7Baggers

The Ensign Group, Inc
(NASDAQ:ENSG) 

ENSG stock logo

The Ensign Group, Inc. provides health care services in the post-acute care continuum and other ancillary businesses. It operates in two segments, Transitional and Skilled Services and Real Estate. The company offers transitional and skilled services, which include short and long-term nursing care s...

Founded: 1999
Full Time Employees: 24,500
Sector: Healthcare
Industry: Medical Care Facilities

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• Market Cap:
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At a glance:
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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 
                                                                              
      revenue
                         443,391,750 599,255,000 584,699,000 589,613,000 311,152,000 600,507,000 575,651,000 549,214,000     487,705,000 471,594,000 448,279,000 441,739,000 433,048,000 428,065,000 410,517,000 383,234,000 373,155,000 351,086,000 311,056,000 306,529,000 276,869,000 260,841,000 250,043,000 239,653,000 237,008,000 229,261,000 220,086,000 218,201,000 211,101,000 207,150,000 204,308,000 202,160,000 192,662,000 196,346,000 186,326,000 182,943,000 164,653,000 157,948,000 154,174,000 146,615,000 132,924,000 132,178,000 130,285,000 123,947,000 116,328,000 115,318,000 113,779,000 108,979,000 104,092,000 
      yoy
                         42.50% -0.21% 1.57% 7.36%         12.62% 10.17% 9.20% 15.27% 16.05% 21.93% 31.98% 25.02% 34.78% 34.60% 24.40% 27.91% 16.82% 13.77% 13.61% 9.83% 12.27% 10.67% 7.72% 7.93% 9.57% 5.50% 9.65% 10.50% 17.01% 24.31% 20.85% 24.78% 23.87% 19.50% 18.34% 18.29% 14.27% 14.62% 14.51% 13.73% 11.75%     
      qoq
                         -26.01% 2.49% -0.83% 89.49% -48.19% 4.32% 4.81%      3.42% 5.20% 1.48% 2.01% 1.16% 4.27% 7.12% 2.70% 6.29% 12.87% 1.48% 10.71% 6.14% 4.32% 4.34% 1.12% 3.38% 4.17% 0.86% 3.36% 1.91% 1.39% 1.06% 4.93% -1.88% 5.38% 1.85% 11.11% 4.25% 2.45% 5.16% 10.30% 0.56% 1.45% 5.11% 6.55% 0.88% 1.35% 4.40% 4.69%  
      service revenue
    1,382,303,000 1,353,885,000 1,289,779,000 1,221,414,000 1,167,040,000 1,126,374,000 1,076,092,000 1,030,574,000 1,004,485,000 974,728,000 935,324,000 916,101,000 881,918,000 805,325,000 765,883,000 728,347,000 709,156,000 688,994,000 664,597,000 634,609,000 623,276,000         497,313,000 476,306,000 459,222,000 456,021,000                                          
      rental revenue
    6,893,000 6,741,000 6,626,000 6,355,000 6,001,000 5,878,000 5,684,000 5,711,000 5,687,000 5,650,000 5,467,000 5,244,000 4,923,000 4,207,000 4,122,000 4,139,000 4,289,000 4,148,000 3,933,000 3,927,000 3,977,000                                                      
      total revenue
    1,389,196,000 1,360,626,000 1,296,405,000 1,227,769,000 1,173,041,000 1,132,252,000 1,081,776,000 1,036,285,000 1,010,172,000 980,378,000 940,791,000 921,345,000 886,841,000 809,532,000 770,005,000 732,486,000 713,445,000 693,142,000 668,530,000 638,536,000 627,253,000         537,775,000 514,364,000 496,386,000 492,134,000                                          
      expense:
                                                                              
      cost of services
    1,095,826,000 1,074,788,000 1,044,659,000 971,780,000 927,849,000 897,269,000 859,992,000 820,360,000 799,263,000 781,158,000 741,069,000 722,685,000 696,326,000 633,529,000 601,623,000 563,641,000 555,641,000 535,063,000 514,106,000 488,524,000 482,186,000 493,823,000 465,108,000 451,749,000 454,521,000 255,821,000 477,805,000 457,000,000 430,002,000 427,574,000 413,723,000 396,132,000 390,243,000 393,727,000 381,544,000 366,946,000 355,486,000 355,997,000 348,971,000 330,538,000 306,308,000 297,401,000 280,545,000 248,292,000 241,456,000 221,137,000 209,737,000 202,057,000 189,738,000 187,843,000 186,172,000 175,913,000 176,061,000 171,765,000 164,877,000 162,599,000 160,829,000 156,287,000 155,725,000 145,637,000 143,155,000 131,460,000 125,808,000 123,183,000 117,565,000 107,264,000 105,290,000 104,199,000 98,378,000 94,297,000 92,633,000 91,434,000 87,837,000 86,176,000 
      rent—cost of services
    65,506,000 63,513,000 61,528,000 57,195,000 57,076,000 56,076,000 54,792,000 53,272,000 51,876,000 50,604,000 50,357,000 49,760,000 46,637,000 41,152,000 38,907,000 37,228,000 35,762,000 35,837,000 35,623,000 34,455,000 33,456,000 32,608,000 32,504,000 32,484,000 32,330,000 14,215,000 37,728,000 37,060,000 35,786,000 35,339,000 34,851,000 34,472,000 33,850,000 33,652,000 33,782,000 32,585,000 31,900,000 33,507,000 33,342,000 30,741,000 26,991,000 26,245,000 24,500,000 19,066,000 18,966,000                              
      general and administrative expense
    74,210,000 70,791,000 67,367,000 69,107,000 62,555,000 55,611,000 56,180,000 56,194,000 57,158,000 106,557,000 51,127,000 53,430,000 51,891,000 42,775,000 39,247,000 38,527,000 38,256,000 42,026,000 38,554,000 36,908,000 34,273,000 33,250,000 32,817,000 31,427,000 32,249,000 15,578,000 31,710,000 30,561,000 33,024,000 28,216,000 24,601,000 22,386,000 25,104,000 22,833,000 19,261,000 17,253,000 21,270,000 14,814,000 17,306,000 19,657,000 17,387,000 17,246,000 17,165,000 15,335,000 14,416,000 12,525,000 12,956,000 18,257,000 13,157,000 11,782,000 10,601,000 8,872,000 8,848,000 7,886,000 8,099,000 8,137,000 7,697,000 7,578,000 7,195,000 7,592,000 7,401,000 6,713,000 6,407,000 5,774,000 5,506,000 4,883,000 5,417,000 4,961,000 5,389,000 4,565,000 4,971,000 5,092,000 4,307,000 3,995,000 
      depreciation and amortization
    28,801,000 27,721,000 26,633,000 25,785,000 24,188,000 22,519,000 21,474,000 20,488,000 19,657,000 19,233,000 18,446,000 17,596,000 17,112,000 16,880,000 15,941,000 14,858,000 14,676,000 14,602,000 13,929,000 13,795,000 13,659,000 13,489,000 13,757,000 13,605,000 13,720,000 10,953,000 14,319,000 13,184,000 12,598,000 12,199,000 11,902,000 11,621,000 11,622,000 11,760,000 11,448,000 10,750,000 10,514,000 9,701,000 10,911,000 9,772,000 8,298,000 7,926,000 7,288,000 6,379,000 6,517,000 5,087,000 4,677,000 7,804,000 8,862,000 8,711,000 8,795,000 8,671,000 7,732,000 7,319,000 7,179,000 7,042,000 6,924,000 6,502,000 6,179,000 5,546,000 5,059,000 4,260,000 4,023,000 3,955,000 3,863,000 3,239,000 3,209,000 2,965,000 2,513,000 2,350,000 2,173,000 1,990,000 1,962,000 1,818,000 
      total expenses
    1,264,343,000 1,236,813,000 1,200,187,000 1,123,867,000 1,071,668,000 1,031,475,000 992,438,000 950,314,000 927,954,000 957,552,000 860,999,000 843,471,000 811,966,000 734,336,000 695,718,000 654,254,000 644,335,000 627,528,000 602,212,000 573,682,000 563,574,000 573,170,000 544,186,000 529,265,000 532,820,000 296,567,000 561,562,000 537,805,000 511,410,000 503,328,000 485,077,000 464,611,000 459,155,000 461,562,000 446,035,000 426,248,000 434,187,000 397,364,000 408,025,000 390,708,000 366,919,000 348,818,000 329,498,000 289,072,000 281,355,000 257,229,000 245,546,000 236,401,000 215,306,000 211,893,000 208,972,000 196,794,000 228,955,000 205,226,000 183,529,000 181,146,000 178,771,000 173,712,000 172,430,000 162,208,000 159,231,000 146,064,000 139,854,000 136,487,000 130,505,000 119,093,000 117,640,000 115,826,000 109,983,000 104,494,000 103,725,000 102,515,000 98,270,000 96,166,000 
      income from operations
    124,853,000 123,813,000 96,218,000 103,902,000 101,373,000 100,777,000 89,338,000 85,971,000 82,218,000 22,826,000 79,792,000 77,874,000 74,875,000 75,196,000 74,287,000 78,232,000 69,110,000 65,614,000 66,318,000 64,854,000 63,679,000 55,859,000 55,069,000 55,434,000 56,793,000 14,585,000 38,945,000 37,846,000 37,804,000 34,447,000 29,287,000 31,775,000 32,979,000 26,143,000 25,559,000 22,031,000 7,552,000 35,684,000 20,040,000 19,809,000 16,315,000 24,337,000 21,588,000 21,984,000 25,174,000 19,640,000 15,295,000 13,642,000 24,347,000 25,115,000 20,289,000 23,292,000 -10,754,000 5,875,000 23,621,000 23,162,000 23,389,000 18,950,000 23,916,000 24,118,000 23,712,000 18,589,000 18,094,000 17,687,000 16,110,000 13,831,000 14,538,000 14,459,000 13,964,000 11,834,000 11,593,000 11,264,000 10,709,000 7,926,000 
      yoy
    23.16% 22.86% 7.70% 20.86% 23.30% 341.50% 11.96% 10.40% 9.81% -69.64% 7.41% -0.46% 8.34% 14.60% 12.02% 20.63% 8.53% 17.46% 20.43% 16.99% 12.12% 282.99% 41.40% 46.47% 50.23% -57.66% 32.98% 19.11% 14.63% 31.76% 14.59% 44.23% 336.69% -26.74% 27.54% 11.22% -53.71% 46.62% -7.17% -9.89% -35.19% 23.92% 41.14% 61.15% 3.40% -21.80% -24.61% -41.43% -326.40% 327.49% -14.11% 0.56% -145.98% -69.00% -1.23% -3.96% -1.36% 1.94% 32.18% 36.36% 47.19% 34.40% 24.46% 22.33% 15.37% 16.88% 25.40% 28.36% 30.39% 49.31%     
      qoq
    0.84% 28.68% -7.40% 2.49% 0.59% 12.80% 3.92% 4.56% 260.19% -71.39% 2.46% 4.01% -0.43% 1.22% -5.04% 13.20% 5.33% -1.06% 2.26% 1.85% 14.00% 1.43% -0.66% -2.39% 289.39% -62.55% 2.90% 0.11% 9.75% 17.62% -7.83% -3.65% 26.15% 2.28% 16.01% 191.72% -78.84% 78.06% 1.17% 21.42% -32.96% 12.73% -1.80% -12.67% 28.18% 28.41% 12.12% -43.97% -3.06% 23.79% -12.89% -316.59% -283.05% -75.13% 1.98% -0.97% 23.42% -20.76% -0.84% 1.71% 27.56% 2.74% 2.30% 9.79% 16.48% -4.86% 0.55% 3.54% 18.00% 2.08% 2.92% 5.18% 35.11%  
      operating margin %
    Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 12.60% 9.19% 9.48% 9.63% 4.69% 6.49% 6.57% 6.88% Infinity% Infinity% Infinity% Infinity% 5.36% 5.42% 4.91% 1.71% 8.24% 4.68% 4.83% 4.26% 6.52% 6.15% 7.07% 8.21% 7.09% 5.86% 5.46% 10.16% 10.60% 8.85% 10.58% -4.93% 2.78% 11.40% 11.34% 11.57% 9.84% 12.18% 12.94% 12.96% 11.29% 11.46% 11.47% 10.99% 10.41% 11.00% 11.10% 11.27% 10.17% 10.05% 9.90% 9.83% 7.61% 
      other income:
                                                                              
      interest expense
    -1,932,000 -1,955,000 -1,971,000 -2,025,000 -2,037,000 -2,258,000 -2,024,000 -2,040,000 -1,964,000 -2,004,000 -2,024,000 -2,023,000 -2,036,000 -2,067,000 -2,108,000 -2,688,000 -2,068,000 -1,865,000 -1,709,000 -1,634,000 -1,641,000 -1,664,000 -1,740,000 -2,293,000 -3,665,000 -4,149,000 -3,900,000 -3,941,000 -3,672,000 -3,711,000 -3,989,000 -3,869,000 -3,613,000 -3,599,000 -3,519,000 -3,053,000 -3,445,000 -2,185,000 -2,135,000 -1,446,000 -1,370,000 -793,000 -802,000 -567,000 -667,000 -486,000 -407,000 -8,720,000 -3,363,000 -3,346,000 -3,181,000 -3,145,000 -3,115,000 -3,098,000 -3,092,000 -3,114,000 -2,925,000 -2,989,000 -5,323,000 -2,739,000 -2,727,000 -2,283,000 -2,308,000 -2,280,000 -1,973,000 -1,249,000 -1,141,000 -1,328,000 -1,231,000 -1,183,000 -1,169,000 -1,201,000   
      interest income
    6,536,000 6,221,000 6,168,000 5,240,000 6,883,000 7,598,000 7,607,000 7,084,000                 698,000 766,000 736,000 572,000 575,000 586,000 467,000 562,000 448,000 636,000 395,000 288,000 290,000 358,000 236,000 278,000 234,000 242,000 242,000 195,000 166,000 159,000 142,000 134,000 159,000 143,000 141,000 129,000 93,000 83,000 69,000 52,000 51,000 51,000 68,000 75,000 55,000 58,000 63,000 67,000 59,000 81,000 69,000 70,000 280,000 239,000 372,000 483,000 585,000 275,000 
      other income
    -885,000 2,005,000 6,185,000 5,241,000 361,000 -359,000 3,753,000 1,049,000 9,344,000 10,460,000 4,277,000 5,202,000 5,543,000 4,322,000 276,000 -2,587,000 -816,000 2,271,000 248,000                                                        
      income before provision for income taxes
    128,572,000 130,084,000 106,600,000 112,358,000 106,580,000 105,758,000 98,674,000 92,064,000 89,598,000 31,282,000 82,045,000 81,053,000 78,382,000 77,451,000 72,455,000 72,957,000 66,226,000 66,020,000 64,857,000 64,341,000 62,786,000 55,378,000 54,179,000 54,223,000 53,826,000 11,202,000 35,781,000 34,477,000 34,707,000 31,322,000 25,765,000 28,468,000 29,814,000 23,180,000 22,435,000 19,266,000 4,397,000 33,857,000 18,141,000 18,641,000 15,179,000 23,786,000 21,028,000 21,612,000 24,673,000 19,313,000 15,030,000 5,056,000 21,143,000 21,912,000 17,249,000 20,276,000 -13,776,000 2,860,000 20,598,000 20,100,000 20,515,000 16,012,000 18,661,000 21,454,000 21,040,000 16,364,000 15,849,000 15,474,000 14,196,000 12,663,000 13,466,000 13,201,000 13,013,000 10,890,000 10,796,000 10,546,000 10,087,000 6,913,000 
      provision for income taxes
    28,816,000 34,550,000 22,689,000 27,892,000 26,227,000 26,008,000 20,107,000 20,883,000 20,638,000 9,459,000 18,077,000 16,963,000 18,413,000 16,932,000 16,213,000 15,154,000 16,138,000 17,059,000 16,513,000 13,758,000 12,949,000 9,216,000 10,866,000 13,535,000 12,625,000 3,349,000 7,953,000 5,552,000 7,100,000 4,763,000 5,415,000 6,142,000 6,521,000 11,958,000 8,160,000 6,886,000 1,441,000 12,851,000 6,957,000 7,278,000 5,889,000 9,349,000 7,869,000 8,379,000 9,585,000 8,517,000 6,659,000 3,523,000 8,102,000 8,563,000 6,607,000 7,846,000 -3,013,000 1,195,000 7,562,000 7,821,000 7,687,000 5,657,000 7,063,000 8,478,000 8,294,000 6,477,000 6,230,000 6,126,000 5,503,000 4,977,000 5,282,000 5,278,000 5,154,000 4,093,000 4,277,000 4,212,000 3,858,000 2,447,000 
      net income
    99,756,000 95,534,000 83,911,000 84,466,000 80,353,000 79,750,000 78,567,000 71,181,000 68,960,000 21,823,000 63,968,000 64,090,000 59,969,000 60,519,000 56,242,000 57,803,000 50,088,000 48,961,000 48,344,000 50,583,000 49,837,000 46,162,000 43,313,000 40,688,000 41,201,000 27,326,000 27,828,000 28,925,000 27,607,000 26,559,000 20,350,000 22,326,000 23,293,000 11,222,000 14,275,000 12,380,000 2,956,000 21,006,000 11,184,000 11,363,000 9,290,000 14,437,000 13,159,000 13,233,000 15,088,000 10,796,000 8,371,000 1,533,000 13,041,000 13,349,000 10,612,000 12,404,000 -12,511,000 1,665,000 13,036,000 12,279,000 12,828,000 10,355,000 11,598,000 12,976,000 12,746,000 9,887,000 9,619,000 9,348,000 8,693,000 7,686,000 8,184,000 7,923,000 7,859,000 6,797,000 6,519,000 6,334,000 6,229,000 4,466,000 
      yoy
    24.15% 19.79% 6.80% 18.66% 16.52% 265.44% 22.82% 11.06% 14.99% -63.94% 13.74% 10.88% 19.73% 23.61% 16.34% 14.27% 0.50% 6.06% 11.62% 24.32% 20.96% 68.93% 55.65% 40.67% 49.24% 2.89% 36.75% 29.56% 18.52% 136.67% 42.56% 80.34% 687.99% -46.58% 27.64% 8.95% -68.18% 45.50% -15.01% -14.13% -38.43% 33.73% 57.20% 763.21% 15.70% -19.13% -21.12% -87.64% -204.24% 701.74% -18.59% 1.02% -197.53% -83.92% 12.40% -5.37% 0.64% 4.73% 20.57% 38.81% 46.62% 28.64% 17.53% 17.99% 10.61% 13.08% 25.54% 25.09% 26.17% 52.19%     
      qoq
    4.42% 13.85% -0.66% 5.12% 0.76% 1.51% 10.38% 3.22% 216.00% -65.88% -0.19% 6.87% -0.91% 7.60% -2.70% 15.40% 2.30% 1.28% -4.43% 1.50% 7.96% 6.58% 6.45% -1.25% 50.78% -1.80% -3.79% 4.77% 3.95% 30.51% -8.85% -4.15% 107.57% -21.39% 15.31% 318.81% -85.93% 87.82% -1.58% 22.31% -35.65% 9.71% -0.56% -12.29% 39.76% 28.97% 446.05% -88.24% -2.31% 25.79% -14.45% -199.14% -851.41% -87.23% 6.16% -4.28% 23.88% -10.72% -10.62% 1.80% 28.92% 2.79% 2.90% 7.53% 13.10% -6.09% 3.29% 0.81% 15.62% 4.26% 2.92% 1.69% 39.48%  
      net income margin %
    Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 10.41% 7.23% 6.96% 6.99% 8.78% 4.63% 5.02% 5.03% Infinity% Infinity% Infinity% Infinity% 2.30% 3.03% 2.76% 0.67% 4.85% 2.61% 2.77% 2.42% 3.87% 3.75% 4.25% 4.92% 3.90% 3.21% 0.61% 5.44% 5.63% 4.63% 5.64% -5.73% 0.79% 6.29% 6.01% 6.35% 5.37% 5.91% 6.96% 6.97% 6.00% 6.09% 6.06% 5.93% 5.78% 6.19% 6.08% 6.34% 5.84% 5.65% 5.57% 5.72% 4.29% 
      less:
                                                                              
