7Baggers

Casella Waste Systems, Inc
(NASDAQ:CWST) 

CWST stock logo

Casella Waste Systems, Inc., together with its subsidiaries, operates as a vertically integrated solid waste services company in the northeastern United States. It offers resource management services primarily in the areas of solid waste collection and disposal, transfer, recycling, and organics ser...

Founded: 1975
Full Time Employees: 2,500
Sector: Industrials
Industry: Waste Management

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    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 2014-10-31 2014-07-31 2013-04-30 2012-10-31 2012-07-31 2012-04-30 2012-01-31 2011-10-31 2011-07-31 2011-04-30 2011-01-31 2010-10-31 2010-07-31 2010-04-30 2010-01-31 2009-10-31 2009-07-31 2009-01-31 2008-10-31 2008-07-31 2008-04-30 2008-01-31 2007-10-31 2007-07-31 2007-04-30 2007-01-31 2006-10-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 2005-04-30 2005-01-31 2004-10-31 2004-07-31 
                                                                                     
      revenues
    457,328,000 469,055,000 485,351,000 465,334,000 417,101,000 427,486,000 411,627,000 377,163,000 341,008,000 359,567,000 352,735,000 289,645,000 262,595,000 272,127,000 295,268,000 283,666,000 234,027,000 241,836,000 241,969,000 215,875,000 189,532,000 200,240,000 202,667,000 188,767,000 182,910,000 193,620,000 198,547,000 187,459,000 163,664,000 174,724,000 172,832,000 165,649,000 147,455,000 151,222,000 160,269,000 154,016,000 133,802,000 143,794,000 151,133,000 144,670,000 125,432,000 140,024,000 146,185,000 143,714,000 116,577,000 141,341,000 141,387,000  120,335,000 121,195,000 109,178,000 114,578,000 129,866,000 127,193,000 109,549,000 111,627,000 141,009,000 139,841,000 130,721,000 126,056,000 133,733,000 135,861,000 121,151,000 157,538,000 157,904,000 110,699,750 141,359,000  152,433,000 122,162,000 133,492,000 147,817,000 143,519,000 126,536,000 130,597,000 136,795,000 132,000,000 115,831,000 116,080,000 126,381,000 124,164,000 
      operating expenses:
                                                                                     
      cost of operations
    308,927,000 312,822,000 315,262,000 308,070,000 280,452,000 285,641,000 267,117,000 243,787,000 230,792,000 239,173,000 226,303,000 186,319,000 180,243,000 184,338,000 190,285,000 186,038,000 162,455,000 162,820,000 153,892,000 138,553,000 127,139,000 133,260,000 130,406,000 123,462,000 128,518,000 130,949,000 131,273,000 128,674,000 117,759,000 121,764,000 114,118,000 111,800,000 105,610,000 104,227,000 103,897,000 102,519,000 94,544,000 97,564,000 98,803,000 95,188,000 90,418,000 96,390,000 99,656,000 98,737,000 87,833,000 98,292,000 98,766,000  85,474,000 84,811,000 77,506,000 81,398,000 86,627,000 85,224,000 79,920,000 76,933,000 92,978,000 94,845,000 88,770,000 84,764,000 86,674,000 90,646,000 85,480,000 103,728,000 104,442,000 72,934,500 96,663,000  101,308,000 80,935,000 89,800,000 94,182,000 95,735,000 86,049,000 88,841,000 88,043,000 85,587,000 76,522,000 76,736,000 79,385,000 78,560,000 
      general and administration
    58,128,000 55,937,000 57,273,000 54,523,000 56,486,000 52,207,000 47,030,000 47,184,000 44,334,000 43,126,000 41,177,000 35,865,000 35,679,000 35,717,000 34,348,000 33,562,000 29,793,000 31,498,000 30,993,000 29,212,000 27,131,000 28,170,000 25,014,000 24,874,000 24,352,000 25,359,000 22,536,000 22,145,000 22,742,000 22,426,000 20,545,000 20,793,000 21,027,000 20,855,000 20,750,000 18,794,000 18,845,000 19,906,000 18,777,000 18,084,000 18,587,000 20,568,000 17,448,000 18,071,000 16,805,000 16,582,000 16,840,000  13,985,000 15,324,000 14,573,000 13,933,000 16,062,000 16,207,000 17,564,000 14,832,000 17,406,000 17,225,000 15,784,000 15,104,000 14,818,000 16,288,000 13,934,000 18,299,000 18,440,000 13,868,000 18,362,000  18,328,000 16,277,000 17,653,000 19,746,000 21,179,000 15,848,000 17,946,000 18,132,000 17,218,000 16,289,000 15,503,000 16,370,000 15,543,000 
      depreciation and amortization
    77,982,000 79,509,000 78,829,000 77,006,000 71,491,000 66,358,000 59,174,000 55,338,000 54,037,000 54,610,000 47,736,000 34,924,000 33,435,000 33,245,000 32,527,000 31,150,000 29,428,000 29,080,000 27,491,000 24,337,000 22,682,000 23,501,000 23,799,000 22,076,000 21,406,000 21,646,000 20,940,000 19,715,000 17,489,000 18,936,000 18,202,000 17,386,000 15,983,000 15,795,000 16,591,000 15,868,000 13,849,000 15,426,000 16,175,000 15,802,000 14,453,000 16,330,000 16,385,000 16,241,000 13,748,000 16,028,000 16,368,000  14,632,000 14,756,000 14,182,000 14,827,000 15,061,000 14,506,000 13,485,000 13,573,000 16,791,000 16,727,000 15,458,000 15,016,000 18,347,000 19,530,000 17,033,000 19,505,000 19,470,000 14,794,500 19,055,000  20,176,000 17,283,000 17,223,000 19,292,000 17,942,000 15,017,000 16,525,000 16,914,000 16,134,000 14,569,000 16,271,000 17,575,000 17,244,000 
      expense from acquisition activities
    6,509,000 7,564,000 4,618,000 6,463,000 5,529,000 6,582,000 5,450,000 7,836,000 5,010,000 5,237,000 3,261,000 3,677,000 2,863,000 735,000 816,000 1,019,000 2,043,000 1,354,000 1,904,000 1,632,000 414,000 383,250 173,000 352,000                                                          
      organics facility closure charge
    927,000                                                                                 
      operating expenses: - sum
    452,473,000 457,171,000 455,982,000 446,062,000 413,958,000 408,957,000 387,248,000 354,145,000 334,173,000 346,207,000 318,547,000 267,031,000 252,330,000 254,908,000 258,980,000 251,947,000 223,859,000 225,519,000 214,582,000 193,929,000 177,523,000 132,313,750 182,034,000 171,323,000 175,898,000 127,799,750 180,062,000 171,915,000 159,222,000 110,266,250 143,948,000 150,500,000 146,617,000 117,631,000 141,992,000 201,295,000 127,238,000 96,572,250 133,755,000 129,074,000 123,458,000 94,828,000 133,489,000 132,372,000 113,451,000 131,277,000 132,049,000  115,961,000 115,444,000 147,007,000 110,158,000 118,240,000 116,937,000 81,326,000 105,338,000 127,175,000  120,347,000 114,884,000 119,839,000 126,464,000  141,532,000 142,352,000 101,597,000 134,080,000  139,812,000 142,139,000 124,676,000 133,220,000 134,856,000 116,914,000 124,641,000 123,089,000 118,939,000 107,380,000 108,510,000 113,625,000 111,347,000 
      operating income
    4,855,000 11,884,000 29,369,000 19,272,000 3,143,000 18,529,000 24,379,000 23,018,000 6,835,000 13,360,000 34,188,000 22,614,000 10,265,000 17,219,000 36,288,000 31,719,000 10,168,000 16,317,000 27,387,000 21,946,000 12,009,000 14,208,000 20,633,000 17,444,000 7,012,000 14,604,000 18,485,000 15,544,000 4,442,000 -5,138,000 28,884,000 15,149,000 838,000 9,854,000 18,277,000 -47,279,000 6,564,000 9,998,000 17,378,000 15,596,000 1,974,000 4,702,000 12,696,000 11,342,000 3,126,000 10,064,000 9,338,000  4,374,000 5,751,000 6,575,750 4,420,000 11,626,000 10,256,000 -2,648,000 6,289,000 13,834,000 14,546,000 10,374,000 11,172,000 13,894,000 9,397,000 1,901,000 16,006,000 15,552,000 9,102,750 7,279,000  12,621,000 -19,977,000 8,816,000 14,597,000 8,663,000 9,622,000 5,956,000 13,706,000 13,061,000 8,451,000 7,570,000 12,756,000 12,817,000 
      yoy
    54.47% -35.86% 20.47% -16.27% -54.02% 38.69% -28.69% 1.79% -33.41% -22.41% -5.79% -28.71% 0.95% 5.53% 32.50% 44.53% -15.33% 14.84% 32.73% 25.81% 71.26% -2.71% 11.62% 12.22% 57.86% -384.24% -36.00% 2.61% 430.07% -152.14% 58.03% -132.04% -87.23% -1.44% 5.17% -403.15% 232.52% 112.63% 36.88% 37.51% -36.85% -53.28% 35.96%  -28.53% 75.00% 42.01%  -62.38% -43.93% -348.33% -29.72% -15.96% -29.49% -125.53% -43.71% -0.43% 54.79% 445.71% -30.20% -10.66% 3.23% -73.88%  23.22% -145.57% -17.43%  45.69% -307.62% 48.02% 6.50% -33.67% 13.86% -21.32% 7.45% 1.90%     
      qoq
    -59.15% -59.54% 52.39% 513.17% -83.04% -24.00% 5.91% 236.77% -48.84% -60.92% 51.18% 120.30% -40.39% -52.55% 14.40% 211.95% -37.68% -40.42% 24.79% 82.75% -15.48% -31.14% 18.28% 148.77% -51.99% -21.00% 18.92% 249.93% -186.45% -117.79% 90.67% 1707.76% -91.50% -46.09% -138.66% -820.28% -34.35% -42.47% 11.43% 690.07% -58.02% -62.96% 11.94% 262.83% -68.94% 7.77%   -23.94% -12.54% 48.77% -61.98% 13.36% -487.31% -142.11% -54.54% -4.89% 40.22% -7.14% -19.59% 47.86% 394.32% -88.12% 2.92% 70.85% 25.05%   -163.18% -326.60% -39.60% 68.50% -9.97% 61.55% -56.54% 4.94% 54.55% 11.64% -40.66% -0.48%  
      other expense:
                                                                                     
      interest expense
    15,326,000 15,954,000 15,945,000 15,665,000 14,980,000 15,460,000 15,748,000 15,322,000 15,882,000 15,870,000 15,748,000 9,001,000 6,959,000 6,644,000 6,177,000 5,698,000 5,204,000 5,301,000 5,164,000 5,296,000 5,468,000 5,199,000 5,406,000 5,511,000 5,952,000 5,886,000 6,235,000 6,155,000 6,460,000 6,674,000 6,424,000 6,469,000 6,454,000 5,835,000 6,268,000 6,334,000 6,450,000 8,975,000 9,643,000 10,004,000 10,030,000 9,727,000 10,087,000 10,150,000 10,126,000 9,623,000 9,551,000  11,699,000 11,852,000 11,644,000 11,528,000 11,210,000 11,159,000 9,268,000 12,189,000 14,529,000 14,646,000 14,640,000 14,888,000 15,006,000 9,846,000 9,773,000 10,338,000 10,155,000 8,268,000 10,827,000  11,509,000 9,890,000 10,323,000 10,079,000 9,833,000 9,024,000 8,396,000 8,005,000 7,517,000 7,966,000 7,380,000 7,352,000 7,169,000 
      interest income
    -1,333,000 -1,871,000 -2,030,000 -2,665,000 -3,382,000 -3,611,000 -1,380,000 -2,625,000 -2,812,000 -2,921,000 -5,525,000 -1,611,000 -684,000 -449,000 -178,000 -42,000 -40,000 -111,000 -61,000 -66,000 -64,000 -50,750 -107,000 -45,000 -51,000 -71,750 -66,000 -105,000 -117,000 -40,250 -53,000 -79,000 -29,000 -45,000 -58,000 -52,000 -69,000 -57,250 -64,000 -60,000 -104,000 -66,750 -56,000 -70,000 -141,000 -81,000 -88,000  -10,000 -8,000                                
      other income
    -314,000 -609,000 -436,000 -615,000 -320,000 -427,000 -412,000 -477,000 -352,000 -627,000 -225,000 -452,000 -349,000 -607,000 -1,523,000 -312,000 -144,000 -488,000 -178,000 -510,000  -151,500 -157,000 -492,000  -240,000 -248,000 -496,000 -216,000 -149,250 -166,000 -342,000 -89,000 -141,750 -164,000 -326,000 -81,000 -174,250 -192,000 -363,000 -141,000 -96,750 -178,000 -46,000 -164,000 -423,000 -192,000  -311,000 -130,000                                
      other expense
    13,679,000 13,474,000 13,479,000 12,385,000 11,278,000 12,818,000 13,956,000 12,220,000 12,718,000 12,322,000 9,998,000 15,136,000 5,926,000 5,588,000 4,476,000 5,344,000 5,020,000 4,702,000 4,925,000 4,720,000 -138,000 -17,133,000 5,142,000 4,974,000 43,000 -19,041,000 5,921,000 5,554,000 6,127,000 -18,265,000 6,205,000 13,400,000 6,336,000 -19,240,000 6,046,000 6,002,000 6,772,000 -16,830,000 9,578,000 10,174,000 9,737,000 -28,608,000 10,239,000 10,081,000 10,493,000 9,481,000 9,202,000  25,053,000 13,480,000 11,451,000 28,454,000 12,403,000 13,303,000 17,720,000 12,109,000 14,707,000 16,669,000 15,640,000 14,595,000 14,890,000 11,498,000 8,936,000 11,234,000 11,014,000 8,558,750 11,387,000  10,098,000 10,241,000 8,972,000 8,697,000 9,326,000 7,121,000 3,521,000 6,175,000 51,000 164,000 5,051,000 220,000 530,000 
      income before income taxes
    -8,824,000 -1,590,000 15,890,000 6,887,000 -8,135,000 5,711,000 10,423,000 10,798,000 -5,883,000 1,038,000 24,190,000 7,478,000 4,339,000 11,631,000 31,812,000 26,375,000 5,148,000 11,615,000 22,462,000 17,226,000 6,743,000 9,273,000 15,491,000 12,470,000 1,068,000 8,910,000 12,564,000 9,990,000 -1,685,000 4,732,500 22,679,000 1,749,000 -5,498,000 -10,314,750 12,231,000 -53,281,000 -208,000 1,365,000 7,800,000 5,422,000 -7,763,000 -912,500 2,457,000 1,261,000 -7,367,000                         1,270,250  5,900,000          
      benefit for income taxes
    -3,285,000    -3,325,000                                                                             
      net income
    -5,539,000 -2,511,000 9,984,000 5,208,000 -4,810,000 4,876,000 5,771,000 7,006,000 -4,117,000 -1,811,000 18,172,000 5,490,000 3,548,000 8,421,000 22,672,000 17,796,000 4,190,000 9,145,000 15,861,000 11,783,000 4,311,000 62,917,000 15,117,000 12,113,000 959,000 9,066,000 12,386,000 11,915,000 -1,714,000 -13,676,000 22,302,000 1,704,000 -3,910,000 20,021,000 12,080,000 -53,675,000 -224,000 -11,974,000 7,537,000 5,192,000 -7,614,000 -7,019,000 2,259,000 943,000 -7,963,000 361,000 -154,000  -21,092,000 -8,379,000                   1,743,000 372,750  2,390,000  2,551,000 1,287,000 4,157,000 3,107,000 -364,000 1,397,000 3,394,000 2,843,000 
      yoy
    15.16% -151.50% 73.00% -25.66% 16.83% -369.24% -68.24% 27.61% -216.04% -121.51% -19.85% -69.15% -15.32% -7.92% 42.94% 51.03% -2.81% -85.46% 4.92% -2.72% 349.53% 593.99% 22.05% 1.66% -155.95% -166.29% -44.46% 599.24% -56.16% -168.31% 84.62% -103.17% 1645.54% -267.20% 60.28% -1133.80% -97.06% 70.59% 233.64% 450.58% -4.38% -2044.32% -1566.88%  -62.25% -104.31%                        -85.39%  -42.51%  -800.82% -7.87% 22.48% 9.29%     
      qoq
    120.59% -125.15% 91.71% -208.27% -198.65% -15.51% -17.63% -270.17% 127.33% -109.97% 231.00% 54.74% -57.87% -62.86% 27.40% 324.73% -54.18% -42.34% 34.61% 173.32% -93.15% 316.20% 24.80% 1163.09% -89.42% -26.80% 3.95% -795.16% -87.47% -161.32% 1208.80% -143.58% -119.53% 65.74% -122.51% 23862.05% -98.13% -258.87% 45.17% -168.19% 8.48% -410.71% 139.55% -111.84% -2305.82% -334.42%   151.72%                    367.61%     98.21% -69.04% 33.79% -953.57% -126.06% -58.84% 19.38%  
      basic and diluted loss per share attributable to common stockholders:
                                                                                     
