7Baggers

AMN Healthcare Services, Inc
(NYSE:AMN) 

AMN stock logo

AMN Healthcare Services, Inc. provides healthcare workforce solutions and staffing services to hospitals and healthcare facilities in the United States. The company operates through three segments: Nurse and Allied Solutions, Physician and Leadership Solutions, and Technology and Workforce Solutions...

Founded: 1985
Full Time Employees: 3,236
Sector: Healthcare
Industry: Medical Care Facilities

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Quarterly
Annual
    Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 
                                                                                                    
      revenue
    634,496,000 658,175,000 689,533,000 734,709,000 687,509,000 740,685,000 820,878,000 818,269,000 853,463,000 991,299,000 1,126,223,000 1,125,511,000 1,138,586,000 1,426,607,000 1,552,538,000 1,363,045,000 877,800,000 857,445,000 885,945,000 631,271,000 551,631,000 608,351,000 602,461,000 586,892,000 567,597,000 535,177,000 532,441,000 528,635,000 526,842,000 558,108,000 522,489,000 509,076,000 494,406,000 489,803,000 495,169,000 487,858,000 472,636,000 473,729,000 468,002,000 402,552,000 382,859,000 350,144,000 327,510,000 279,649,000 264,584,000 250,913,000 240,881,000 248,658,000 257,095,000 253,943,000 252,120,000 247,841,000 243,912,000 235,786,000 226,412,000 181,228,000 242,299,000 234,537,000 229,402,000 220,328,000 176,313,000 149,282,000 143,294,000 144,698,000 166,357,000 199,140,000 249,595,000 295,902,000 315,014,000 312,691,000 293,593,000 285,899,000 300,267,000 293,912,000 283,944,000 283,534,000 282,728,000 261,176,000 254,265,000 221,429,000 166,883,000 160,689,000 156,842,000 158,300,000 156,083,000 153,368,000 161,265,000 159,617,000 171,463,000 183,364,000 199,765,000 207,047,000 203,445,000 191,235,000 173,956,000  
      yoy
    -7.71% -11.14% -16.00% -10.21% -19.44% -25.28% -27.11% -27.30% -25.04% -30.51% -27.46% -17.43% 29.71% 66.38% 75.24% 115.92% 59.13% 40.95% 47.05% 7.56% -2.81% 13.67% 13.15% 11.02% 7.74% -4.11% 1.90% 3.84% 6.56% 13.95% 5.52% 4.35% 4.61% 3.39% 5.80% 21.19% 23.45% 35.30% 42.90% 43.95% 44.70% 39.55% 35.96% 12.46% 2.91% -1.19% -4.46% 0.33% 5.40% 7.70% 11.35% 36.76% 0.67% 0.53% -1.30% -17.75% 37.43% 57.11% 60.09% 52.27% 5.98% -25.04% -42.59% -51.10% -47.19% -36.31% -14.99% 3.50% 4.91% 6.39% 3.40% 0.83% 6.20% 12.53% 11.67% 28.05% 69.42% 62.54% 62.12% 39.88% 6.92% 4.77% -2.74% -0.83% -8.97% -16.36% -19.27% -22.91% -15.72% -4.12% 14.84%      
      qoq
    -3.60% -4.55% -6.15% 6.87% -7.18% -9.77% 0.32% -4.12% -13.90% -11.98% 0.06% -1.15% -20.19% -8.11% 13.90% 55.28% 2.37% -3.22% 40.34% 14.44% -9.32% 0.98% 2.65% 3.40% 6.06% 0.51% 0.72% 0.34% -5.60% 6.82% 2.63% 2.97% 0.94% -1.08% 1.50% 3.22% -0.23% 1.22% 16.26% 5.14% 9.34% 6.91% 17.11% 5.69% 5.45% 4.16% -3.13% -3.28% 1.24% 0.72% 1.73% 1.61% 3.45% 4.14% 24.93% -25.20% 3.31% 2.24% 4.12% 24.96% 18.11% 4.18% -0.97% -13.02% -16.46% -20.21% -15.65% -6.07% 0.74% 6.50% 2.69% -4.79% 2.16% 3.51% 0.14% 0.29% 8.25% 2.72% 14.83% 32.69% 3.85% 2.45% -0.92% 1.42% 1.77% -4.90% 1.03% -6.91% -6.49% -8.21% -3.52% 1.77% 6.38% 9.93%   
      cost of revenue
    450,084,000 461,776,000 491,413,000 515,721,000 474,454,000 510,858,000 563,372,000 557,321,000 563,957,000 661,018,000 757,377,000 750,258,000 753,560,000 966,370,000 1,056,370,000 928,720,000 571,935,000 576,902,000 597,077,000 423,732,000 366,998,000 410,811,000 400,395,000 389,759,000 377,566,000 355,635,000 355,682,000 356,179,000 351,695,000 377,152,000 354,665,000 346,984,000 334,867,000 328,791,000 333,393,000 329,252,000 318,169,000 318,976,000 316,104,000 270,748,000 256,850,000 240,026,000 226,078,000 194,953,000 184,278,000 173,754,000 166,925,000 174,465,000 181,428,000 179,530,000 179,113,000 177,214,000 174,329,000 168,813,000 163,198,000 133,491,000 173,582,000 169,550,000 161,524,000 158,335,000 127,995,000 108,111,000 103,250,000 103,545,000 120,749,000 145,463,000 185,612,000 219,966,000 233,954,000 230,153,000 216,138,000 209,936,000 220,529,000 218,953,000 211,439,000 209,261,000 206,036,000 191,154,000 185,964,000 163,623,000 127,339,000 123,521,000 121,125,000 121,449,000 119,383,000 118,386,000 125,436,000 123,227,000 132,438,000 141,373,000 155,014,000 156,550,000 153,748,000 144,849,000 131,753,000  
      gross profit
    184,412,000 196,399,000 198,120,000 218,988,000 213,055,000 229,827,000 257,506,000 260,948,000 289,506,000 330,281,000 368,846,000 375,253,000 385,026,000 460,237,000 496,168,000 434,325,000 305,865,000 280,543,000 288,868,000 207,539,000 184,633,000 197,540,000 202,066,000 197,133,000 190,031,000 179,542,000 176,759,000 172,456,000 175,147,000 180,956,000 167,824,000 162,092,000 159,539,000 161,012,000 161,776,000 158,606,000 154,467,000 154,753,000 151,898,000 131,804,000 126,009,000 110,118,000 101,432,000 84,696,000 80,306,000 77,159,000 73,956,000 74,193,000 75,667,000 74,413,000 73,007,000 70,627,000 69,583,000 66,973,000 63,214,000 47,737,000 68,717,000 64,987,000 67,878,000 61,993,000 48,318,000 41,171,000 40,044,000 41,153,000 45,608,000 53,677,000 63,983,000 75,936,000 81,060,000 82,538,000 77,455,000 75,963,000 79,738,000 74,959,000 72,505,000 74,273,000 76,692,000 70,022,000 68,301,000 57,806,000 39,544,000 37,168,000 35,717,000 36,851,000 36,700,000 34,982,000 35,829,000 36,390,000 39,025,000 41,991,000 44,751,000 50,497,000 49,697,000 46,386,000   
      yoy
    -13.44% -14.54% -23.06% -16.08% -26.41% -30.41% -30.19% -30.46% -24.81% -28.24% -25.66% -13.60% 25.88% 64.05% 71.76% 109.27% 65.66% 42.02% 42.96% 5.28% -2.84% 10.02% 14.32% 14.31% 8.50% -0.78% 5.32% 6.39% 9.78% 12.39% 3.74% 2.20% 3.28% 4.04% 6.50% 20.33% 22.58% 40.53% 49.75% 55.62% 56.91% 42.72% 37.15% 14.16% 6.13% 3.69% 1.30% 5.05% 8.74% 11.11% 15.49% 47.95% 1.26% 3.06% -6.87% -23.00% 42.22% 57.85% 69.51% 50.64% 5.94% -23.30% -37.41% -45.81% -43.74% -34.97% -17.39% -0.04% 1.66% 10.11% 6.83% 2.28% 3.97% 7.05% 6.16% 28.49% 93.94% 88.39% 91.23% 56.86% 7.75% 6.25% -0.31% 1.27% -5.96% -16.69% -19.94% -27.94% -21.47% -9.47%       
      qoq
    -6.10% -0.87% -9.53% 2.78% -7.30% -10.75% -1.32% -9.86% -12.35% -10.46% -1.71% -2.54% -16.34% -7.24% 14.24% 42.00% 9.03% -2.88% 39.19% 12.41% -6.53% -2.24% 2.50% 3.74% 5.84% 1.57% 2.50% -1.54% -3.21% 7.82% 3.54% 1.60% -0.91% -0.47% 2.00% 2.68% -0.18% 1.88% 15.25% 4.60% 14.43% 8.56% 19.76% 5.47% 4.08% 4.33% -0.32% -1.95% 1.69% 1.93% 3.37% 1.50% 3.90% 5.95% 32.42% -30.53% 5.74% -4.26% 9.49% 28.30% 17.36% 2.81% -2.69% -9.77% -15.03% -16.11% -15.74% -6.32% -1.79% 6.56% 1.96% -4.73% 6.38% 3.38% -2.38% -3.15% 9.53% 2.52% 18.16% 46.18% 6.39% 4.06% -3.08% 0.41% 4.91% -2.36% -1.54% -6.75% -7.06% -6.17% -11.38% 1.61% 7.14%    
      gross margin %
    29.06% 29.84% 28.73% 29.81% 30.99% 31.03% 31.37% 31.89% 33.92% 33.32% 32.75% 33.34% 33.82% 32.26% 31.96% 31.86% 34.84% 32.72% 32.61% 32.88% 33.47% 32.47% 33.54% 33.59% 33.48% 33.55% 33.20% 32.62% 33.24% 32.42% 32.12% 31.84% 32.27% 32.87% 32.67% 32.51% 32.68% 32.67% 32.46% 32.74% 32.91% 31.45% 30.97% 30.29% 30.35% 30.75% 30.70% 29.84% 29.43% 29.30% 28.96% 28.50% 28.53% 28.40% 27.92% 26.34% 28.36% 27.71% 29.59% 28.14% 27.40% 27.58% 27.95% 28.44% 27.42% 26.95% 25.63% 25.66% 25.73% 26.40% 26.38% 26.57% 26.56% 25.50% 25.53% 26.20% 27.13% 26.81% 26.86% 26.11% 23.70% 23.13% 22.77% 23.28% 23.51% 22.81% 22.22% 22.80% 22.76% 22.90% 22.40% 24.39% 24.43% 24.26% 0%  
      operating expenses:
                                                                                                    