      net income attributable to noncontrolling interests
    88,000 80,000 67,000 70,000 76,000 63,000 123,000 174,000 125,000 132,000 105,000 97,000 117,000 48,000 63,000 112,000 -252,000 221,000 1,063,000 1,158,000 631,000 -159,000 253,000 440,000 352,000                                                  
      net income attributable to the ensign group, inc.
    99,668,000 95,454,000 83,844,000 84,396,000 80,277,000 79,687,000 78,444,000 71,007,000 68,835,000 21,691,000 63,863,000 63,993,000 59,852,000 60,471,000 56,179,000 57,691,000 50,340,000 48,740,000 47,281,000 49,425,000 49,206,000 46,321,000 43,060,000 40,248,000 40,849,000 27,394,000 27,159,000 28,609,000 27,372,000 26,360,000 20,861,000 22,011,000 23,132,000 11,206,000 14,212,000 12,217,000 2,840,000 18,337,000 11,155,000 11,326,000 9,172,000 13,601,000 13,472,000 13,188,000 15,170,000 11,511,000 8,906,000 2,007,000 13,526,000 13,356,000 10,464,000 12,367,000 -12,147,000 1,937,000 13,294,000 12,456,000 12,904,000                  
      net income per share
                                                                              
      basic
    1.73 1.66 1.46 1.48 1.41 1.4 1.38 1.26 1.22 0.38 1.14 1.15 1.08 1.09 1.02 1.05 0.92 0.67 0.87 0.91 0.91     0.388 0.5 0.54 0.52 0.51 0.4 0.42 0.45 0.21 0.28 0.24 0.06 0.36 0.22 0.23 0.18 0.418 0.53 0.52 0.63         0.08 0.62 0.58 0.61 0.49 0.55 0.62 0.61 0.48 0.46 0.45 0.42 0.37 0.4 0.39 0.38 0.33 0.32 0.31 0.35 0.32 
      diluted
    1.67 1.61 1.42 1.44 1.37 1.36 1.34 1.22 1.19 0.37 1.11 1.12 1.05 1.06 0.99 1.01 0.89 0.64 0.83 0.87 0.86     0.37 0.48 0.51 0.49 0.48 0.38 0.41 0.43 0.21 0.27 0.23 0.05 0.35 0.21 0.22 0.18 0.403 0.51 0.5 0.61         0.08 0.6 0.57 0.59 0.48 0.54 0.6 0.59 0.47 0.46 0.44 0.41 0.37 0.39 0.38 0.38 0.33 0.32 0.31 0.32 0.26 
      weighted-average common shares outstanding
                                                                              
      basic
    57,771 57,306 57,382 57,157 57,099 56,655 56,776 56,544 56,337 55,708 55,829 55,611 55,300 54,887 54,882 54,906 54,667 54,486 54,627 54,468 54,192 53,434 53,328 53,094 53,475 53,452 53,941 53,408 53,081 52,016 52,139 51,880 51,585 50,932 50,911 50,705 50,767 50,555 50,541 50,274 50,679 50,316 25,572 25,474 23,908 22,341 22,415 22,259 22,168 21,900 21,941 21,859 21,768 21,429 21,488 21,368 21,251 20,967 20,995 20,909 20,854 20,756 20,741 20,686 20,603 20,616 20,586 20,572 20,520 20,525 20,508 20,498 14,497  
      diluted
    59,567 58,873 58,956 58,602 58,500 58,240 58,444 58,013 57,921 57,323 57,337 57,260 57,098 56,871 56,761 56,853 56,871 56,925 56,971 56,997 56,891 55,787 55,713 55,181 55,796 55,981 56,364 56,078 55,698 54,397 54,632 54,251 53,518 52,829 52,828 52,548 52,633 52,133 52,045 51,931 52,334 52,210 26,535 26,433 24,826 23,095 23,186 22,960 22,582 22,364 22,409 22,321 21,768 21,942 22,010 21,886 21,796 21,583 21,570 21,579 21,516 21,147 21,126 21,074 20,925 20,928 20,874 20,892 20,715 20,777 20,636 20,647 17,470  
      other expense
                 2,255,000 -1,832,000 -5,275,000 -2,884,000 406,000 -1,461,000 -513,000 -893,000 -481,000 -890,000 -1,211,000 -2,967,000 -3,383,000 -3,164,000 -3,369,000 -3,097,000 -3,125,000 -3,522,000 -3,307,000 -3,165,000 -2,963,000 -3,124,000 -2,765,000 -3,155,000 -1,827,000 -1,899,000 -1,168,000 -1,136,000 -551,000 -560,000 -372,000 -501,000 -327,000 -265,000 -8,586,000 -3,204,000 -3,203,000 -3,040,000 -3,016,000 -3,022,000 -3,015,000 -3,023,000 -3,062,000 -2,874,000 -2,938,000 -5,255,000 -2,664,000 -2,672,000 -2,225,000 -2,245,000 -2,213,000 -1,914,000 -1,168,000 -1,072,000 -1,258,000 -951,000 -944,000 -797,000 -718,000   
      revenue:
                                                                              
      weighted-average common shares outstanding:
                                                                              
      basic
    57,771 57,306 57,382 57,157 57,099 56,655 56,776 56,544 56,337 55,708 55,829 55,611 55,300 54,887 54,882 54,906 54,667 54,486 54,627 54,468 54,192 53,434 53,328 53,094 53,475 53,452 53,941 53,408 53,081 52,016 52,139 51,880 51,585 50,932 50,911 50,705 50,767 50,555 50,541 50,274 50,679 50,316 25,572 25,474 23,908 22,341 22,415 22,259 22,168 21,900 21,941 21,859 21,768 21,429 21,488 21,368 21,251 20,967 20,995 20,909 20,854 20,756 20,741 20,686 20,603 20,616 20,586 20,572 20,520 20,525 20,508 20,498 14,497  
      diluted
    59,567 58,873 58,956 58,602 58,500 58,240 58,444 58,013 57,921 57,323 57,337 57,260 57,098 56,871 56,761 56,853 56,871 56,925 56,971 56,997 56,891 55,787 55,713 55,181 55,796 55,981 56,364 56,078 55,698 54,397 54,632 54,251 53,518 52,829 52,828 52,548 52,633 52,133 52,045 51,931 52,334 52,210 26,535 26,433 24,826 23,095 23,186 22,960 22,582 22,364 22,409 22,321 21,768 21,942 22,010 21,886 21,796 21,583 21,570 21,579 21,516 21,147 21,126 21,074 20,925 20,928 20,874 20,892 20,715 20,777 20,636 20,647 17,470  
      interest and other income
                       1,121,000 748,000 1,183,000 850,000 1,082,000                                                   
      net income from continuing operations
                         46,162,000 43,313,000 40,688,000 41,201,000                                                  
      net income from discontinued operations, net of tax
                                                                              
      net income attributable to noncontrolling interests in continuing operations
                         -159,000 253,000 440,000 352,000                                                  
      net income attributable to noncontrolling interests in discontinued operations
                                                                              
      amounts attributable to the ensign group, inc.:
                                                                              
      income from continuing operations attributable to the ensign group, inc.
                         46,321,000 43,060,000 40,248,000 40,849,000                     11,511,000 8,906,000 2,007,000 13,526,000 13,356,000 10,494,000 12,393,000 -10,399,000                      
      income from discontinued operations, net of income tax
                                                     -451,000 -30,000                        
      net income per share
                                                                              
      basic:
                                                                              
      continuing operations
                         0.86 0.81 0.76 0.76                                                  
      discontinued operations
                                                                              
      basic income per share attributable to the ensign group, inc.
                         0.86 0.81 0.76 0.76                                                  
      diluted:
                                                                              
      diluted income per share attributable to the ensign group, inc.
                         0.83 0.77 0.73 0.73                                                  
      expense
                                                                              
      return of unclaimed class action settlement
                                                                              
      less: net income attributable to noncontrolling interests
                             305,000 669,000 316,000 235,000 199,000 -511,000 315,000 161,000 16,000 63,000 163,000 116,000 2,669,000 29,000 37,000 118,000   45,000  -373,500 -535,000 -474,000  -44,750 148,000 37,000                       
      assisted and independent living revenue
                                 40,462,000 38,058,000 37,164,000 36,113,000                                          
      losses related to divestitures
                                     -410,000                                         
      dividends per share
                                 0.034 0.045 0.045 0.045 0.045 0.043 0.043 0.043 0.043 0.04 0.04 0.04 -0.073 0.075 0.075 0.075 0.08 0.07 0.07 0.07                          
      charge related to class action lawsuit
                                        11,000,000                                      
      losses related to operational closures
                                       -1,286,000 4,017,000                                      
      loss related to divestitures
                                         1,357,500 -2,505,000                                    
      losses related to operational closure
                                            7,935,000                                  
      less: net loss attributable to noncontrolling interests
                                             -87,750 -313,000  -82,000    -485,000    -364,000 -272,000 -258,000 -177,000                   
      u.s. government inquiry settlement
                                                        33,000,000                      
      facility rent—cost of services
                                                 18,480,000 18,176,000 8,283,000 3,549,000 3,557,000 3,404,000 3,338,000 3,314,000 3,256,000 3,374,000 3,368,000 3,321,000 2,595,000 3,331,000 3,433,000 3,616,000 3,631,000 3,616,000 3,575,000 2,783,000 3,707,000 3,724,000 3,701,000 2,807,250 3,282,000 3,948,000 3,999,000 3,127,750 4,177,000 
      income from continuing operations
                                                 10,796,000 8,371,000 1,533,000 13,041,000 13,349,000 10,642,000 12,430,000 -10,763,000                      
      loss from discontinued operations, net of income tax benefit of 38 and 1,157 for the three and nine months ended september 30, 2013, respectively
                                                                              
      loss from discontinued operations, net of income tax
                                                                              
      loss from discontinued operations
                                                        -0.08                      
      loss from discontinued operations, net of income tax benefit of 0 for both the three and six months ended june 30, 2014 and 7 and 1,119 for the three and six months ended june 30, 2013, respectively
                                                                              
      loss from discontinued operations, net of income tax benefit of 0 and 1,112 for the three months ended march 31, 2014 and 2013, respectively
                                                                              
      income from discontinued operations, net of income tax provision of
                                                     -451,000 -30,000                        
      income from discontinued operations
                                                     -0.02                         
      loss from discontinued operations, net of income tax benefit of 7 and 1,119 for the three and six months ended june 30, 2013 and 51 and 78 for the three and six months ended june 30, 2012, respectively
                                                       -26,000                       
      loss from discontinued operations, net of income tax benefit
                                                       -26,000 -1,748,000                      
      loss from discontinued operations, net of income tax benefit of 1,112 and 27 for the three months ended march 31, 2013 and 2012, respectively
                                                        -1,748,000                      
      less: net income attributable to noncontrolling interest
                                                            -76,000                  
      weighted average common shares outstanding:
                                                                              
      basic
                                                                             13,506 
      diluted
                                                                             16,878 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 
                                                                                
        assets
                                                                                
        current assets:
                                                                                