      weighted-average common shares outstanding
    63,544 63,462 63,492 63,461 63,387 59,576 58,808 58,109 58,030 55,174 57,962 52,885 51,770 51,623 51,677 51,642 51,490 51,312 51,389 51,366 51,179 48,793 48,370 48,348 48,005 47,226 47,690 47,464 45,913 42,688 42,779 42,661 42,370 41,846 41,951 41,811 41,584 41,233 41,377 41,132 40,996 40,642 40,810 40,447 40,417 40,326                                    
      basic and diluted loss per common share
    -0.09                                                                                 
      southbridge landfill closure charge
         -92,000 8,477,000   191,000 70,000 96,000 110,000 873,000 245,000 178,000 140,000 -157,000 302,000 195,000 157,000 772,000 2,642,000 559,000 613,000   917,000 555,000   172,000 1,586,000 315,000 754,000 64,114,000                                              
      provision for income taxes
     921,000 5,906,000 1,679,000  835,000 4,652,000 3,792,000 -1,766,000 2,849,000 6,018,000 1,988,000 791,000 3,210,000 9,140,000 8,579,000 958,000 2,470,000 6,601,000 5,443,000 2,432,000 -53,644,000 374,000 357,000 109,000 -156,000 178,000 -1,925,000 29,000 782,000 377,000 45,000 -1,588,000 -15,814,000 151,000 394,000 16,000 150,000 263,000 230,000 -149,000 239,000 198,000 318,000 596,000 222,000 290,000  413,000 650,000 -149,000 601,000 67,000 661,000 534,750 1,079,000 281,000 779,000 787,000 1,179,000 555,000 677,000  2,706,000 2,317,000 240,000 496,000  780,000 897,500 689,000 3,510,000  -50,000 1,148,000 3,374,000 2,483,000 -411,000 1,122,000 2,805,000 2,265,000 
      basic earnings per share attributable to common stockholders:
                                                                                     
      basic earnings per common share
     -0.04 0.16 0.08  0.08 0.1 0.12 -0.07 -0.04 0.31 0.1 0.07 0.16 0.44 0.34 0.08 0.18 0.31 0.23 0.08 1.29 0.31 0.25 0.02 0.19 0.26 0.25  -0.32 0.52 0.04  -0.25 0.29 -1.28      -0.038 0.06 0.03                                      
      diluted earnings per share attributable to common stockholders:
                                                                                     
      diluted earnings per common share
     -0.04 0.16 0.08  0.08 0.1 0.12 -0.07 -0.04 0.31 0.1 0.07 0.17 0.44 0.34 0.08 0.18 0.31 0.23 0.08 1.28 0.31 0.25 0.02 0.19 0.26 0.25  0.115 0.5 0.04  -0.25 0.28 -1.28      -0.038 0.06 0.03                                      
      basic and diluted loss per share
        -0.08                                                                             
      legal settlement
               6,150,000                                         359,000 1,000,000                            
      loss from termination of bridge financing
               8,198,000                                                                      
      environmental remediation charge
                  759,000                               375,000 75,000                2,823,000                   
      withdrawal costs - multiemployer pension plan
                              3,591,000                                                       
      expense from acquisition activities and other items
                            1,009,000 450,000 1,097,000 464,000 677,000 942,000 581,000 349,000                                                  
      southbridge landfill closure charge (settlement)
                             524,250 625,000                                                       
      contract settlement charge
                                    2,100,000                                                 
      development project charge
                                    311,000                    131,000                             
      loss on debt extinguishment
                                 1,838,000  7,352,000  129,250  46,000 472,000 184,000 191,000 593,000 -48,000 216,500 345,000  521,000    9,670,000                                 
      basic and diluted earnings per share attributable to common stockholders:
                                                                                     
      basic and diluted earnings per common share
                                -0.04    -0.09    -0.01        -0.23                                     
      southbridge landfill closure (settlement) charge
                                 -1,935,000 -9,498,000                                                   
      less: net loss attributable to noncontrolling interests
                                                                                     
      net income attributable to common stockholders
                                     -10,455,000 12,080,000 -53,675,000  1,281,250 7,537,000 5,195,000  -7,018,000 2,296,000 1,025,000  259,000                                    
      net loss attributable to common stockholders
                                        -224,000    -7,608,000    -9,271,000  -290,000  -20,967,000 -8,371,000 -7,115,250 -24,635,000 -765,000                             
      divestiture transactions
                                             94,000  -677,000 -4,935,000                                     
      loss on derivative instruments
                                             59,750 41,000 47,000 151,000 362,000   3,896,000                                 
      less: net income attributable to noncontrolling interests
                                           -3,000 -6,000 -1,000 -37,000 -82,000 1,308,000 102,000 136,000                                   
      basic earnings per share
                                         0.03 0.18 0.13                                          
      diluted earnings per share
                                         0.03 0.18 0.12                                          
      basic and diluted earnings per share
                                            -0.19                                         
      severance and reorganization costs
                                                    1,793,000                                 
      expense from divestiture, acquisition and financing costs
                                                                                     
      gain on settlement of acquisition related contingent consideration
                                                                                     
      income from equity method investments
                                                                                     
      loss on sale of equity method investment
                                                                                     
      loss from equity method investments
                                                    109,000 1,766,000 -169,000 6,383,000 1,523,000     2,132,000 1,386,000  159,000 1,219,000  1,045,000 1,129,000 1,136,250 907,000  2,151,000            68,000 
      income from continuing operations before income taxes and discontinued operations
                                                 583,000 136,000                 4,772,000 4,538,000 544,000   2,523,000     3,889,500 2,435,000 7,531,000 5,590,000     
      income from continuing operations before discontinued operations
                                                 361,000       -0.03           2,066,000 2,221,000 304,000   1,743,000     2,138,250 1,287,000 4,157,000 3,107,000     
      discontinued operations:
                                                                                     
      income from discontinued operations
                                                          313,750 1,902,000   53,250                     59,000  
      loss on disposal of discontinued operations
                                                                                     
      amounts attributable to common stockholders:
                                                                                     
      income from discontinued operations, net of tax
                                                                                     
      loss on disposal of discontinued operations, net of tax
                                                                                     
      basic earnings per share:
                                                                                     
      net income per common share
                                                 0.01                                    
      diluted earnings per share:
                                                                                     
      gain on derivative instruments
                                                  -69,000                                   
      loss from continuing operations before discontinued operations
                                                  -154,000  -21,092,000 -8,379,000 -1.84 -0.92                              
      basic and diluted earnings per share:
                                                                                     
      net loss per common share
                                                  -0.01  -0.68 -0.31 -0.268 -0.92                              
      basic and diluted weighted-average common shares outstanding
                                                  40,123       26,564 26,105 26,115 26,058 25,905 25,731        25,415               
      expense from divestiture and financing costs
                                                    77,000 553,000                                
      loss from continuing operations before income taxes and discontinued operations
                                                    -20,679,000 -7,729,000                                
      gain on disposal of discontinued operations
                                                        79,000 646,000                            
      less: net loss attributable to noncontrolling interest
                                                    -125,000 -8,000                                
      gain on disposal of discontinued operations, net of tax
                                                                                     
      weighted-average common shares outstanding:
                                                                                     
      basic and diluted
                                                    30,872                                 
      loss from continuing operations, net of tax
                                                    -20,967 -8,371                                
      discontinued operations, net of tax
                                                                                     
      other expense, net:
                                                                                     
      average common shares outstanding:
                                                                                     
      basic and diluted
                                                     26,992 34 26,822                              
      gain on sale of assets
                                                                                     
      impairment of equity method investment
                                                       10,680,000                              
      loss on debt modification
                                                          28,750 115,000      511,000                    
      loss from discontinued operations
                                                                                     
      net loss per common share attributable to common stockholders
                                                        -0.03                             
      basic weighted-average common shares outstanding
                                                        26,759       25,748 25,733 25,688 25,606 25,561 25,473    25,327 25,272  25,261 25,236  25,019 24,925 24,852 24,679 24,768 23,848 24,492 
      diluted weighted-average common shares outstanding
                                                        26,759       25,748 25,733  25,606 25,745 25,683          25,413 25,358 25,218 25,193 25,380 24,252 25,092 
      loss from equity method investment
                                                         2,257,000 1,560,000  506,000                    70,000     
      net loss applicable to common stockholders
                                                         -3,062,000 -2,605,250 -6,365,000 -1,154,000 -2,902,000        -8,000 -4,604,000               
      earnings per share:
                                                                                     
      basic and diluted:
                                                                                     
      loss from continuing operations before discontinued operations available to common stockholders
                                                         -0.14                            
      net loss per common share applicable to common stockholders
                                                         -0.12 -0.1 -0.24 -0.04 -0.11         -0.18               
      loss from continuing operations before discontinued operations applicable to common stockholders
                                                          -0.093 -0.26 -0.04 -0.11                        
      gain on divestiture
                                                                                     
      income on disposal of discontinued operations
                                                              70,000 239,000                      
      net income (applicable) available to common stockholders
                                                              -2,176,250 -4,376,000 -1,551,000                     
      basic:
                                                                                     
      income from continuing operations before discontinued operations (applicable) available to common stockholders
                                                              -0.09 -0.18                      
      net income per common share (applicable) available to common stockholders
                                                              -0.085 -0.17 -0.06                     
      diluted:
                                                                                     
      (loss) income from continuing operations before income taxes and discontinued operations
                                                                                     
      (loss) income from continuing operations before discontinued operations
                                                                                     
      (loss) income from continuing operations before discontinued operations (applicable) available to common stockholders
                                                                -0.06                     
      net income available to common stockholders
                                                                 -2,778,000 -3,817,000 2,066,000 2,176,000    1,743,000 -20,288,000 -1,747,000 1,498,000 -934,000 1,682,000 428,000 3,303,000 2,257,000 -1,203,000 568,000 2,562,000 2,005,000 
      income from continuing operations before discontinued operations available to common stockholders
                                                                 -0.11 -0.15 0.08     0.07     0.06 0.02 0.13 0.09     
      net income per common share available to common stockholders
                                                                 -0.11 -0.15 0.08 0.09    0.07   0.06 -0.04 0.07 0.02 0.13 0.09 -0.05 0.02 0.1 0.08 
      diluted weighted average common shares outstanding
                                                                 25,688       25,442 25,272 25,273 25,510 25,236 25,368        
      income from continuing operations before discontinued operations applicable to common stockholders
                                                                    0.09 0.013 -0.18               
      preferred stock dividend
                                                                         914,000 902,000 892,000 881,000 869,000 859,000 854,000 850,000 839,000 829,000 832,000 838,000 
      deferred costs
                                                                              1,329,000     295,000  
      net (loss) income per common share available to common stockholders
                                                                         -0.013 -0.07           
      basic weighted average common shares outstanding
                                                                          25,273   24,980        
      (benefit) provision for income taxes
                                                                                     
      net (loss) income
                                                                                     
      income from equity method investment
                                                                                     
      income from continuing operations before income taxes, discontinued operations and cumulative effect of change in accounting principle
                                                                                 -843,000 2,519,000 6,290,000  
      income from continuing operations before discontinued operations and cumulative effect of change in accounting principle
                                                                                 -432,000 1,397,000 3,485,000  
      cumulative effect of change in accounting principle
                                                                                   0.11  
      income from continuing operations before discontinued operations and cumulative effect of change in accounting principle available to common stockholders
                                                                                 -0.06 0.02 0.11  
      income before income taxes and cumulative effect of change in accounting principle
                                                                                    5,108,000 
      income before cumulative effect of change in accounting principle
                                                                                    2,843,000 
      income before cumulative effect of change in accounting principle available to common stockholders
                                                                                    0.08 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 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 2014-10-31 2014-07-31 2012-10-31 2012-07-31 2012-04-30 2012-01-31 2011-10-31 2011-07-31 2011-04-30 2011-01-31 2010-10-31 2010-07-31 2010-04-30 2010-01-31 2009-10-31 2009-07-31 2009-01-31 2008-10-31 2008-07-31 2008-04-30 2008-01-31 2007-07-31 2007-04-30 2007-01-31 2006-10-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 2005-04-30 2005-01-31 2004-10-31 2004-07-31 
                                                                                    