      selling, general and administrative
    138,594,000 154,584,000 147,731,000 158,922,000 149,681,000 149,044,000 174,842,000 185,463,000 163,405,000 201,771,000 205,599,000 219,148,000 215,419,000 244,430,000 257,579,000 238,678,000 173,932,000 156,629,000 161,212,000 155,210,000 111,235,000 137,068,000 146,234,000 133,158,000 133,207,000 121,668,000 119,997,000 110,830,000 121,216,000 115,535,000 104,737,000 100,375,000 100,579,000 96,673,000 102,073,000 101,113,000 99,995,000 99,541,000 97,823,000 90,154,000 83,098,000 74,727,000 71,552,000 61,668,000 60,319,000 55,567,000 54,667,000 54,470,000 55,605,000 54,551,000 53,607,000 53,049,000 52,375,000 50,304,000 47,176,000 35,920,000 53,840,000 52,646,000 52,942,000 54,822,000 46,762,000 34,594,000 31,950,000 32,388,000 36,933,000 37,840,000 50,080,000 55,176,000 60,260,000 60,117,000 55,103,000 55,910,000 55,769,000 53,520,000 53,051,000 51,183,000 54,071,000 52,353,000 47,892,000                  
      depreciation and amortization
    37,380,000 37,753,000 37,882,000 40,161,000 41,122,000 43,101,000 42,719,000 41,315,000 39,175,000 36,847,000 37,577,000 36,838,000 33,239,000 32,274,000 30,656,000 27,054,000 26,104,000 24,740,000 23,254,000 23,670,000 26,936,000 22,071,000 20,089,000 17,007,000 17,085,000 12,718,000 11,710,000 11,449,000 11,296,000 10,606,000 7,886,000 8,520,000 8,132,000 7,959,000 7,668,000 7,732,000 7,789,000 7,334,000 6,765,000 5,322,000 5,304,000 5,232,000 5,095,000 4,077,000 4,086,000 4,010,000 3,820,000 3,698,000 3,317,000 3,240,000 3,290,000 3,469,000 3,435,000 3,552,000 3,695,000 3,786,000 3,954,000 4,119,000 4,465,000 4,836,000 3,787,000 3,163,000 3,298,000 3,408,000 3,495,000 3,442,000 3,467,000 3,581,000 3,770,000 3,738,000 3,350,000 3,209,000 2,979,000 2,857,000 2,629,000 2,697,000 2,638,000 2,524,000 2,466,000 2,162,000 1,481,000 1,457,000 1,079,000              
      gain on sale of disposal group
    -39,180,000                                                                                                
      goodwill impairment loss
     109,515,000                                                                                               
      long-lived assets impairment loss
     18,262,000                                                                                               
      total operating expenses
    136,794,000 320,114,000 185,613,000 421,540,000 190,803,000 192,145,000 217,561,000 226,778,000 202,580,000 238,618,000 243,176,000 255,986,000 248,658,000 276,704,000 288,235,000 265,732,000 200,036,000 181,369,000 184,466,000 178,880,000 138,171,000 159,139,000 166,323,000 150,165,000 150,292,000 134,386,000 131,707,000 122,279,000 132,512,000 126,141,000 112,623,000 108,895,000 108,711,000 104,632,000 109,741,000 108,845,000 107,784,000 106,875,000 104,588,000 95,476,000 88,402,000 79,959,000 76,647,000 65,745,000 64,405,000 59,577,000 58,487,000 58,168,000 58,922,000 57,791,000 56,897,000 56,518,000 55,810,000 53,856,000 50,871,000 8,508,000 88,992,000 56,765,000 57,407,000 60,708,000 100,331,000 37,757,000 35,248,000 35,796,000 46,628,000 43,434,000 232,172,000 58,757,000 64,030,000 63,855,000 58,453,000 59,119,000 58,748,000 56,377,000 55,680,000 53,880,000 56,709,000 54,877,000 50,358,000 41,289,000 26,679,000 28,172,000 27,365,000              
      income from operations
    47,618,000 -123,715,000 12,507,000 -202,552,000 22,252,000 37,682,000 39,945,000 34,170,000 86,926,000 91,663,000 125,670,000 119,267,000 136,368,000 183,533,000 207,933,000 168,593,000 105,829,000 99,174,000 104,402,000 28,659,000 46,462,000 38,401,000 35,743,000 46,968,000 39,739,000 45,156,000 45,052,000 50,177,000 42,635,000 54,815,000 55,201,000 53,197,000 50,828,000 56,380,000 52,035,000 49,761,000 46,683,000 47,878,000 47,310,000 36,328,000 37,607,000 30,159,000 24,785,000 18,951,000 15,901,000 17,582,000 15,469,000 16,025,000 16,745,000 16,622,000 16,110,000 14,109,000 13,773,000 13,117,000 12,343,000 39,229,000 -20,275,000 8,222,000 10,471,000 1,285,000 -52,013,000 3,414,000 4,796,000 5,357,000 -1,020,000 10,243,000 -168,189,000 17,179,000 17,030,000 18,683,000 19,002,000 16,844,000 20,990,000 18,582,000 16,825,000 20,393,000 19,983,000 15,145,000 17,943,000 16,517,000 12,865,000 8,996,000 8,352,000 8,925,000 8,662,000 9,204,000 9,548,000 9,336,000 15,437,000 18,610,000 20,581,000 23,491,000 23,494,000 20,793,000   
      yoy
    113.99% -428.31% -68.69% -692.78% -74.40% -58.89% -68.21% -71.35% -36.26% -50.06% -39.56% -29.26% 28.86% 85.06% 99.17% 488.27% 127.78% 158.26% 192.09% -38.98% 16.92% -14.96% -20.66% -6.40% -6.79% -17.62% -18.39% -5.68% -16.12% -2.78% 6.08% 6.91% 8.88% 17.76% 9.99% 36.98% 24.13% 58.75% 90.88% 91.69% 136.51% 71.53% 60.22% 18.26% -5.04% 5.78% -3.98% 13.58% 21.58% 26.72% 30.52% -64.03% -167.93% 59.54% 17.88% 2952.84% -61.02% 140.83% 118.33% -76.01% 4999.31% -66.67% -102.85% -68.82% -105.99% -45.17% -985.11% 1.99% -18.87% 0.54% 12.94% -17.40% 5.04% 22.69% -6.23% 23.47% 55.33% 68.35% 114.83% 85.06% 48.52% -2.26% -12.53% -4.40% -43.89% -50.54% -53.61% -60.26% -34.29% -10.50%       
      qoq
    -138.49% -1089.17% -106.17% -1010.26% -40.95% -5.67% 16.90% -60.69% -5.17% -27.06% 5.37% -12.54% -25.70% -11.73% 23.33% 59.31% 6.71% -5.01% 264.29% -38.32% 20.99% 7.44% -23.90% 18.19% -12.00% 0.23% -10.21% 17.69% -22.22% -0.70% 3.77% 4.66% -9.85% 8.35% 4.57% 6.59% -2.50% 1.20% 30.23% -3.40% 24.70% 21.68% 30.78% 19.18% -9.56% 13.66% -3.47% -4.30% 0.74% 3.18% 14.18% 2.44% 5.00% 6.27% -68.54% -293.48% -346.59% -21.48% 714.86% -102.47% -1623.52% -28.82% -10.47% -625.20% -109.96% -106.09% -1079.04% 0.87% -8.85% -1.68% 12.81% -19.75% 12.96% 10.44% -17.50% 2.05% 31.94% -15.59% 8.63% 28.39% 43.01% 7.71% -6.42% 3.04% -5.89% -3.60% 2.27% -39.52% -17.05% -9.58% -12.39% -0.01% 12.99%    
      operating margin %
    7.50% -18.80% 1.81% -27.57% 3.24% 5.09% 4.87% 4.18% 10.19% 9.25% 11.16% 10.60% 11.98% 12.87% 13.39% 12.37% 12.06% 11.57% 11.78% 4.54% 8.42% 6.31% 5.93% 8.00% 7.00% 8.44% 8.46% 9.49% 8.09% 9.82% 10.57% 10.45% 10.28% 11.51% 10.51% 10.20% 9.88% 10.11% 10.11% 9.02% 9.82% 8.61% 7.57% 6.78% 6.01% 7.01% 6.42% 6.44% 6.51% 6.55% 6.39% 5.69% 5.65% 5.56% 5.45% 21.65% -8.37% 3.51% 4.56% 0.58% -29.50% 2.29% 3.35% 3.70% -0.61% 5.14% -67.38% 5.81% 5.41% 5.97% 6.47% 5.89% 6.99% 6.32% 5.93% 7.19% 7.07% 5.80% 7.06% 7.46% 7.71% 5.60% 5.33% 5.64% 5.55% 6.00% 5.92% 5.85% 9.00% 10.15% 10.30% 11.35% 11.55% 10.87% 0%  
      interest expense, net, and other
    9,627,000 11,360,000 12,324,000 23,114,000 14,444,000 15,715,000 16,628,000 20,165,000 11,541,000 12,175,000 10,259,000 11,768,000 8,961,000 10,080,000 9,589,000 9,799,000 5,223,000 10,111,000 8,944,000 22,681,000 12,564,000 11,443,000 11,054,000 8,859,000 7,830,000 6,065,000 5,673,000 -217,000 4,649,000 6,376,000 5,335,000 4,782,000 4,837,000 4,928,000 5,130,000 2,266,250 3,016,000 2,800,000 3,249,000    1,807,000                                                      
      income before income taxes
    37,991,000 -135,075,000 183,000 -225,666,000 7,808,000 21,967,000 23,317,000 14,005,000 75,385,000 79,488,000 115,411,000 107,499,000 127,407,000 173,453,000 198,344,000 158,794,000 100,606,000 89,063,000 95,458,000 5,978,000 33,898,000 26,958,000 24,689,000 38,109,000 31,909,000 39,091,000 39,379,000 50,394,000 37,986,000 48,439,000 49,866,000 48,415,000 45,991,000 51,452,000 46,905,000 43,361,000 43,667,000 45,078,000 44,061,000 34,335,000 35,594,000 28,182,000 22,978,000 10,261,000 14,468,000 12,953,000 13,623,000         -4,926,250 -27,298,000 2,633,000 4,960,000 -4,473,000 -60,806,000 831,000 2,159,000 -16,000 -3,083,000 7,923,000 -170,388,000 14,510,000 14,480,000 16,023,000 16,191,000 13,916,000 17,919,000 15,458,000 13,491,000 16,361,000 15,809,000 10,800,000 13,796,000 11,950,000 11,356,000 7,263,000 6,596,000 7,139,000 6,260,000 7,086,000 7,414,000 13,584,750 15,345,000 18,496,000 20,498,000 15,747,750 23,560,000 20,802,000   
      income tax expense
    8,703,000 -18,873,000 1,275,000 -38,133,000 819,000 5,730,000 5,989,000 1,516,000 22,211,000 18,582,000 31,301,000 25,702,000 34,962,000 49,653,000 52,336,000 42,577,000 26,583,000 22,293,000 25,080,000 -3,330,000 7,831,000 4,633,000 11,724,000 10,627,000 8,394,000 10,222,000 5,257,000 14,781,000 10,068,000 12,910,000 7,185,000 7,248,000 17,863,000 20,197,000 14,897,000 17,010,000 16,371,000 18,756,000 18,192,000 14,170,000 1,947,000 12,312,000 10,769,000 7,727,000 5,969,000 5,760,000 5,993,000 5,833,000 6,290,000 5,093,000 5,688,000 1,798,000 4,227,000  3,357,000   1,820,000 2,704,000   694,000  -11,523,250 -1,088,000   6,886,000 4,985,000 6,656,000 6,675,000 4,912,000 7,831,000 6,212,000 5,297,000 6,314,000 6,337,000 3,529,000 5,495,000 4,973,000 4,508,000 2,847,000 2,603,000 2,605,000 2,330,000 2,763,000 2,855,000 2,405,000 6,059,000 7,306,000 8,099,000 9,211,000 9,268,000 8,321,000 7,452,000  
      net income
    29,288,000 -116,202,000 -1,092,000 -187,533,000 6,989,000 16,237,000 17,328,000 12,489,000 53,174,000 60,906,000 84,110,000 81,797,000 92,445,000 123,800,000 146,008,000 116,217,000 74,023,000 66,770,000 70,378,000 9,308,000 26,067,000 22,325,000 12,965,000 27,482,000 23,515,000 28,869,000 34,122,000 35,613,000 27,918,000 35,529,000 42,681,000 41,167,000 28,128,000 31,255,000 32,008,000 26,351,000 27,296,000 26,322,000 25,869,000 20,165,000 33,647,000 15,870,000 12,209,000 9,895,000 8,499,000 7,193,000 7,630,000 8,356,000 8,615,000 8,399,000 7,563,000 7,083,000 5,858,000 -81,000 4,276,000 -2,435,000 -26,899,000 813,000 2,256,000 -1,618,000 -51,290,000 137,000 780,000 -2,722,000 -1,995,000 4,374,000 -121,834,000 7,624,000 9,495,000 9,367,000 9,516,000 9,004,000 10,088,000 9,246,000 8,194,000 10,047,000 9,472,000 7,271,000 8,301,000 6,977,000 6,848,000 4,416,000 3,993,000 4,534,000 3,930,000 4,323,000 4,559,000 4,917,000 9,286,000 11,190,000 12,399,000 14,406,000 14,292,000 12,481,000   
      yoy
    319.06% -815.66% -106.30% -1601.59% -86.86% -73.34% -79.40% -84.73% -42.48% -50.80% -42.39% -29.62% 24.89% 85.41% 107.46% 1148.57% 183.97% 199.08% 442.83% -66.13% 10.85% -22.67% -62.00% -22.83% -15.77% -18.75% -20.05% -13.49% -0.75% 13.67% 33.34% 56.23% 3.05% 18.74% 23.73% 30.68% -18.88% 65.86% 111.88% 103.79% 295.89% 120.63% 60.01% 18.42% -1.35% -14.36% 0.89% 17.97% 47.06% -10469.14% 76.87% -390.88% -121.78% -109.96% 89.54% 50.49% -47.56% 493.43% 189.23% -40.56% 2470.93% -96.87% -100.64% -135.70% -121.01% -53.30% -1380.31% -15.33% -5.88% 1.31% 16.13% -10.38% 6.50% 27.16% -1.29% 44.00% 38.32% 64.65% 107.89% 53.88% 74.25% 2.15% -12.42% -7.79% -57.68% -61.37% -63.23% -65.87% -35.03% -10.34%       
      qoq
    -125.20% 10541.21% -99.42% -2783.26% -56.96% -6.30% 38.75% -76.51% -12.69% -27.59% 2.83% -11.52% -25.33% -15.21% 25.63% 57.00% 10.86% -5.13% 656.10% -64.29% 16.76% 72.19% -52.82% 16.87% -18.55% -15.39% -4.19% 27.56% -21.42% -16.76% 3.68% 46.36% -10.00% -2.35% 21.47% -3.46% 3.70% 1.75% 28.29% -40.07% 112.02% 29.99% 23.39% 16.43% 18.16% -5.73% -8.69% -3.01% 2.57% 11.05% 6.78% 20.91% -7332.10% -101.89% -275.61% -90.95% -3408.61% -63.96% -239.43% -96.85% -37537.96% -82.44% -128.66% 36.44% -145.61% -103.59% -1698.03% -19.71% 1.37% -1.57% 5.69% -10.75% 9.11% 12.84% -18.44% 6.07% 30.27% -12.41% 18.98% 1.88% 55.07% 10.59% -11.93% 15.37% -9.09% -5.18% -7.28% -47.05% -17.02% -9.75% -13.93% 0.80% 14.51%    
      net income margin %
    4.62% -17.66% -0.16% -25.52% 1.02% 2.19% 2.11% 1.53% 6.23% 6.14% 7.47% 7.27% 8.12% 8.68% 9.40% 8.53% 8.43% 7.79% 7.94% 1.47% 4.73% 3.67% 2.15% 4.68% 4.14% 5.39% 6.41% 6.74% 5.30% 6.37% 8.17% 8.09% 5.69% 6.38% 6.46% 5.40% 5.78% 5.56% 5.53% 5.01% 8.79% 4.53% 3.73% 3.54% 3.21% 2.87% 3.17% 3.36% 3.35% 3.31% 3.00% 2.86% 2.40% -0.03% 1.89% -1.34% -11.10% 0.35% 0.98% -0.73% -29.09% 0.09% 0.54% -1.88% -1.20% 2.20% -48.81% 2.58% 3.01% 3.00% 3.24% 3.15% 3.36% 3.15% 2.89% 3.54% 3.35% 2.78% 3.26% 3.15% 4.10% 2.75% 2.55% 2.86% 2.52% 2.82% 2.83% 3.08% 5.42% 6.10% 6.21% 6.96% 7.02% 6.53% 0%  
      other comprehensive income:
                                                                                                    