        cash and cash equivalents
      539,498,000 503,881,000 443,668,000 363,969,000 282,666,000 464,598,000 532,066,000 477,336,000 511,839,000 509,626,000 467,870,000 419,974,000 326,969,000 316,270,000 308,864,000 285,580,000 248,546,000 262,201,000 304,620,000 198,411,000 155,527,000 236,562,000 175,380,000 201,738,000 63,217,000 59,175,000 44,396,000 39,042,000 37,824,000 31,083,000 45,657,000 27,184,000 35,057,000 42,337,000 40,055,000 33,476,000 31,507,000 57,706,000 40,414,000 33,519,000 51,370,000 41,569,000 40,069,000 50,635,000 62,609,000 50,408,000 39,206,000 22,393,000 57,469,000 65,755,000 45,997,000 27,499,000 42,536,000 40,923,000 32,028,000 32,785,000 32,618,000 29,584,000 25,650,000 38,111,000 50,973,000 36,926,000 26,353,000 41,452,000 38,855,000 21,365,000 33,687,000 33,060,000 41,326,000 56,407,000 50,934,000 54,446,000 51,732,000 6,418,000 
        accounts receivable—less allowance for doubtful accounts of 7,583 and 7,805 at march 31, 2026 and december 31, 2025, respectively
      663,247,000                                                                          
        investments—current
      55,677,000 68,506,000 62,641,000 54,473,000 61,805,000 62,255,000 38,969,000 24,126,000 14,459,000 17,229,000 16,433,000 20,018,000 20,101,000 15,441,000 12,233,000 8,991,000 12,093,000 13,763,000 12,844,000 10,573,000 14,623,000 13,449,000 17,577,000 16,357,000 15,021,000 17,754,000 13,026,000 8,003,000 4,037,000 8,682,000 9,688,000 12,952,000 13,631,000 13,092,000 9,108,000 13,643,000 9,829,000 11,550,000 7,511,000 3,503,000 2,003,000 2,004,000 4,500,000 4,751,000 4,992,000 6,060,000 5,883,000 4,451,000 4,521,000 5,511,000 3,783,000 3,279,000 3,371,000 5,195,000 4,254,000 4,737,000                   
        prepaid expenses and other current assets
      61,678,000 62,932,000 87,525,000 70,703,000 57,872,000 60,882,000 45,844,000 47,699,000 42,451,000 35,036,000 37,921,000 41,618,000 39,246,000 36,339,000 36,497,000 32,774,000 32,586,000 29,562,000 32,660,000 35,643,000 30,588,000 26,659,000 25,969,000 27,150,000 25,565,000 24,428,000 25,150,000 25,632,000 24,019,000 24,130,000 25,105,000 27,801,000 24,735,000 28,132,000 21,441,000 23,135,000 21,374,000 19,871,000 18,569,000 16,496,000 19,441,000 18,827,000 15,417,000 12,395,000 11,998,000 8,434,000 8,432,000 7,657,000 9,023,000 9,213,000 7,700,000 7,086,000 8,424,000 8,636,000 7,985,000 6,912,000 7,373,000 7,667,000 8,274,000 7,072,000 7,661,000 6,953,000 6,695,000 5,866,000 6,498,000 8,076,000 5,789,000 5,074,000 4,692,000 4,750,000 5,454,000 5,423,000 5,319,000 8,229,000 
        total current assets
      1,320,100,000 1,272,304,000 1,206,578,000 1,067,195,000 986,391,000 1,157,632,000 1,196,930,000 1,115,080,000 1,088,188,000 1,046,930,000 994,347,000 927,635,000 830,497,000 781,125,000 726,848,000 682,682,000 633,111,000 639,709,000 668,118,000 567,104,000 513,316,000 582,956,000 526,627,000 547,306,000 433,321,000 411,081,000 393,201,000 375,546,000 357,729,000 348,072,000 348,413,000 327,569,000 344,726,000 368,076,000 339,845,000 323,845,000 305,623,000 333,862,000 308,750,000 288,014,000 293,239,000 294,970,000 269,530,000 255,945,000 255,856,000 213,642,000 193,931,000 184,192,000 203,468,000 210,996,000 185,309,000 169,380,000 174,808,000 167,599,000 155,749,000 154,122,000 142,963,000 140,639,000 130,688,000 134,453,000 143,804,000 127,066,000 115,839,000 124,305,000 117,327,000 89,762,000 102,710,000 101,186,000 104,448,000 114,594,000 109,600,000 118,272,000 120,363,000 70,955,000 
        property and equipment
      1,720,225,000 1,696,863,000 1,598,401,000 1,535,185,000 1,459,378,000 1,291,354,000 1,217,689,000 1,177,822,000 1,101,560,000 1,090,771,000 1,067,902,000 1,008,744,000 1,002,052,000 992,010,000 963,465,000 908,228,000 906,777,000 888,434,000 791,247,000 788,601,000 779,269,000 778,244,000 783,187,000 780,439,000 783,291,000 767,565,000 708,224,000 674,892,000 627,400,000 618,874,000 593,088,000 591,580,000 541,019,000 537,084,000 531,079,000 490,386,000 490,582,000 484,498,000 350,255,000 347,203,000 311,479,000 299,633,000 257,164,000 243,881,000 192,370,000 149,708,000 127,448,000 116,784,000 496,618,000 479,770,000 479,837,000 476,671,000 450,695,000 447,877,000 439,233,000 420,028,000 410,773,000 403,862,000 372,797,000 321,745,000 311,372,000 254,192,000 251,320,000 241,034,000 230,774,000 181,643,000 180,274,000 176,485,000 157,029,000 141,893,000 139,846,000 128,356,000 124,861,000 106,918,000 
        right-of-use assets
      2,137,308,000 2,097,862,000 2,047,979,000 1,930,662,000 1,896,409,000 1,861,071,000 1,904,181,000 1,842,613,000 1,821,024,000 1,756,430,000 1,773,751,000 1,771,936,000 1,790,498,000 1,450,995,000 1,349,411,000 1,305,009,000 1,294,931,000 1,138,872,000 1,175,685,000 1,112,694,000 1,050,506,000 1,025,510,000 1,027,434,000 1,032,684,000 1,044,060,000 1,046,901,000 1,062,219,000 1,074,449,000 1,045,638,000                                              
        insurance subsidiary deposits and investments
      194,309,000 166,841,000 169,142,000 170,752,000 157,307,000 141,246,000 115,496,000 112,756,000 107,666,000 92,687,000 86,818,000 85,770,000 82,052,000 67,652,000 41,689,000 40,077,000 38,024,000 36,567,000 35,180,000 38,288,000 34,370,000 32,105,000 31,768,000 32,499,000 32,916,000 30,571,000 34,561,000 38,929,000 42,937,000 36,168,000 32,487,000 31,396,000 28,065,000 28,685,000 26,245,000 25,899,000 25,176,000 23,634,000 27,655,000 31,018,000 30,955,000 32,713,000 30,050,000 19,857,000 19,145,000 17,873,000 18,170,000 17,681,000 17,728,000 16,888,000 18,712,000 19,384,000 18,943,000 17,315,000 18,149,000 17,840,000 17,168,000 16,752,000 16,605,000 16,261,000 15,751,000 15,845,000 15,397,000 13,985,000 13,810,000 13,580,000 12,797,000 11,695,000       
        deferred tax assets
      83,169,000 83,138,000 56,125,000 66,278,000 66,278,000 66,281,000 65,193,000 66,572,000 66,486,000 67,124,000 39,968,000 39,596,000 39,596,000 39,643,000 33,733,000 32,883,000 32,883,000 33,147,000 31,966,000 32,396,000 32,424,000 32,424,000 3,435,000 3,612,000 3,612,000 4,615,000 8,105,000 8,603,000 8,603,000 11,650,000 12,035,000 12,731,000 12,731,000 12,745,000                                         
        restricted and other assets
      52,347,000 41,600,000 43,789,000 55,729,000 80,826,000 46,499,000 45,753,000 38,551,000 39,686,000 40,205,000 35,979,000 35,534,000 34,343,000 37,291,000 58,469,000 57,010,000 55,172,000 47,046,000 44,382,000 42,496,000 41,422,000 33,155,000 31,777,000 30,712,000 30,138,000 26,207,000 17,351,000 16,943,000 16,441,000 20,844,000 20,459,000 21,046,000 17,695,000 16,501,000 14,447,000 13,329,000 13,241,000 12,614,000 14,869,000 12,507,000 11,165,000 9,631,000 8,177,000 6,825,000 7,125,000 6,833,000 8,449,000 8,169,000 8,676,000 9,804,000 12,086,000 12,596,000 9,687,000 8,643,000 12,385,000 11,952,000 11,975,000 10,418,000 11,227,000 10,504,000 8,665,000 6,067,000 6,036,000 5,895,000 5,650,000 5,151,000 5,431,000 5,258,000  3,586,000 3,489,000 3,453,000 3,273,000 3,083,000 
        intangible assets
      6,322,000 6,381,000 6,442,000 6,509,000 6,947,000 7,292,000 6,676,000 6,703,000 6,559,000 6,525,000 6,347,000 6,272,000 2,359,000 2,465,000 2,531,000 2,535,000 2,665,000 2,652,000 2,711,000 2,784,000 2,828,000 2,899,000 2,959,000 3,004,000 3,131,000 3,382,000 3,541,000 3,829,000 4,131,000 31,000,000 31,620,000 32,605,000 32,236,000 32,803,000 33,568,000 34,184,000 34,524,000 35,076,000 42,975,000 44,910,000 44,444,000 45,431,000 47,223,000 38,580,000 37,481,000 35,568,000 6,560,000 6,711,000 5,650,000 5,718,000 5,976,000 6,302,000 6,037,000 9,015,000 4,867,000 5,078,000 5,197,000 2,321,000 4,036,000 4,202,000 4,427,000 4,131,000 4,288,000 4,269,000 4,498,000 4,385,000 4,472,000 4,699,000 4,374,000 4,502,000 4,578,000 2,692,000 2,335,000 2,471,000 
        goodwill
      97,981,000 97,981,000 97,981,000 97,981,000 106,310,000 97,981,000 77,241,000 77,241,000 77,241,000 76,869,000 76,869,000 76,869,000 76,869,000 76,869,000 76,869,000 76,869,000 76,869,000 60,469,000 60,469,000 60,469,000 54,469,000 54,469,000 54,469,000 54,469,000 54,469,000 54,469,000 96,199,000 97,408,000 87,062,000 80,477,000 78,612,000 81,019,000 80,963,000 81,062,000 77,663,000 73,159,000 68,926,000 67,100,000 67,100,000 69,650,000 41,034,000 40,886,000 39,736,000 32,781,000 32,781,000 30,269,000 25,719,000 24,326,000 23,966,000 23,935,000 24,754,000 23,523,000 23,523,000 22,656,000 22,180,000 22,180,000 19,901,000 17,177,000 14,548,000 11,751,000 10,339,000 10,524,000 10,524,000 7,432,000 7,432,000 5,769,000 5,769,000 5,769,000 2,882,000 2,882,000 2,882,000 2,882,000 2,882,000 2,882,000 
        total assets
      5,611,761,000 5,462,970,000 5,226,437,000 4,930,291,000 4,759,846,000 4,669,356,000 4,629,159,000 4,437,338,000 4,308,410,000 4,177,541,000 4,081,981,000 3,952,356,000 3,862,238,000 3,452,022,000 3,265,274,000 3,124,671,000 3,044,559,000 2,850,623,000 2,813,379,000 2,648,553,000 2,512,500,000 2,545,578,000 2,464,990,000 2,488,157,000 2,388,006,000 2,361,909,000 2,359,549,000 2,321,521,000 2,218,359,000 1,181,958,000 1,143,575,000 1,125,847,000 1,092,709,000 1,102,433,000 1,070,848,000 1,032,184,000 984,469,000 1,001,025,000 853,415,000 840,075,000 773,681,000 747,759,000 682,503,000 628,939,000 573,294,000 493,916,000 402,879,000 380,832,000 771,478,000 760,315,000 738,240,000 723,592,000 711,500,000 690,862,000 667,948,000 646,921,000 625,208,000 596,339,000 566,781,000 508,276,000 501,003,000 425,139,000 410,735,000 402,908,000 391,348,000 321,850,000 314,682,000 308,330,000 296,901,000 282,611,000 276,039,000 270,447,000 267,389,000 203,404,000 
        liabilities and equity
                                                                                
        current liabilities:
                                                                                
        accounts payable
      116,132,000 97,327,000 105,796,000 102,799,000 95,326,000 98,947,000 90,274,000 88,652,000 82,635,000 92,811,000 77,091,000 78,207,000 81,466,000 77,087,000 63,495,000 60,414,000 56,850,000 58,116,000 57,206,000 58,700,000 53,942,000 50,901,000 50,971,000 42,694,000 40,917,000 44,973,000 40,019,000 44,694,000 44,595,000 44,236,000 41,323,000 39,018,000 31,977,000 39,043,000 39,443,000 32,915,000 33,828,000 38,991,000 38,005,000 38,085,000 35,695,000 36,029,000 34,699,000 33,843,000 38,819,000 33,186,000 27,783,000 26,508,000 26,722,000 23,793,000 22,212,000 21,315,000 23,206,000 26,069,000 23,211,000 21,077,000 16,603,000 21,169,000 22,734,000 19,455,000 20,027,000 17,616,000 16,267,000 15,079,000 15,498,000 12,874,000 14,339,000 15,172,000 12,682,000 12,267,000 12,590,000 12,199,000 14,699,000 11,809,000 
        accrued wages and related liabilities
      313,517,000 422,326,000 370,530,000 334,404,000 284,769,000 347,532,000 353,563,000 322,928,000 294,208,000 332,568,000 311,509,000 287,173,000 261,323,000 289,810,000 291,351,000 273,276,000 251,194,000 278,770,000 246,106,000 225,455,000 203,420,000 236,614,000 177,115,000 155,013,000 134,478,000 151,009,000 132,659,000 116,018,000 103,170,000 119,656,000 99,047,000 89,462,000 84,018,000 90,508,000 75,970,000 72,701,000 75,276,000 84,686,000 71,597,000 72,019,000 67,567,000 78,890,000 65,475,000 58,482,000 54,608,000 56,712,000 48,159,000 44,590,000 40,744,000 40,093,000 35,628,000 34,511,000 33,942,000 35,847,000 34,868,000 33,926,000 33,565,000 41,958,000 39,019,000 35,059,000 33,191,000 30,835,000 27,538,000 27,368,000 28,756,000 23,834,000 23,631,000 25,363,000 25,389,000 21,897,000 21,072,000 20,026,000 21,141,000 21,091,000 
        lease liabilities—current
      116,500,000 114,816,000 110,817,000 103,825,000 97,176,000 93,475,000 93,868,000 89,176,000 85,898,000 82,526,000 80,956,000 78,733,000 77,419,000 65,796,000 60,951,000 58,769,000 57,902,000 52,181,000 52,050,000 51,807,000 50,056,000 48,187,000 47,342,000 46,983,000 46,055,000 44,964,000 60,817,000 59,686,000 58,220,000                                              
        accrued self-insurance liabilities—current
      94,868,000 81,623,000 73,854,000 75,542,000 69,959,000 67,331,000 57,989,000 61,356,000 62,589,000 54,664,000 50,197,000 49,907,000 50,280,000 48,187,000 47,136,000 49,728,000 43,728,000 40,831,000 38,730,000 36,222,000 35,135,000 34,396,000 33,022,000 29,493,000 28,873,000 29,252,000 26,707,000 26,981,000 25,375,000 25,446,000 23,113,000 24,826,000 22,163,000 22,516,000 21,639,000 21,010,000 20,461,000 21,359,000 22,076,000 20,829,000 18,204,000 18,122,000 17,069,000 16,537,000 16,694,000 15,794,000 15,642,000 14,771,000 13,335,000 15,461,000 16,154,000 14,662,000 16,769,000 16,034,000 15,897,000 16,259,000 12,946,000  12,035,000 11,518,000 12,742,000 10,672,000 10,500,000 10,079,000  8,543,000 8,413,000 7,239,000  6,997,000 7,587,000 7,148,000  7,342,000 
        other accrued liabilities
      202,766,000 174,027,000 160,042,000 134,820,000 153,857,000 132,057,000 169,195,000 164,640,000 180,408,000 168,228,000 148,128,000 121,086,000 110,938,000 97,309,000 100,193,000 85,793,000 100,161,000 89,410,000 85,469,000 85,793,000 97,639,000 87,318,000 89,625,000 95,921,000 77,093,000 70,273,000 84,250,000 69,816,000 69,954,000 69,784,000 74,297,000 66,972,000 63,088,000 63,815,000 66,266,000 58,787,000 61,154,000 58,763,000 57,531,000 47,353,000 46,018,000 46,205,000 43,492,000 34,431,000 34,245,000 24,630,000 26,751,000 23,697,000 23,584,000 25,698,000 21,525,000 19,216,000 23,932,000 21,210,000 22,615,000 18,534,000 16,912,000 18,577,000 15,968,000 13,142,000 13,445,000 13,247,000 13,442,000 11,850,000 15,375,000 10,931,000 11,448,000 12,401,000 11,050,000 10,869,000 10,515,000 10,916,000 11,137,000 11,884,000 
        current maturities of long-term debt
      4,263,000 4,227,000 4,191,000 4,155,000 4,120,000 4,086,000 4,051,000 4,017,000 3,983,000 3,950,000 3,916,000 3,883,000 3,851,000 3,883,000 3,914,000 3,944,000 3,723,000 3,760,000 3,548,000 3,009,000 2,828,000 2,960,000 3,139,000 3,292,000 2,727,000 2,702,000 10,177,000 10,153,000 10,129,000 10,105,000 10,080,000 10,058,000 10,035,000 9,939,000 8,170,000 8,165,000 8,155,000 8,129,000 8,141,000 634,000 627,000 620,000 613,000 501,000 112,000 111,000 110,000  7,469,000 7,411,000 7,354,000 7,297,000 7,242,000 7,187,000 7,133,000 7,080,000 7,028,000 6,314,000 6,271,000 3,026,000 3,165,000 2,165,000 2,125,000 2,087,000 2,065,000 1,122,000 1,064,000 1,095,000 1,062,000 1,089,000 1,023,000 3,017,000 2,993,000 3,004,000 
        total current liabilities
      848,046,000 894,346,000 825,230,000 755,545,000 705,207,000 743,428,000 768,940,000 730,769,000 709,721,000 734,747,000 671,797,000 618,989,000 585,277,000 582,072,000 567,040,000 531,924,000 513,558,000 523,068,000 483,109,000 460,986,000 443,020,000 562,399,000 525,202,000 581,038,000 330,143,000 343,173,000 354,629,000 327,348,000 311,443,000 269,227,000 247,860,000 230,336,000 211,281,000 225,821,000 222,488,000 204,578,000 209,874,000 211,928,000 199,059,000 178,920,000 168,111,000 179,866,000 161,348,000 143,794,000 150,392,000 130,433,000 118,445,000 109,566,000 111,854,000 112,456,000 150,873,000 145,001,000 153,966,000 121,347,000 103,724,000 96,876,000 87,054,000 100,387,000 96,027,000 82,200,000 88,722,000 74,535,000 69,872,000 71,813,000 71,768,000 57,304,000 58,895,000 61,270,000 57,637,000 53,119,000 52,787,000 53,306,000 57,394,000 55,130,000 
        long-term lease liabilities—less current portion
      1,987,386,000 1,949,213,000 1,902,946,000 1,792,218,000 1,767,210,000 1,735,325,000 1,777,566,000 1,720,250,000 1,701,652,000 1,639,326,000 1,657,955,000 1,657,782,000 1,676,987,000 1,355,113,000 1,259,717,000 1,216,335,000 1,207,104,000 1,056,515,000 1,093,176,000 1,034,517,000 973,679,000 950,320,000 952,866,000 958,249,000 970,350,000 973,983,000 974,496,000 988,145,000 963,172,000                                              
        accrued self-insurance liabilities—less current portion
      183,860,000 164,792,000 160,646,000 158,991,000 150,661,000 144,421,000 126,037,000 123,835,000 117,364,000 111,246,000 97,502,000 92,794,000 94,023,000 83,495,000 77,621,000 76,793,000 71,602,000 69,308,000 68,299,000 66,556,000 66,742,000 62,402,000 62,016,000 61,324,000 60,185,000 58,114,000 58,958,000 57,565,000 56,419,000 54,605,000 54,704,000 53,775,000 51,518,000 50,220,000 50,012,000 48,658,000 46,827,000 43,992,000 45,717,000 43,365,000 39,872,000 37,881,000 36,938,000 35,856,000 34,695,000 34,166,000 33,658,000 32,792,000 32,944,000 33,642,000 35,393,000 36,376,000 36,121,000 34,849,000 34,928,000 33,492,000 32,942,000  32,014,000 31,438,000 29,019,000 25,393,000 25,059,000 23,572,000  21,762,000 20,693,000        
        other long-term liabilities
      86,281,000 82,266,000 76,156,000 62,978,000 66,026,000 64,169,000 63,092,000 55,854,000 51,673,000 49,408,000 42,832,000 41,997,000 37,858,000 33,273,000 28,957,000 27,821,000 28,272,000 27,135,000 48,821,000 46,564,000 41,620,000 39,686,000 46,140,000 25,877,000 5,955,000 5,278,000 3,968,000 2,977,000 1,662,000                                              
        long-term debt—less current maturities
      136,491,000 137,529,000 138,557,000 139,576,000 140,585,000 141,585,000 142,577,000 143,559,000 144,533,000 145,497,000 146,453,000 147,401,000 148,339,000 149,269,000 150,191,000 151,105,000 152,010,000 152,883,000 140,680,000 111,287,000 111,859,000 112,544,000 113,222,000 143,893,000 344,558,000 325,217,000 265,692,000 268,179,000 240,660,000 233,135,000 245,604,000 268,066,000 280,449,000 302,990,000 287,456,000 284,465,000 258,478,000 275,486,000 162,474,000 183,722,000 145,642,000 99,051,000 69,209,000 49,019,000 3,251,000 68,279,000 3,307,000  250,019,000 251,895,000 205,046,000 206,874,000 198,687,000 200,505,000 192,299,000 194,069,000 195,826,000  168,130,000 137,124,000 138,656,000 105,847,000 106,363,000 106,868,000  58,632,000 58,953,000 59,181,000  59,735,000 60,032,000 60,290,000  60,825,000 
        total liabilities
      3,242,064,000 3,228,146,000 3,103,535,000 2,909,308,000 2,829,689,000 2,828,928,000 2,878,212,000 2,774,267,000 2,724,943,000 2,680,224,000 2,616,539,000 2,558,963,000 2,542,484,000 2,203,222,000 2,083,526,000 2,003,978,000 1,972,546,000 1,828,909,000 1,834,085,000 1,719,910,000 1,636,920,000 1,727,351,000 1,699,446,000 1,770,381,000 1,711,191,000 1,705,765,000 1,657,743,000 1,644,214,000 1,573,356,000 579,618,000 571,199,000 575,568,000 566,766,000 602,374,000 583,685,000 561,223,000 526,159,000 540,530,000 415,795,000 415,982,000 363,485,000 320,774,000 271,306,000 232,026,000 191,598,000 236,113,000 158,561,000 145,520,000 399,670,000 403,058,000 396,470,000 393,341,000 394,584,000  337,373,000 330,472,000 321,178,000                  
        commitments and contingencies
                                                                                