        assets
                                                                                    
        current assets:
                                                                                    
        cash, cash equivalents and restricted cash
      123,773,000 192,653,000 217,772,000 267,709,000 383,303,000                                                                          
        accounts receivable
      178,068,000 192,510,000 178,879,000 165,569,000 165,917,000 168,088,000 161,247,000 146,795,000 157,324,000 140,332,000 117,682,000 95,192,000 100,886,000 108,010,000 108,313,000 93,244,000 86,979,000 90,500,000 78,928,000 66,326,000 74,198,000 73,604,000 73,700,000 73,509,000 80,205,000 89,882,000                                                     
        prepaid expenses
      29,930,000 26,903,000 27,330,000 19,976,000 23,047,000 22,657,000 21,282,000 14,975,000 17,223,000 20,448,000 18,122,000 11,627,000 15,182,000 14,998,000 17,517,000 13,840,000 12,766,000 16,806,000 13,735,000 10,906,000 9,289,000 11,250,000 9,906,000 8,728,000 8,994,000 8,423,000 6,433,000 6,730,000 7,345,000 7,384,000 6,624,000 7,664,000 8,299,000 9,474,000 7,208,000 7,851,000 7,989,000 9,186,000 8,435,000 9,421,000 7,670,000 8,981,000 7,329,000 7,096,000 8,041,000 8,359,000 8,063,000 6,192,000 6,077,000 6,976,000 6,446,000 5,692,000 5,856,000 6,346,000 6,180,000 5,710,000 5,710,000 6,352,000 6,679,000 6,679,000 5,923,000 6,930,000 6,930,000  6,885,000 5,518,000 5,518,000 6,004,000 5,126,000 5,126,000 5,126,000 5,580,000 4,371,000 4,371,000 4,371,000 4,701,000 4,164,000 4,164,000 
        other current assets
      37,510,000 5,528,000 6,309,000 6,461,000 10,213,000 8,079,000 9,463,000 11,530,000 9,918,000 12,227,000 7,358,000 6,608,000 6,787,000 7,109,000 2,946,000 2,537,000 3,196,000 3,575,000 1,421,000 1,409,000 1,328,000 1,433,000 1,234,000 1,088,000 1,213,000 693,000 699,000 987,000 2,008,000 2,097,000 1,354,000 1,123,000 1,077,000 1,011,000 967,000 1,075,000 1,290,000 1,372,000 1,350,000 1,495,000 1,586,000 3,843,000 3,541,000 3,407,000 4,287,000 1,314,000 642,000 573,000 609,000 606,000 534,000 492,000 681,000 1,269,000 1,491,000 2,001,000 2,001,000 4,756,000 7,577,000 7,577,000 8,816,000 1,692,000 1,692,000  1,628,000 1,636,000 1,636,000 3,335,000 1,982,000 1,982,000 1,982,000 1,569,000 1,138,000 1,138,000 1,138,000 1,254,000 854,000 854,000 
        total current assets
      369,281,000 448,005,000 464,525,000 491,699,000 613,305,000 743,051,000 425,804,000 385,402,000 426,325,000 413,341,000 629,387,000 187,828,000 207,479,000 191,483,000 181,156,000 133,985,000 146,479,000 167,159,000 269,255,000 239,506,000 247,254,000 115,747,000 98,079,000 119,554,000 102,813,000 113,791,000 105,386,000 109,153,000 97,093,000 101,875,000 96,875,000 84,917,000 84,380,000 84,531,000 82,653,000 72,735,000 78,588,000 83,084,000 78,589,000 70,732,000 76,668,000 85,756,000 84,836,000 73,029,000 81,644,000 78,905,000 94,029,000 72,552,000 67,356,000 64,795,000 76,470,000 78,025,000 72,405,000 83,208,000 87,653,000 82,064,000 82,064,000 80,015,000 76,735,000 76,735,000 90,213,000 95,485,000 95,485,000  94,088,000 94,800,000 93,273,000 93,236,000 78,974,000 78,974,000 78,974,000 78,036,000 69,383,000 69,383,000 69,383,000 83,136,000 82,810,000 82,810,000 
        property and equipment
      1,289,409,000 1,268,942,000 1,240,746,000 1,201,597,000 1,164,815,000 1,059,716,000 987,390,000 978,622,000 980,553,000                                                                      
        operating lease right-of-use assets
      105,252,000 107,633,000 111,103,000 104,361,000 98,050,000 102,445,000 98,148,000 99,679,000 100,844,000 103,116,000 104,920,000 95,406,000 92,063,000 93,066,000 93,253,000 93,961,000 93,799,000 96,712,000 90,707,000 92,537,000 95,310,000 101,433,000 104,759,000 107,133,000 108,025,000 109,604,000 103,769,000                                                    
        goodwill
      1,120,056,000 1,115,862,000 1,088,709,000 1,049,535,000 1,002,266,000 907,876,000 737,253,000 736,513,000 735,670,000 737,150,000 619,683,000 274,458,000 274,458,000 272,442,000 262,508,000 258,414,000 232,860,000 227,929,000 196,686,000 196,316,000 194,901,000 192,379,000 190,966,000 186,626,000 185,819,000 184,295,000 169,866,000 162,734,000 162,734,000 151,029,000 130,317,000 130,317,000 122,605,000 122,085,000 121,700,000 119,936,000 119,899,000 119,899,000 119,899,000 118,976,000 118,976,000 118,976,000 118,976,000 119,170,000 119,170,000 119,139,000 102,722,000 102,516,000 101,706,000 101,773,000 101,329,000 101,329,000 101,204,000 100,430,000 125,792,000 125,792,000 125,792,000 125,709,000 125,709,000 125,709,000 181,338,000 179,716,000 179,716,000  171,385,000 173,350,000 173,350,000 172,731,000 171,258,000 171,258,000 171,258,000 171,127,000 157,492,000 157,492,000 157,492,000 160,492,000 157,230,000 157,230,000 
        intangible assets
      290,855,000 308,945,000 315,425,000 319,532,000 313,468,000 273,312,000 216,961,000 228,865,000 241,429,000 256,689,000 187,148,000 87,712,000 91,783,000 94,792,000 96,762,000 100,864,000 93,723,000 92,908,000 55,927,000 57,581,000 58,324,000 59,390,000 60,408,000 57,943,000 58,721,000 60,983,000 43,347,000 33,366,000 34,767,000 26,601,000 9,715,000 10,282,000 8,149,000 7,996,000 8,169,000 7,472,000 7,696,000 8,232,000 8,425,000 8,728,000 9,252,000 9,842,000 10,438,000 11,070,000 12,312,000 12,733,000 4,217,000 3,487,000 2,970,000 3,139,000 2,468,000 2,619,000 2,455,000 2,221,000 2,603,000 3,085,000 3,085,000 2,433,000 2,635,000 2,635,000 2,771,000 2,608,000 2,608,000  2,778,000 2,217,000 2,217,000 2,276,000 2,762,000 2,762,000 2,762,000 3,095,000 2,711,000 2,711,000 2,711,000 3,017,000 3,578,000 3,578,000 
        restricted cash and assets
      96,265,000   4,985,000   3,251,000   4,658,000     2,805,000                                                                
        cost method investments
      10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 10,967,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 11,264,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 12,333,000 14,115,000 14,115,000 14,432,000 16,752,000 16,752,000                                 
        other non-current assets
      21,241,000 21,909,000 22,508,000 23,194,000 24,698,000 23,440,000 23,678,000 23,907,000 26,255,000 30,088,000 28,532,000 26,616,000 27,112,000 23,995,000 20,530,000 18,570,000 14,772,000 18,352,000 16,131,000 14,124,000 13,322,000 13,011,000 12,186,000 11,651,000 11,552,000 11,512,000 15,137,000 14,675,000 11,133,000 12,511,000 12,796,000 14,535,000 13,148,000 12,889,000 13,612,000 13,990,000 13,528,000 13,285,000 11,866,000 11,659,000 28,151,000 29,315,000 29,173,000 29,696,000 23,539,000 23,687,000 21,904,000 20,247,000 21,067,000 19,884,000 20,285,000 20,584,000 21,262,000 15,352,000 16,628,000 17,217,000 17,217,000 18,123,000 12,042,000 12,042,000 14,378,000 10,487,000 10,487,000  11,459,000 10,885,000 10,885,000 12,238,000 12,602,000 12,602,000 12,602,000 13,258,000 14,829,000 14,829,000 14,829,000 14,990,000 14,928,000 14,928,000 
        total assets
      3,303,326,000 3,285,292,000 3,256,911,000 3,205,870,000 3,230,068,000 3,123,229,000 2,511,865,000 2,477,254,000 2,535,470,000 2,498,015,000 2,417,292,000 1,419,890,000 1,449,215,000 1,399,347,000 1,370,719,000 1,306,971,000 1,283,580,000 1,280,397,000 1,227,833,000 1,194,246,000 1,193,898,000 994,255,000 966,971,000 957,640,000 932,182,000 935,780,000 865,960,000 828,313,000 732,410,000 702,848,000 652,574,000 631,375,000 614,949,000 592,420,000 588,877,000 621,249,000 631,512,000 635,255,000 631,621,000 620,406,000 649,883,000 660,665,000 657,528,000 654,404,000 661,794,000 656,602,000                                 
        liabilities and stockholders' equity
                                                                                    
        current liabilities:
                                                                                    