      unrealized gains on available-for-sale securities, net, and other
    80,000 145,000 61,000 45,000 101,000 182,000 84,000 187,000 133,000 50,000 146,000 -198,500 -219,000 332,000                                                                                   
      other comprehensive income
    80,000 145,000 61,000 45,000 101,000 182,000 84,000 187,000 133,000 50,000 146,000 -198,500 -219,000 332,000  -325,000 11,000 3,000  7,000 -14,000   59,000 132,000 -89,000  58,000 133,000 91,000 -19,000 13,000 -73,000  46,000 362,000 271,000 -25,000 -424,000 462,000 -313,000 -44,000          -16,250 -55,000 33,000                                           
      comprehensive income
    29,368,000 -116,057,000 -1,031,000 -187,488,000 7,090,000 16,419,000 17,412,000 12,676,000 53,307,000 60,956,000 84,256,000 81,947,000 92,226,000 124,132,000 145,101,000 115,892,000 74,034,000 66,773,000 70,354,000 9,315,000 26,053,000 22,267,000 12,918,000 27,541,000 23,647,000 28,780,000 34,021,000 35,671,000 28,051,000 35,620,000 42,662,000 41,180,000 28,055,000 31,156,000 32,054,000 26,713,000 27,567,000 26,297,000 25,445,000 20,627,000 33,334,000 15,826,000 12,277,000 10,008,000 8,574,000 7,156,000 7,621,000 8,320,000 8,531,000 8,371,000 7,656,000 7,078,000 5,803,000 -48,000 4,233,000                                          
      net income per common share:
                                                                                                    
      basic
    760 -3,020 -30 -4,910 180 430 450 370 1,390 1,560 2,030 1,920 2,110 2,780 3,110 2,440 1,550 1,400 1,480 200 550 470 270 590 500 620 730 760 590 750 890 860 590 650 670 550 570 550 540 420 710 330 260 125 180 150 160         -150 -670 20 50    20 -90 -60 130 -3,740 240 290 280 280 260 290 270 240 290 290 230 260 230 240 150 140        310 222.5 330    
      diluted
    760 -3,020 -30 -4,910 180 420 450 370 1,390 1,550 2,020 1,910 2,100 2,770 3,090 2,410 1,540 1,390 1,470 190 550 470 270 580 490 610 710 740 580 730 870 830 570 630 650 540 550 530 530 410 690 320 250 122.5 180 150 160         -150 -670 20 50    20 -90 -60 130 -3,740 240 280 270 280 270 290 260 230 290 280 210 240 210 220 140 130        290 200 300    
      weighted-average common shares outstanding:
                                                                                                    
      basic
    38,619,000 38,414,000 38,312,000 38,188,000 38,200,000 38,173,000 38,114,000 39,173,000 38,147,000 39,151,000 41,378,000 44,591,000 43,785,000 44,504,000 46,913,000 47,685,000 47,737,000 47,659,000 47,600,000 47,424,000 47,476,000 47,383,000 47,359,000 46,704,000 46,677,000 46,644,000 46,784,000 47,371,000 47,286,000 47,653,000 47,733,000 47,807,000 47,912,000 47,916,000 47,782,000 47,946,000 48,049,000 48,034,000 47,894,000 47,525,000 47,674,000 47,573,000 47,146,000 46,504,000 46,546,000 46,479,000 46,354,000 45,963,000 45,986,000 46,039,000 45,813,000 41,632,000 40,850,000 40,810,000 40,576,000 39,913,000 40,327,000 39,629,000 39,240,000 34,840,000 34,777,000 32,760,000 32,631,000 32,615,000 32,630,000 32,621,000 32,576,000 33,375,000 33,269,000 33,833,000 33,830,000 34,377,000 34,328,000 34,723,000 34,638,000 32,662,000 32,453,000 31,887,000 32,095,000 29,130,000 28,763,000 28,720,000 28,376,000 28,248,000 28,321,000 28,203,000 28,120,000 36,456,000    42,534,000     
      diluted
    38,693,000 38,414,000 38,312,000 38,188,000 38,287,000 38,234,000 38,197,000 39,341,000 38,325,000 39,341,000 41,570,000 44,870,000 44,039,000 44,740,000 47,208,000 48,045,000 48,080,000 48,019,000 47,916,000 47,690,000 47,676,000 47,562,000 47,641,000 47,593,000 47,607,000 47,424,000 47,772,000 48,668,000 48,529,000 48,936,000 49,116,000 49,430,000 49,445,000 49,475,000 49,520,000 49,267,000 49,410,000 49,348,000 49,103,000 48,843,000 48,978,000 48,863,000 48,364,000 48,086,000 48,122,000 47,836,000 47,917,000 47,787,000 47,810,000 47,837,000 47,679,000 46,709,000 46,897,000 40,810,000 46,164,000 45,951,000 40,327,000 45,981,000 45,842,000 34,840,000 34,777,000 33,566,000 33,471,000 32,615,000 32,630,000 32,918,000 32,576,000 33,811,000 33,894,000 34,308,000 34,180,000 34,880,000 34,745,000 35,273,000 35,283,000 34,504,000 33,995,000 34,170,000 34,712,000 32,118,000 31,673,000 31,576,000 31,461,000 31,369,000 31,407,000 31,332,000 31,294,000 39,785,000    46,805,000     
      other comprehensive loss:
                                                                                                    