        equity
                                                                                
        ensign group, inc. stockholders' equity:
                                                                                
        common stock: 0.001 par value...
      62,000 62,000 61,000 61,000 61,000 61,000 61,000 61,000 60,000 60,000 60,000 60,000 60,000 59,000 58,000 58,000 58,000 58,000 58,000 58,000 58,000 58,000 57,000 57,000 57,000 56,000                                                 
        additional paid-in capital
      653,401,000 614,724,000 593,781,000 572,200,000 551,867,000 528,052,000 514,336,000 499,411,000 486,336,000 465,707,000 451,883,000 440,532,000 429,783,000 415,560,000 405,555,000 398,793,000 383,181,000 369,760,000 363,779,000 357,451,000 349,836,000 338,177,000 328,347,000 319,770,000 315,786,000 307,914,000 303,680,000 298,891,000 292,612,000 284,384,000 278,802,000 274,982,000 270,948,000 266,058,000 262,403,000 258,632,000 255,302,000 252,493,000 248,785,000 244,755,000 241,022,000 235,076,000 231,974,000 228,912,000 225,009,000 114,293,000 110,090,000 107,876,000 104,229,000 101,364,000 98,077,000 95,703,000 93,730,000 90,949,000 84,881,000 82,484,000 80,552,000 77,257,000 75,695,000 73,973,000 72,861,000 69,709,000 68,699,000 68,002,000 66,765,000 66,171,000 65,262,000 64,752,000 64,110,000 63,681,000 63,099,000 62,766,000 62,142,000 2,488,000 
        retained earnings
      1,852,008,000 1,756,137,000 1,664,458,000 1,584,233,000 1,503,442,000 1,426,762,000 1,350,664,000 1,275,657,000 1,208,074,000 1,142,653,000 1,124,358,000 1,063,738,000 1,002,976,000 946,339,000 889,069,000 835,941,000 781,290,000 733,992,000 688,287,000 643,906,000 597,375,000 551,055,000 507,554,000 467,219,000 429,689,000 391,523,000 426,414,000 401,996,000 378,443,000 344,901,000 321,448,000 303,157,000 285,398,000 264,691,000 255,903,000 244,049,000 235,689,000 235,021,000 218,887,000 209,778,000 200,566,000 193,420,000 181,890,000 170,355,000 159,095,000 145,846,000 136,043,000 128,721,000 269,459,000 257,502,000 245,710,000 236,689,000 225,760,000 239,344,000 238,831,000 226,843,000 215,685,000 204,073,000 195,001,000 184,572,000 172,757,000 150,647,000 141,802,000 133,222,000 124,910,000 117,249,000 110,491,000 103,234,000 96,237,000 89,304,000 83,328,000 77,632,000 72,119,000 66,708,000 
        treasury stock
      -139,221,000                                                                          
        total ensign group, inc. stockholders' equity
      2,366,250,000 2,231,725,000 2,119,465,000 2,017,659,000 1,926,817,000 1,837,111,000 1,747,297,000 1,657,365,000 1,577,901,000 1,491,865,000 1,459,746,000 1,387,775,000 1,318,173,000 1,247,332,000 1,180,056,000 1,120,166,000 1,071,590,000 1,020,768,000 979,200,000 928,593,000 876,047,000 818,077,000 764,755,000 715,997,000 675,236,000 654,197,000 686,259,000 662,052,000 632,705,000 590,935,000 561,899,000 539,788,000 517,995,000 492,397,000 479,954,000 464,329,000 453,859,000 456,449,000 436,607,000 423,454,000 410,417,000 427,324,000 412,596,000 397,999,000 382,826,000 258,851,000 244,651,000 235,111,000 371,132,000 356,096,000 340,536,000 329,165,000 315,867,000 326,471,000 319,486,000 305,102,000 292,507,000                  
        non-controlling interest
      3,447,000 3,099,000 3,437,000 3,324,000 3,340,000 3,317,000 3,650,000 5,706,000 5,566,000 5,452,000 5,696,000 5,618,000 1,581,000 1,468,000 1,692,000 527,000 423,000 946,000 94,000 50,000 -467,000 150,000 789,000 1,779,000 1,579,000 1,947,000 15,547,000 15,255,000 12,298,000 11,405,000 10,477,000 10,491,000 7,948,000 7,662,000 7,209,000 6,632,000 4,451,000 4,046,000 1,013,000 639,000 -221,000 -339,000 -1,399,000 -1,086,000 -1,130,000 -1,048,000 -333,000 201,000 676,000 1,161,000 1,234,000 1,086,000 1,049,000  -422,000 -159,000 -58,000                  
        total equity
      2,369,697,000 2,234,824,000 2,122,902,000 2,020,983,000 1,930,157,000 1,840,428,000 1,750,947,000 1,663,071,000 1,583,467,000 1,497,317,000 1,465,442,000 1,393,393,000 1,319,754,000 1,248,800,000 1,181,748,000 1,120,693,000 1,072,013,000 1,021,714,000 979,294,000 928,643,000 875,580,000 818,227,000 765,544,000 717,776,000 676,815,000 656,144,000 701,806,000 677,307,000 645,003,000 602,340,000 572,376,000 550,279,000 525,943,000 500,059,000 487,163,000 470,961,000 458,310,000 460,495,000 437,620,000 424,093,000 410,196,000 426,985,000 411,197,000 396,913,000 381,696,000 257,803,000 244,318,000 235,312,000 371,808,000 357,257,000 341,770,000 330,251,000 316,916,000 327,884,000 319,064,000 304,943,000 292,449,000                  
        total liabilities and equity
      5,611,761,000 5,462,970,000 5,226,437,000 4,930,291,000 4,759,846,000 4,669,356,000 4,629,159,000 4,437,338,000 4,308,410,000 4,177,541,000 4,081,981,000 3,952,356,000 3,862,238,000 3,452,022,000 3,265,274,000 3,124,671,000 3,044,559,000 2,850,623,000 2,813,379,000 2,648,553,000 2,512,500,000 2,545,578,000 2,464,990,000 2,488,157,000 2,388,006,000 2,361,909,000 2,359,549,000 2,321,521,000 2,218,359,000 1,181,958,000 1,143,575,000 1,125,847,000 1,092,709,000 1,102,433,000 1,070,848,000 1,032,184,000 984,469,000 1,001,025,000 853,415,000 840,075,000 773,681,000 747,759,000 682,503,000 628,939,000 573,294,000 493,916,000 402,879,000 380,832,000 771,478,000 760,315,000 738,240,000 723,592,000 711,500,000 690,862,000 667,948,000 646,921,000 625,208,000                  
        accounts receivable—less allowance for doubtful accounts of 7,805 and 8,435 at december 31, 2025 and 2024, respectively
       636,985,000                                                                         
        common stock in treasury, at cost, 3,567 and 3,400 shares at december 31, 2025 and 2024, respectively
       -139,198,000                                                                         
        accounts receivable—less allowance for doubtful accounts of 7,948 and 8,435 at september 30, 2025 and december 31, 2024, respectively
        612,744,000                                                                        
        common stock in treasury, at cost, 3,564 and 3,400 shares at september 30, 2025 and december 31, 2024, respectively
        -138,835,000                                                                        
        accounts receivable—less allowance for doubtful accounts of 8,320 and 8,435 at june 30, 2025 and december 31, 2024, respectively
         578,050,000                                                                       
        common stock in treasury, at cost, 3,564 and 3,400 shares at june 30, 2025 and december 31, 2024, respectively
         -138,835,000                                                                       
        accounts receivable—less allowance for doubtful accounts of 8,400 and 8,435 at march 31, 2025 and december 31, 2024, respectively
          584,048,000                                                                      
        common stock in treasury, at cost, 3,484 and 3,400 shares at march 31, 2025 and december 31, 2024, respectively
          -128,553,000                                                                      
        accounts receivable—less allowance for doubtful accounts of 8,435 and 9,348 at december 31, 2024 and 2023, respectively
           569,897,000                                                                     
        common stock in treasury, at cost, 3,400 and 3,390 shares at december 31, 2024 and 2023, respectively
           -117,764,000                                                                     
        accounts receivable—less allowance for doubtful accounts of 9,822 and 9,348 at september 30, 2024 and december 31, 2023, respectively
            554,091,000                                                                    
        prepaid income taxes
            25,960,000 18,798,000      4,643,000 15,298,000 16,336,000  5,452,000 4,136,000 8,814,000  1,224,000 13,550,000   739,000 2,536,000 5,934,000 148,000 6,219,000 6,509,000 8,590,000 12,794,000 19,447,000 14,122,000 10,343,000 50,000 302,000 1,325,000 7,873,000 3,254,000 8,141,000 6,792,000 4,719,000  2,992,000 5,078,000 10,217,000 2,665,000 9,915,000 11,435,000 10,729,000 8,400,000 3,787,000 3,232,000 2,616,000 246,000 5,882,000 3,857,000 1,427,000  397,000 1,245,000  1,242,000     2,177,000 1,399,000 1,495,000 5,835,000  
        common stock in treasury, at cost, 3,400 and 3,390 shares at september 30, 2024 and december 31, 2023, respectively
            -117,764,000                                                                    
        accounts receivable—less allowance for doubtful accounts of 9,460 and 9,348 at june 30, 2024 and december 31, 2023, respectively
             547,121,000                                                                   
        common stock in treasury, at cost, 3,400 and 3,390 shares at june 30, 2024 and december 31, 2023, respectively
             -117,764,000                                                                   
        accounts receivable—less allowance for doubtful accounts of 9,463 and 9,348 at march 31, 2024 and december 31, 2023, respectively
              519,439,000                                                                  
        common stock in treasury, at cost, 3,390 shares at both march 31, 2024 and december 31, 2023
              -116,569,000                                                                  
        accounts receivable—less allowance for doubtful accounts of 9,348 and 7,802 at december 31, 2023 and 2022, respectively
               485,039,000                                                                 
        common stock in treasury, at cost, 3,390 and 3,368 shares at december 31, 2023 and 2022, respectively
               -116,555,000                                                                 
        accounts receivable—less allowance for doubtful accounts of 9,422 and 7,802 at september 30, 2023 and december 31, 2022, respectively
                472,123,000                                                                
        common stock in treasury, at cost, 3,390 and 3,368 shares at september 30, 2023 and december 31, 2022, respectively
                -116,555,000                                                                
        accounts receivable—less allowance for doubtful accounts of 9,281 and 7,802 at june 30, 2023 and december 31, 2022, respectively
                 446,025,000                                                               
        common stock in treasury, at cost, 3,390 and 3,368 shares at june 30, 2023 and december 31, 2022, respectively
                 -116,555,000                                                               
        accounts receivable—less allowance for doubtful accounts of 9,580 and 7,802 at march 31, 2023 and december 31, 2022, respectively
                  444,181,000                                                              
        other indefinite-lived intangibles
                  3,972,000 3,972,000 3,972,000 3,807,000 3,727,000 3,727,000 3,621,000 3,621,000 3,546,000 3,716,000 3,299,000 3,068,000 3,068,000 3,068,000 36,098,000 30,922,000 28,118,000 27,602,000 26,201,000 25,249,000 25,249,000 25,249,000 24,653,000 24,444,000 20,990,000 19,586,000 19,086,000 19,246,000 18,896,000 18,646,000 17,716,000 16,226,000 14,551,000 12,361,000 10,509,000 8,340,000 7,740,000 7,740,000 7,740,000 7,740,000 7,740,000 10,888,000 10,598,000 10,598,000 9,911,000 1,481,000 1,481,000 1,241,000 672,000 672,000 672,000            
        common stock in treasury, at cost, 3,369 and 3,368 shares at march 31, 2023 and december 31, 2022, respectively
                  -114,646,000                                                              
        accounts receivable—less allowance for doubtful accounts of 7,802 and 11,213 at december 31, 2022 and 2021, respectively
                   408,432,000                                                             
        common stock in treasury, at cost, 3,368 and 2,944 shares at december 31, 2022 and 2021, respectively
                   -114,626,000                                                             
        accounts receivable—less allowance for doubtful accounts of 7,865 and 11,213 at september 30, 2022 and december 31, 2021, respectively
                    353,956,000                                                            
        escrow deposits
                    8,287,000 15,571,000 400,000   100,000 350,000 100,000 35,000 364,000  14,050,000 50,000  300,000 7,271,000 660,000 2,652,000 10,025,000 228,000 849,000 23,925,000 2,394,000 1,582,000 1,298,000 6,704,000 1,646,000 400,000 2,310,000 3,344,000 2,485,000 16,153,000 600,000 1,880,000 3,252,000 1,000,000 250,000 4,506,000 7,843,000 4,635,000  210,000 2,940,000 175,000 9,718,000 1,450,000  250,000  500,000 7,595,000 17,014,000   10,090,000      
        common stock in treasury, at cost, 3,368 and 2,944 shares at september 30, 2022 and december 31, 2021, respectively
                    -114,626,000                                                            
        accounts receivable—less allowance for doubtful accounts of 7,827 and 11,213 at june 30, 2022 and december 31, 2021, respectively
                     339,001,000                                                           
        common stock in treasury, at cost, 3,368 and 2,944 shares at june 30, 2022 and december 31, 2021, respectively
                     -114,626,000                                                           
        accounts receivable—less allowance for doubtful accounts of 13,212 and 11,213 at march 31, 2022 and december 31, 2021, respectively
                      339,886,000                                                          
        common stock in treasury, at cost, 3,077 and 2,944 shares at march 31, 2022 and december 31, 2021, respectively
                      -92,939,000                                                          
        accounts receivable—less allowance for doubtful accounts of 11,213 and 8,718 at december 31, 2021 and 2020, respectively
                       328,731,000                                                         
        advance payment liabilities
                           102,023,000                                                     
        common stock in treasury, at cost, 2,944 and 2,791 shares at december 31, 2021 and 2020, respectively
                       -83,042,000                                                         
        accounts receivable—less allowance for doubtful accounts of 11,267 and 8,718 at september 30, 2021 and december 31, 2020, respectively
                        313,858,000                                                        
        common stock in treasury, at cost, 2,812 and 2,791 shares at september 30, 2021 and december 31, 2020, respectively
                        -72,924,000                                                        
        accounts receivable—less allowance for doubtful accounts of 10,602 and 8,718 at june 30, 2021 and december 31, 2020, respectively
                         313,663,000                                                       
        common stock in treasury, at cost, 2,811 and 2,791 shares at june 30, 2021 and december 31, 2020, respectively
                         -72,822,000                                                       
        accounts receivable—less allowance for doubtful accounts of 11,090 and 8,718 at march 31, 2021 and december 31, 2020, respectively
                          312,578,000                                                      
        common stock in treasury, at cost, 2,791 shares at both periods ended march 31, 2021 and december 31, 2020
                          -71,222,000                                                      
        accounts receivable—less allowance for doubtful accounts of 8,718 and 2,472 at december 31, 2020 and 2019, respectively
                           305,062,000                                                     
        common stock in treasury, at cost, 2,791 and 2,079 shares at december 31, 2020 and 2019, respectively
                           -71,213,000                                                     
        accounts receivable—less allowance for doubtful accounts of 6,053 and 2,472 at september 30, 2020 and december 31, 2019, respectively
                            294,151,000                                                    
        cares act provider relief fund and advance payment liabilities
                            123,988,000                                                    
        common stock in treasury, at cost, 2,791 and 2,079 shares at september 30, 2020 and december 31, 2019, respectively
                            -71,203,000                                                    
        accounts receivable—less allowance for doubtful accounts of 3,685 and 2,472 at june 30, 2020 and december 31, 2019, respectively
                             302,061,000                                                   
        cares act provider relief fund and advance payments liabilities
                             207,642,000                                                   
        common stock in treasury, at cost, 2,788 and 2,079 shares at june 30, 2020 and december 31, 2019, respectively
                             -71,049,000                                                   
        accounts receivable—less allowance for doubtful accounts of 3,421 and 2,472 at march 31, 2020 and december 31, 2019, respectively
                              329,518,000                                                  
        common stock in treasury, at cost, 2,771 and 2,079 shares at march 31, 2020 and december 31, 2019, respectively
                              -70,296,000                                                  
        accounts receivable—less allowance for doubtful accounts of 2,472 and 2,270 at december 31, 2019 and 2018, respectively
                               308,985,000                                                 
        assets held for sale - current
                                   1,859,000                                             
        current assets of discontinued operations
                                                                                