        current maturities of debt
      25,735,000 24,283,000 22,511,000 20,967,000 42,619,000 38,368,000 65,335,000 63,368,000 35,781,000 33,957,000 32,747,000 9,274,000 8,968,000 8,337,000 7,636,000 9,873,000 9,901,000 16,751,000 14,716,000 10,918,000 9,240,000 8,588,000 6,948,000 5,392,000 4,301,000                                                      
        current operating lease liabilities
      11,952,000 11,692,000 11,776,000 11,041,000 10,291,000 10,492,000 8,854,000 8,825,000 9,039,000 8,626,000 8,510,000 7,190,000 7,000,000 6,898,000 6,425,000 7,125,000 7,307,000 7,128,000 7,207,000 7,122,000 8,547,000 8,078,000 8,417,000 8,829,000 9,356,000 9,582,000 8,901,000                                                    
        accounts payable
      102,468,000 112,956,000 116,826,000 102,944,000 111,087,000 101,632,000 94,205,000 79,989,000 116,794,000 100,108,000 87,602,000 66,640,000 74,203,000 71,074,000 73,270,000 65,244,000 63,086,000 69,516,000 60,064,000 50,547,000 49,198,000 55,825,000 57,443,000 53,822,000 64,396,000 59,370,000 61,731,000 49,385,000 57,289,000 56,207,000 54,623,000 49,603,000 47,081,000 47,043,000 43,539,000 40,512,000 44,997,000 47,297,000 46,037,000 38,809,000 44,921,000 50,106,000 48,147,000 39,410,000 47,376,000 47,372,000 51,326,000 48,729,000 46,709,000 45,252,000 51,758,000 45,063,000 42,499,000 34,859,000 43,419,000 40,139,000 40,139,000 31,401,000 34,623,000 34,623,000 35,866,000 51,731,000 51,731,000  43,783,000 52,371,000 52,371,000 41,316,000 46,364,000 46,364,000 46,364,000 44,023,000 46,107,000 46,107,000 46,107,000 33,933,000 40,034,000 40,034,000 
        accrued payroll and related expenses
      36,316,000 29,879,000 21,946,000 17,025,000 32,620,000 25,045,000 16,585,000 12,126,000 22,657,000 20,753,000 14,847,000 8,484,000 23,556,000 20,056,000 16,392,000 10,139,000 22,210,000 19,793,000 13,612,000 8,349,000 17,282,000 13,400,000 9,940,000 5,288,000 14,375,000 10,116,000 7,129,000 5,246,000 10,969,000 7,926,000 6,005,000 4,571,000 12,183,000 8,994,000 5,910,000 4,610,000 12,505,000 9,399,000 7,595,000 5,579,000 8,175,000 6,655,000 5,842,000 4,136,000 4,410,000 4,602,000 3,925,000 3,660,000 4,142,000 4,069,000 3,841,000 3,624,000 3,702,000 3,388,000 4,831,000 4,596,000 4,596,000 4,545,000 4,180,000 4,180,000 3,139,000 11,251,000 11,251,000  9,258,000 8,555,000 8,555,000 7,598,000 6,818,000 6,818,000 6,818,000 8,580,000 9,688,000 9,688,000 9,688,000 8,041,000 7,425,000 7,425,000 
        contract liabilities
      45,153,000 48,490,000 44,176,000 49,724,000 50,690,000 47,798,000 30,662,000 29,715,000 31,472,000 18,852,000 16,260,000 4,146,000 3,742,000 3,891,000 3,733,000 5,500,000 3,404,000 3,422,000 3,133,000 3,082,000 2,685,000 2,754,000 3,056,000 2,860,000 2,299,000 2,812,000 2,644,000 2,315,000 3,074,000 2,674,000 2,115,000 2,567,000                                               
        current accrued capping, closure and post-closure costs
      7,562,000    3,224,000    10,773,000    11,036,000  5,815,000 8,250,000 7,915,000 17,848,000 11,118,000 11,331,000 10,268,000 11,003,000 9,005,000 9,689,000 10,223,000 8,527,000 9,159,000 11,360,000 11,633,000 9,427,000 6,406,000 3,458,000 3,035,000 1,705,000 943,000 705,000 668,000 612,000 604,000 706,000 732,000 795,000 1,658,000 1,985,000 3,827,000 4,669,000 7,069,000 4,434,000 4,907,000 4,668,000 4,602,000 1,633,000 1,702,000 3,256,000 3,668,000 7,765,000 7,765,000 8,786,000 6,426,000 6,426,000 5,821,000 9,265,000 9,265,000  5,964,000 8,921,000 8,921,000 3,429,000 4,771,000 4,771,000 4,771,000 2,487,000 5,290,000 5,290,000     
        other accrued liabilities
      64,716,000 54,371,000 50,731,000 43,106,000 54,666,000 49,000,000 41,548,000 36,431,000 48,456,000 54,014,000 45,333,000 34,955,000 46,237,000 38,740,000 47,371,000 35,467,000 36,328,000 41,951,000 35,663,000 29,724,000 31,862,000 35,827,000 32,430,000 27,179,000 23,598,000 30,641,000 25,186,000 23,531,000 23,819,000 28,148,000 22,496,000 17,062,000 19,251,000 19,936,000 20,597,000 16,572,000 14,916,000 16,830,000 17,121,000 18,660,000 17,765,000 16,884,000 16,629,000 16,200,000 18,672,000 20,000,000 23,582,000 22,796,000 21,208,000 20,186,000 23,155,000 24,354,000 20,923,000 22,408,000 25,536,000 22,362,000 22,362,000 21,582,000 22,337,000 22,337,000 24,153,000 28,202,000 28,202,000  31,676,000 32,693,000 31,166,000 26,740,000 28,374,000 28,374,000 28,374,000 26,361,000 24,519,000 24,519,000 24,519,000 27,735,000 25,273,000 25,273,000 
        total current liabilities
      293,902,000 296,505,000 273,416,000 251,388,000 307,317,000 291,254,000 269,688,000 244,121,000 278,858,000 253,184,000 219,182,000 145,122,000 177,600,000 162,832,000 163,014,000 143,547,000 152,193,000 178,369,000 147,558,000 123,075,000 131,208,000 137,549,000 128,956,000 115,153,000 130,589,000 126,959,000 120,007,000 107,081,000 111,497,000 108,977,000 95,743,000 84,609,000 88,569,000 85,976,000 78,044,000 69,481,000 82,426,000 80,853,000 84,634,000 70,385,000 85,346,000 80,897,000 86,059,000 68,133,000 82,156,000 90,475,000 168,374,000 90,292,000 88,335,000 84,190,000 94,429,000 86,713,000 83,921,000 86,844,000 93,092,000 90,080,000 90,080,000 80,563,000 77,035,000 77,035,000 83,968,000 112,824,000 112,824,000  106,632,000 188,152,000 186,625,000 95,378,000 94,765,000 94,765,000 94,765,000 95,811,000 92,754,000 92,754,000 92,754,000 89,698,000 87,371,000 87,371,000 
        debt, less current portion
      1,128,927,000 1,122,523,000 1,120,963,000 1,115,411,000 1,090,632,000 1,045,509,000 976,620,000 980,878,000 1,007,662,000 1,012,169,000 983,344,000 577,567,000 585,015,000 578,462,000 575,556,000 560,594,000 542,503,000 534,752,000 526,830,000 531,105,000 530,411,000 531,129,000 527,757,000 547,729,000 509,021,000                                                      
        operating lease liabilities, less current portion
      72,513,000 74,755,000 79,158,000 72,325,000 64,449,000 68,601,000 65,710,000 66,630,000 66,074,000 68,584,000 71,039,000 62,155,000 57,345,000 58,528,000 59,027,000 58,262,000 56,375,000 59,001,000 59,536,000 60,854,000 60,979,000 67,365,000 70,208,000 71,729,000 70,709,000 71,910,000 65,735,000                                                    
        accrued capping, closure and post-closure costs, less current portion
      185,160,000    169,006,000    123,131,000    102,642,000  86,558,000 80,577,000 78,999,000 68,425,000 74,441,000 73,694,000 72,265,000 66,016,000 66,392,000 63,661,000 61,704,000 64,092,000 65,380,000 62,309,000 61,442,000 59,094,000 61,339,000 62,208,000 59,255,000 56,865,000 55,804,000 44,897,000 43,539,000 44,288,000 42,874,000 41,549,000 40,309,000 41,309,000 39,968,000 38,609,000 40,451,000 38,846,000 34,220,000 36,059,000 34,722,000 35,301,000 34,245,000 36,049,000 34,705,000 34,058,000 33,620,000 32,237,000 32,237,000 33,604,000 35,464,000 35,464,000 35,358,000 32,864,000 32,864,000  34,313,000 29,451,000 29,451,000 25,670,000 23,245,000 23,245,000 23,245,000 25,998,000 21,338,000      
        deferred income taxes
      18,965,000 17,387,000 16,213,000 13,949,000   8,413,000 11,018,000 11,224,000 6,604,000 16,408,000 23,491,000 22,903,000 25,549,000 34,060,000 41,237,000 43,957,000 46,777,000 53,086,000 57,731,000 61,163,000 7,390,000 7,366,000 7,259,000 8,577,000 8,840,000 9,160,000 9,472,000 9,594,000 10,024,000 10,558,000 10,977,000 11,567,000 6,562,000 6,462,000 6,104,000 6,178,000 6,123,000 5,898,000 5,695,000  1,839,000 2,013,000 2,012,000 2,222,000 2,331,000 3,583,000 3,784,000 3,712,000 2,860,000 2,924,000 3,004,000 5,600,000 4,627,000 5,096,000 5,461,000 5,461,000 4,964,000 4,392,000 4,392,000 12,157,000 15,433,000 15,433,000  13,618,000 8,215,000 8,215,000 10,602,000 5,034,000 5,034,000 5,034,000 4,815,000  3,155,000  5,172,000 4,328,000 4,328,000 
        other long-term liabilities
      35,150,000 34,457,000 34,296,000 32,401,000 28,736,000 37,306,000 29,656,000 31,609,000 37,327,000 28,294,000 26,916,000 27,788,000 28,276,000 28,717,000 28,096,000 28,056,000 30,185,000 31,020,000 30,043,000 31,260,000 35,981,000 41,351,000 40,337,000 39,192,000 34,763,000 35,395,000 32,092,000 30,915,000 30,783,000 22,865,000 25,730,000 26,068,000 25,106,000 25,094,000 25,608,000 20,201,000 19,958,000 18,859,000 18,600,000 18,073,000 18,031,000 16,304,000 16,237,000 16,128,000 16,760,000 16,749,000 12,199,000 12,369,000 11,920,000 11,644,000 9,075,000 8,818,000 8,816,000 8,992,000 8,691,000 8,962,000 8,962,000 9,025,000 10,043,000 10,043,000 9,290,000 6,007,000 6,007,000  7,146,000 10,119,000 10,119,000 11,341,000 11,757,000 11,757,000 11,757,000 11,377,000 11,705,000 11,705,000 11,705,000 17,361,000 18,493,000 18,493,000 
        commitments and contingencies
                                                                                    
        stockholders' equity:
                                                                                    
        class a common stock, 0.01 par value per share...
      625,000 625,000 625,000 625,000 624,000 623,000 571,000 571,000 570,000 570,000 570,000 509,000 507,000 507,000 507,000 506,000 504,000 504,000 504,000 504,000 501,000 474,000 474,000 473,000 468,000 468,000 466,000 463,000  419,000 418,000 417,000  411,000 410,000 409,000  405,000 405,000 402,000 401,000 400,000 399,000 396,000 395,000 395,000                                 
        class b common stock, 0.01 par value per share...
      10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000                                 
        additional paid-in capital
      1,697,143,000 1,692,958,000 1,689,088,000 1,684,788,000 1,679,878,000 1,673,442,000 1,174,744,000 1,170,946,000 1,168,812,000 1,165,517,000 1,163,077,000 663,735,000 661,761,000 658,453,000 656,042,000 654,303,000 652,045,000 648,611,000 645,905,000 642,297,000 639,247,000 491,158,000 489,193,000 486,989,000 485,332,000 482,987,000 480,013,000 475,809,000 373,716,000 367,999,000 361,502,000 359,021,000 356,638,000 354,457,000 352,441,000 350,046,000 348,434,000 347,079,000 346,324,000 345,236,000 344,518,000 343,565,000 342,487,000 341,429,000 340,129,000 339,529,000 332,008,000 289,372,000 288,348,000 287,810,000 287,696,000 286,995,000 285,992,000 284,725,000 283,644,000 281,899,000 281,899,000 281,413,000 279,444,000 279,444,000 279,143,000 276,189,000 276,189,000  275,709,000 273,345,000 273,345,000 274,187,000 274,297,000 274,297,000 274,297,000 274,066,000 274,088,000 274,088,000 274,088,000 274,883,000 272,993,000 272,993,000 
        accumulated deficit
      -125,114,000 -122,603,000 -132,587,000 -137,795,000 -132,985,000 -137,861,000 -143,632,000 -150,638,000 -146,521,000 -144,710,000 -162,882,000 -168,372,000 -171,920,000 -180,341,000 -203,013,000 -220,809,000 -224,999,000 -234,144,000 -250,005,000 -261,788,000 -266,099,000 -329,016,000 -344,133,000 -356,246,000 -357,016,000 -366,082,000 -378,468,000 -390,383,000 -388,669,000 -374,993,000 -397,295,000 -398,999,000 -395,107,000 -415,128,000 -427,208,000 -373,532,000 -373,308,000 -361,334,000 -368,872,000 -374,067,000 -366,459,000 -359,441,000 -361,737,000 -362,761,000 -347,503,000 -347,762,000 -299,573,000 -278,606,000                               
        accumulated other comprehensive income, net of tax
      -3,955,000 -3,626,000 -2,955,000 -739,000 3,312,000  5,821,000 5,035,000 -1,080,000 9,480,000 7,608,000 5,773,000 7,542,000 7,930,000 4,020,000 1,040,000             -1,308,000    184,000    -68,000  -32,000 -76,000 7,000                                      
        total stockholders' equity
      1,568,709,000 1,567,364,000 1,554,181,000 1,546,889,000 1,550,839,000 1,531,530,000 1,037,514,000 1,025,924,000 1,021,791,000 1,030,867,000 1,008,383,000 501,655,000 497,900,000 486,559,000 457,566,000 435,050,000 422,457,000 407,951,000 388,492,000 373,336,000 362,142,000 147,987,000 130,745,000 117,996,000 122,753,000 110,812,000 96,197,000 83,034,000                     18,231,000                              
        total liabilities and stockholders' equity
      3,303,326,000 3,285,292,000 3,256,911,000 3,205,870,000 3,230,068,000 3,123,229,000 2,511,865,000 2,477,254,000 2,535,470,000 2,498,015,000 2,417,292,000 1,419,890,000 1,449,215,000 1,399,347,000 1,370,719,000 1,306,971,000 1,283,580,000 1,280,397,000 1,227,833,000 1,194,246,000 1,193,898,000 994,255,000 966,971,000 957,640,000 932,182,000 935,780,000 865,960,000 828,313,000                                                   
        refundable income taxes
       6,269,000 10,951,000 9,286,000 9,286,000 5,010,000 6,397,000 4,108,000 3,089,000 3,726,000 3,726,000         336,000 229,000 274,000 2,228,000 2,193,000 1,251,000 2,789,000 2,602,000 2,464,000 2,254,000 1,849,000 1,424,000 959,000 522,000 719,000 718,000 618,000 654,000 716,000 736,000 660,000 651,000 653,000 664,000 526,000 411,000 462,000 1,190,000 1,167,000 1,281,000 1,284,000 1,304,000   1,304,000 1,556,000 1,316,000 1,316,000 1,326,000 1,195,000 1,195,000 1,787,000 2,020,000 2,020,000  3,072,000 1,340,000 1,340,000 181,000     874,000 874,000 874,000 677,000 623,000 623,000 
        inventory
       24,142,000 23,284,000 22,698,000 21,539,000 20,240,000 18,913,000 18,537,000 17,859,000 17,519,000 16,784,000 14,175,000 13,472,000 13,432,000 13,071,000 11,770,000 9,729,000 9,797,000 7,994,000 7,974,000 7,868,000 8,059,000 7,938,000 7,815,000 7,679,000 6,976,000 7,054,000 6,793,000 6,542,000 6,459,000 6,461,000 6,492,000 6,534,000 5,941,000 5,309,000 5,338,000 4,915,000 4,894,000 4,603,000 4,474,000 4,282,000 4,586,000 4,622,000 4,418,000 4,199,000 4,191,000 4,017,000 3,823,000 3,595,000 3,830,000 3,781,000 3,396,000 3,461,000 3,538,000 4,038,000 3,604,000 3,604,000 3,556,000 3,114,000 3,114,000 3,525,000 3,876,000 3,876,000  3,692,000 3,524,000 3,524,000 3,186,000 2,975,000 2,975,000 2,975,000 2,782,000 2,538,000 2,538,000 2,538,000 2,146,000 1,848,000 1,848,000 
        restricted assets
       3,029,000 2,928,000  2,499,000 2,422,000  2,281,000 2,203,000  2,005,000 1,972,000 1,900,000 1,705,000  1,985,000 2,122,000 1,948,000 1,953,000 1,871,000 1,848,000 1,619,000 1,555,000 1,410,000 1,586,000 1,410,000 1,395,000 1,345,000 1,248,000 1,229,000 1,198,000 1,197,000 1,220,000 1,084,000 1,065,000 1,039,000 1,002,000 931,000 1,762,000 871,000 2,251,000 5,283,000 968,000 2,554,000 790,000 703,000 521,000 419,000 424,000 400,000 403,000 329,000 334,000 317,000 311,000 228,000 228,000 220,000 127,000 127,000 13,990,000 13,563,000 13,563,000                
        accrued interest
       3,598,000 2,671,000 3,261,000 2,120,000 2,928,000 3,219,000 3,527,000 3,886,000 3,719,000 3,116,000 3,442,000 2,858,000 2,956,000 2,372,000 1,949,000 2,042,000 1,960,000 2,045,000 2,002,000 2,126,000 2,074,000 1,717,000 2,094,000 2,041,000 2,340,000 2,209,000 2,582,000 2,415,000 2,615,000 2,302,000 2,311,000 2,093,000 2,284,000 2,039,000 2,413,000 4,654,000 5,153,000 11,866,000 5,173,000 12,305,000 5,151,000 12,346,000 4,945,000 6,135,000 12,955,000 8,328,000 9,097,000 9,803,000 8,470,000 9,449,000 8,671,000 9,776,000 11,570,000 11,742,000 11,769,000 11,769,000 10,939,000 6,407,000 6,407,000 11,911,000 8,668,000 8,668,000  12,894,000 9,275,000 9,275,000 14,067,000 6,650,000 6,650,000 6,650,000 11,826,000 4,818,000 4,818,000 4,818,000 10,583,000 6,024,000 6,024,000 
        current accrued final capping, closure and post-closure costs
       11,236,000 2,779,000 3,320,000  15,991,000 9,280,000 10,140,000  13,155,000 10,767,000 10,991,000  10,880,000                                                                 
        accrued final capping, closure and post-closure costs, less current portion
       172,301,000 178,684,000 173,507,000  133,644,000 131,488,000 127,184,000  104,401,000 107,949,000 105,165,000  83,727,000                                                                 
        cash and cash equivalents
           518,977,000 208,502,000 189,457,000 220,912,000 219,089,000 465,715,000 60,226,000 71,152,000 47,934,000 39,309,000 12,594,000 33,809,000 46,481,000 167,177,000 152,555,000 154,342,000 21,127,000 3,073,000 26,221,000 3,471,000 5,028,000 3,157,000 19,936,000 4,007,000 3,083,000 2,092,000 2,392,000 1,995,000 2,303,000 2,685,000 2,226,000 2,544,000 3,561,000 2,382,000 1,648,000 2,312,000 2,019,000 3,158,000 3,057,000 2,734,000 2,595,000 1,901,000 3,505,000 4,534,000 1,131,000 4,421,000 2,904,000 1,817,000 5,531,000 4,044,000 2,035,000 2,035,000 2,171,000 1,838,000 1,838,000 2,982,000 2,814,000 2,814,000  2,898,000 12,363,000 12,363,000 11,929,000 7,429,000 7,429,000 7,429,000 10,025,000 8,578,000 8,578,000 8,578,000 7,361,000 8,007,000 8,007,000 
        accumulated other comprehensive loss, net of tax
           -4,684,000           -5,103,000 -7,030,000 -7,922,000 -7,687,000 -11,517,000    -6,041,000                                                      
        property, plant and equipment, net of accumulated depreciation
               935,402,000 818,242,000 711,440,000 720,550,000 685,348,000 668,381,000 646,691,000 644,604,000 617,348,000 532,824,000 523,316,000 510,512,000 492,022,000 480,388,000 454,800,000 443,825,000 434,081,000 406,636,000 379,372,000 404,577,000 387,246,000 378,782,000 366,817,000 361,547,000 351,502,000 349,345,000 393,744,000 398,466,000 397,491,000 398,747,000 397,107,000 402,252,000 397,378,000 399,022,000 404,453,000 406,304,000 403,306,000 424,839,000 422,096,000 416,717,000 461,904,000 461,359,000 454,789,000 453,361,000 455,265,000 478,715,000 480,053,000 480,053,000 482,567,000 490,360,000 490,360,000 499,875,000 488,028,000 488,028,000  488,845,000 487,621,000 487,621,000 506,797,000 481,284,000 481,284,000 481,284,000 469,730,000 412,753,000 412,753,000 412,753,000 402,948,000 372,038,000 372,038,000 
        casella waste systems, inc. stockholders' equity:
                                                                                    