      unrealized losses on available-for-sale securities, net, and other
                  -907,000                                                                                  
      other comprehensive loss
                  -907,000    -24,000   -58,000 -47,000    -101,000       -99,000                     -43,000                                          
      foreign currency translation and other
                   -325,000 11,000 3,000 -24,000 7,000 -14,000 -58,000 -47,000 59,000 132,000 -89,000 -101,000 58,000 133,000 91,000 -19,000 13,000 -73,000 -41,000 3,000 41,250 40,000                                                            
      cash flow hedge, net of income taxes
                                     -58,000                                                               
      unrealized gain on cash flow hedge, net of income taxes
                                      43,000 260,000 231,000 -111,000    36,000                                                       
      foreign currency translation
                                         86,000 39,000 33,000 54,000 -80,000                                                       
      unrealized loss on cash flow hedge, net of income taxes
                                          -463,000 -82,750 -367,000                                                        
      interest expense, net (including loss on debt extinguishment of 3,113 for the nine months ended september 30, 2014), and other
                                           1,449,250 2,013,000                                                        
      interest expense, net (including loss on debt extinguishment of 3,113 for both the three and six months ended june 30, 2014), and other
                                             1,977,000                                                       
      other comprehensive income - foreign currency translation
                                              68,000 113,000 75,000 -37,000 -9,000   -28,000 93,000                                              
      interest expense, net (including loss on debt extinguishment of 3,113 and 434 for the nine months ended september 30, 2014 and 2013, respectively), and other
                                               1,977,000 1,433,000                                                    
      interest expense, net (including loss on debt extinguishment of 3,113 and 434 for both the three and six months ended june 30, 2014 and 2013, respectively) and other
                                                 4,629,000                                                   
      interest expense, net and other
                                                  1,846,000                                                  
      interest expense
                                                   1,836,000 1,840,000 3,130,000 2,859,000 3,208,000 3,688,000 13,590,000 5,533,000 5,604,000 7,023,000 5,589,000 5,511,000 5,758,000 8,793,000 2,583,000 2,637,000 5,373,000 2,063,000 2,320,000 2,199,000 2,669,000 2,550,000 2,660,000 2,811,000 2,928,000 3,071,000 3,124,000 3,334,000 4,032,000 4,174,000 4,345,000 4,147,000 1,249,500 1,509,000 1,733,000 1,756,000 1,786,000 2,402,000 2,118,000 2,134,000   114,000 83,000 -126,000 -66,000 -9,000 -142,000  
      income from continuing operations before income taxes
                                                   14,189,000 14,905,000 13,492,000 13,251,000 10,901,000 10,085,000 -473,000 6,810,000                                          
      income from continuing operations
                                                   8,356,000 8,615,000 8,399,000 7,563,000 7,083,000 5,858,000 -81,000 3,453,000                                          
      income from discontinued operations, net of tax
                                                          823,000                                          
      basic income per common share from:
                                                                                                    
      continuing operations
                                                   190 190 180 170 160 130  70                                          
      discontinued operations
                                                          20                                          
      diluted income per common share from:
                                                                                                    
      other comprehensive loss - foreign currency translation
                                                   -4,750 -84,000                                                
      income tax benefit
                                                         -392,000  4,779,000 -399,000   1,860,750 9,516,000  1,379,000   3,549,000 -48,554,000                              
      impairment charges
                                                           7,799,500 31,198,000          175,707,000                              
      impairment and restructuring charges
                                                               1,050,000 49,782,000                                    
      net loss per common share:
                                                                                                    
      basic
                                                               -380 -1,480                                    
      diluted
                                                               -380 -1,480                                    
      restructuring charges
                                                                    6,200,000 2,152,000 2,918,000                              
      selling, general and administrative, excluding non-cash stock-based compensation
                                                                                   39,106,000 25,158,000 26,674,000 26,246,000 26,420,000 26,395,000 24,023,000 24,598,000 16,754,000 22,167,000 22,012,000 22,837,000 25,485,000 25,049,000 24,407,000   
      non-cash stock-based compensation
                                                                                   21,000 40,000 41,000 40,000 95,000 218,000 219,000 218,000 219,000 218,000 219,000 218,000 219,000 219,000 218,000 218,000  
      expenses:
                                                                                                    
      amortization
                                                                                       53,750 37,000 89,000 89,000 94,000 95,000 96,000 95,000 97,000 98,000 92,000 82,000  
      depreciation
                                                                                       1,052,750 1,388,000 1,447,000 1,376,000 1,257,000 1,108,000 1,054,000 1,020,000 1,205,000 837,000 737,000 691,000  
      total expenses
                                                                                       20,024,250 28,038,000 25,778,000 26,281,000 27,054,000 23,588,000 23,381,000 24,170,000 27,006,000 26,203,000 25,593,000   
      basic and diluted net income per common share:
                                                                                                    
      basic
                                                                                       112.5 140 150           
      diluted
                                                                                       102.5 130 140           
      basis and diluted net income per common share:
                                                                                                    
      basic net income per common share
                                                                                          160 212.5 250 290    290   
      diluted net income per common share
                                                                                          150 195 220 270    260   
      transaction costs
                                                                                                 139,000   
      interest income
                                                                                           72,250 92,000        
      basic and diluted net income per common share:
                                                                                                    
      weighted-average common shares outstanding—basic
                                                                                            37,881,000 38,287,000 39,834,000  42,989,000 42,596,000   
      weighted-average common shares outstanding—diluted
                                                                                            41,393,000 41,767,000 42,999,000  47,054,000 47,402,000   
      selling, general and administrative, excluding non-cash stock-based compensation
                                                                                                  22,725,000  
      weighted-average common shares outstanding — basic
                                                                                                  42,290,000  
      weighted-average common shares outstanding — diluted
                                                                                                  46,991,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 
                                                                                                      
        assets
                                                                                                      
        current assets:
                                                                                                      