        long-term assets of discontinued operations
                                                                                
        current liabilities of discontinued operations
                                                                                
        deferred gain related to sale-leaseback
                                   11,417,000 11,581,000 11,746,000 11,910,000 12,075,000 12,239,000 12,403,000                                       
        long-term liabilities of discontinued operations
                                                                                
        equity:
                                                                                
        common stock in treasury, at cost, 2,079 and 1,932 shares at december 31, 2019 and 2018, respectively
                               -45,296,000                                                 
        accounts receivable—less allowance for doubtful accounts of 3,707 and 2,886 at september 30, 2019 and december 31, 2018, respectively
                                308,093,000                                                
        common stock; 0.001 par value...
                                55,000 55,000 55,000 55,000 54,000 54,000 54,000 53,000 53,000 53,000 53,000 52,000 52,000 52,000 52,000 51,000 26,000 26,000 26,000 22,000 23,000 23,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 14,000 
        common stock in treasury, at cost, 2,046 and 1,932 shares at september 30, 2019 and december 31, 2018, respectively
                                -43,890,000                                                
        accounts receivable—less allowance for doubtful accounts of 3,726 and 2,886 at june 30, 2019 and december 31, 2018, respectively
                                 296,935,000                                               
        common stock in treasury, at cost, 1,941 and 1,932 shares at june 30, 2019 and december 31, 2018, respectively
                                 -38,890,000                                               
        accounts receivable—less allowance for doubtful accounts of 3,380 and 2,886 at march 31, 2019 and december 31, 2018, respectively
                                  291,701,000                                              
        common stock in treasury, at cost, 1,932 shares at march 31, 2019 and december 31, 2018, respectively
                                  -38,405,000                                              
        accounts receivable—less allowance for doubtful accounts of 2,886 and 43,961 at december 31, 2018 and 2017, respectively
                                   276,099,000                                             
        deferred rent and other long-term liabilities
                                   11,234,000 11,450,000 11,645,000 11,608,000 11,268,000 11,490,000 11,119,000 10,980,000 9,124,000 8,545,000 9,975,000 9,860,000 3,976,000 3,811,000 3,357,000 3,260,000 3,235,000 3,151,000 3,162,000 3,222,000 3,237,000 3,155,000 3,142,000 3,213,000 3,411,000 3,306,000 3,312,000 3,206,000 2,864,000 2,253,000 2,643,000 2,663,000 2,951,000 2,897,000 3,415,000 2,524,000 4,913,000 4,674,000 4,791,000 4,890,000 1,887,000 2,238,000 2,462,000 2,505,000 2,675,000 
        common stock in treasury, at cost, 1,932 shares at december 31, 2018 and 2017, respectively
                                   -38,405,000                                             
        accounts receivable—less allowance for doubtful accounts of 2,484 and 43,961 at september 30, 2018 and december 31, 2017, respectively
                                    261,454,000                                            
        common stock in treasury, at cost, 1,932 shares at september 30, 2018 and december 31, 2017, respectively
                                    -38,405,000                                            
        accounts receivable—less allowance for doubtful accounts of 1,643 and 43,961 at june 30, 2018 and december 31, 2017, respectively
                                     251,042,000                                           
        common stock in treasury, at cost, 1,932 shares at june 30, 2018 and december 31, 2017, respectively
                                     -38,405,000                                           
        accounts receivable—less allowance for doubtful accounts of 1,762 and 43,961 at march 31, 2018 and december 31, 2017, respectively
                                      258,509,000                                          
        common stock in treasury, at cost, 1,932 shares at march 31, 2018 and december 31, 2017, respectively
                                      -38,405,000                                          
        accounts receivable—less allowance for doubtful accounts of 43,961 and 39,791 at december 31, 2017 and 2016, respectively
                                       265,068,000                                         
        common stock in treasury, at cost, 1,932 and 1,520 shares at december 31, 2017 and 2016, respectively
                                       -38,405,000                                         
        accounts receivable—less allowance for doubtful accounts of 43,328 and 39,791 at september 30, 2017 and december 31, 2016, respectively
                                        255,119,000                                        
        deferred tax asset
                                        22,499,000 23,013,000 23,013,000 23,073,000 21,427,000 20,823,000 20,823,000 5,449,000 10,597,000 11,500,000 11,500,000 11,509,000 11,493,000 10,930,000 4,380,000 4,464,000 3,576,000 3,490,000 3,753,000 2,234,000 4,787,000 4,913,000 4,380,000 3,514,000 5,681,000 6,669,000 5,973,000 6,392,000 6,659,000 5,488,000 4,262,000 4,546,000 3,229,000 2,793,000 2,565,000 4,119,000 5,309,000 5,396,000 4,865,000 7,386,000 
        accrued charge related to class action lawsuit
                                        11,000,000 11,000,000 11,000,000                                      
        common stock in treasury, at cost, 1,932 and 1,520 shares at september 30, 2017 and december 31, 2016, respectively
                                        -38,405,000                                        
        accounts receivable—less allowance for doubtful accounts of 39,759 and 39,791 at june 30, 2017 and december 31, 2016, respectively
                                         243,248,000                                       
        common stock in treasury, at cost, 1,932 and 1,520 shares at june 30, 2017 and december 31, 2016, respectively
                                         -38,405,000                                       
        accounts receivable—less allowance for doubtful accounts of 40,422 and 39,791 at march 31, 2017 and december 31, 2016, respectively
                                          242,863,000                                      
        common stock in treasury, at cost, 1,863 and 1,520 shares at march 31, 2017 and december 31, 2016, respectively
                                          -37,185,000                                      
        accounts receivable—less allowance for doubtful accounts of 39,791 and 30,308 at december 31, 2016 and december 31, 2015, respectively
                                           244,433,000                                     
        common stock in treasury, at cost, 1,520 and 123 shares at december 31, 2016 and december 31, 2015, respectively
                                           -31,117,000                                     
        accounts receivable—less allowance for doubtful accounts of 36,960 and 30,308 at september 30, 2016 and december 31, 2015, respectively
                                            232,465,000                                    
        assets held for sale—current
                                            8,466,000              422,000                      
        liabilities held for sale—current
                                            1,709,000              875,000                      
        common stock in treasury, at cost, 1,520 and 123 shares at september 30, 2016 and december 31, 2015, respectively
                                            -31,117,000                                    
        accounts receivable—less allowance for doubtful accounts of 33,654 and 30,308 at june 30, 2016 and december 31, 2015, respectively
                                             226,623,000                                   
        common stock in treasury, at cost, 1,527 and 123 shares at june 30, 2016 and december 31, 2015, respectively
                                             -31,131,000                                   
        accounts receivable—less allowance for doubtful accounts of 32,098 and 30,308 at march 31, 2016 and december 31, 2015, respectively
                                              217,171,000                                  
        common stock in treasury, at cost, 1,575 and 123 shares at march 31, 2016 and december 31, 2015, respectively
                                              -31,223,000                                  
        restricted cash—current
                                                 1,481,000 3,388,000 5,082,000 6,652,000 6,400,000                           
        accounts receivable—less allowance for doubtful accounts of 30,308 and 20,438 at december 31, 2015 and 2014, respectively
                                               209,026,000                                 
        deferred tax asset—current
                                               15,403,000 10,736,000 10,602,000 10,602,000 10,615,000 8,033,000 8,633,000 9,221,000 9,232,000 13,966,000 13,351,000 13,370,000 14,871,000 10,178,000 10,620,000 8,676,000  11,942,000 10,147,000 8,696,000 10,707,000 8,868,000 7,615,000  8,401,000 9,690,000 8,040,000  6,663,000 6,858,000 6,558,000  8,669,000 
        common stock in treasury, at cost, 123 and 150 shares at december 31, 2015 and 2014, respectively
                                               -1,223,000                                 
        accounts receivable—less allowance for doubtful accounts of 27,595 and 20,438 at september 30, 2015 and december 31, 2014, respectively
                                                192,016,000                                
        common stock in treasury, at cost, 146 and 150 shares at september 30, 2015 and december 31, 2014, respectively
                                                -1,294,000                                
        accounts receivable—less allowance for doubtful accounts of 23,913 and 20,438 at june 30, 2015 and december 31, 2014, respectively
                                                 171,362,000                               
        common stock in treasury, at cost, 146 and 150 shares at june 30, 2015 and december 31, 2014, respectively
                                                 -1,294,000                               
        accounts receivable—less allowance for doubtful accounts of 23,005 and 20,438 at march 31, 2015 and december 31, 2014, respectively
                                                  162,267,000                              
        income tax payable
                                                  5,914,000                              
        common stock in treasury, at cost, 149 and 150 shares at march 31, 2015 and december 31, 2014, respectively
                                                  -1,304,000                              
        accounts receivable—less allowance for doubtful accounts of 20,438 and 16,540 at december 31, 2014 and 2013, respectively
                                                   130,051,000                             
        fair value of interest rate swap
                                                      1,631,000 1,828,000 2,003,000 1,948,000 2,597,000 2,866,000 3,116,000 2,723,000 2,150,000 2,143,000 2,090,000                
        common stock in treasury, at cost, 150 and 237 shares at december 31, 2014 and 2013, respectively
                                                   -1,310,000                             
        accumulated other comprehensive loss
                                                      -993,000 -1,112,000 -1,214,000 -1,186,000 -1,580,000 -1,745,000 -1,901,000 -1,662,000 -1,313,000 -1,308,000 -1,274,000                
        accounts receivable—less allowance for doubtful accounts of 19,452 and 16,540 at september 30, 2014 and december 31, 2013, respectively
                                                    120,647,000                            
        common stock in treasury, at cost, 202 and 237 shares at september 30, 2014 and december 31, 2013, respectively
                                                    -1,505,000                            
        accounts receivable—less allowance for doubtful accounts of 17,909 and 16,540 at june 30, 2014 and december 31, 2013, respectively
                                                     124,441,000                           
        restricted cash—less current portion
                                                     1,819,000                           
        common stock in treasury, at cost, 203 and 237 shares at june 30, 2014 and december 31, 2013, respectively
                                                     -1,509,000                           
        accounts receivable—less allowance for doubtful accounts of 17,422 and 16,540 at march 31, 2014 and december 31, 2013, respectively
                                                      120,569,000                          
        common stock in treasury, at cost, 224 and 237 shares at march 31, 2014 and december 31, 2013, respectively
                                                      -1,585,000                          
        accounts receivable—less allowance for doubtful accounts of 16,540 and 13,811 at december 31, 2013 and 2012, respectively
                                                       111,370,000                         
        long-term assets held for sale
                                                          8,471,000                      
        accrued charge related to u.s. government inquiry
                                                        48,000,000 48,000,000 48,000,000 15,000,000                     
        long-term liabilities held for sale
                                                                                
        common stock in treasury, at cost, 237 and 301 shares at december 31, 2013 and 2012, respectively
                                                       -1,680,000                         
        accounts receivable—less allowance for doubtful accounts of 15,568 and 13,811 at september 30, 2013 and december 31, 2012, respectively
                                                        102,428,000                        
        common stock in treasury, at cost, 295 and 301 shares at september 30, 2013 and december 31, 2012, respectively
                                                        -2,059,000                        
        accounts receivable—less allowance for doubtful accounts of 14,014 and 13,811 at june 30, 2013 and december 31, 2012, respectively
                                                         107,436,000                       
        common stock in treasury, at cost, 296 and 301 shares at june 30, 2013 and december 31, 2012, respectively
                                                         -2,063,000                       
        accounts receivable—less allowance for doubtful accounts of 14,285 and 13,811 at march 31, 2013 and december 31, 2012, respectively
                                                          98,285,000                      
        long-term liabilties held for sale
                                                                                
        common stock in treasury, at cost, 296 and 301 shares at march 31, 2013 and december 31, 2012, respectively
                                                          -2,065,000                      
        accounts receivable—less allowance for doubtful accounts of 13,811 and 12,782 at december 31, 2012 and 2011, respectively
                                                           94,187,000                     
        common stock in treasury, at cost, 301 and 396 shares at december 31, 2012 and 2011, respectively
                                                           -2,099,000                     
        non-controlling interests
                                                           1,413,000                     
        accounts receivable—less allowance for doubtful accounts of 13,628 and 12,782 at september 30, 2012 and december 31, 2011, respectively
                                                            98,072,000                    
        temporary equity - redeemable noncontrolling interest
                                                            11,511,000 11,506,000 11,581,000                  
        common stock in treasury, at cost, 344 and 396 shares at september 30, 2012 and december 31, 2011, respectively
                                                            -2,347,000                    
        accounts receivable—less allowance for doubtful accounts of 12,232 and 12,782 at june 30, 2012 and december 31, 2011, respectively
                                                             96,452,000                   
        common stock in treasury, at cost, 378 and 396 shares at june 30, 2012 and december 31, 2011, respectively
                                                             -2,585,000                   
        accounts receivable—less allowance for doubtful accounts of 12,794 and 12,782 at march 31, 2012 and december 31, 2011, respectively
                                                              94,050,000                  
        common stock in treasury, at cost, 376 and 396 shares at march 31, 2012 and december 31, 2011, respectively
                                                              -2,439,000                  
        accounts receivable - net of allowance for doubtful accounts of 12,782 and 9,793 at december 31, 2011 and 2010, respectively
                                                               86,311,000                 
        deferred tax asset - current
                                                               11,195,000                 
        liabilities and stockholders' equity
                                                                                
        accrued self-insurance liabilities - current
                                                               12,369,000                 
        long-term debt - less current maturities
                                                               181,556,000                 
        accrued self-insurance liabilities - less current portion
                                                               31,904,000                 
        stockholders' equity:
                                                                                
        common stock in treasury, at cost, 396 and 582 shares at december 31, 2011 and 2010, respectively
                                                               -2,559,000                 
        total stockholders' equity
                                                               277,485,000                 
        total liabilities and stockholders' equity
                                                               596,339,000                 
        accounts receivable—less allowance for doubtful accounts of 12,730 and 9,793 at september 30, 2011 and december 31, 2010, respectively
                                                                80,965,000                
        liabilities and stockholders’ equity
                                                                                
        stockholders’ equity:
                                                                                