        casella waste systems, inc. stockholders' equity
                                                                                    
        accumulated other comprehensive loss
                           -14,639,000 -14,799,000 -13,230,000  -6,571,000 -5,824,000 -2,865,000      -251,000 -286,000 -86,000           -746,000 -3,997,000                               
        stockholders' equity
                                                                                    
        current maturities of long-term debt and finance leases
                               3,571,000 3,048,000 2,694,000                                                   
        long-term debt and finance leases, less current portion
                               523,975,000 483,892,000 474,733,000                                                   
        accounts receivable - trade, net of allowance for doubtful accounts of 1,275 and 931, respectively
                                85,441,000                                                    
        accounts receivable - trade, net of allowance for doubtful accounts of 921 and 931, respectively
                                 72,243,000                                                   
        right-of-use asset - operating leases
                                 106,932,000                                                   
        current lease liability - operating leases
                                 9,968,000                                                   
        lease liability - operating leases, less current portion
                                 67,656,000                                                   
        account receivables - trade, net of allowance for doubtful accounts of 931 and 809, respectively
                                  74,937,000                                                  
        liabilities and stockholders' deficit
                                                                                    
        current maturities of long-term debt and capital leases
                                  2,298,000 1,980,000 1,796,000 5,037,000 4,926,000 6,014,000 5,016,000 4,669,000 4,686,000 1,562,000 1,411,000 1,458,000 1,448,000 1,306,000 1,437,000 1,457,000 1,736,000 877,000 73,795,000 1,232,000 1,228,000 1,213,000 1,297,000 1,272,000 1,217,000 2,411,000 2,425,000 2,000,000 2,000,000 1,888,000 1,718,000 1,718,000                   
        long-term debt and capital leases, less current portion
                                  542,001,000 514,707,000 502,094,000 494,934,000 477,576,000 478,424,000 497,592,000 503,743,000 503,961,000 499,039,000 501,804,000 513,220,000 522,199,000 530,439,000 526,853,000 545,442,000 522,042,000 511,192,000                                 
        stockholders' deficit:
                                                                                    
        casella waste systems, inc. stockholders' deficit:
                                                                                    
        class a commons stock, 0.01 par value per share...
                                  419,000    413,000    406,000                                          
        total stockholders' deficit
                                  -15,832,000 -5,279,000 -34,716,000 -38,817,000 -37,862,000 -60,501,000 -74,633,000 -23,177,000 -24,550,000 -13,907,000                                         
        total liabilities and stockholders' deficit
                                  732,410,000 702,848,000 652,574,000 631,375,000 614,949,000 592,420,000 588,877,000 621,249,000 631,512,000 635,255,000                                         
        accounts receivable - trade, net of allowance for doubtful accounts of 949 and 809, respectively
                                   81,003,000                                                 
        casella waste systems, inc. stockholders' deficit
                                                                                    
        accumulated other comprehensive income
                                   1,286,000 649,000 734,000      -43,000    -17,000 27,000 24,000 45,000 51,000      259,000 378,000      3,828,000 3,828,000 4,161,000        159,000 159,000 159,000 575,000 767,000 767,000 767,000 868,000 408,000 408,000 
        accounts receivable - trade, net of allowance for doubtful accounts of 865 and 809, respectively
                                    78,920,000                                                
        accounts receivable - trade, net of allowance for doubtful accounts of 743 and 809, respectively
                                     66,287,000                                               
        account receivables - trade, net of allowance for doubtful accounts of 809 and 1,069, respectively
                                      65,953,000                                              
        total casella waste systems, inc. stockholders' deficit
                                      -37,862,000 -60,501,000 -74,633,000 -23,153,000 -24,526,000 -13,883,000                                         
        noncontrolling interests
                                         -24,000 -24,000 -24,000 -24,000 -21,000 -74,000 -73,000 -36,000 46,000 263,000 161,000                                 
        accounts receivable - trade, net of allowance for doubtful accounts of 694 and 1,069, respectively
                                       65,083,000                                             
        accounts receivable - trade, net of allowance for doubtful accounts of 601 and 1,069, respectively
                                        65,766,000                                            
        accounts receivable - trade, net of allowance for doubtful accounts of 645 and 1,069, respectively
                                         55,627,000                                           
        account receivables - trade, net of allowance for doubtful accounts of 1,069 and 988, respectively
                                          61,196,000                                          
        accounts receivable - trade, net of allowance for doubtful accounts of 1,081 and 988, respectively
                                           63,355,000                                         
        accounts receivable - trade, net of allowance for doubtful accounts of 1,070 and 988, respectively
                                            61,083,000                                        
        liabilities and stockholders’ deficit
                                                                                    
        stockholders’ deficit:
                                                                                    
        casella waste systems, inc. stockholders’ deficit:
                                                                                    
        total casella waste systems, inc. stockholders’ deficit
                                            -22,165,000 -28,495,000 -21,523,000 -15,483,000 -18,814,000 -20,902,000 -6,924,000 -7,777,000                                 
        total stockholders’ deficit
                                            -22,189,000 -28,516,000 -21,597,000 -15,556,000 -18,850,000 -20,856,000 -6,661,000 -7,616,000                                 
        total liabilities and stockholders’ deficit
                                            631,621,000 620,406,000 649,883,000 660,665,000 657,528,000 654,404,000 661,794,000 656,602,000                                 
        accounts receivable - trade, net of allowance for doubtful accounts of 989 and 988, respectively
                                             53,034,000                                       
        restricted cash
                                                  76,000 76,000 23,655,000 76,000 76,000 76,000 76,000 76,000 76,000 76,000 76,000 76,000 76,000 76,000 508,000 508,000 96,000 95,000 95,000  95,000 73,000 73,000 73,000 72,000 72,000 72,000 71,000 70,000 70,000 70,000 12,464,000 12,419,000 12,419,000 
        accounts receivable - trade, net of allowance for doubtful accounts of 988, 2,153 and 1,672, respectively
                                              60,167,000                                      
        current assets of discontinued operations
                                                  371,000 365,000        12,773,000        260,000 260,000  430,000              
        non-current assets of discontinued operations
                                                  1,283,000 1,377,000        47,440,000        482,000 482,000                
        accounts receivable - trade, net of allowance for doubtful accounts of 1,037 and 2,153, respectively
                                               63,835,000                                     
        accounts receivable—trade, net of allowance for doubtful accounts of 1,903 and 2,153, respectively
                                                63,509,000                                    
        accounts receivable - trade, net of allowance for doubtful accounts of 1,948 and 2,153, respectively
                                                 52,513,000                                   
        accounts receivable - trade, net of allowance for doubtful accounts of 2,356 and 1,672
                                                  59,303,000                                  
        accounts receivable - trade, net of allowance for doubtful accounts of 2,081 and 1,672
                                                   59,212,000                                 
        accounts receivable - trade, net of allowance for doubtful accounts of 1,213 and 740
                                                    50,978,000                                
        notes receivable - related party/employee
                                                    514,000  722,000 721,000 720,000 719,000 1,297,000                          
        investments in unconsolidated entities
                                                    20,729,000 21,234,000 22,781,000 21,753,000 34,906,000 36,478,000 38,263,000 39,228,000 38,825,000 40,965,000 40,965,000 42,405,000 41,798,000 41,798,000 41,464,000 44,617,000 44,617,000  46,060,000 49,969,000 49,969,000 48,811,000 44,491,000 44,491,000 44,491,000 43,702,000 37,699,000 37,699,000 37,699,000 37,899,000 37,914,000 37,914,000 
        liabilities and stockholders’ equity
                                                                         2,007,000      2,005,000 2,005,000    
        current maturities of financing lease obligations
                                                    349,000 344,000 338,000 332,000 327,000 321,000 316,000 311,000 1,471,000 1,449,000 1,449,000 1,422,000 1,344,000 1,344,000 1,402,000                  
        long-term debt and capital leases, less current maturities
                                                    412,051,000 487,501,000 473,381,000 470,837,000 461,915,000 465,731,000 461,418,000 562,998,000 551,833,000 556,130,000 556,130,000 559,178,000 547,145,000 547,145,000                   
        financing lease obligations, less current maturities
                                                    1,640,000 1,729,000 1,818,000 1,904,000 1,989,000 2,074,000 2,156,000 2,236,000 10,066,000 10,832,000 10,832,000 11,205,000 12,281,000 12,281,000 12,647,000                  
        stockholders’ equity:
                                                                                    
        casella waste systems, inc. stockholders’ equity:
                                                                                    
        class a common stock
                                                              249,000      245,000                
        authorized - 100,000,000 shares, 0.01 par value per share...
                                                    380,000  260,000 260,000 259,000 259,000 256,000 253,000 252,000 249,000  249,000 247,000 247,000                   
        class b convertible common stock
                                                                                    
        authorized - 1,000,000 shares, 0.01 par value per share...
                                                    10,000  10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000  10,000 10,000 10,000                   
        total casella waste systems, inc. stockholders’ equity
                                                    32,079,000 7,043,000  64,916,000 91,325,000                            
        noncontrolling interest
                                                    2,986,000 2,513,000 1,800,000 1,444,000 1,270,000                            
        total stockholders’ equity
                                                    35,065,000 9,556,000  66,360,000 92,595,000 91,812,000 93,987,000 43,416,000 48,429,000 50,296,000 50,296,000 54,790,000 66,310,000 66,310,000 134,792,000 124,682,000 124,682,000  131,073,000 129,496,000 129,496,000 150,366,000 149,490,000 149,490,000 149,490,000 147,123,000 138,782,000 138,782,000 138,782,000 140,042,000 130,055,000 130,055,000 
        accounts receivable – trade, net of allowance for doubtful accounts of 936 and 740
                                                     53,432,000                               
        notes receivable – related party/employee
                                                     723,000                               
        authorized – 100,000,000 shares, 0.01 par value per share...
                                                     264,000                               
        authorized – 1,000,000 shares, 0.01 par value per share...
                                                     10,000                               
        accounts receivable - trade, net of allowance for doubtful accounts of 740 and 920
                                                      47,472,000                              
        income taxes payable
                                                         1,775,000                           
        accumulated other comprehensive (loss) income
                                                                                    
        total casella waste systems, inc. stockholders' equity
                                                      16,431,000                              
        accounts receivable - trade, net of allowance for doubtful accounts of 1,355 and 920
                                                       48,032,000                             
        class b common stock
                                                              10,000                      
        accounts receivable - trade, net of allowance for doubtful accounts of 1,412 and 920
                                                        56,984,000                            
        accounts receivable - trade, net of allowance for doubtful accounts of 1,125 and 920
                                                         62,461,000                           
        accounts receivable - trade, net of allowance for doubtful accounts of 920 and 1,602
                                                          54,914,000                          
        non-current assets held for sale
                                                             3,708,000 3,708,000                      
        taxes payable
                                                          3,786,000                          
        current liabilities of discontinued operations
                                                           8,641,000        949,000 949,000  268,000              
        non-current liabilities of discontinued operations
                                                                   170,000 170,000                
        accounts receivable - trade, net of allowance for doubtful accounts of 1,530 and 1,602
                                                           47,603,000                         
        notes receivable - officer/employees
                                                           141,000 140,000 139,000 139,000 138,000 136,000 136,000 136,000 132,000 132,000                
        accounts receivable - trade, net of allowance for doubtful accounts of 1,551 and 1,641
                                                            65,032,000                        
        accounts receivable - trade, net of allowance for doubtful accounts of 1,641 and 2,085
                                                             61,722,000                       
        accounts receivable - trade, net of allowance for doubtful accounts of 2,014 and 1,641
                                                              61,722,000                      
        100,000,000 shares, 0.01 par value per share...
                                                                                    