        cash and cash equivalents
      52,636,000 41,503,000 55,777,000 10,649,000 30,550,000 48,038,000 50,560,000 32,935,000 29,377,000 7,013,000 28,516,000 64,524,000 155,723,000 79,357,000 113,482,000 180,928,000 137,041,000 139,494,000 78,325,000 29,213,000 58,419,000 43,067,000 97,509,000 82,985,000 40,748,000 20,937,000 19,116,000 13,856,000 18,614,000 22,894,000 54,499,000 15,147,000 19,625,000 22,878,000 37,711,000 10,622,000 15,708,000 21,062,000 23,106,000 9,576,000 14,408,000 14,474,000 11,633,000 13,073,000 9,663,000 5,501,000 9,269,000 15,580,000 31,653,000 10,519,000 1,939,000 5,681,000 3,823,000 15,498,000 4,901,000 3,962,000 4,643,000 7,924,000 3,934,000 1,883,000 2,077,000 41,368,000 36,567,000 27,053,000 22,621,000 23,488,000 16,675,000 11,316,000 7,805,000 8,356,000 7,835,000 18,495,000 6,170,000 17,527,000 10,221,000 4,422,000 3,511,000 4,888,000 10,320,000 19,110,000 14,739,000 14,838,000 10,518,000 3,908,000 9,207,000 13,831,000 6,764,000 4,687,000 56,077,000 43,507,000 28,633,000 40,135,000 58,891,000 30,775,000 25,288,000 15,654,000 
        accounts receivable
      391,100,000 387,768,000 421,869,000 437,817,000 451,062,000 508,913,000 578,647,000 623,488,000 565,724,000 579,926,000 687,645,000 675,650,000 724,966,000 781,404,000 979,709,000 789,131,000 570,101,000 468,299,000 562,163,000 376,099,000 352,746,000 366,574,000 376,528,000 352,685,000 354,742,000 369,372,000 365,231,000 365,871,000 366,436,000 354,781,000 338,600,000 350,496,000 343,596,000 334,597,000 334,782,000 341,977,000 331,220,000 330,853,000 302,342,000 277,996,000 248,779,000 229,999,000 221,001,000 186,274,000 164,078,000 151,505,000 150,840,000 147,477,000 144,933,000 149,798,000 156,750,000 142,510,000 141,881,000 136,535,000 141,615,000 146,654,000 143,938,000 138,954,000 137,634,000 127,464,000 128,247,000 89,746,000 89,085,000 89,498,000 96,410,000 114,542,000 148,376,000 182,562,000 191,053,000 198,201,000 199,091,000 184,741,000 194,694,000 195,213,000 187,925,000 192,716,000 180,410,000 156,936,000 152,917,000 154,926,000 107,484,000 107,862,000 110,215,000 108,825,000 108,152,000 111,024,000 121,968,000 117,392,000 113,106,000 113,340,000 130,684,000 134,456,000 129,246,000 131,403,000 125,517,000 105,416,000 
        accounts receivable, subcontractor
      51,610,000 59,102,000 65,307,000 70,481,000 68,566,000 81,296,000 97,516,000 117,703,000 175,976,000 168,231,000 276,655,000 268,726,000 253,954,000 247,707,000 290,311,000 239,719,000 141,626,000 130,409,000 138,367,000 73,985,000 56,300,000 58,469,000 75,938,000 72,714,000 62,752,000 50,058,000 55,607,000 50,143,000 44,891,000 34,657,000 39,027,000 41,012,000 37,200,000 36,631,000 48,838,000 49,233,000 42,094,000 46,326,000 49,858,000 50,807,000 49,521,000 36,909,000 34,191,000 28,443,000 21,569,000 22,512,000 18,680,000 18,271,000 18,869,000 15,728,000 19,332,000 18,467,000 19,686,000 21,996,000 23,340,000 22,497,000 17,441,000 15,702,000 15,824,000 17,082,000 15,778,000 7,309,000                                   
        prepaid expenses
      18,088,000 18,612,000 24,645,000 22,510,000 17,073,000 19,673,000 25,281,000 21,889,000 18,364,000 17,965,000 26,696,000 18,708,000 17,019,000 27,430,000 39,087,000 72,460,000 19,367,000 17,861,000 19,819,000 13,629,000 15,647,000 15,547,000 19,950,000 11,669,000 11,325,000 13,966,000 17,724,000 12,409,000 14,540,000 18,888,000 18,880,000 16,505,000 15,832,000 17,153,000 19,498,000 14,189,000 13,928,000 15,746,000 16,008,000 13,526,000 12,818,000            7,755,000 7,301,000 8,298,000 5,691,000 6,032,000 7,382,000 9,334,000 6,969,000 7,183,000 6,595,000 7,152,000 6,550,000 6,748,000 8,867,000 10,585,000 9,523,000 10,121,000 12,787,000 12,820,000 9,583,000 10,665,000 11,200,000 11,667,000 10,452,000 11,212,000 10,233,000 13,611,000 12,763,000 11,036,000 10,713,000 12,046,000 11,703,000 11,235,000 12,342,000 15,882,000 14,027,000 12,765,000 14,156,000 15,499,000 11,897,000 10,326,000 9,556,000 8,493,000 7,810,000 
        other current assets
      56,889,000 64,366,000 59,759,000 53,458,000 45,015,000 46,837,000 38,742,000 45,670,000 41,679,000 34,101,000 51,552,000 66,037,000 54,504,000 54,324,000 56,177,000 66,830,000 31,396,000 34,040,000 31,683,000 40,809,000 30,591,000 34,982,000 30,669,000 40,446,000 37,365,000 35,535,000 31,209,000 39,887,000 35,358,000 37,301,000 38,364,000 50,993,000 26,220,000 29,785,000 31,395,000 34,607,000 30,707,000 28,586,000 21,648,000 23,723,000 25,077,000            6,497,000 5,855,000 6,878,000 3,652,000 3,250,000 2,798,000 2,293,000 1,933,000 1,209,000 1,209,000 6,039,000 1,902,000 2,782,000 2,911,000 3,376,000 4,901,000 4,233,000 2,797,000 2,118,000 2,048,000 2,014,000 1,992,000 2,164,000 1,990,000 2,059,000 2,086,000 2,182,000 1,848,000 1,965,000 1,569,000 1,780,000 1,759,000 3,119,000 1,659,000 1,566,000 1,835,000 1,696,000 2,293,000 2,180,000 2,165,000 2,740,000 2,703,000 2,327,000 1,943,000 
        total current assets
      570,323,000 571,351,000 627,357,000 594,915,000 612,266,000 704,757,000 790,746,000 841,685,000 831,120,000 807,236,000 1,071,064,000 1,093,645,000 1,206,166,000 1,190,222,000 1,478,766,000 1,349,068,000 899,531,000 790,103,000 830,357,000 533,735,000 513,703,000 518,639,000 600,594,000 560,499,000 506,932,000 489,868,000 488,887,000 482,166,000 479,839,000 468,521,000 489,370,000 474,153,000 442,473,000 441,044,000 472,224,000 450,628,000 433,657,000 442,573,000 412,962,000 375,628,000 368,981,000 343,368,000 322,356,000 282,670,000 249,124,000 235,163,000 228,474,000 230,099,000 226,280,000 210,230,000 217,214,000 203,744,000 193,650,000 205,123,000 201,851,000 212,473,000 197,452,000 193,475,000 190,982,000 179,261,000 169,622,000 157,427,000 150,112,000 137,437,000 148,474,000 169,318,000 205,877,000 229,827,000 242,396,000 251,271,000 249,945,000 242,951,000 238,306,000 250,917,000 235,266,000 235,855,000 221,186,000 209,283,000 217,452,000 228,263,000 136,996,000 136,971,000 136,251,000 127,405,000 131,713,000 138,856,000 146,180,000 137,941,000 183,644,000 173,296,000 176,996,000 188,653,000 212,319,000 187,888,000   
        restricted cash, cash equivalents and investments
      44,362,000 44,141,000 45,070,000 71,840,000 72,167,000 71,749,000 71,912,000 68,845,000 69,995,000 71,564,000 67,594,000 61,218,000 64,883,000 61,744,000 65,904,000 64,482,000 63,603,000 63,441,000 62,319,000 61,347,000 60,898,000 56,362,000 60,873,000 62,170,000 59,165,000 65,919,000 61,279,000 59,331,000 59,453,000 61,839,000 60,236,000 64,315,000 34,380,000 33,882,000 29,141,000 31,287,000 28,222,000    25,425,000 21,698,000 19,772,000 19,567,000 21,012,000 20,606,000 21,641,000 23,115,000 22,039,000 20,960,000 18,801,000 18,861,000    18,244,000                                         
        fixed assets, net of accumulated depreciation of 397,204 and 360,795 at september 30, 2025 and december 31, 2024, respectively
      146,979,000                                                                                                
        other assets
      276,764,000 257,979,000 253,670,000 258,053,000 267,266,000 256,951,000 252,397,000 236,796,000 220,512,000 219,781,000 197,325,000 155,750,000 152,970,000 148,570,000 166,018,000 156,670,000 157,909,000 145,463,000 141,255,000 135,120,000 125,831,000 120,910,000 104,829,000 120,254,000 115,482,000 109,909,000 105,590,000 96,152,000 93,206,000 83,034,000 84,112,000 74,366,000 73,962,000 71,594,000 65,368,000 57,534,000 57,296,000 54,759,000 52,993,000 47,569,000 46,634,000 45,210,000 44,117,000 39,895,000 40,045,000 37,502,000 26,667,000 23,023,000 23,002,000                                                
        deferred income taxes
      42,637,000 59,537,000 31,637,000 25,829,000 17,270,000 20,551,000 15,472,000 23,350,000 31,296,000 6,986,000 16,113,000 22,713,000 42,159,000 51,010,000 66,340,000 47,814,000 61,187,000 63,748,000 68,920,000 67,205,000 79,681,000 87,649,000 104,262,000 46,618,000 46,356,000 39,273,000 20,079,000 27,326,000 24,651,000 19,863,000 21,922,000 27,036,000 11,899,000 12,387,000 16,548,000 21,420,000 28,278,000 30,921,000 22,514,000  18,378,000 27,362,000 26,466,000 27,330,000 24,970,000 27,983,000 24,867,000 24,938,000 17,642,000 18,683,000 17,794,000 18,123,000 11,685,000 14,833,000 13,213,000 19,335,000 19,938,000 18,701,000 18,692,000 20,170,000 11,706,000 8,534,000 8,534,000 8,534,000 17,805,000 18,085,000 22,417,000 18,085,000 28,081,000 28,081,000 28,081,000 28,084,000 24,763,000 24,985,000 23,289,000 26,275,000 18,369,000 25,638,000 27,917,000 31,305,000 1,772,000 1,989,000 1,692,000 1,210,000 832,000 4,102,000 5,384,000 6,071,000 9,761,000 9,761,000 11,361,000 12,111,000 16,432,000 16,432,000 19,385,000 19,406,000 
        goodwill
      755,809,000 755,809,000 897,456,000 897,456,000 1,116,815,000 1,116,307,000 1,114,757,000 1,111,549,000 935,779,000 935,779,000 935,319,000 935,364,000 935,675,000 935,675,000 892,375,000 892,341,000 893,283,000 892,874,000 865,148,000 864,485,000 869,941,000 870,074,000 851,459,000 595,551,000 586,611,000 588,457,000 464,923,000 438,506,000 438,299,000 439,134,000 340,596,000 340,596,000 340,596,000 340,596,000 340,564,000 341,754,000 342,174,000 342,827,000 307,161,000 204,779,000 201,444,000 197,325,000 197,254,000 154,387,000 144,937,000 144,937,000 144,937,000 144,642,000 123,324,000 123,324,000 123,324,000 123,324,000 123,324,000 123,324,000 123,324,000 123,324,000 130,089,000 154,485,000 154,485,000 154,176,000 157,351,000 79,868,000 79,868,000 79,868,000 79,868,000 79,868,000 79,868,000 252,875,000 252,823,000 252,823,000 252,823,000 241,266,000 243,680,000 243,680,000 240,939,000 240,719,000 240,324,000 241,307,000 241,132,000 240,844,000 135,959,000 135,958,000 135,449,000 135,449,000 135,532,000 135,532,000 135,532,000 135,532,000 135,532,000 135,532,000 135,532,000 135,532,000 135,532,000 135,585,000 127,752,000 127,752,000 
        intangible assets, net of accumulated amortization of 545,432 and 534,822 at september 30, 2025 and december 31, 2024, respectively
      302,077,000                                                                                                
        total assets
      2,138,951,000 2,212,221,000 2,395,123,000 2,415,727,000 2,667,816,000 2,771,327,000 2,873,597,000 2,924,394,000 2,654,766,000 2,644,143,000 2,881,063,000 2,888,351,000 3,018,261,000 3,008,780,000 3,248,672,000 3,131,906,000 2,708,997,000 2,632,443,000 2,643,122,000 2,353,507,000 2,344,865,000 2,364,816,000 2,460,133,000 1,931,646,000 1,861,074,000 1,856,088,000 1,637,825,000 1,492,721,000 1,490,402,000 1,473,263,000 1,272,552,000 1,253,957,000 1,191,390,000 1,188,970,000 1,211,047,000 1,186,881,000 1,169,769,000 1,180,438,000 1,094,501,000 880,432,000 865,238,000 826,152,000 800,050,000 681,916,000 628,818,000 611,692,000 594,436,000 592,234,000 544,177,000 527,584,000 531,165,000 517,386,000 510,773,000 523,205,000 523,963,000 535,631,000 537,402,000 567,280,000 571,036,000 562,110,000 561,967,000 402,204,000 399,107,000 389,004,000 378,948,000 403,014,000 440,202,000 642,817,000 658,559,000 666,722,000 665,630,000 633,626,000 632,070,000 645,987,000 621,894,000 622,181,000 606,617,000 598,115,000 608,858,000 618,387,000 297,864,000 297,727,000 295,159,000 286,960,000 291,965,000 303,304,000 311,940,000 304,532,000 349,937,000 336,790,000 339,474,000 348,774,000 377,051,000 352,360,000   
        liabilities and stockholders’ equity
                                                                                                      
        current liabilities:
                                                                                                      