        common stock in treasury, at cost, 490 and 582 shares at september 30, 2011 and december 31, 2010, respectively
                                                                -3,177,000                
        total stockholders’ equity
                                                                266,267,000 254,871,000 241,943,000 216,413,000 206,544,000 197,240,000 187,559,000 179,239,000 171,467,000 163,683,000 156,021,000 148,656,000 142,053,000 136,008,000 129,677,000 64,426,000 
        total liabilities and stockholders’ equity
                                                                566,781,000 508,276,000 501,003,000 425,139,000 410,735,000 402,908,000 391,348,000 321,850,000 314,682,000 308,330,000 296,901,000 282,611,000 276,039,000 270,447,000 267,389,000 203,404,000 
        accounts receivable—less allowance for doubtful accounts of 11,068 and 9,793 at june 30, 2011 and december 31, 2010, respectively
                                                                 77,696,000               
        common stock in treasury, at cost, 564 and 582 shares at june 30, 2011 and december 31, 2010, respectively
                                                                 -3,695,000               
        accounts receivable—less allowance for doubtful accounts of 10,856 and 9,793 at march 31, 2011 and december 31, 2010, respectively
                                                                  76,474,000              
        income taxes payable
                                                                  6,152,000   5,350,000           
        common stock in treasury, at cost, 564 and 582 shares at march 31, 2011 and december 31, 2010, respectively
                                                                  -3,696,000              
        accounts receivable—less allowance for doubtful accounts of 9,254 and 7,575 at september 30, 2010 and december 31, 2009, respectively
                                                                   72,083,000             
        common stock in treasury, at cost, 609 and 638 shares at september 30, 2010 and december 31, 2009, respectively
                                                                   -3,964,000             
        accounts receivable—less allowance for doubtful accounts of 8,095 and 7,575 at june 30, 2010 and december 31, 2009, respectively
                                                                    72,678,000            
        common stock in treasury, at cost, 612 and 638 shares at june 30, 2010 and december 31, 2009, respectively
                                                                    -3,978,000            
        accounts receivable—less allowance for doubtful accounts of 8,218 and 7,575 at march 31, 2010 and december 31, 2009, respectively
                                                                     69,372,000           
        common stock in treasury, at cost, 616 and 638 shares at march 31, 2010 and december 31, 2009, respectively
                                                                     -4,005,000           
        accounts receivable — less allowance for doubtful accounts of 7,575 and 7,266 at december 31, 2009 and 2008, respectively
                                                                      62,606,000          
        deferred tax asset — current
                                                                      8,126,000    9,242,000    6,862,000  
        accrued self-insurance liabilities — current
                                                                      10,074,000    7,454,000    7,424,000  
        long-term debt — less current maturities
                                                                      107,401,000    59,489,000    60,577,000  
        accrued self-insurance liabilities — long-term
                                                                      22,096,000          
        common stock in treasury, at cost, 638 and 672 shares at december 31, 2009 and 2008, respectively
                                                                      -4,137,000          
        accounts receivable—less allowance for doubtful accounts of 7,045 and 7,266 at september 30, 2009 and december 31, 2008, respectively
                                                                       51,920,000         
        common stock in treasury, at cost, 648 and 672 shares at september 30, 2009 and december 31, 2008, respectively
                                                                       -4,202,000         
        accounts receivable—less allowance for doubtful accounts of 6,948 and 7,266 at june 30, 2009 and december 31, 2008, respectively
                                                                        53,544,000        
        common stock in treasury, at cost, 665 and 672 shares at june 30, 2009 and december 31, 2008, respectively
                                                                        -4,307,000        
        accounts receivable—less allowance for doubtful accounts of 7,383 and 7,266 at march 31, 2009 and december 31, 2008, respectively
                                                                         55,012,000       
        other investments
                                                                         445,000       
        accrued self-insurance liability
                                                                         19,405,000  19,214,000 18,929,000 18,381,000 17,236,000 17,623,000 
        common stock in treasury, at cost, 668 and 672 shares at march 31, 2009 and december 31, 2008, respectively
                                                                         -4,324,000       
        accounts receivable — less allowance for doubtful accounts of 7,266 and 7,454 at december 31, 2008 and 2007, respectively
                                                                          49,188,000      
        insurance subsidiary deposits
                                                                          11,745,000 11,035,000 10,335,000 9,396,000 8,810,000 9,709,000 
        restricted assets
                                                                          3,768,000      
        accrued self-insurance liabilities
                                                                          18,864,000      
        common stock in treasury, at cost, 672 and 716 shares at december 31, 2008 and 2007, respectively
                                                                          -4,347,000      
        accounts receivable—less allowance for doubtful accounts of 8,325 and 7,454 at september 30, 2008 and december 31, 2007, respectively
                                                                           44,597,000     
        common stock in treasury, at cost, 672 and 716 shares at september 30, 2008 and december 31, 2007, respectively
                                                                           -4,350,000     
        accounts receivable—less allowance for doubtful accounts of 7,760 and 7,454 at june 30, 2008 and december 31, 2007, respectively
                                                                            44,955,000    
        common stock in treasury, at cost, 679 and 716 shares at june 30, 2008 and december 31, 2007, respectively
                                                                            -4,395,000    
        accounts receivable—less allowance for doubtful accounts of 7,856 and 7,454 at march 31, 2008 and december 31, 2007, respectively
                                                                             50,350,000   
        common stock in treasury, at cost, 682 and 716 shares at march 31, 2008 and december 31, 2007, respectively
                                                                             -4,411,000   
        accounts receivable — less allowance for doubtful accounts of 7,454 and 7,543 at december 31, 2007 and 2006, respectively
                                                                              50,615,000  
        series a redeemable convertible preferred stock; 0.001 par value...
                                                                               2,725,000 
        common stock in treasury, at cost, 716 and 755 shares at december 31, 2007 and 2006, respectively
                                                                              -4,605,000  
        accounts receivable—less allowance for doubtful accounts of 7,582 and 7,543 at september 30, 2007 and december 31, 2006, respectively
                                                                               47,639,000 
        common stock in treasury, at cost, 745 and 755 shares at september 30, 2007 and december 31, 2006, respectively
                                                                                
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 
                                                                                 
          cash flows from operating activities:
                                                                                 
          net income
        99,756,000 95,534,000 83,911,000 84,466,000 80,353,000 79,750,000 78,567,000 71,181,000 68,960,000 21,823,000 63,968,000 64,090,000 59,969,000 60,519,000 56,242,000 57,803,000 50,088,000 48,961,000 48,344,000 50,583,000 49,837,000 46,162,000 43,312,000 40,689,000 41,201,000 27,326,000 27,828,000 28,925,000 27,607,000 26,559,000 20,350,000 22,326,000 23,293,000 11,222,000 14,274,000 12,381,000 2,956,000 21,006,000 11,184,000 11,363,000 9,290,000 14,437,000 13,157,000 13,235,000 15,088,000 10,796,000 8,371,000 1,533,000 13,041,000 13,349,000 10,612,000 12,404,000 -12,511,000 1,665,000 13,036,000 12,279,000 12,828,000 10,355,000 11,598,000 12,976,000 12,746,000 9,887,000 9,619,000 9,348,000 8,693,000 7,686,000 8,184,000 7,923,000 7,859,000 6,797,000 6,519,000 6,334,000 6,229,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                 
          depreciation and amortization
        28,801,000 27,721,000 26,633,000 25,785,000 24,188,000 22,519,000 21,474,000 20,488,000 19,657,000 19,233,000 18,446,000 17,596,000 17,112,000 16,880,000 15,941,000 14,858,000 14,676,000 14,602,000 13,929,000 13,795,000 13,659,000 13,489,000 13,757,000 13,605,000 13,720,000 10,953,000 14,319,000 13,184,000 12,598,000 12,199,000 11,902,000 11,621,000 11,622,000 11,760,000 11,448,000 10,750,000 10,514,000 9,701,000 10,912,000 9,771,000 8,298,000 7,926,000 7,289,000 6,379,000 6,517,000 5,087,000 4,677,000 7,804,000 8,862,000 8,713,000 8,797,000 8,668,000 7,764,000 7,319,000 7,179,000 7,042,000 6,924,000 6,502,000 6,179,000 5,546,000 5,059,000 4,260,000 4,023,000 3,955,000 3,863,000 3,239,000 3,209,000 2,965,000 2,517,000 2,353,000 2,178,000 1,993,000 1,965,000 
          amortization of deferred financing fees
        264,000 264,000 263,000 264,000 266,000 265,000 265,000 265,000 266,000 265,000 266,000 267,000 269,000 266,000 265,000 282,000 223,000 222,000 217,000 210,000 210,000 210,000 210,000 210,000 210,000 214,000 293,000 290,000 293,000 293,000 294,000 289,000 299,000 272,000 258,000 255,000 254,000 254,000 258,000 159,000 154,000                        112,000 108,000 5,000 53,000 44,000 23,000 21,000 7,000  
          stock-based compensation
        13,895,000 12,924,000 12,989,000 11,662,000 10,724,000 9,820,000 9,184,000 8,984,000 8,238,000 8,076,000 7,237,000 8,881,000 6,573,000 6,039,000 5,898,000 5,616,000 5,167,000 4,909,000 5,082,000 4,633,000 4,054,000 3,588,000 4,173,000 3,528,000 3,235,000                                831,000 742,000 937,000 846,000 831,000 875,000 617,000 649,000 555,000 783,000 475,000 517,000 353,000 577,000 290,000 462,000 261,000 
          insurance proceeds and loss on long-lived assets
        1,915,000                                                                         
          other operating activities
        613,000                                                                         
          change in operating assets and liabilities
                                                                                 
          accounts receivable
        -24,009,000 -26,077,000 -35,331,000 5,564,000 -14,589,000 -15,372,000 -6,212,000 -27,849,000 -34,964,000 -13,188,000 -27,197,000 -2,297,000 -37,136,000 -54,874,000 -14,700,000 1,265,000 -14,117,000 -14,165,000 -678,000 -479,000 -15,449,000 -9,270,000 6,076,000 27,210,000 -21,845,000 -26,251,000 -11,457,000 -6,375,000 -16,341,000 -16,578,000 -9,997,000 7,023,000 6,453,000 -19,203,000 -18,809,000 -7,389,000 -6,900,000 -20,410,000 -13,912,000 -15,385,000 -13,910,000 -24,635,000 -25,954,000 -12,835,000 -36,900,000 -13,312,000 1,157,000 -7,108,000 -12,604,000 -10,544,000 2,030,000 -11,705,000 -7,071,000 1,788,000 -3,875,000 -4,531,000 -9,532,000 -7,285,000 -5,210,000 -3,036,000 -9,264,000 -890,000 -4,704,000 -8,316,000 -12,292,000 704,000 651,000 -7,037,000 -4,754,000 -642,000 4,396,000 -786,000  
          prepaid income taxes
        1,878,000 30,686,000 -9,054,000 -23,510,000 13,057,000 12,903,000 -7,162,000 -18,798,000 3,830,000 -3,829,000 457,000 -457,000 4,643,000 10,655,000 1,038,000 -16,336,000 5,452,000 -1,316,000 4,678,000 -8,814,000 1,224,000 12,326,000 -13,550,000 739,000 1,419,000 3,952,000 -5,843,000 6,072,000 290,000 2,081,000 -6,797,000 6,654,000 -5,325,000 -3,779,000 -10,293,000 252,000 1,022,000 6,549,000 -4,619,000 4,887,000 -1,348,000 -2,073,000 -4,720,000 2,992,000 2,086,000 5,140,000 -7,579,000 7,250,000 1,519,000 -706,000 -2,329,000 -4,613,000 -555,000 -616,000 -2,370,000 5,636,000 -2,025,000 -2,430,000 -1,427,000 1,333,000   1,242,000     2,195,000 -781,000 100,000 4,428,000  
          prepaid expenses and other assets
        -986,000 -8,725,000 -7,247,000 8,891,000 -9,360,000 -2,387,000 -1,130,000 -4,150,000 -11,388,000 5,534,000 1,975,000 -3,960,000 3,444,000 -662,000 -4,483,000 -416,000 -3,580,000 1,163,000 3,415,000 -5,205,000 -4,271,000 -2,006,000 277,000 -2,444,000 -5,301,000 -10,944,000 365,000 -1,663,000 4,995,000 1,059,000 3,692,000 -5,616,000 2,162,000 -6,583,000 1,736,000 -1,743,000 -2,790,000 -1,512,000 -2,290,000 2,952,000 -615,000 -3,408,000 -3,023,000 -371,000 -3,538,000                             
          cash surrender value of life insurance policy premiums
        -7,490,000 -2,024,000 -4,037,000 -4,806,000 -7,489,000 7,000 -4,115,000 -1,047,000 -9,678,000 -4,349,000 409,000 -2,048,000 -10,084,000 -2,236,000 243,000 2,295,000 -7,916,000 -1,448,000 -644,000 -1,421,000 -7,440,000                                                     
          deferred compensation liability
        6,926,000 2,155,000 4,170,000 4,721,000 7,441,000 45,000 4,234,000 1,648,000 9,059,000 4,381,000 -507,000 2,344,000 9,826,000 2,266,000 -246,000 -2,184,000 7,801,000 1,471,000 677,000 1,471,000 7,459,000                                                     
          operating lease obligations
        -183,000 -124,000 -96,000 -3,067,000 -102,000 -44,000 -69,000 -206,000 606,000 -219,000 66,000 156,000 -6,567,000 130,000 762,000 -385,000 -162,000 -146,000 -5,537,000 2,000 -133,000 -182,000 -164,000 -197,000 -181,000 -4,131,000 -1,384,000                                               
          accounts payable
        18,705,000 -8,369,000 497,000 8,473,000 -3,521,000 8,072,000 322,000 4,817,000 -10,376,000 15,220,000 -316,000 -3,258,000 4,278,000 12,992,000 2,681,000 3,664,000 -1,467,000 785,000 -1,393,000 4,957,000 2,768,000 -570,000 7,877,000 2,577,000 -3,257,000 8,674,000 -4,573,000 -202,000 558,000 1,051,000 2,105,000 6,741,000 -6,815,000 830,000 6,878,000 -335,000 -4,044,000 -1,578,000 1,610,000 2,036,000 -1,491,000 1,242,000 1,192,000 -5,047,000 4,393,000 3,814,000 431,000 904,000 2,829,000 714,000 2,381,000 -471,000 -4,860,000 2,009,000 2,044,000 5,494,000 -6,395,000 -1,515,000 3,867,000 -887,000 1,236,000 1,457,000 1,188,000 -419,000 2,624,000 -1,465,000 -833,000 2,490,000 415,000 -323,000 391,000 -2,500,000  
          accrued wages and related liabilities
        -97,663,000 55,263,000 45,072,000 42,498,000 -60,021,000 -5,311,000 33,646,000 30,635,000 -38,978,000 23,267,000 25,691,000 27,657,000 -28,648,000 24,675,000 19,469,000 23,827,000 -28,989,000 33,589,000 23,175,000 25,499,000 -34,562,000 35,345,000 22,102,000 20,535,000 -13,443,000 31,101,000 16,640,000 12,849,000 -13,204,000 20,608,000 9,586,000 5,444,000 -6,490,000 14,539,000 3,268,000 -2,575,000 -9,410,000 1,871,000 22,000 4,452,000 -11,323,000 13,415,000 6,993,000 3,874,000 -2,104,000 10,373,000 1,750,000 3,870,000 651,000 4,465,000 1,117,000 569,000 -1,905,000 730,000 942,000 361,000 -8,393,000 2,939,000 3,960,000 1,868,000 -4,186,000 3,297,000 170,000 -1,388,000 4,922,000 203,000 -1,732,000 -26,000 3,492,000 825,000 1,046,000 -1,115,000  
          other accrued liabilities
        27,283,000 14,643,000 25,264,000 -6,461,000 8,278,000 -36,667,000 5,347,000 3,886,000 -3,236,000 12,441,000 11,965,000 235,000 -813,000 -2,153,000 12,634,000 -4,440,000 -3,031,000 4,204,000 -941,000 -229,000 -1,737,000 -1,797,000 16,158,000 7,215,000 -4,040,000 -1,519,000 14,438,000 1,779,000 -3,345,000 -3,495,000 6,561,000 3,178,000 -647,000 -2,891,000 7,118,000 612,000 938,000 854,000 10,974,000 2,233,000 -1,473,000 3,466,000 9,946,000 1,434,000 6,557,000 -2,243,000 5,347,000 4,665,000 -1,432,000 5,404,000 2,899,000 -4,313,000 2,655,000 55,000 4,598,000 1,838,000 -1,583,000 2,989,000 3,271,000 226,000 -119,000 -173,000 -3,790,000 2,149,000 4,479,000 -637,000 -736,000 1,333,000 57,000 407,000 -397,000 -350,000  
          accrued self-insurance liabilities
        30,449,000 12,344,000 353,000 13,854,000 8,710,000 26,633,000 -2,187,000 5,513,000 14,055,000 15,737,000 4,258,000 -537,000 9,369,000 5,817,000 -2,728,000 9,956,000 4,740,000 3,928,000 4,079,000 1,102,000 4,615,000 1,860,000 4,225,000 2,223,000 1,985,000 1,600,000 969,000 2,365,000 1,352,000 1,715,000 -1,324,000 4,288,000 1,061,000 639,000 1,697,000 2,191,000 1,568,000 -1,782,000 3,093,000 4,908,000 1,906,000 1,729,000 1,388,000 946,000 1,355,000                             
          net cash from operating activities
        100,154,000 183,320,000 153,000,000 155,730,000 72,220,000 100,456,000 134,481,000 76,937,000 35,312,000 85,269,000 123,315,000 119,738,000 48,344,000 50,176,000 92,524,000 83,939,000 45,874,000 71,195,000 96,092,000 74,103,000 34,294,000 91,190,000 108,023,000 147,015,000 27,123,000 54,630,000 65,315,000 47,436,000 24,842,000 53,025,000 56,037,000 60,845,000 40,395,000 9,703,000 38,329,000 5,334,000 19,586,000 2,704,000 34,356,000 24,133,000 12,695,000 20,069,000 6,492,000 948,000 5,860,000 18,193,000 29,611,000 15,644,000 21,432,000 -19,686,000 30,503,000 4,925,000 21,682,000 30,457,000 26,533,000 19,742,000 5,318,000 19,442,000 25,799,000 8,757,000 18,689,000 19,557,000 4,578,000 10,325,000 17,588,000 9,983,000 8,294,000 10,406,000 11,072,000 11,014,000 15,109,000 9,476,000 7,660,000 
          capital expenditures
        -35,473,000 -49,843,000 -51,193,000 -49,595,000 -42,926,000 -48,161,000 -45,444,000 -35,198,000 -29,437,000 -28,820,000 -25,746,000 -24,963,000 -26,651,000 -27,810,000 -22,653,000 -21,244,000 -15,838,000 -19,417,000 -16,338,000 -18,461,000 -15,334,000 -12,502,000 -10,754,000 -11,260,000 -15,810,000 -16,558,000 -19,221,000 -22,117,000 -13,645,000 -17,316,000 -13,337,000 -13,213,000 -11,082,000 -17,391,000 -16,762,000 -11,016,000 -11,997,000 -13,426,000 -15,830,000 -18,212,000 -18,231,000 -17,718,000 -13,526,000 -16,055,000 -12,719,000 -11,568,000 -9,548,000 -16,153,000 -16,424,000 -7,875,000 -8,479,000 -8,189,000 -5,216,000 -12,098,000 -10,373,000 -9,357,000 -7,025,000 -11,702,000 -10,387,000 -9,683,000 -9,001,000 -7,195,000 -7,338,000 -6,415,000 -5,466,000 -4,740,000 -6,747,000 -4,924,000 3,689,000 -4,358,000 -13,575,000 -5,578,000 
          free cash flows
        64,681,000 133,477,000 101,807,000 106,135,000 29,294,000 52,295,000 89,037,000 41,739,000 5,875,000 56,449,000 97,569,000 94,775,000 21,693,000 22,366,000 69,871,000 62,695,000 30,036,000 51,778,000 79,754,000 55,642,000 18,960,000 78,688,000 97,269,000 135,755,000 11,313,000 38,072,000 46,094,000 25,319,000 11,197,000 35,709,000 42,700,000 47,632,000 29,313,000 -7,688,000 21,567,000 -5,682,000 7,589,000 -10,722,000 18,526,000 5,921,000 -5,536,000 2,351,000 -7,034,000 -15,107,000 -6,859,000 6,625,000 20,063,000 -509,000 5,008,000 -27,561,000 22,024,000 -3,264,000 16,466,000 18,359,000 16,160,000 10,385,000 -1,707,000 7,740,000 15,412,000 -926,000 9,688,000 12,362,000 -2,760,000 3,910,000 12,122,000 5,243,000 1,547,000 5,482,000 14,761,000 6,656,000 1,534,000 3,898,000 7,660,000 
          cash flows from investing activities:
                                                                                 