        1,000,000 shares, 0.01 par value per share...
                                                                                    
        accounts receivable - trade, net of allowance for doubtful accounts of 2,014 and 1,896
                                                               56,676,000                     
        accounts receivable - trade, net of allowance for doubtful accounts of 2,014 and 1,706
                                                                51,296,000                    
        accounts receivable - trade, net of allowance for doubtful accounts of 2,014 and 2,222
                                                                 51,296,000                   
        accounts receivable - trade, net of allowance for doubtful accounts of 1,752 and 2,236
                                                                  54,791,000                  
        current maturities of long-term debt
                                                                  1,676,000 2,758,000 2,758,000  2,156,000 1,215,000 1,215,000 1,132,000 527,000 527,000 527,000 521,000 281,000 281,000 281,000 3,385,000 5,542,000 5,542,000 
        long-term debt, less current maturities
                                                                  566,181,000 559,227,000 559,227,000  546,188,000 476,225,000 476,225,000 479,370,000 452,720,000 452,720,000 452,720,000 443,768,000 378,436,000 378,436,000 378,436,000 365,680,000 349,163,000 349,163,000 
        authorized - 100,000,000 shares, 0.01 par value...
                                                                  247,000 245,000   244,000 243,000  243,000      239,000 239,000  235,000  
        authorized - 1,000,000 shares, 0.01 par value...
                                                                  10,000 10,000 10,000  10,000 10,000  10,000      10,000 10,000  10,000  
        accounts receivable - trade, net of allowance for doubtful accounts of 1,752 and 1,263
                                                                   62,233,000                 
        accounts receivable - trade, net of allowance for doubtful accounts of 1,752 and 1,780
                                                                    62,233,000                
        financing lease obligations
                                                                                    
        may 2008 - march 2010
                                                                                    
        accounts receivable - trade, net of allowance for doubtful accounts of 1,587 and 1,955
                                                                      61,652,000              
        notes receivable - officers/employees
                                                                      118,000 87,000  87,000 87,000 87,000  89,000 88,000 88,000 88,000 1,005,000  1,105,000 
        net assets under contractual obligation
                                                                       55,000 55,000 88,000 937,000 937,000 937,000 1,197,000 1,392,000 1,392,000 1,392,000 1,406,000 2,148,000 2,148,000 
        current maturities of capital lease obligations
                                                                      633,000 1,104,000 1,104,000 1,096,000 1,061,000 1,061,000 1,061,000 1,052,000 632,000 632,000 632,000 636,000 602,000 602,000 
        series a redeemable, convertible preferred stock
                                                                       74,018,000 74,018,000            
        capital lease obligations, less current maturities
                                                                      4,789,000 650,000 650,000 925,000 1,747,000 1,747,000 1,747,000 2,007,000 1,475,000 1,475,000 1,475,000 1,638,000 1,367,000 1,367,000 
        accounts receivable - trade, net of allowance for doubtful accounts of 1,592 and 1,784
                                                                       62,044,000             
        accounts receivable—trade, net of allowance for doubtful accounts of 650 and 1,592
                                                                        60,517,000            
        notes receivable—officers/employees
                                                                        87,000          1,105,000  
        accrued income taxes
                                                                          200,000 200,000 200,000 961,000       
        series a redeemable, convertible preferred stock—
                                                                                    
        authorized—55,750 shares, issued and outstanding—53,000 as of april 30, 2006, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                                    
        authorized—100,000,000 shares, 0.01 par value...
                                                                        243,000            
        authorized—1,000,000 shares, 0.01 par value...
                                                                        10,000            
        accounts receivable - trade, net of allowance for doubtful accounts of 661 and 1,595
                                                                         57,839,000           
        series a redeemable, convertible preferred stock -
                                                                                    
        authorized - 55,750 shares, issued and outstanding - 53,000 as of april 30, 2006 and january 31, 2007, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                         73,104,000           
        accounts receivable - trade, net of allowance for doubtful accounts of 661 and 1,529
                                                                          56,269,000          
        series a redeemable, convertible preferred stock - authorized - 55,750 shares, issued and outstanding - 53,000 as of april 30, 2006 and october 31, 2006, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                          70,430,000          
        class a common stock - authorized - 100,000,000 shares, 0.01 par value...
                                                                          242,000 242,000  241,000 239,000   239,000   
        class b common stock - authorized - 1,000,000 shares, 0.01 par value...
                                                                          10,000 10,000  10,000 10,000   10,000   
        accounts receivable - trade, net of allowance for doubtful accounts of 661 and 1,060
                                                                           56,269,000         
        series a redeemable, convertible preferred stock - authorized - 55,750 shares, issued and outstanding - 53,000 as of april 30, 2006 and july 31, 2006, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                           70,430,000         
        accounts receivable — trade, net of allowance
                                                                                    
        for doubtful accounts of 707 and 661
                                                                            56,269,000        
        notes receivable — officers/employees
                                                                            87,000        
        series a redeemable, convertible preferred stock — authorized — 55,750 shares; issued and outstanding — 53,750 and 53,000 shares as of april 30, 2005 and april 30, 2006, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                            70,430,000        
        class a common stock— authorized — 100,000,000 shares, 0.01 par value...
                                                                            242,000        
        class b common stock — authorized — 1,000,000 shares, 0.01 par value...
                                                                            10,000        
        accounts receivable - trade, net of allowance for doubtful accounts of 707 and 1,084
                                                                             53,105,000       
        series a redeemable, convertible preferred stock - authorized - 55,750 shares, issued and outstanding - 53,750 and 53,000 shares as of april 30, 2005 and january 31, 2006, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                             69,561,000       
        accounts receivable - trade, net of allowance for doubtful accounts of 707 and 764
                                                                              51,726,000      
        series a redeemable, convertible preferred stock - authorized - 55,750 shares, issued and outstanding - 53,750 and 53,000 shares as of april 30, 2005 and october 31, 2005, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                              67,964,000      
        accounts receivable - trade, net of allowance for doubtful accounts of 707 and 604
                                                                               51,726,000     
        accrued capping, closure and post-closure costs, less current maturities
                                                                               21,338,000 21,338,000 21,574,000 22,752,000 22,752,000 
        authorized - 55,750 shares, issued and outstanding - 53,750 shares, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                               67,964,000     
        accounts receivable - trade, net of allowance for doubtful accounts of 583 and 707
                                                                                51,726,000    
        accrued capping, closure and post-closure costs, current portion
                                                                                5,290,000 5,385,000 2,471,000 2,471,000 
        authorized - 55,750 shares, issued and outstanding - 55,750 and 53,750 as of april 30, 2004 and 2005, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                                67,964,000    
        accounts receivable - trade, net of allowance for doubtful accounts of 583 and 813
                                                                                 48,356,000   
        series a redeemable, convertible preferred stock - authorized - 55,750 shares, issued and outstanding - 55,750 and 53,750 as of april 30, 2004 and january 31, 2005, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                                 67,125,000   
        accounts receivable—trade, net of allowance for doubtful accounts of 583 and 718
                                                                                  49,462,000  
        liabilities and stockholders ‘ equity
                                                                                  2,004,000  
        series a redeemable, convertible preferred stock, 55,750 and 53,750 shares authorized, issued and outstanding as of april 30, 2004 and october 31, 2004, respectively, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                                  67,076,000  
        accounts receivable - trade, net of allowance for doubtful accounts of 583 and 651
                                                                                   49,462,000 
        series a redeemable, convertible preferred stock, 55,750 shares authorized, issued and outstanding as of april 30, 2004 and july 31, 2004, liquidation preference of 1,000 per share plus accrued but unpaid dividends
                                                                                   67,076,000 
        authorized - 100,000,000 shares, 0.01 par value issued and outstanding - 23,496,000 and 23,524,000 shares as of april 30, 2004 and july 31, 2004, respectively
                                                                                   235,000 
        authorized - 1,000,000 shares, 0.01 par value 10 votes per share, issued and outstanding - 988,000 shares
                                                                                   10,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 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 2014-10-31 2014-07-31 2012-04-30 2012-01-31 2011-10-31 2011-07-31 2011-04-30 2011-01-31 2010-10-31 2010-07-31 2010-04-30 2010-01-31 2009-10-31 2009-07-31 2009-01-31 2008-10-31 2008-07-31 2007-07-31 2007-04-30 2007-01-31 2006-10-31 2006-07-31 2006-04-30 2006-01-31 2005-10-31 2005-07-31 2005-04-30 2005-01-31 2004-10-31 2004-07-31 
                                                                                  
          cash flows from operating activities:
                                                                                  
          net income
        -2,511,000 9,984,000   4,876,000 5,771,000 7,006,000 -4,117,000 -1,811,000 18,172,000 5,490,000 3,548,000 8,421,000 22,672,000 17,796,000 4,190,000 9,145,000 15,861,000 11,783,000 4,311,000 62,917,000 15,117,000 12,113,000 959,000 9,066,000 12,386,000   -13,676,000                           -4,376,000 -1,551,000 -2,778,000 -3,817,000 2,066,000 2,176,000 1,743,000 -19,374,000 -845,000   2,551,000 1,288,000 4,158,000 3,107,000 -364,000 1,396,000 3,394,000 2,843,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                  
          depreciation and amortization
        79,509,000 78,829,000 77,006,000 71,491,000 66,358,000 59,174,000 55,338,000 54,037,000 54,610,000 47,736,000 34,924,000 33,435,000 33,245,000 32,527,000 31,151,000 29,428,000 29,080,000 27,491,000 24,337,000 22,682,000 23,501,000 23,799,000 22,076,000 21,406,000 21,646,000 20,940,000 19,715,000 17,489,000 18,936,000 18,202,000 17,387,000 15,983,000 15,795,000 16,590,000 15,868,000 13,849,000 15,426,000 16,175,000 15,802,000 14,453,000 16,330,000 16,384,000 16,242,000 13,748,000 16,028,000 16,368,000 14,182,000 14,827,000 15,061,000 14,506,000 13,485,000 11,258,000 16,791,000 16,727,000 15,458,000 14,941,000 18,346,000 19,530,000 17,033,000 19,505,000 19,470,000 20,176,000 17,283,000 17,222,000 19,293,000 17,942,000 15,017,000 16,525,000 16,913,000 16,134,000 14,569,000 16,270,000 17,554,000 17,244,000 
          interest accretion on landfill and environmental remediation liabilities
        3,613,000 3,679,000 3,715,000 3,711,000 2,843,000 2,896,000 2,925,000 2,937,000 2,415,000 2,469,000 2,491,000 2,510,000 1,990,000 2,003,000 2,049,000 1,966,000 1,409,000 1,953,000 2,005,000 1,957,000 1,766,000 1,782,000 1,748,000 1,794,000 1,666,000 1,731,000 1,775,000 1,804,000 1,417,000 1,429,000 1,440,000 1,422,000 1,277,000 1,266,000 974,000 965,000 918,000 906,000 896,000 886,000 877,000 868,000 856,000 848,000 920,000 832,000 866,000 873,000 871,000 869,000 844,000 831,000 811,000 845,000 838,000 930,000 779,000 959,000                 
          amortization of debt issuance costs
        746,000 758,000 765,000 754,000 736,000 742,000 741,000 741,000 741,000 716,000 1,003,000 502,000  490,000 467,000 457,000  572,000 572,000 572,000  543,000 527,000 527,000                                                   
          stock-based compensation
        2,570,000 3,870,000 2,866,000 4,911,000 4,753,000 2,624,000 2,674,000 2,135,000 2,385,000 2,358,000 2,365,000 1,976,000 2,566,000 2,411,000 937,000 2,241,000 2,839,000 2,655,000 3,116,000 2,941,000 2,874,000 1,965,000 1,818,000 1,562,000 2,005,000 1,898,000 1,889,000 1,431,000 2,079,000 2,168,000 2,121,000 2,077,000 1,648,000 1,872,000 1,655,000 1,257,000 1,016,000 755,000 900,000 722,000  890,000 775,000 660,000 647,000 562,000 548,000 -59,000 717,000 649,000 -460,000 572,000 850,000 630,000 515,000 687,000 510,000 530,000 429,000 565,000 389,000 216,000 191,000 190,000 187,000 134,000         
          operating lease right-of-use assets expense
        5,755,000 5,993,000 5,663,000 4,729,000 4,665,000 4,630,000 4,419,000 4,070,000 4,362,000 4,084,000 3,544,000 3,328,000 3,399,000 3,581,000 3,662,000 3,162,000 3,846,000 7,155,000 1,415,000 1,411,000 1,840,000 2,048,000 2,171,000 2,417,000 2,287,000 2,351,000                                                 
          other items and charges
        2,104,000 -1,274,000                                                                         
          loss from termination of bridge financing
                -7,000                                                                 
          landfill capping (recovery) charge - veneer failure
                                                                                  
          deferred income taxes
        2,186,000 1,224,000 3,180,000 -3,328,000 3,470,000 3,268,000 2,581,000 -2,425,000 2,159,000 3,281,000 1,866,000 86,000 2,708,000 6,663,000 6,622,000 534,000 2,099,000 5,933,000 4,741,000 2,300,000 -53,802,000 258,000 289,000 967,000 23,000 298,000 -1,753,000 188,000 1,171,000 804,000 462,000 -1,187,000 -15,909,000 100,000 358,000 -74,000 55,000 225,000 203,000 100,000 168,000 211,000 465,000 -49,000 155,000 224,000 351,000 540,000 69,000 939,000  642,000 526,000 659,000 651,000 1,292,000 468,000 620,000 -3,153,000 2,212,000 2,435,000 856,000  -613,000   972,000 19,000 2,272,000 1,721,000 372,000 1,059,000 1,946,000 1,755,000 
          changes in assets and liabilities, net of effects of acquisitions and divestitures:
                                                                                  