        accounts payable and accrued expenses
      171,135,000 175,623,000 195,974,000 184,311,000 213,206,000 283,176,000 316,016,000 343,847,000 362,907,000 327,538,000 473,764,000 476,452,000 459,237,000 458,985,000 497,297,000 425,257,000 284,094,000 260,894,000 271,903,000 167,881,000 152,935,000 144,824,000 175,188,000 156,140,000 139,505,000 124,672,000 153,566,000 149,603,000 142,543,000 123,105,000 122,402,000 130,319,000 117,934,000 118,943,000 136,028,000 137,512,000 118,289,000 131,965,000 109,121,000 118,822,000 113,152,000 101,578,000 92,081,000 78,993,000 66,949,000 65,130,000 62,685,000 69,407,000 54,842,000 52,374,000 56,721,000 52,619,000 43,564,000 50,711,000 51,417,000 49,809,000 47,198,000 42,930,000 46,682,000 45,867,000 39,725,000 28,294,000 24,493,000 18,057,000 18,929,000 20,837,000 24,667,000 24,420,000 28,126,000 28,987,000 28,624,000 22,231,000 21,930,000 21,632,000 21,954,000 20,273,000 22,582,000 22,799,000 20,498,000 19,092,000 12,794,000 14,516,000 12,848,000 13,084,000 14,393,000 10,752,000 11,055,000 12,954,000 9,767,000 11,376,000 12,194,000 12,738,000 13,303,000 11,816,000 7,373,000 5,625,000 
        accrued compensation and benefits
      293,182,000 274,631,000 269,497,000 287,544,000 281,683,000 268,354,000 280,513,000 278,536,000 263,697,000 261,629,000 269,237,000 333,244,000 338,833,000 416,375,000 446,899,000 354,381,000 321,938,000 288,195,000 282,981,000 213,414,000 184,736,000 171,007,000 153,018,000 170,932,000 157,950,000 149,937,000 135,792,000 135,059,000 135,632,000 130,258,000 117,415,000 121,423,000 111,984,000 107,283,000 99,642,000 107,993,000 99,629,000 102,516,000 98,049,000 83,701,000 88,492,000 76,581,000 72,237,000 67,995,000 64,574,000 56,046,000 55,833,000 54,825,000 54,220,000 46,871,000 49,393,000 49,443,000 49,246,000 43,023,000 43,717,000 43,649,000 43,500,000 45,912,000 45,760,000 38,060,000 42,290,000 27,405,000 28,178,000 24,054,000 29,431,000 31,941,000 36,728,000 44,871,000 49,976,000 48,855,000 47,328,000 43,446,000 44,881,000 43,116,000 41,363,000 42,585,000 43,167,000 35,696,000 32,183,000 32,208,000 32,637,000 39,081,000 41,938,000 29,970,000 37,262,000 33,629,000 36,302,000 32,117,000 35,770,000 33,761,000 37,168,000 34,488,000 35,622,000 31,079,000 28,632,000 23,965,000 
        other current liabilities
      77,845,000 123,389,000 116,778,000 73,930,000 23,657,000 22,360,000 27,374,000 33,738,000 80,522,000 84,548,000 60,600,000 28,322,000 69,890,000 58,648,000 178,598,000 162,419,000 2,854,000 2,626,000 13,911,000 10,938,000 11,884,000 33,653,000 11,383,000 25,302,000 18,090,000 14,344,000 20,112,000 10,243,000 11,806,000 16,261,000 2,616,000 5,146,000 5,440,000 12,387,000 29,428,000 16,611,000 9,962,000 9,728,000 23,998,000 5,374,000 6,026,000 10,466,000 2,662,000 2,630,000 8,746,000 4,097,000 5,212,000 6,060,000 6,251,000 6,924,000 7,056,000 7,463,000 5,698,000 5,181,000 5,539,000 8,313,000 6,812,000 7,241,000 7,626,000 8,437,000 8,308,000 9,055,000 10,042,000 10,404,000 14,502,000 15,892,000 15,060,000 14,722,000 14,567,000 17,109,000 25,652,000 25,691,000 26,007,000 26,015,000 26,143,000 25,731,000 25,891,000 24,324,000 24,580,000 59,018,000 413,000 413,000 355,000 351,000 410,000 373,000 399,000 385,000 347,000 296,000 1,257,000 1,238,000 1,093,000 1,115,000 4,229,000 4,229,000 
        total current liabilities
      542,162,000 573,643,000 582,249,000 545,785,000 518,546,000 573,890,000 623,903,000 656,121,000 707,126,000 673,715,000 803,601,000 857,933,000 891,246,000 957,379,000 1,147,581,000 969,390,000 641,186,000 582,563,000 598,994,000 422,957,000 386,168,000 384,536,000 373,060,000 378,105,000 343,909,000 316,824,000 333,270,000 307,270,000 303,088,000 283,239,000 251,179,000 265,272,000 244,967,000 266,328,000 277,688,000 274,790,000 240,076,000 301,604,000 290,854,000 251,017,000 250,114,000 231,630,000 207,617,000 178,295,000 147,769,000 139,273,000 141,230,000 140,292,000 115,313,000 111,169,000 114,170,000 109,525,000 115,546,000 121,027,000 105,533,000 140,052,000 128,686,000 127,359,000 126,950,000 117,893,000 113,626,000 79,022,000 74,746,000 63,099,000 79,111,000 89,844,000 103,983,000 141,272,000 152,546,000 145,670,000 148,541,000 128,556,000 123,693,000 121,481,000 112,267,000 120,967,000 110,205,000 109,015,000 105,082,000 128,178,000 51,698,000 59,256,000 63,520,000 50,151,000 57,036,000 50,905,000 64,525,000 60,959,000 57,206,000 51,568,000 60,574,000 51,348,000 58,615,000 47,383,000   
        revolving credit facility
       70,000,000 150,000,000 210,000,000 285,000,000 345,000,000 425,000,000 460,000,000 95,000,000 190,000,000 140,000,000        55,000,000  40,000,000 100,000,000 225,000,000  146,000,000 196,000,000 150,000,000 120,000,000 150,000,000 155,000,000       182,500,000 166,500,000 127,500,000 52,500,000 45,500,000 55,500,000 65,500,000 18,000,000  6,500,000 10,000,000 10,000,000   1,000,000     3,000,000 3,000,000 5,000,000 2,300,000        6,500,000 31,500,000 36,500,000 24,500,000 13,500,000                          
        notes payable, net of unamortized fees and premium
      846,759,000 846,463,000 846,167,000 845,872,000 845,576,000 845,280,000 844,984,000 844,688,000 844,393,000 844,097,000 843,801,000 843,505,000 843,210,000 842,914,000 842,618,000 842,322,000 842,027,000 841,731,000 841,435,000 857,961,000 854,533,000                                                                            
        other long-term liabilities
      105,621,000 107,887,000 101,656,000 107,450,000 110,759,000 109,747,000 110,047,000 108,979,000 159,782,000 163,048,000 121,774,000 111,206,000 98,228,000 105,647,000 99,163,000 96,989,000 107,115,000 106,858,000 110,499,000 107,907,000 95,736,000 73,615,000 61,735,000 61,813,000 59,656,000 59,586,000 63,746,000 78,528,000 77,527,000 78,192,000 80,201,000 79,279,000 82,673,000 82,301,000 81,494,000 82,096,000 86,949,000 84,495,000 83,076,000 78,134,000 75,409,000 80,638,000 83,972,000 77,674,000 96,881,000 98,188,000 87,098,000 85,528,000 71,976,000 69,967,000 67,279,000 67,572,000 64,026,000 62,567,000 62,775,000 61,646,000 62,484,000 61,922,000 62,313,000 61,575,000 61,118,000 52,488,000 52,664,000 54,151,000 57,277,000 56,592,000 59,532,000 58,710,000 55,289,000 41,201,000 41,806,000 37,498,000 35,700,000 33,863,000 29,655,000 26,824,000 27,908,000 27,290,000 25,705,000 37,127,000 5,462,000 5,180,000 3,502,000 3,173,000 2,854,000 2,520,000 2,964,000 1,976,000 1,887,000 1,440,000 1,554,000 1,602,000   1,608,000 1,562,000 
        total liabilities
      1,494,542,000 1,604,625,000 1,680,072,000 1,709,107,000 1,777,151,000 1,894,468,000 2,019,406,000 2,093,138,000 1,837,597,000 1,877,846,000 1,925,289,000 1,844,717,000 1,885,628,000 1,969,436,000 2,167,740,000 1,969,879,000 1,666,519,000 1,666,061,000 1,749,062,000 1,533,830,000 1,537,792,000 1,587,410,000 1,711,053,000 1,194,904,000 1,155,970,000 1,175,648,000 987,839,000 853,731,000 875,682,000 856,519,000 673,336,000 691,430,000 659,191,000 680,478,000 734,242,000 737,498,000 736,596,000 777,539,000 720,690,000 532,572,000 541,273,000 538,114,000 529,287,000 425,335,000 383,400,000 378,086,000 369,555,000 374,492,000 335,905,000 329,660,000 339,695,000 335,275,000 337,568,000 357,315,000 359,302,000 375,896,000 376,937,000 381,609,000 385,835,000 380,279,000 379,790,000 227,233,000 225,131,000 218,160,000 207,428,000 231,599,000 275,065,000 358,684,000 383,277,000 370,348,000 378,612,000 357,498,000 367,006,000 374,426,000 362,375,000 377,635,000 382,156,000 399,880,000 389,988,000 425,187,000 144,233,000 151,223,000 153,360,000 150,184,000 160,135,000 175,925,000 191,489,000 188,435,000 59,093,000 53,008,000 62,128,000 52,950,000 60,386,000 50,144,000   
        commitments and contingencies
                                                                                                      
        stockholders’ equity:
                                                                                                      
        preferred stock, 0.01 par value...
                                                                                                      