          purchase of property and equipment
        -35,473,000 -49,843,000 -51,193,000 -49,595,000 -42,926,000 -48,161,000 -45,444,000 -35,198,000 -29,437,000 -28,820,000 -25,746,000 -24,963,000 -26,651,000 -27,810,000 -22,653,000 -21,244,000 -15,838,000 -19,417,000 -16,338,000 -18,461,000 -15,334,000 -12,502,000 -10,754,000 -11,260,000 -15,810,000 -16,558,000 -19,221,000 -22,117,000 -13,645,000 -17,316,000 -13,337,000 -13,213,000 -11,082,000 -17,391,000 -16,762,000 -11,016,000 -11,997,000 -13,426,000 -15,830,000 -18,212,000 -18,231,000 -17,718,000 -13,526,000 -16,055,000 -12,719,000 -11,568,000 -9,548,000 -16,153,000 -16,424,000 -7,875,000 -8,479,000 -8,189,000 -5,216,000 -12,098,000 -10,373,000 -9,357,000 -7,025,000 -11,702,000 -10,387,000 -9,683,000 -9,001,000 -7,195,000 -7,338,000 -6,415,000 -5,466,000 -4,740,000 -6,747,000 -4,924,000 3,689,000 -4,358,000 -13,575,000 -5,578,000  
          cash payments for acquisitions
        -28,737,000 -82,958,000 -35,691,000 -45,437,000 -159,172,000                                                                     
          cash proceeds from insurance recoveries and sale of assets
        83,000                                                                         
          purchases of investments
        -36,866,000 -18,932,000 -29,113,000 -36,694,000 -25,984,000 -52,887,000 -16,754,000 -22,693,000 -12,815,000 -9,065,000 -2,113,000 -8,658,000 -9,767,000 -6,478,000 -11,979,000 -1,178,000 -2,340,000 -5,870,000 -2,681,000 -16,837,000 -6,869,000 -7,060,000 -8,664,000 -4,976,000 -1,008,000                                                 
          maturities of investments
        29,717,000 17,392,000 29,029,000 35,387,000 17,862,000 3,844,000 3,286,000 8,983,000 10,284,000 6,749,000 4,241,000 7,071,000 791,000 2,451,000 7,125,000 2,227,000 2,553,000 3,564,000 3,518,000 16,969,000 3,430,000 10,853,000 8,174,000 4,056,000 1,396,000                                                 
          other investing activities
        89,000                                                                         
          net cash from investing activities
        -71,187,000 -123,940,000 -77,313,000 -68,120,000 -243,804,000 -166,587,000 -78,901,000 -109,909,000 -34,655,000 -44,944,000 -75,319,000 -26,464,000 -35,971,000 -42,411,000 -67,175,000 -28,356,000 -48,240,000 -116,038,000 -17,007,000 -28,650,000 -12,212,000 -10,181,000 -20,159,000 -12,784,000 -15,542,000 -97,627,000 -51,132,000 -72,863,000 -25,393,000 -55,942,000 -14,025,000 -55,781,000 -25,463,000 -23,527,000 -34,440,000 -27,229,000 -21,397,000 -98,212,000 -12,567,000 -79,753,000 -20,104,000 -47,962,000 -31,149,000 -52,972,000 -36,455,000 -73,444,000 -12,003,000 -59,319,000 -28,085,000 -8,189,000 -10,155,000 -27,746,000 -19,145,000 -22,417,000 -26,011,000 -17,509,000 -18,321,000 -29,182,000 -68,625,000 -19,026,000 -39,219,000 -7,605,000 -18,275,000 -6,878,000 -35,028,000 -21,369,000 -6,479,000 -17,593,000 -25,101,000 -4,455,000 -15,616,000 -5,758,000  
          cash flows from financing activities:
                                                                                 
          payments on debt
        -1,042,000 -1,036,000 -1,025,000 -1,016,000 -1,009,000 -1,000,000 -1,392,000 -983,000 -975,000 -1,116,000 -959,000 -951,000 -1,007,000 -1,198,000 -987,000 -942,000 -979,000 -910,000                                                        
          issuance of common stock upon exercise of options
        11,490,000 6,318,000 9,024,000 8,652,000 5,050,000 3,990,000 7,977,000 4,090,000 6,229,000 5,662,000 4,148,000 5,905,000 2,654,000 3,971,000 2,635,000 3,303,000 2,768,000 1,072,000 1,246,000 2,982,000 3,880,000 6,242,000 4,404,000 456,000 1,552,000 1,127,000 1,829,000 3,213,000 2,334,000  1,357,000 1,858,000 2,920,000 1,062,000 1,963,000 1,292,000 957,000 1,026,000 1,413,000 747,000 3,377,000 509,000 484,000 934,000 2,410,000 965,000 313,000 1,199,000 998,000 469,000 793,000 607,000 1,294,000 71,000 1,001,000 928,000 2,067,000 325,000 333,000 174,000 775,000 110,000 84,000 264,000 13,000 137,000 30,000 74,000 58,000 8,000 39,000 74,000 85,000 
          repurchase of shares of common stock to satisfy tax withholding obligations
        -23,000 -363,000 -1,057,000 -14,000 -1,195,000 -14,000 -1,909,000 -20,000 -1,687,000 -15,000 -102,000 -1,600,000 -9,000 -10,000 -154,000                                                 
          repurchase of shares of common stock
         -9,225,000 -10,775,000         -20,000,000 -9,882,000     -25,000,000         -1,220,000 -6,068,000 -30,000,000                                
          dividends paid
        -3,775,000 -3,619,000 -3,605,000 -3,597,000 -3,589,000 -3,437,000 -3,424,000 -3,414,000 -3,396,000 -3,243,000 -3,232,000 -3,214,000 -3,201,000 -3,050,000 -3,041,000 -3,042,000 -3,035,000 -2,901,000 -2,893,000 -2,886,000 -2,868,000 -2,724,000 -2,718,000 -2,683,000 -2,705,000 -2,564,000 -2,558,000 -2,543,000 -2,525,000 -2,377,000 -2,347,000 -2,367,000 -2,328,000 -2,189,000 -2,178,000 -2,171,000 -2,179,000 -2,042,000 -2,034,000 -2,025,000 -2,072,000 -1,935,000 -1,930,000 -1,921,000 -1,708,000 -1,544,000 -1,587,000 -1,602,000 -1,564,000 -1,444,000 -1,438,000   -2,731,000 -1,297,000 -1,293,000 -1,283,000 -1,169,000 -1,160,000 -1,158,000 -1,150,000 -1,039,000 -1,037,000 -1,032,000 -929,000 -926,000 -927,000 -925,000 -817,000 -822,000 -827,000 -819,000  
          other financing activities
                                                                                 
          net cash from financing activities
        6,650,000 833,000    -1,337,000 -850,000 -1,531,000 1,556,000 1,431,000 -100,000 -269,000 -1,674,000 -359,000 -2,065,000 -18,549,000 -11,289,000 2,424,000 27,124,000 -2,569,000 -103,117,000 -19,827,000 -114,222,000 4,290,000 -7,539,000 57,776,000 -8,829,000 26,645,000 7,292,000 -11,657,000 -23,539,000 -12,937,000 -22,212,000 16,106,000 2,690,000 23,864,000 -24,388,000 112,800,000 -14,894,000 37,769,000 17,210,000 29,393,000 14,091,000   66,453,000 -795,000 8,599,000 -1,633,000 47,633,000 -1,850,000 7,784,000 -686,000 855,000 -1,279,000 -2,066,000 16,037,000 13,674,000 30,365,000 -2,593,000 -585,000 -1,379,000 -1,402,000 -850,000 34,930,000 -936,000 -1,188,000 -1,079,000 -1,052,000 -1,086,000 -3,005,000 -1,004,000  
          net increase in cash and cash equivalents
        35,617,000 60,213,000   -181,932,000 -67,468,000 54,730,000 -34,503,000 2,213,000 41,756,000 47,896,000 93,005,000 10,699,000 7,406,000 23,284,000   -42,419,000 106,209,000 42,884,000 -81,035,000 61,182,000   4,042,000 14,779,000 5,354,000 1,218,000 6,741,000 -14,574,000       -26,199,000   -17,851,000 9,801,000   -11,974,000 12,201,000 11,202,000   -8,286,000 19,758,000 18,498,000 -15,037,000 1,851,000 8,895,000 -757,000 167,000 3,034,000       2,597,000 17,490,000   -8,266,000 -15,081,000   2,174,000  
          cash and cash equivalents beginning of period
        503,881,000 464,598,000 509,626,000 316,270,000 262,201,000 236,562,000      31,083,000 42,337,000 57,706,000 41,569,000 50,408,000 65,755,000 40,685,000 29,584,000  72,088,000 38,855,000  41,326,000  51,732,000  
          cash and cash equivalents end of period
        539,498,000 60,213,000 79,699,000 81,303,000 282,666,000 -67,468,000 54,730,000 -34,503,000 511,839,000 41,756,000 47,896,000 93,005,000 326,969,000 7,406,000 23,284,000 37,034,000 248,546,000 -42,419,000 106,209,000 42,884,000 155,527,000 61,182,000 -26,358,000 138,521,000 63,217,000 14,779,000 5,354,000 1,218,000 37,824,000 -14,574,000 18,473,000 -7,873,000 35,057,000 2,282,000 6,579,000 1,969,000 31,507,000 17,292,000 6,895,000 -17,851,000 51,370,000 1,500,000 -10,566,000 -11,974,000 62,609,000 11,202,000 16,813,000 -35,076,000 57,469,000 19,758,000 18,498,000 -15,037,000 42,536,000 8,895,000 -757,000 167,000 32,618,000  -12,461,000 -12,862,000 50,973,000 10,573,000 -15,099,000 41,452,000  -12,322,000 627,000 33,060,000  5,473,000 -3,512,000 54,446,000  
          deferred income taxes
         -27,013,000    -1,296,000 1,379,000 -86,000 638,000 -27,156,000 -372,000 47,000 -5,911,000 -849,000 264,000 -1,182,000 431,000   -28,988,000 176,000 1,003,000     385,000 696,000 14,000 9,754,000 514,000 61,000 -1,551,000 -660,000 -18,000 21,000 473,000 762,000 -6,000 22,000 -2,600,000 33,000 -560,000 17,000 3,774,000 -673,000 26,000 -121,000 -2,235,000 721,000 -2,250,000 1,653,000 2,933,000 11,000 -2,148,000 294,000 -1,571,000 -2,425,000 -715,000 560,000 -29,000 -2,268,000 1,026,000 -1,024,000 1,385,000 -213,000 -227,000  
          proceeds from debt
                    200,000   13,572,000                                                        
          non-cash leasing arrangement
          225,000 199,000 208,000 218,000 205,000 190,000 195,000 178,000 211,000 218,000 263,000 142,000 111,000 116,000 124,000 139,000 125,000 109,000 112,000 114,000 101,000 111,000 125,000 9,000 997,000                                               
          impairment of long-lived assets
             1,849,000                     705,000 155,000                                         
          provision for doubtful accounts
          637,000 434,000 438,000 320,000 701,000 340,000 378,000 327,000 831,000 363,000 1,887,000 89,000 132,000 27,000 2,142,000 710,000 -661,000 2,560,000 2,865,000 2,634,000 247,000 1,312,000 990,000 299,000 540,000 615,000 722,000 1,129,000 402,000 570,000 9,089,000 7,287,000 7,297,000 7,350,000 8,442,000 7,989,000 6,316,000 5,765,000 6,032,000 5,302,000 3,725,000 4,743,000 3,908,000 2,637,000 3,229,000 3,405,000 3,601,000 2,978,000 2,554,000 2,973,000 3,279,000 2,256,000 2,127,000 1,812,000 1,939,000 1,941,000 1,814,000 2,227,000 1,485,000 1,398,000 1,550,000 1,606,000 920,000 817,000 1,213,000 163,000 1,000,000 999,000 1,051,000 996,000 
          cash received from insurance proceeds
          2,877,000   199,000 646,000                                                               
          loss on insurance claims, other investments and asset disposals
                                                                                 
          escrow deposits
           26,067,000 -35,069,000  -3,200,000 -160,000 -486,000 -891,000 877,000    7,284,000 -15,171,000 -400,000   -250,000 -65,000 329,000   -14,000,000   -300,000 -6,611,000 1,992,000 7,373,000 -10,025,000 621,000 23,076,000 -21,531,000 -2,394,000 -284,000 5,406,000 -5,058,000 -1,646,000 1,910,000 1,034,000 -859,000 -2,485,000 -15,553,000 1,280,000 1,372,000 -3,252,000 -750,000 4,256,000 3,337,000 -7,843,000   2,730,000 -2,940,000  -8,268,000     -500,000 9,419,000         
          cash from insurance proceeds
             1,772,000 601,000   900,000 216,000   196,000 490,000 222,000 431,000 194,000                                                        
          cash proceeds from the sale of assets
             10,000 820,000   200,000 30,000   4,000 961,000                                                           
          other restricted assets
          -48,000 656,000 -9,000 -1,848,000 -216,000 -301,000 -300,000 97,000 461,000 769,000 -357,000 -24,000 -196,000 -395,000 764,000 -281,000 -1,680,000 120,000 -279,000 -340,000 -341,000 -358,000 -237,000                                                 
          non-controlling interest distribution
             -265,000 -278,000 -4,000 -273,000 -3,000   -1,019,000 -641,000 -1,248,000 -480,000 -1,243,000 -240,000 -720,000 -280,000 -177,000   -2,000 -44,000 -292,000                                         
          purchase of non-controlling interest
          -382,000 -64,000 -11,000 -4,411,000 -29,000 -10,000 -22,000 -57,000 -100,000 -77,000 -9,000 -669,000 -26,000                 -83,000                                     
          loss on insurance claims and asset disposals
           -1,018,000 420,000                                                                     
          litigation
                                                                                 
          cash from insurance proceeds and the sale of assets
           1,496,000 1,494,000                                                                     
          net cash from in financing activities
           -6,307,000 -10,348,000                                                                     
          net decrease in cash and cash equivalents
                        -13,655,000               -7,873,000 -7,280,000  6,579,000       1,500,000                 -12,461,000 -12,862,000 -21,115,000 10,573,000            
          income taxes payable
            13,219,000    16,173,000  15,541,000 11,390,000 13,850,000    10,416,000  493,000 -11,927,000 11,791,000   11,577,000 10,882,000    990,000     -2,357,000 1,175,000 936,000 246,000                      6,592,000             
          write-off of deferred financing fees
                                                                              
          loss on sale of assets
                                                                                 
          deferred employer portion of social security taxes
                                                                                 
          other long-term liabilities
             311,000 -8,000   -13,000 -14,000   -12,000 -11,000 -12,000 -11,000 111,000 -20,000 10,000 -167,000 -30,608,000 20,263,000 19,922,000 677,000                                                 
          proceeds from sale of subsidiary shares
                                                                             