          accounts receivable
        14,727,000 -13,589,000 -10,355,000 5,618,000 10,118,000 -1,856,000 -17,538,000 10,529,000 -16,138,000 -19,340,000 -9,652,000 5,694,000 7,129,000 437,000 -15,069,000 402,000 3,521,000 -6,231,000 -12,584,000 7,872,000 -585,000 -48,000 -59,000 6,507,000 9,677,000 -5,084,000 -12,751,000 2,694,000 6,328,000 -823,000 -12,580,000 1,242,000 -777,000 683,000 -10,139,000 5,569,000 2,159,000 -2,272,000 -8,049,000 7,133,000 3,581,000 -326,000 -10,911,000 3,237,000 -91,000 -6,609,000 560,000                            
          landfill operating lease contract expenditures
        -2,010,000 -3,415,000   -2,000,000 -2,178,000   -2,160,000 -2,018,000   -2,150,000 -2,028,000   -2,009,000 -2,168,000 -1,318,000 -160,000 -2,000,000 -2,028,000 -1,308,000 -50,000 -2,110,000                                                  
          accounts payable
        -10,437,000 -3,924,000 13,882,000 -8,083,000 6,898,000 1,757,000 14,216,000 -36,505,000 17,024,000 15,670,000 16,461,000 -7,563,000 3,129,000 -2,196,000 8,026,000 2,116,000 -6,430,000 9,452,000 9,517,000 1,349,000 -6,641,000 -1,618,000 3,621,000 -10,588,000 5,128,000 -2,361,000 11,899,000 -7,904,000 1,082,000 1,584,000 5,020,000 1,405,000 38,000 3,504,000 3,027,000 -4,485,000 -2,300,000 1,260,000 7,228,000 -6,112,000 -5,185,000 1,959,000 8,737,000 -9,108,000 4,000 -4,416,000 1,457,000 -6,506,000 6,695,000 2,564,000   1,787,000 1,493,000    645,000   3,118,000         1,997,000   -365,000 458,000 
          prepaid expenses, inventories and other assets
        -4,846,000 4,757,000 -8,896,000 2,246,000 -6,433,000 494,000 -10,319,000 3,739,000 1,940,000 -4,267,000 -7,546,000 1,701,000 -5,255,000 300,000 -5,039,000 -1,060,000 8,048,000 -7,199,000 -5,115,000 -2,077,000 1,697,000 -599,000 -2,138,000 -171,000 -372,000 1,678,000 455,000 -3,430,000 -294,000 -1,788,000 3,121,000 -504,000 318,000 -2,239,000 662,000 -145,000 1,006,000 -2,480,000 710,000 -1,492,000 4,438,000 -1,263,000 1,337,000 4,341,000 -2,104,000 -913,000    1,729,000 3,351,000 210,000 -402,000 675,000 2,884,000 -1,432,000 -885,000 2,338,000                 
          accrued expenses, contract liabilities and other liabilities
        5,157,000 6,673,000 -3,050,000 -27,359,000 13,845,000 5,241,000 8,478,000 -27,782,000 6,290,000 5,196,000 10,906,000 -30,453,000 8,193,000 -6,022,000 18,727,000 -19,582,000 -3,884,000 3,454,000 5,621,000 -12,730,000 -5,075,000 3,827,000 5,022,000 -12,932,000 -4,945,000 -3,058,000 -4,388,000 -10,540,000  -1,990,000 6,062,000 -8,246,000                                           
          net cash from operating activities
        96,563,000 93,565,000 89,525,000 50,123,000 109,761,000 91,813,000 72,102,000 7,679,000 75,267,000 74,629,000 67,117,000 16,079,000 64,883,000 60,180,000 67,537,000 24,714,000 48,648,000 55,076,000 46,866,000 32,147,000 28,007,000 49,422,000 47,702,000 14,791,000 45,334,000 33,244,000 33,474,000 4,777,000 30,917,000 41,838,000 35,285,000 12,794,000 28,438,000 39,091,000 29,333,000 10,676,000 24,363,000 20,486,000 33,861,000 1,724,000 29,977,000 16,641,000 29,584,000 -5,695,000 9,253,000 13,581,000 14,033,000 8,264,000 27,538,000 13,940,000 1,837,000 9,742,000 22,208,000 13,304,000 21,650,000 7,064,000 15,851,000 24,701,000 11,416,000 19,430,000 19,787,000   16,403,000     13,983,000 22,621,000 20,966,000 26,222,000 16,133,000 19,713,000 
          capital expenditures
        -57,268,000 -65,925,000 -66,403,000 -55,475,000 -76,866,000 -51,461,000 -44,649,000 -30,251,000 -39,949,000 -32,536,000 -17,879,000 -43,293,000 -32,799,000 -41,958,000 -12,910,000 -41,718,000 -25,508,000 -29,237,000 -26,832,000 -30,837,000 -25,701,000 -31,719,000 -19,851,000 -27,167,000 -29,339,000 -28,416,000 -18,243,000 -21,391,000 -16,349,000 -27,572,000 -7,920,000 -21,163,000 -18,858,000 -15,738,000 -8,634,000 -16,765,000 -13,975,000 -13,612,000 -9,848,000 -18,957,000 -14,727,000 -11,867,000 -4,444,000 -18,667,000 -16,881,000       
          free cash flows
        39,295,000 27,640,000 23,122,000 -5,352,000 32,895,000 40,352,000 27,453,000 -22,572,000 75,267,000 34,680,000 34,581,000 -1,800,000 21,590,000 27,381,000 25,579,000 11,804,000 6,930,000 29,568,000 17,629,000 5,315,000 -2,830,000 23,721,000 15,983,000 -5,060,000 18,167,000 3,905,000 5,058,000 -13,466,000 9,526,000 25,489,000 7,713,000 4,874,000 7,275,000 20,233,000 13,595,000 2,042,000 7,598,000 6,511,000 20,249,000 -8,124,000 11,020,000 1,914,000 17,717,000 -10,139,000 -9,414,000 -3,300,000 14,033,000 8,264,000 27,538,000 13,940,000 1,837,000 9,742,000 22,208,000 13,304,000 21,650,000 7,064,000 15,851,000 24,701,000 11,416,000 19,430,000 19,787,000   16,403,000     13,983,000 22,621,000 20,966,000 26,222,000 16,133,000 19,713,000 
          cash flows from investing activities:
                                                                                  
          acquisitions, net of cash acquired
        -6,712,000 -42,483,000 -71,458,000 -103,560,000 -209,432,000 -260,492,000 1,590,000 -294,000 -4,076,000 -300,176,000 -547,324,000 -263,000 -4,234,000 -17,713,000 -6,493,000 -49,757,000 -17,535,000 -147,631,000 -913,000 -4,568,000 -7,078,000 -5,288,000 -14,947,000 -5,144,000 -1,883,000 -45,809,000 -26,465,000 -1,222,000 -30,742,000 -38,807,000 -411,000 -18,958,000 -1,493,000 -869,000 -2,280,000 -414,000 -400,000                                     
          additions to property and equipment
        -57,268,000 -65,925,000 -66,403,000 -55,475,000 -76,866,000 -51,461,000 -44,649,000 -30,251,000                                                                   
          additions to intangible assets
            -15,000 -66,000                                                                     
          proceeds from sale of property and equipment
        228,000 78,000 287,000 216,000 333,000 220,000 339,000 488,000 139,000 195,000 361,000 415,000 29,000 64,000 362,000 145,000 195,000 190,000 280,000 123,000 103,000 230,000 149,000 51,000 208,000 179,000 306,000 57,000 261,000 140,000 127,000 342,000 54,000 275,000 298,000 84,000 293,000 112,000 598,000 359,000 79,000 377,000 170,000 89,000 179,000 163,000 155,000 167,000                           
          proceeds from property insurance settlement
                                                                             
          net cash from investing activities
        -64,424,000 -108,330,000 -137,574,000 -158,819,000 -285,980,000 -311,653,000 -42,919,000 -30,057,000 -68,480,000 -339,930,000 -579,499,000 -17,727,000 -45,861,000 -50,448,000 -48,089,000 -62,522,000 -59,058,000 -172,949,000 -29,870,000 -31,277,000 -37,812,000 -30,759,000 -46,517,000 -24,944,000 -28,842,000 -74,637,000 -54,575,000 -19,408,000 -54,281,000 -52,057,000 -29,816,000 -28,043,000 -26,398,000 -20,012,000 -20,038,000 -9,999,000 -19,310,000 -15,348,000 -18,317,000 -9,989,000 -21,307,000 -15,881,000 -11,313,000 -283,000 -20,294,000 -17,725,000     230,000 226,000 2,553,000                    
          cash flows from financing activities:
                                                                                  
          proceeds from debt borrowings
        66,500,000 25,000,000 45,000,000 800,000,000 875,000 875,000 35,000,000   6,000,000 56,600,000 25,600,000 3,201,000   2,600,000 63,200,000 17,700,000 73,500,000                                                   
          principal payments on debt
        -7,933,000 -75,424,000 -4,000,000 -28,984,000 -2,913,000 -760,751,000 -10,068,000 -9,952,000 -7,694,000 -7,938,000 -1,629,000 -8,996,000 -1,804,000 -2,110,000 -46,283,000 -9,014,000 -1,788,000 -2,874,000 -2,874,000 -2,769,000 -4,370,000 -62,289,000 -42,033,000 -40,686,000                                                   
          payments of debt issuance costs
        -1,430,000 -78,000 -724,000 -171,000    -5,574,000 -6,903,000 -282,000 -3,000 -1,217,000 -12,000     -1,520,000 -11,000     -6,000   -1,000 -831,000 -620,000 -7,464,000 -583,000 -99,000                                   
          proceeds from the exercise of share based awards
                   173,000 19,000 9,000 51,000 112,000 100,000 1,078,000 2,017,000 260,000 73,000 88,000 310,000 275,000 145,000 500,000 358,000        143,000                             
          proceeds from the public offering of class a common stock
            -324,000    -172,000                                                                 
          payments of debt modification costs
                                                                                  
          net cash from financing activities
        -7,933,000 -10,354,000 -4,078,000 -4,708,000 40,545,000 529,370,000 -9,193,000 -9,077,000 -7,694,000 21,405,000 917,871,000 -9,278,000 4,196,000 -2,113,000 8,273,000 16,593,000 -2,262,000 -2,823,000 -2,374,000 -2,657,000 143,020,000 -609,000 -24,333,000 32,903,000 -18,049,000 43,264,000 4,322,000 30,560,000 24,288,000 11,210,000 -5,769,000 15,646,000 -2,348,000 -19,461,000 -8,836,000 -995,000 -6,070,000 -3,959,000 -14,810,000 7,601,000 -8,377,000 -1,899,000 -18,170,000 6,830,000 11,092,000 4,187,000 1,139,000 8,925,000 -4,228,000 4,393,000         4,118,000 562,000 1,780,000   9,364,000     36,457,000 11,024,000 6,465,000 -6,295,000 10,338,000 10,784,000 
          net increase in cash, cash equivalents and restricted cash, including non-current
                                                                                  
          cash, cash equivalents and restricted cash, beginning of period
        383,303,000                                                                     
          cash, cash equivalents and restricted cash, including non-current, end of period
                                                                                  
          net increase in cash, cash equivalents and restricted cash
            -135,674,000 309,530,000                                                                     
          cash, cash equivalents and restricted cash, end of period
         -25,119,000   -135,674,000 309,530,000                                                                     
          supplemental disclosure of cash flow information:
                                                                                  
          cash paid during the period for:
                                                                                  
          cash interest payments
         14,260,000 15,490,000 13,085,000  15,296,000 14,889,000 15,500,000  14,430,000 8,323,000 5,873,000  5,102,000 4,808,000 4,840,000  4,677,000 4,681,000 5,020,000                                                       
          cash income tax payments
         154,000 -588,000 752,000  37,000 3,417,000 1,681,000  1,776,000 3,106,000 4,807,000  783,000 1,871,000 221,000  186,000 173,000 238,000                                                       
          supplemental disclosure of non-cash activities:
                                                                                  
          right-of-use assets obtained in exchange for finance lease obligations
         12,928,000 10,351,000 6,989,000                                                                       
          right-of-use assets obtained in exchange for operating lease obligations
         635,000 10,643,000 11,390,000  7,622,000 1,541,000 1,613,000  802,000 12,074,000 5,682,000  2,478,000                                                             
          net decrease in cash, cash equivalents and restricted cash
                                                                                  
          net loss
           -4,810,000                        -1,714,000   1,704,000 -3,910,000   -53,676,000 -224,000   5,192,000 -7,614,000 -7,019,000 2,259,000 942,000 -7,963,000  -154,000    -3,062,000  -6,365,000 -1,154,000 -2,902,000                     
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                  
          disposition of assets, other items and charges
           243,000  9,250,000 2,889,000 320,000 429,000 579,000 -1,615,000 1,315,000                                                               
          net decrease in cash, cash equivalents, restricted cash and non-current restricted cash
           -113,404,000                                                                       
          cash, cash equivalents, restricted cash and non-current restricted cash, end of period
           269,899,000                                                                       
          proceeds from sale of cost method investment
                                                                                  
          payments of contingent consideration
                                                                                
          non-current assets obtained through long-term financing obligations
             8,379,000    3,338,000     3,158,000 1,032,000  12,259,000 1,325,000 4,569,000                                                       
          supplemental disclosure of non-cash investing and financing activities:
                                                                                  
          net decrease in cash and cash equivalents
               -31,455,000    -10,926,000    -21,215,000                    -318,000                                       
          cash and cash equivalents, beginning of period
               220,912,000   71,152,000   33,809,000 154,342,000 3,471,000 4,007,000  1,995,000 2,544,000 2,312,000 2,205,000 2,464,000 1,817,000 2,035,000 1,838,000 2,814,000 12,363,000 -4,000 7,429,000 8,578,000 8,007,000 
          cash and cash equivalents, end of period
               189,457,000   405,489,000 60,226,000 23,218,000   12,594,000 -12,672,000 -120,696,000 14,622,000 152,555,000 133,215,000 18,054,000 -23,148,000 26,221,000 -1,557,000 1,871,000 -16,779,000 19,936,000  991,000 -300,000 2,392,000 -308,000 -382,000 459,000 2,226,000 -1,017,000 1,179,000 734,000 1,648,000 293,000 -1,139,000 101,000 3,057,000 139,000 2,595,000 3,403,000 -3,290,000 1,517,000 2,904,000 -3,714,000 1,487,000 1,749,000 2,295,000 -136,000 167,000 367,000 1,637,000 -128,000 325,000 2,785,000 4,378,000 434,000 3,185,000 2,077,000 6,667,000 -2,596,000 2,446,000 806,000 6,773,000 1,217,000 2,589,000 1,354,000 3,418,000 
          right-of-use assets obtained in exchange for financing lease obligations
               9,139,000    1,634,000                                                               
          landfill capping charge - veneer failure
                                                                                  
          net increase in cash and cash equivalents
                -907,000 -243,896,000   23,218,000 7,619,000   -12,672,000 -120,696,000 14,622,000 -1,787,000 133,215,000   22,750,000 -1,557,000 1,871,000 -16,779,000 15,929,000  991,000 -300,000 397,000 -308,000 -382,000   -1,017,000 1,179,000 734,000 -664,000 293,000 -1,139,000 101,000 852,000 139,000 131,000   1,517,000 1,087,000  1,487,000 1,749,000 260,000 -136,000 167,000   -128,000     3,185,000           
          additions to property, plant and equipment
                 -39,949,000 -32,536,000 -17,879,000 -43,293,000 -32,799,000 -41,958,000 -12,910,000 -41,718,000 -25,508,000 -29,237,000 -26,832,000 -30,837,000 -25,701,000 -31,719,000 -19,851,000 -27,167,000 -29,339,000 -28,416,000 -18,243,000 -21,391,000 -16,349,000 -27,572,000 -7,920,000 -21,163,000 -18,858,000 -15,738,000 -8,634,000 -16,765,000 -13,975,000 -13,612,000 -9,848,000 -18,957,000 -14,727,000 -11,867,000 -4,444,000 -18,667,000 -16,881,000                             
          amortization of debt issuance costs on long-term debt
                                                                                  