        common stock, 0.01 par value...
      509,000 509,000 508,000 507,000 506,000 506,000 505,000 504,000 504,000 503,000 502,000 501,000 501,000 500,000 500,000 498,000 498,000 498,000 497,000 496,000 495,000 495,000 494,000 493,000 493,000 492,000 491,000 488,000 488,000 488,000 488,000 484,000 484,000 484,000 483,000 481,000 480,000 480,000 480,000 477,000 477,000 476,000 475,000 466,000 466,000 465,000 464,000 460,000 460,000 462,000 460,000 457,000 411,000 409,000 407,000 405,000 404,000 397,000 394,000 392,000 523,000 459,000 458,000 458,000 458,000 458,000 457,000 457,000 457,000 457,000 454,000 454,000 454,000 454,000 453,000 452,000 446,000 444,000 443,000 437,000 436,000 436,000 434,000 432,000 432,000 432,000 430,000 430,000 430,000 430,000 430,000 430,000 430,000 430,000   
        additional paid-in capital
      553,978,000 546,533,000 537,932,000 528,471,000 525,029,000 518,313,000 512,065,000 506,543,000 505,170,000 467,387,000 505,857,000 501,674,000 497,744,000 496,682,000 488,535,000 486,709,000 480,364,000 478,302,000 472,754,000 468,726,000 465,438,000 461,824,000 455,766,000 455,193,000 451,096,000 450,080,000 447,632,000 452,730,000 449,868,000 448,084,000 445,285,000 453,351,000 451,136,000 448,716,000 447,857,000 452,491,000 449,733,000 447,028,000 444,236,000 443,733,000 440,465,000 437,873,000 436,425,000 434,529,000 433,373,000 430,137,000 428,569,000 429,055,000 427,905,000 427,119,000 425,992,000 424,292,000 399,879,000 396,946,000 395,649,000 394,958,000 392,960,000 387,974,000 387,871,000 386,550,000 450,661,000 420,895,000 420,042,000 417,693,000 416,720,000 414,803,000 413,100,000 410,425,000 408,142,000 405,130,000 399,360,000 397,237,000 394,656,000 392,176,000 389,673,000 382,098,000 376,321,000 366,404,000 361,321,000 355,762,000 354,549,000 354,349,000 353,322,000 352,456,000 352,291,000 351,535,000 349,813,000 349,595,000 353,249,000 352,978,000 352,759,000 352,541,000 352,624,000 352,467,000 345,976,000 345,821,000 
        treasury stock
      -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,043,000 -1,127,081,000 -1,086,862,000 -874,898,000 -698,598,000 -523,722,000 -523,722,000 -349,855,000 -121,831,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -119,143,000 -118,368,000 -100,438,000 -86,175,000 -54,316,000 -33,425,000 -33,425,000 -20,358,000 -13,590,000 -13,261,000 -13,261,000              -3,046,000           -230,138,000 -230,138,000 -230,138,000 -230,138,000 -230,138,000 -230,138,000 -230,138,000 -230,138,000 -230,138,000 -208,140,000 -201,692,000 -201,692,000 -201,692,000 -183,182,000 -183,182,000 -183,182,000 -189,286,000 -218,800,000 -198,435,000 -210,529,000 -249,538,000 -249,538,000 -249,538,000 -249,538,000 -249,538,000 -249,538,000 -249,539,000 -249,428,000 -73,652,000 -71,167,000 -66,199,000 -35,164,000     
        retained earnings
      1,216,690,000 1,187,402,000 1,303,604,000 1,304,696,000 1,492,229,000 1,485,240,000 1,469,003,000 1,451,675,000 1,439,186,000 1,386,012,000 1,325,106,000 1,240,996,000 1,159,199,000 1,066,754,000 942,954,000 796,946,000 680,729,000 606,706,000 539,936,000 469,558,000 460,250,000 434,183,000 411,858,000 400,047,000 372,565,000 349,050,000 320,181,000 286,059,000 250,446,000 222,528,000 186,999,000 142,229,000 101,062,000 72,934,000 41,679,000 9,671,000                            -16,712,000 -13,990,000 -11,995,000 -16,369,000 105,465,000 97,841,000 99,919,000 90,552,000 81,036,000 72,032,000 61,944,000 52,698,000 45,036,000 37,015,000 48,568,000 54,658,000 47,784,000 47,868,000 41,020,000 37,148,000 33,155,000 28,621,000 24,691,000 20,368,000 15,809,000 10,892,000 1,606,000       
        accumulated other comprehensive income
      275,000 195,000 50,000             -295,000 30,000 19,000 16,000 40,000 33,000 47,000 105,000 152,000 93,000 -39,000 50,000 151,000 93,000   -112,000 -125,000 -52,000 47,000 1,000                                    -907,000 -386,000 169,000 -123,000 142,000  1,619,000 883,000 -254,000 316,000 237,000 433,000 271,000 24,000 259,000           
        total stockholders’ equity
      644,409,000 607,596,000 715,051,000 706,620,000 890,665,000 876,859,000 854,191,000 831,256,000 817,169,000 766,297,000 955,774,000 1,043,634,000 1,132,633,000 1,039,344,000 1,080,932,000 1,162,027,000 1,042,478,000 966,382,000 894,060,000 819,677,000 807,073,000 777,406,000 749,080,000 736,742,000 705,104,000 680,440,000 649,986,000 638,990,000 614,720,000 616,744,000 599,216,000 562,527,000 532,199,000 508,492,000 476,805,000 449,383,000 433,173,000 402,899,000 373,811,000 347,860,000 323,965,000 288,038,000 270,763,000 256,581,000 245,418,000 233,606,000 224,881,000 217,742,000 208,272,000 197,924,000 191,470,000 182,111,000 150,574,000 141,836,000 140,585,000 135,659,000 136,077,000 157,951,000 157,033,000 153,455,000 153,538,000 174,971,000 173,976,000 170,844,000 171,520,000 171,415,000 165,137,000 284,133,000 275,282,000 296,374,000 287,018,000 276,128,000 265,064,000 271,561,000 259,519,000 244,546,000 224,461,000 198,235,000 218,870,000 193,200,000 153,631,000 146,504,000 141,799,000 136,776,000 131,830,000 127,379,000 120,451,000 116,097,000 290,844,000 283,782,000 277,346,000 295,824,000 316,665,000 302,216,000   
        total liabilities and stockholders’ equity
      2,138,951,000 2,212,221,000 2,395,123,000 2,415,727,000 2,667,816,000 2,771,327,000 2,873,597,000 2,924,394,000 2,654,766,000 2,644,143,000 2,881,063,000 2,888,351,000 3,018,261,000 3,008,780,000 3,248,672,000 3,131,906,000 2,708,997,000 2,632,443,000 2,643,122,000 2,353,507,000 2,344,865,000 2,364,816,000 2,460,133,000 1,931,646,000 1,861,074,000 1,856,088,000 1,637,825,000 1,492,721,000 1,490,402,000 1,473,263,000 1,272,552,000 1,253,957,000 1,191,390,000 1,188,970,000 1,211,047,000 1,186,881,000 1,169,769,000 1,180,438,000 1,094,501,000 880,432,000 865,238,000 826,152,000 800,050,000 681,916,000 628,818,000 611,692,000 594,436,000 592,234,000 544,177,000 527,584,000 531,165,000 517,386,000 510,773,000 523,205,000 523,963,000 535,631,000 537,402,000 567,280,000 571,036,000 562,110,000 561,967,000 402,204,000 399,107,000 389,004,000 378,948,000 403,014,000 440,202,000 642,817,000 658,559,000 666,722,000 665,630,000 633,626,000 632,070,000 645,987,000 621,894,000 622,181,000 606,617,000 598,115,000 608,858,000 618,387,000 297,864,000 297,727,000 295,159,000 286,960,000 291,965,000 303,304,000 311,940,000 304,532,000 349,937,000 336,790,000 339,474,000 348,774,000 377,051,000 352,360,000   
        fixed assets, net of accumulated depreciation of 380,284 and 360,795 at june 30, 2025 and december 31, 2024, respectively
       158,215,000                                                                                               
        assets held for sale
       42,671,000                                                      7,310,000                                         
        intangible assets, net of accumulated amortization of 524,991 and 534,822 at june 30, 2025 and december 31, 2024, respectively
       322,518,000                                                                                               
        liabilities held for sale
       6,632,000                                                                                               
        fixed assets, net of accumulated depreciation of 380,459 and 360,795 at march 31, 2025 and december 31, 2024, respectively
        177,996,000                                                                                              
        intangible assets, net of accumulated amortization of 554,249 and 534,822 at march 31, 2025 and december 31, 2024, respectively
        361,937,000                                                                                              
        fixed assets, net of accumulated depreciation of 360,795 and 285,081 at december 31, 2024 and 2023, respectively
         186,270,000                                                                                             
        intangible assets, net of accumulated amortization of 534,822 and 442,052 at december 31, 2024 and 2023, respectively
         381,364,000                                                                                             
        accumulated other comprehensive loss
         -11,000 -56,000 -157,000 -339,000 -423,000 -610,000 -743,000 -793,000 -939,000 -1,089,000 -870,000 -1,202,000               -40,000 -131,000      -361,000 -633,000 -607,000 -183,000 -645,000 -332,000 -288,000 -356,000 -468,000 -544,000 -507,000 -498,000 -462,000 -378,000 -350,000 -443,000 -438,000 -383,000 -416,000 -373,000 -391,000 -423,000 -422,000 -421,000 -423,000 -450,000 -454,000 -457,000 -1,530,000 -1,713,000 -1,913,000 -2,076,000 -1,020,000 -992,000 -1,656,000      -35,000          -621,000 -309,000 -75,000 -65,000 -60,000      
        fixed assets, net of accumulated depreciation of 341,040 and 285,081 at september 30, 2024 and december 31, 2023, respectively
          196,902,000                                                                                            
        intangible assets, net of accumulated amortization of 513,785 and 442,052 at september 30, 2024 and december 31, 2023, respectively
          402,400,000                                                                                            
        fixed assets, net of accumulated depreciation of 322,283 and 285,081 at june 30, 2024 and december 31, 2023, respectively
           197,059,000                                                                                           
        intangible assets, net of accumulated amortization of 491,681 and 442,052 at june 30, 2024 and december 31, 2023, respectively
           424,504,000                                                                                           
        fixed assets, net of accumulated depreciation of 304,689 and 285,081 at march 31, 2024 and december 31, 2023, respectively
            194,537,000                                                                                          
        intangible assets, net of accumulated amortization of 466,938 and 442,052 at march 31, 2024 and december 31, 2023, respectively
            449,248,000                                                                                          
        fixed assets, net of accumulated depreciation of 285,081 and 227,617 at december 31, 2023 and 2022, respectively
             191,385,000                                                                                         
        intangible assets, net of accumulated amortization of 442,052 and 361,327 at december 31, 2023 and 2022, respectively
             474,134,000                                                                                         
        fixed assets, net of accumulated depreciation of 268,131 and 227,617 at september 30, 2023 and december 31, 2022, respectively
              187,557,000                                                                                        
        intangible assets, net of accumulated amortization of 423,780 and 361,327 at september 30, 2023 and december 31, 2022, respectively
              409,803,000                                                                                        
        fixed assets, net of accumulated depreciation of 250,150 and 227,617 at june 30, 2023 and december 31, 2022, respectively
               177,417,000                                                                                       
        intangible assets, net of accumulated amortization of 401,217 and 361,327 at june 30, 2023 and december 31, 2022, respectively
               432,366,000                                                                                       
        fixed assets, net of accumulated depreciation of 233,942 and 227,617 at march 31, 2023 and december 31, 2022, respectively
                155,276,000                                                                                      
        intangible assets, net of accumulated amortization of 379,172 and 361,327 at march 31, 2023 and december 31, 2022, respectively
                454,485,000                                                                                      
        fixed assets, net of accumulated depreciation of 227,617 and 189,954 at december 31, 2022 and 2021, respectively
                 149,276,000                                                                                     
        operating lease right-of-use assets
                 16,266,000 18,505,000 20,318,000 21,144,000 27,771,000 36,487,000 72,641,000 74,746,000 77,735,000 81,082,000 85,119,000 87,217,000 89,866,000 92,257,000 95,247,000 97,055,000                                                                      
        intangible assets, net of accumulated amortization of 361,327 and 278,249 at december 31, 2022 and 2021, respectively
                 476,832,000                                                                                     
        current portion of operating lease liabilities
                 8,090,000 8,226,000 7,429,000 8,963,000 11,383,000 14,396,000 15,783,000 15,200,000 15,032,000 15,338,000 15,480,000 14,634,000 13,943,000 13,387,000 13,068,000 12,341,000                                                                      
        deferred revenue
                 11,825,000 15,060,000 15,942,000 15,824,000 15,950,000 17,904,000 15,065,000 14,999,000 11,004,000 11,900,000 11,759,000 12,587,000 11,788,000 11,227,000 11,053,000 11,459,000 12,365,000 13,107,000 13,615,000 8,746,000 8,384,000 9,609,000 9,644,000 8,840,000 8,924,000 8,446,000 6,145,000 8,436,000 5,620,000 4,944,000 5,505,000 3,137,000 3,177,000         1,507,000 1,782,000 1,635,000 2,155,000 2,585,000 3,586,000 4,845,000 7,191,000 7,701,000 6,018,000 5,158,000 5,084,000 5,404,000 5,699,000 6,204,000 7,184,000 7,971,000 8,006,000 8,322,000 7,647,000 7,364,000 6,705,000 6,023,000 6,397,000 7,533,000 8,000,000 7,889,000 7,610,000                 
        operating lease liabilities
                 9,360,000 10,785,000 12,486,000 12,038,000 13,364,000 15,004,000 71,161,000 74,214,000 77,800,000 81,674,000 85,504,000 88,090,000 91,209,000 94,150,000 97,355,000 99,946,000                                                                      
        fixed assets, net of accumulated depreciation of 212,702 and 189,954 at september 30, 2022 and december 31, 2021, respectively
                  140,995,000                                                                                    
        intangible assets, net of accumulated amortization of 339,092 and 278,249 at september 30, 2022 and december 31, 2021, respectively
                  499,067,000                                                                                    
        fixed assets, net of accumulated depreciation of 204,384 and 189,954 at june 30, 2022 and december 31, 2021, respectively
                   136,490,000                                                                                   
        intangible assets, net of accumulated amortization of 318,208 and 278,249 at june 30, 2022 and december 31, 2021, respectively
                   515,761,000                                                                                   
        fixed assets, net of accumulated depreciation of 200,173 and 189,954 at march 31, 2022 and december 31, 2021, respectively