          payment of contingent consideration
                                                                                 
          payments of deferred financing costs
                 -19,000 -3,077,000 -120,000 -291,000            73,000 -91,000 -2,717,000    -1,893,000 -1,385,000       -12,000 -718,000 14,000 -39,000 -219,000 -28,000 -2,504,000 -39,000 -3,000 -5,000 -868,000 -25,000 -52,000 -25,000 -93,000 4,000 -296,000  
          loss on sale of assets and insurance claims
                                                                                 
          litigation adjustment
              -555,000                                                                   
          cash payments for business acquisitions
              -494,000     -16,400,000       18,758,000 -3,951,000 -13,258,000 -8,004,000 -3,100,000                                            
          cash payments for asset acquisitions
              -17,994,000 -62,953,000 -1,943,000 -14,114,000 -53,285,000   -19,037,000 -48,207,000 -482,000 -17,010,000 -93,041,000   -1,920,000 -9,023,000 -14,054,000 -66,269,000 -32,150,000 -37,413,000 -5,763,000 -27,455,000 -2,313,000 -51,099,000 -4,447,000                                         
          loss on insurance claims, legal matters and asset disposals
                -171,000                                                                 
          cash proceeds from insurance proceeds and the sale of assets
                536,000                                                                 
          gain on sale of assets
                     -900,000                                                           
          deconsolidation of an ancillary business
                                                                                 
          cash payments for medicare and medicaid licenses
                                                                                 
          proceeds from cares act provider relief fund and medicare advance payment program
                         99,000   10,979,000                                                    
          repayments of cares act provider relief fund and medicare advance payment program
                         -99,000 -2,399,000 -111,162,000 -32,944,000                                                    
          loss on insurance claims, legal adjustments and asset disposals
                  -246,000                                                               
          loss on insurance claims, legal finding and asset disposals
                    62,000 -1,573,000 1,025,000 420,000 4,054,000                                                         
          cash proceeds from the sale of assets and insurance proceeds
                    13,000         853,000 120,000 118,000 121,000 216,000 5,260,000 54,000 2,521,000   1,546,000 64,000                                         
          escrow deposits used to fund acquisitions
                             14,050,000 7,271,000 228,000                                         
          net income from discontinued operations, net of tax
                                                                                 
          loss on insurance claims and disposal of assets
                                101,000                                                 
          net cash from discontinued operating activities
                                                                                 
          cash proceeds from the sale of assets and ancillary business
                         903,000 74,000 37,000 840,000                                                     
          net cash from discontinued investing activities
                                                                                 
          dividends received from pennant
                                                                                 
          cash retained by pennant at spin-off
                                                                                 
          contribution from noncontrolling interest
                                                                                 
          net cash from discontinued financing activities
                                                                                 
          loss on sale of asset disposals
                          -50,000 441,000 -236,000                                                     
          cash proceeds from insurance proceeds
                           455,000 6,250,000                                                     
          proceeds from revolving credit facility and other debt
                             36,600,000 120,600,000 260,000,000 485,000,000 360,000,000 270,000,000 265,000,000 245,000,000 195,000,000 210,000,000 195,000,000                                         
          payments on revolving credit facility and other debt
                           -648,000 -849,000 -37,490,000 -30,857,000 -320,732,000 -240,666,000 -433,160,000 -362,529,000 -243,448,000 -257,517,000 -257,512,000 -217,505,000 -222,501,000 -217,421,000 -322,065,000 -217,037,000 -89,037,000 -362,015,000 -212,033,000 -200,165,000 -137,164,000 -110,152,000 -80,150,000 -80,149,000 -60,091,000 -94,027,000                             
          proceeds from cares act provider relief fund
                            9,139,000                                                     
          amortization of deferred gain on sale-leaseback
                                     -165,000 -164,000 -165,000 -164,000 -165,000 -164,000                                       
          cash received from insurance proceeds related to reconstruction of damaged properties and business interruptions
                                                                                 
          income tax refund
                                                                               
          deferred employer portion of social security taxes under cares act
                                                                                 
          net cash from continuing operating activities
                             91,190,000 108,023,000 147,015,000 27,123,000                                                 
          net cash from continuing investing activities
                             -10,181,000 -20,159,000 -12,784,000 -15,542,000                                                 
          net cash from continuing financing activities
                             -19,827,000 -114,222,000 4,290,000 -7,539,000                                                 
          cash and cash equivalents beginning of period, including cash of discontinued operations
                             59,175,000                                                 
          cash and cash equivalents end of period, including cash of discontinued operations
                             61,182,000 -26,358,000 138,521,000 63,217,000                                                 
          less cash of discontinued operations at end of period
                                                                                 
          cash received from insurance proceeds related to replacement properties and business interruptions
                              174,000   795,000 166,000   785,000                                            
          gain on insurance claims and disposal of assets
                                     83,000                                            
          repurchase of shares of common stock and subsidiary shares
                                  -5,394,000                                              
          cares act provider relief funds
                                                                                 
          proceeds from medicare advance payment program
                                                                                 
          net increase in cash, cash equivalents, and restricted cash
                                                                                 
          impairment of long-lived assets and goodwill
                                 2,673,000                                                
          share-based compensation
                                 2,089,000 2,978,000 3,302,000 2,953,000 2,698,000 2,810,000 2,520,000 2,309,000 2,940,000 2,155,000 2,376,000 2,224,000 2,194,000 2,242,000 2,780,000 1,885,000 1,729,000 1,722,000 1,733,000 1,493,000 1,377,000 1,430,000 1,204,000 1,179,000 1,467,000 987,000 954,000 991,000 2,255,000 869,000                   
          liabilities related to operational closures
                                         -410,000                                       
          cash proceeds from sale leaseback
                                                                                 
          gains on insurance claims and disposal of assets
                                    -4,000                                             
          insurance subsidiary deposits
                                                                       -175,000 -230,000 -783,000 -1,102,000 50,000 -710,000 -700,000 -939,000 -586,000  
          other long-term liability
                                  991,000 1,315,000 -43,000                                             
          investments and change in other assets
                                  -1,020,000                                               
          amortization of right-of-use assets
                                    -254,000                                             
          change in other assets
                                    -7,473,000                                             
          excess tax benefit from share-based compensation
                                             -829,000 -716,000 -849,000 -685,000 -889,000 -891,000 -1,259,000 -641,000 -1,861,000 -471,000 -1,244,000 -688,000 -1,353,000 -593,000 -411,000 -497,000 -723,000 -527,000                   
          gain on sale of urgent care centers
                                             -16,655,000                                    
          deferred rent and other long-term liability
                                                                                 
          cash received from sale of urgent care centers and franchising businesses, net of note receivable
                                                                                 
          cash proceeds from sale-leaseback
                                                                               
          issuance of treasury stock upon exercise of options
                                             14,000   71,000 10,000 6,000 195,000 4,000 77,000 94,000 379,000 4,000 2,000 34,000 248,000 239,000 27,000 120,000 618,000 518,000 2,000 103,000 14,000 27,000 132,000 65,000 105,000 17,000 23,000 3,000 45,000 16,000 194,000 179,000 
          issuance of common stock upon exercise of options and vesting of restricted stock
                                                                                 
          goodwill and intangibles asset impairment
                                                                                 
          insurance subsidiary deposits and investments
                                      2,172,000 -2,651,000 80,000 -6,423,000 4,189,000 -4,537,000 179,000 -19,000 -644,000 -1,563,000 1,759,000 -168,000 -9,941,000 -471,000 -205,000 121,000 -1,921,000 117,000 150,000 96,000 167,000 -349,000 196,000 -107,000 174,000 -5,409,000 -416,000 -147,000 -344,000 -510,000 607,000 -448,000            
          charge related to class action lawsuit
                                          11,000,000                                     
          deferred rent liability
                                      -195,000 37,000 339,000 -168,000 330,000 79,000 242,000 751,000 78,000 45,000 82,000 -263,000 454,000 97,000 26,000 83,000 -10,000 -61,000 -14,000 81,000 14,000 -76,000 -198,000 85,000 -5,000 105,000 212,000 610,000 -391,000 -19,000 -289,000 53,000 -350,000 453,000 458,000 379,000 -117,000 -50,000 15,000 -354,000 -228,000 -46,000 -173,000 
          cash proceeds from the sale of assets and insurance proceeds related to damaged properties
                                                                                 
          restricted and other assets
                                      -103,000 -388,000 -201,000 -1,921,000 17,000 -139,000 -193,000 1,374,000 -386,000 -289,000 -334,000 -1,337,000 -1,273,000 186,000 -389,000 -216,000 -350,000 488,000 -262,000  -24,000 21,000 -177,000 3,201,000 -84,000 119,000 -1,517,000 -126,000 455,000 -211,000 -278,000 -160,000 -245,000 1,000  274,000 -177,000 -181,000    -180,000  
          insurance proceeds received for damage to property
                                        167,000                                         
          gain on insurance claims for damaged property and other assets
                                        -667,000                                         
          gain on disposition of intangibles, property and equipment
                                                                                 
          escrow deposits used to fund business acquisitions
                                         1,582,000 400,000 16,153,000 1,000,000 4,635,000 175,000 14,422,000 7,595,000 10,090,000      
          use of restricted cash
                                                 1,481,000 1,907,000 1,694,000                             
          cash proceeds from the sale of fixed assets and insurance proceeds
                                                                                 
          proceeds from common stock offering
                                                 112,078,000                             
          issuance costs in connection with common stock offering
                                                 -210,000 -147,000 -5,604,000                             
          long-lived asset impairment
                                          111,000                                     
          gain on disposition of property and equipment
                                                                                 
          cash payment for business acquisitions
                                          -42,300,000 -32,952,000 -8,693,000 -500,000 -7,729,000 -55,591,000 -490,000 -30,928,000 -18,867,000 -22,298,000 -38,709,000 -49,701,000 -4,526,000 -29,294,000 -9,148,000 263,000 -6,054,000 -28,664,000 -10,646,000 -9,001,000 -4,512,000 -11,002,000 -7,043,000 -20,208,000 -41,510,000 -7,955,000 -37,074,000 -11,192,000 -7,617,000 -39,168,000 -22,133,000     
          cash payment for asset acquisitions
                                          -310,000 -120,158,000   -1,899,000 2,000   1,000 -426,000          -6,802,000 -9,244,000 -7,339,000             
          cash proceeds from the sale of property and equipment and insurance proceeds
                                          1,529,000 409,000 608,000 20,000 174,000 197,000                                 
          proceeds from revolving credit facility
                                          220,000,000 115,000,000 345,000,000 325,000,000 187,000,000 175,250,000 156,750,000 110,000,000 95,000,000                               
          losses related to operational closures
                                            3,906,000                                     
          fixed assets impairment
                                             137,000                                 
          loss on extinguishment of debt
                                                                              
          loss on termination of interest rate swap
                                                                               
          loss on disposition of property and equipment
                                             185,000    183,000    86,000 10,000 5,000 -1,000 215,000 35,000 -14,000 1,143,000 154,000 55,000 194,000 9,000 69,000 122,000 2,000 -3,000 221,000 1,000 21,000 7,000 3,000 61,000 264,000 55,000 5,000 152,000 103,000 
          increase in restricted cash
                                                                                 
          cash retained by caretrust at separation
                                                                               
          prepayment penalty on early retirement of debt
                                                                                 
          losses related to operational closure
                                              -177,000 -240,000 7,798,000                                 
          cash received from sale of urgent care centers, net of note receivable
                                                                                 
          write-off of deferred financing fee
                                               197,000                                 
          income tax payable
                                                13,000    5,914,000                             
          loss from sale of discontinued operations
                                                         13,000 2,824,000                     
          goodwill and other indefinite-lived intangibles impairment
                                                                                 
          amortization of deferred financing fees and debt discount
                                                 148,000 147,000 148,000 148,000 148,000 148,000 186,000 205,000 205,000 205,000 205,000 206,000 206,000 209,000 208,000 203,000  191,000 159,000 168,000 159,000 136,000 191,000          
          gain on sale of equity method investment
                                                                               
          u.s. government inquiry accrual
                                                         -48,000,000                        
          cash proceeds on sale of urgent care franchising business, net of note receivable
                                                         -3,000                       
          cash proceeds on sale of equity method investment
                                                                               
          cash proceeds from the sale of property and equipment
                                                     23,000 1,000 142,000 146,000 539,000 102,000 116,000 9,000 1,000 29,000                 
          proceeds from from revolving credit facility
                                                    29,000,000                             
          net cash provided (used) in financing activities
                                                    42,796,000                             
          deferred income tax effect of purchase of noncontrolling interest
                                                                                 
          accrued self-insurance
                                                     319,000 1,634,000 1,561,000 -1,633,000 -2,394,000 843,000 -1,972,000 1,681,000 409,000 546,000 3,629,000 1,621,000  1,216,000 429,000 1,396,000 506,000 1,908,000 1,481,000  1,199,000 2,462,000 326,000  -305,000 987,000 869,000  
          deposits of restricted cash
                                                                                 
          uses of restricted cash
                                                                                 
          proceeds from issuance of debt
                                                     95,000,000 60,000,000   48,700,000   15,000,000 21,525,000 15,000,000                
          prepayment penalties on early retirement of debt
                                                                                
          prepaid expenses and other current assets
                                                      -752,000 1,390,000 215,000 -1,488,000 -590,000 1,552,000 25,000 -638,000 -1,073,000 461,000 306,000 608,000 -1,202,000 -399,000 502,000 -254,000 -832,000 632,000 1,578,000 -2,287,000 -715,000 -382,000 58,000 704,000 -31,000 -104,000  
          change in restricted cash
                                                                                 
          payments on long-term debt
                                                      -60,000,000 -239,322,000 -1,849,000 -1,824,000 -1,802,000 -1,788,000 -1,793,000 -6,770,000 -1,749,000                   
          supplemental disclosures of cash flow information:
                                                                                 
          cash paid during the period for:
                                                                                 
          interest
                                                        3,369,000  3,197,000 3,173,000 3,094,000  3,091,000 3,033,000 3,096,000  5,001,000 2,712,000 2,900,000 2,351,000 2,304,000 2,222,000 1,470,000 1,251,000 1,213,000 1,344,000 1,262,000 1,126,000 1,161,000 1,239,000  
          income taxes
                                                        158,000  7,348,000 9,730,000 160,000  6,901,000    9,187,000 10,295,000 7,870,000 8,305,000 7,985,000 6,065,000 4,710,000 8,066,000 4,100,000 8,100,000 3,191,000 3,810,000 4,308,000 106,000  
          non-cash financing and investing activity:
                                                                                 
          accrued capital expenditures
                                                        1,793,000  249,000 -1,420,000 1,997,000  90,000 -1,020,000 1,829,000  -587,000 313,000 895,000             
          goodwill impairment
                                                                                 
          restricted assets and other
                                                                                 
          purchase of noncontrolling interest
                                                                                 
          acquisition of redeemable noncontrolling interest
                                                              11,600,000                 
          note receivable on sale of urgent care franchising business
                                                                                
          u.s. government inquiry settlement
                                                           33,000,000                     
          charge related to u.s. government inquiry
                                                                                 
          impairment of goodwill and other indefinite-lived intangibles
                                                                                 
          impairment of software development costs
                                                                     -109,000            
          change in operating assets and liabilities, net of effects of acquisitions:
                                                                                 
          repurchases of shares of common stock
                                                                                 
          excess tax benefit from share based compensation
                                                                -398,000 -489,000 -459,000 -91,000 -441,000 -43,000 -24,000 -333,000 37,000 -44,000 -9,000 -56,000 21,000 -7,000 -15,000 -106,000  
          payments on long term debt
                                                                -6,571,000 -1,561,000 -42,281,000 -1,702,000 -715,000 -507,000 -497,000 -542,000 -364,000 -263,000 -259,000 -275,000 -273,000 -231,000 -2,252,000 -263,000  
          escrow deposits for acquisitions
                                                                                 
          cash proceeds from the sale of fixed assets
                                                                 113,000 329,000 273,000 51,000 58,000          
          principal payments under capital lease obligation
                                                                                 
          cash and cash equivalents beginning of year
                                                                                
          cash and cash equivalents end of year
                                                                                45,314,000 
          non-cash investing activity:
                                                                                 
          principal payments on capital lease obligations
                                                                         -8,000 -6,000 -7,000      
          restricted assets
                                                                            -154,000 -105,000    
          other assets
                                                                            -28,000 8,000    
          repurchase of common stock
                                                                                 
          proceeds from sale of common stock in connection with initial public offering (ipo), net of issuance costs
                                                                                 
          supplemental disclosures of cash flow information
                                                                                 
          non-cash investing and financing activities:
                                                                                 
          capital lease obligation
                                                                                 
          in conjunction with acquisitions:
                                                                                 
          fair value of assets acquired
                                                                                 
          less: debt assumed in connection with acquisitions
                                                                                 
          cash paid for acquisitions
                                                                                 
          purchase of other investments
                                                                           -445,000      
          purchase of treasury stock
                                                                                 
          capital lease obligations
                                                                                 
          transfer of capital reserves from other assets to property and equipment
                                                                                 
          conditional asset retirement obligations under fin 47
                                                                                 
          debt assumed in connection with acquisitions
                                                                                 
          payments of deferred offering costs
                                                                                 
          cash payment for acquisitions
                                                                                 
          employee notes