments of notes, mortgages, and other debt
                                                -25,000 -91,000 -3,875,000 -3,217,000 -2,955,000 -283,000 -1,348,000 -317,000 
          acquisition of noncontrolling interest in baysaver
                                                       
          inventory step up related to infiltrator water technologies acquisition
                                2,107,000                       
          acquisition of infiltrator water technologies, net of cash acquired
                                -705,000                       
          cash (refund) paid for income taxes
                               -19,000                         
          payments on term loan
                                        -72,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -2,500,000 -1,875,000 -1,875,000 -1,875,000 -1,875,000 -1,250,000 -1,250,000 
          proceeds from revolving credit facility
                                   137,400,000 74,100,000 81,500,000 148,700,000 101,400,000 90,400,000 61,500,000 123,000,000 212,950,000 97,000,000 79,800,000 121,600,000 114,000,000 86,400,000 69,900,000 122,400,000 130,400,000 139,000,000 75,440,000 83,760,000 91,000,000 
          payments on revolving credit facility
                                   -115,600,000 -66,200,000 -133,200,000 -149,700,000 -93,700,000 -80,200,000 -158,300,000 -117,900,000 -155,750,000 -53,200,000 -121,500,000 -119,200,000 -88,700,000 -69,900,000 -155,300,000 -132,900,000 -90,100,000 -72,700,000 -132,500,000 -176,400,000 -50,600,000 
          payments of notes, mortgages and other debt
                                     -235,000 -235,000 -230,000  -225,000 -225,000 -1,225,000  -220,000 -215,000 -215,000         
          esop, stock repurchase agreement and stock-based compensation
                                                        
          gain on bargain purchase of pti acquisition
                                                        
          cash paid for acquisitions, net of cash acquired
                                                    
          purchase of property, plant and equipment through financing
                                                        
          proceeds from sale of corporate-owned life insurance
                                        7,685,000                
          payments on senior notes
                                                  
          proceeds from notes, mortgages, and other debt
                                                -185,000        
          payments on loans against corporate-owned life insurance
                                                        
          equipment financing loans
                                                        
          payments on capital lease obligations
                                    -6,493,000 -6,172,000 -5,734,000 -5,885,000 -6,038,000 -5,959,000 -6,151,000 -6,066,000 -5,387,000 -5,563,000 -5,452,000 -5,358,000         
          acquisition of property, plant and equipment under capital lease and incurred lease obligations
                                     8,055,000 8,689,000 3,171,000  10,797,000 5,608,000 9,588,000  1,801,000 1,465,000 13,450,000         
          payable recorded for business acquisition
                                                       
          contribution of net accounts receivable to the south american joint venture
                                                        
          loss on purchase of non-controlling interest
                                                        
          proceeds from note receivable to related party
                                                      
          issuance of note receivable to related party
                                                -3,854,000     
          purchases of property, plant and equipment through financing
                                                        
          equipment financing
                                                        
          acquisition of property, plant and equipment under financing facility
                                                        
          changes in working capital
                                                        
          investment in unconsolidated affiliates
                                                        
          payments on loans against csv life insurance policies
                                                        
          payments for deferred initial public offering costs
                                                    20,000 -2,041,000   
          proceeds from initial public offering of common stock, net of underwriter discounts and commissions
                                                      
          purchase of treasury stock — common
                                                        
          proceeds of note receivable to related party
                                                        
          proceeds from notes, mortgages and other debt
                                                  -244,000 6,926,000     
          loss on disposal of assets or businesses
                                                        
          investment in unconsolidated affiliate
                                                    -7,566,000 
          proceeds from term loan
                                                        
          payments on csv life insurance policies
                                                        
          payments on capital lease obligation
                                                -4,874,000 -4,659,000 -6,055,000 -4,192,000     
          redemption of redeemable convertible preferred stock
                                                        
          proceeds from sale of assets or businesses
                                                        
          additions of capitalized software
                                                 -167,000 -397,000 -940,000   -688,000 -1,320,000 
          effect of exchange rate changes on cash and cash equivalents
                                                 -1,793,000    -216,000 -151,000 -100,000 
          additions to capitalized software
                                                        
          (payments) loan on csv life insurance policies
                                                        
          proceeds from sale of business
                                                        
          net change in cash and equivalents
                                                     4,172,000 1,861,000 789,000 
          cash and equivalents at beginning of period
                                                     3,931,000 
          cash and equivalents at end of period
                                                     4,172,000 1,861,000 4,720,000