          gain on sale of property and equipment
                     -311,000 -192,000 -77,000          -479,000 -270,000 -57,000  -44,000 -87,000 -283,000  54,000 -13,000 -84,000 -33,000 -21,000 -317,000 -203,000 6,000 -44,000 -47,000 -46,000 -128,000 -25,000                             
          non-cash expense from acquisition activities
                     -347,000 -292,000 937,000 -217,000 -490,000 876,000 146,000  -26,000                                                     
          right-of-use assets obtained in exchange for operating lease liabilities
                       2,710,000  2,315,000 739,000 512,000                                                       
          loss on sale of property and equipment
                        173,000 91,000 -68,000 -24,000 682,000 123,000 -6,000 137,000                                                   
          southbridge landfill non-cash closure (credit) charge
                                                                                  
          environmental remediation charge
                                                                                  
          withdrawal costs - multiemployer pension plan
                                -1,361,000                                                  
          proceeds from unregistered sale of class a common stock
                                                                                 
          southbridge landfill non-cash closure charge
                         128,000 -9,000 -7,000 -1,814,000 2,036,000 -10,000 51,000 16,000 -121,000   14,825,000 81,000 -130,000 1,403,000                                         
          depletion of landfill operating lease obligations
                          1,977,000 1,604,000 2,070,000 2,243,000 1,795,000 1,673,000 2,131,000 1,957,000 1,975,000 1,648,000 1,897,000 2,834,000 2,601,000 2,392,000 2,812,000 2,661,000 2,409,000 1,764,000 2,165,000 2,687,000 2,493,000 1,950,000 2,409,000 2,660,000 2,669,000 1,690,000 3,064,000 3,134,000 1,912,000 2,056,000 2,484,000 2,030,000 1,865,000 1,714,000 2,107,000 2,192,000 1,931,000 1,771,000 1,645,000 1,520,000 1,498,000 1,797,000 1,723,000 1,857,000 1,478,000 1,682,000 1,937,000 1,924,000 1,633,000 1,677,000 1,546,000 1,428,000 1,056,000 1,141,000 1,241,000 1,347,000 
          amortization of debt issuance costs and discount on long-term debt
                                569,000 575,000 574,000 575,000  585,000 601,000 689,000  685,000 674,000 646,000  1,027,000 1,039,000 1,040,000                                   
          southbridge landfill insurance recovery for investing activities
                                                                                 
          development project charge
                                    311,000                                           
          non-cash expense from acquisition activities and other items
                               532,000 -6,000 139,000 -82,000 14,000 546,000                                             
          loss on debt extinguishment
                                      45,000 472,000 13,011,000 191,000 593,000 -48,000 133,000 345,000 521,000                               
          impairment of investments
                                                                                  
          payments on landfill operating lease contracts
                                    -2,409,000 -1,539,000 -2,958,000 -509,000 -3,509,000 -554,000 -2,200,000 -977,000 -2,438,000 -1,485,000 -2,826,000 -500,000 -2,429,000 -1,531,000 -947,000 -478,000 -1,492,000 -962,000                             
          proceeds from southbridge landfill insurance recovery for investing activities
                                                                                 
          proceeds from the public issuance of class a common stock
                                                                                  
          proceeds from the unregistered sale of class a common stock
                                                                                  
          interest
                             4,506,000 5,361,000 5,372,000  5,528,000 5,954,000 5,718,000  5,527,000 5,876,000 5,547,000  5,338,000 6,034,000 8,045,000  15,329,000 2,272,000 16,122,000    15,336,000        6,156,000 12,873,000 13,352,000                     
          income tax (refunds) payments
                                                                                  
          non-current assets obtained through long-term obligations
                             5,078,000 5,390,000 6,469,000  464,000 6,860,000 2,473,000  1,075,000 1,823,000 1,444,000  751,000    975,000                                     
          income taxes, net of refunds
                              103,000 84,000  68,000 -35,000 51,000  48,000 36,000  59,000 135,000 54,000  39,000 102,000 101,000    30,000        25,000 52,000 65,000                     
          proceeds from long-term borrowings
                                 80,100,000 30,800,000 10,600,000 67,900,000 37,900,000 462,200,000 66,700,000 39,100,000 29,400,000 45,800,000 71,200,000 464,150,000 14,700,000 61,700,000 64,300,000 58,300,000 65,201,000 34,137,000 197,591,000 42,400,000 38,300,000 35,600,000 45,800,000 33,600,000 48,500,000 249,657,000 57,200,000 44,000,000 32,900,000 41,700,000 37,500,000 39,100,000 374,044,000 45,400,000 37,300,000 22,700,000 112,075,000 27,575,000 51,050,000 49,700,000 139,200,000 49,264,000 48,061,000 75,717,000 35,955,000 198,550,000 36,400,000 39,100,000 44,850,000 
          principal payments on long-term debt
                                 -40,533,000 -28,495,000 -80,746,000 -43,612,000 -26,757,000 -462,490,000 -51,364,000 -41,722,000 -49,006,000 -54,305,000 -71,933,000 -456,075,000 -19,407,000 -74,768,000 -57,948,000 -69,776,000 -61,880,000 -52,840,000 -186,500,000 -30,756,000 -34,314,000                             
          contingent consideration from business combinations
                                                                                  
          proceeds from the issuance of class a common stock
                                  100,446,000                                               
          right-of-use asset - operating lease expense
                                   2,579,000                                               
          amortization of debt issuance costs and discounts on long-term debt
                                                                                  
          accrued expenses and other liabilities
                                        2,436,000 1,835,000 3,963,000 -8,834,000 1,239,000 -5,505,000 7,171,000 -9,091,000 11,215,000 -7,412,000 9,207,000 -8,870,000 -10,077,000 4,642,000           -2,334,000 4,998,000                 
          payments of debt extinguishment costs
                                            -6,809,000 -100,000                                     
          acquisition related additions to property, plant and equipment
                                       -998,000 -287,000 -6,000 -118,000 -58,000       -45,000                             
          divestiture transactions
                                                94,000 -676,000 -4,935,000                               
          loss on derivative instruments
                                                -12,000 41,000 47,000 151,000                               
          excess tax benefit on the vesting of share based awards
                                                -6,000 -26,000   47,000 -59,000 35,000                           
          proceeds from divestiture transactions
                                                785,000 4,550,000                               
          change in restricted cash
                                            848,000 -849,000 1,348,000 3,152,000 -4,358,000 1,591,000 4,086,000                               
          distribution to noncontrolling interest holders
                                                                                  
          income from discontinued operations, net of income tax
                                                                                  
          loss on disposal of discontinued operations, net of income tax
                                                                                  
          gain on settlement of acquisition related contingent consideration
                                                                                  
          loss from equity method investments
                                                      -169,000 6,382,000      2,132,000 1,386,000 -73,000 159,000 1,219,000 -262,000 1,044,000 1,129,000 2,151,000            68,000 
          gain on sale of equity method investment
                                                                                  
          proceeds from sale of equity method investment
                                                                                  
          payments related to investments
                                                                                  
          discontinued operations:
                                                                                  
          net cash from discontinued operations
                                                    88,000 88,000 79,000 646,000                         
          distributions to noncontrolling interest holder
                                                                                  
          supplemental disclosures of cash flow information:
                                                                                  
          supplemental disclosures of non-cash investing and financing activities:
                                                                                  
          loss from discontinued operations, net of tax
                                                                                  
          loss on disposal of discontinued operations, net of tax
                                                                                  
          stock-based compensation and related severance expense
                                                                                  
          amortization of discount on long-term debt
                                                95,000 95,000 94,000 80,000                               
          payments for capital related to divestiture
                                                                                  
          payments of financing costs
                                                -34,000 -928,000 -1,211,000 -6,852,000 -505,000 -1,000                             
          net proceeds from the sale of class a common stock
                                                                                  
          (distribution to) contribution from noncontrolling interest holder
                                                                                  
          income from equity method investments
                                                                                  
          loss on sale of equity method investment
                                                                                  
          payment of redemption premium on long-term debt
                                                                                  
          distribution to noncontrolling interest holder
                                                 -1,495,000                               
          proceeds from settlement of contingent consideration
                                                                                  
          income from discontinued operations, net of tax
                                                                                  
          amortization of discount on senior subordinated notes
                                                    65,000 64,000                             
          gain on derivative instruments
                                                     -69,000                             
          adjustments to reconcile net loss to net cash provided by operating activities -
                                                                                  
          loss from discontinued operations
                                                                  11,000              
          gain on disposal of discontinued operations
                                                                                  
          gain on sale of assets
                                                                                  
          asset impairment charge
                                                                                  
          bargain purchase gain
                                                                                  
          amortization of premium on senior subordinated notes
                                                                                  
          amortization of discount on term loan and second lien notes
                                                      252,000 245,000 237,000 230,000 -849,000 562,000 550,000 538,000 526,000 515,000 504,000 122,000                 
          impairment of equity method investment
                                                                                 
          changes in assets and liabilities, net of effects of acquisitions and divestitures -
                                                                                  
          additions to property, plant and equipment attributable to acquisitions
                                                                                  
          - maintenance
                                                                                  
          purchase of gas rights
                                                                                  
          proceeds from sale of assets
                                                                                 
          investments in unconsolidated entities
                                                                                  
          proceeds from exercise of share based awards
                                                      161,000 176,000                         
          contributions from noncontrolling interest holder
                                                      362,000                            
          net loss attributable to common stockholders
                                                                                  
          loss on disposal of discontinued operations
                                                                  34,000          -68,000   
          development project charges
                                                                                  
          loss on debt modification
                                                              511,000                 
          additions to property, plant and equipment - growth
                                                                                  
          net loss attributable to commmon stockholders
                                                                                  
          gain on sale of equipment
                                                                                  
          loss from equity method investment
                                                         2,257,000 1,560,000 -102,000                  70,000     
          proceeds from sale of equipment
                                                         199,000 328,000 76,000 247,000 308,000 1,652,000 285,000 1,914,000 583,000 53,000 347,000 548,000 806,000 339,000 617,000 293,000 459,000 742,000 174,000 438,000 324,000 1,195,000 210,000 699,000 188,000 
          investment in unconsolidated entities
                                                                                  
          payment of financing costs
                                                                                  
          excess tax benefit on the vesting of restricted stock
                                                         246,000 7,000 5,000                       
          income from discontinued operations
                                                                                  
          adjustments to reconcile net income to net cash from operating activities -
                                                                                  
          goodwill impairment charge
                                                                                  
          loss on debt refinancing
                                                                                  
          restricted cash liquidation
                                                                                  
          additions to property, plant and equipment — growth
                                                                                  
          — maintenance
                                                                                  
          proceeds from exercise of stock options
                                                           252,000 160,000 175,000 85,000 173,000 793,000 496,000 165,000 36,000 672,000 900,000 1,049,000 535,000   31,000 1,398,000 -16,000 240,000 
          cash paid during the period for -
                                                                                  
          income on disposal of discontinued operations
                                                                                  
          gain on divestiture
                                                                                  
          proceeds from divestiture
                                                            7,533,000                     
          cash from discontinued operations
                                                            230,000 226,000 2,696,000    47,000              
          adjustments to reconcile net loss to net cash from operating activities -
                                                                                  
          hardwick impairment and closing charges
                                                                                  
          preferred stock dividend
                                                                     925,000             
          maine energy settlement
                                                                                  
          excess tax benefit on the exercise of stock options
                                                                  126,000 31,000   4,000 141,000         
          redemption of series a redeemable, convertible preferred stock
                                                                                  
          income from assets under contractual obligation
                                                                                  
          proceeds from divestitures
                                                                  670,000            
          proceeds from assets under contractual obligation
                                                               -69,000 81,000 69,000 25,000 89,000 55,000 33,000 73,000 158,000 618,000 260,000 172,000 115,000 314,000 14,000 83,000 80,000 579,000 
          amortization of premium on senior notes
                                                                                  
          from operating activities
                                                                  47,000              
          provided by investing activities
                                                                                  
          other assets and liabilities
                                                                     1,429,000 186,000   5,078,000 -5,411,000   2,989,000     
          used in investing activities
                                                                                  
          restricted cash from revenue bond issuance
                                                                      1,116,000 4,419,000         
          used in operating activities
                                                                                  
          from investing activities
                                                                                  
          net cash provided by operating activities
                                                                     20,296,000    18,393,000 12,621,000        
          additions to property, plant and equipment – growth
                                                                                  
          – maintenance
                                                                                  
          net cash (used in) provided by financing activities
                                                                                  
          adjustments to reconcile net income to net cash from operating activities—
                                                                                  
          hardwick impairment and closing charge
                                                                                  
          dividend from equity method investment
                                                                                 
          loss on sale of equipment
                                                                           192,000 -58,000 99,000   -163,000 276,000 
          changes in assets and liabilities, net of effects of acquisitions and divestitures—
                                                                                  
          additions to property, plant and equipment—growth
                                                                                  
          —maintenance
                                                                                  
          deferred financing costs
                                                                                  
          net cash provided by financing activities
                                                                         9,490,000 17,702,000        
          used in financing activities
                                                                                  
          net increase (decrease) in cash and cash equivalents
                                                                                  
          cash paid during the period for— interest
                                                                                  
          summary of entities acquired in purchase business combinations— fair value of assets acquired
                                                                                  
          cash paid
                                                                                  
          notes payable, liabilities assumed and holdbacks to sellers
                                                                                  
          deferred costs
                                                                               
          net (loss) income
                                                                         -53,000         
          adjustments to reconcile net income to net cash from operating activities —
                                                                                  
          cumulative effect of change in accounting principle
                                                                                  
          impairment charge
                                                                                  
          loss from asset write down
                                                                                  
          changes in assets and liabilities, net of effects of acquisitions and divestitures —
                                                                                  
          net (decrease) increase in cash and cash equivalents
                                                                                  
          income from equity method investment
                                                                                  
          net cash used in investing activities
                                                                                  
          reclassification from discontinued operations
                                                                                  
          minority interest
                                                                                  
          advances to unconsolidated entities
                                                                                  
          adjustments to reconcile net income to net cash from operating activities
                                                                                  
          changes in assets and liabilities, net of effects of acquisitions and divestitures