                    129,652,000                                                                                  
        intangible assets, net of accumulated amortization of 297,897 and 278,249 at march 31, 2022 and december 31, 2021, respectively
                    494,813,000                                                                                  
        fixed assets, net of accumulated depreciation of 189,954 and 161,752 at december 31, 2021 and 2020, respectively
                     127,114,000                                                                                 
        intangible assets, net of accumulated amortization of 278,249 and 215,234 at december 31, 2021 and 2020, respectively
                     514,460,000                                                                                 
        current portion of notes payable
                         4,688,000 9,375,000 7,813,000 6,250,000  3,750,000 3,750,000         3,750,000 3,750,000 3,750,000 11,250,000 11,250,000 7,500,000 7,500,000 7,500,000 7,500,000 7,500,000 7,500,000 7,500,000 7,500,000   5,000,000   12,000,000 20,000,000 2,000,000 28,125,000 20,812,000 18,500,000 16,187,000 13,875,000 11,562,000 8,250,000 6,875,000 5,500,000 10,845,000 12,201,000 14,824,000 14,580,000 14,949,000 15,427,000 15,339,000 26,616,000 17,217,000 15,822,000 13,562,000 12,901,000 10,340,000 10,750,000 12,813,000 10,250,000 4,355,000 4,355,000 6,855,000 4,863,000 4,971,000 6,000,000 13,000,000 13,400,000         
        fixed assets, net of accumulated depreciation of 190,578 and 161,752 at september 30, 2021 and december 31, 2020, respectively
                      127,762,000                                                                                
        intangible assets, net of accumulated amortization of 262,253 and 215,234 at september 30, 2021 and december 31, 2020, respectively
                      530,422,000                                                                                
        fixed assets, net of accumulated depreciation of 179,799 and 161,752 at june 30, 2021 and december 31, 2020, respectively
                       121,487,000                                                                               
        intangible assets, net of accumulated amortization of 246,242 and 215,234 at june 30, 2021 and december 31, 2020, respectively
                       546,434,000                                                                               
        fixed assets, net of accumulated depreciation of 170,250 and 161,752 at march 31, 2021 and december 31, 2020, respectively
                        119,587,000                                                                              
        intangible assets, net of accumulated amortization of 230,436 and 215,234 at march 31, 2021 and december 31, 2020, respectively
                        549,710,000                                                                              
        fixed assets, net of accumulated depreciation of 161,752 and 132,900 at december 31, 2020 and 2019, respectively
                         116,174,000                                                                             
        intangible assets, net of accumulated amortization of 215,234 and 151,417 at december 31, 2020 and 2019, respectively
                         564,911,000                                                                             
        fixed assets, net of accumulated depreciation of 153,390 and 132,900 at september 30, 2020 and december 31, 2019, respectively
                          112,752,000                                                                            
        intangible assets, net of accumulated amortization of 199,488 and 151,417 at september 30, 2020 and december 31, 2019, respectively
                          580,658,000                                                                            
        fixed assets, net of accumulated depreciation of 145,850 and 132,900 at june 30, 2020 and december 31, 2019, respectively
                           113,975,000                                                                           
        intangible assets, net of accumulated amortization of 179,916 and 151,417 at june 30, 2020 and december 31, 2019, respectively
                           599,737,000                                                                           
        notes payable, less unamortized fees
                           856,106,000 858,906,000 617,159,000 465,899,000 466,610,000 320,798,000 320,607,000 320,416,000 320,225,000 320,034,000 319,843,000 319,652,000 319,462,000 358,512,000 359,192,000 198,793,000 194,019,000 196,746,000 128,490,000                                                         
        fixed assets, net of accumulated depreciation of 138,589 and 132,900 at march 31, 2020 and december 31, 2019, respectively
                            116,718,000                                                                          
        intangible assets, net of accumulated amortization of 164,848 and 151,417 at march 31, 2020 and december 31, 2019, respectively
                            638,443,000                                                                          
        fixed assets, net of accumulated depreciation of 132,900 and 114,413 at december 31, 2019 and 2018, respectively
                             104,832,000                                                                         
        intangible assets, net of accumulated amortization of 151,417 and 114,924 at december 31, 2019 and 2018, respectively
                             398,474,000                                                                         
        fixed assets, net of accumulated depreciation of 127,005 and 114,413 at september 30, 2019 and december 31, 2018, respectively
                              100,199,000                                                                        
        intangible assets, net of accumulated amortization of 140,342 and 114,924 at september 30, 2019 and december 31, 2018, respectively
                              400,428,000                                                                        
        fixed assets, net of accumulated depreciation of 121,354 and 114,413 at june 30, 2019 and december 31, 2018, respectively
                               97,249,000                                                                       
        intangible assets, net of accumulated amortization of 128,932 and 114,924 at june 30, 2019 and december 31, 2018, respectively
                               409,439,000                                                                       
        fixed assets, net of accumulated depreciation of 119,489 and 114,413 at march 31, 2019 and december 31, 2018, respectively
                                93,625,000                                                                      
        intangible assets, net of accumulated amortization of 121,575 and 114,924 at march 31, 2019 and december 31, 2018, respectively
                                326,466,000                                                                      
        fixed assets, net of accumulated depreciation of 114,413 and 97,889 at december 31, 2018 and 2017, respectively
                                 90,419,000                                                                     
        intangible assets, net of accumulated amortization of 114,924 and 90,685 at december 31, 2018 and 2017, respectively
                                 326,147,000                                                                     
        fixed assets, net of accumulated depreciation of 109,846 and 97,889 at september 30, 2018 and december 31, 2017, respectively
                                  86,817,000                                                                    
        intangible assets, net of accumulated amortization of 108,283 and 90,685 at september 30, 2018 and december 31, 2017, respectively
                                  332,788,000                                                                    
        fixed assets, net of accumulated depreciation of 105,275 and 97,889 at june 30, 2018 and december 31, 2017, respectively
                                   81,221,000                                                                   
        intangible assets, net of accumulated amortization of 101,557 and 90,685 at june 30, 2018 and december 31, 2017, respectively
                                   339,514,000                                                                   
        fixed assets, net of accumulated depreciation of 101,182 and 97,889 at march 31, 2018 and december 31, 2017, respectively
                                    75,530,000                                                                  
        intangible assets, net of accumulated amortization of 95,073 and 90,685 at march 31, 2018 and december 31, 2017, respectively
                                    222,708,000                                                                  
        fixed assets, net of accumulated depreciation of 97,889 and 84,865 at december 31, 2017 and 2016, respectively
                                     73,431,000                                                                 
        intangible assets, net of accumulated amortization of 90,685 and 72,057 at december 31, 2017 and 2016, respectively
                                     227,096,000                                                                 
        fixed assets, net of accumulated depreciation of 94,531 and 84,865 at september 30, 2017 and december 31, 2016, respectively
                                      68,188,000                                                                
        intangible assets, net of accumulated amortization of 85,990 and 72,057 at september 30, 2017 and december 31, 2016, respectively
                                      231,791,000                                                                
        current portion of notes payable, less unamortized fees
                                       18,071,000                                                               
        fixed assets, net of accumulated depreciation of 91,164 and 84,865 at june 30, 2017 and december 31, 2016, respectively
                                       65,368,000                                                               
        intangible assets, net of accumulated amortization of 81,295 and 72,057 at june 30, 2017 and december 31, 2016, respectively
                                       236,486,000                                                               
        fixed assets, net of accumulated depreciation of 87,843 and 84,865 at march 31, 2017 and december 31, 2016, respectively
                                        62,620,000                                                              
        intangible assets, net of accumulated amortization of 76,652 and 72,057 at march 31, 2017 and december 31, 2016, respectively
                                        241,130,000                                                              
        fixed assets, net of accumulated depreciation of 84,865 and 76,680 at december 31, 2016 and 2015, respectively
                                         59,954,000                                                             
        intangible assets, net of accumulated amortization of 72,057 and 53,747 at december 31, 2016 and 2015, respectively
                                         245,724,000                                                             
        current portion of revolving credit facility
                                           40,000,000 40,000,000 30,000,000 30,000,000 30,000,000 30,000,000                                                      
        fixed assets, net of accumulated depreciation of 84,940 and 76,680 at september 30, 2016 and december 31, 2015, respectively
                                          57,965,000                                                            
        intangible assets, net of accumulated amortization of 67,326 and 53,747 at september 30, 2016 and december 31, 2015, respectively
                                          250,455,000                                                            
        accumulated deficit
                                          -16,679,000 -43,976,000 -70,298,000 -96,167,000 -116,332,000 -149,979,000 -165,849,000 -178,058,000 -187,953,000 -196,452,000 -203,645,000 -211,275,000 -219,631,000 -226,233,000 -234,632,000 -242,195,000 -249,278,000 -255,136,000 -255,055,000 -259,331,000 -256,896,000 -229,997,000 -230,810,000 -233,066,000 -67,085,000 -15,795,000 -15,932,000                            -9,584,000 -21,983,000 -36,389,000 -50,681,000 -63,162,000 -74,339,000 
        restricted cash and cash equivalents
                                           28,490,000 27,176,000 27,352,000                 18,250,000 18,242,000 20,961,000 20,961,000 20,961,000 20,961,000 22,022,000 22,025,000                                 
        fixed assets, net of accumulated depreciation of 81,938 and 76,680 at june 30, 2016 and december 31, 2015, respectively
                                           56,575,000                                                           
        intangible assets, net of accumulated amortization of 62,588 and 53,747 at june 30, 2016 and december 31, 2015, respectively
                                           255,214,000                                                           
        fixed assets, net of accumulated depreciation of 79,108 and 76,680 at march 31, 2016 and december 31, 2015, respectively
                                            53,731,000                                                          
        intangible assets, net of accumulated amortization of 58,083 and 53,747 at march 31, 2016 and december 31, 2015, respectively
                                            240,478,000                                                          
        fixed assets, net of accumulated depreciation of 76,680 and 68,814 at december 31, 2015 and 2014, respectively
                                             50,134,000                                                         
        intangible assets, net of accumulated amortization of 53,747 and 41,963 at december 31, 2015 and 2014, respectively
                                             174,970,000                                                         
        commitments and contingencies and subsequent events
                                                                                                      
        fixed assets, net of accumulated depreciation of 74,460 and 68,814 at september 30, 2015 and december 31, 2014, respectively
                                              45,407,000                                                        
        intangible assets, net of accumulated amortization of 50,725 and 41,963 at september 30, 2015 and december 31, 2014, respectively
                                              177,347,000                                                        
        notes payable
                                              131,250,000 133,125,000 135,000,000                                                      
        prepaid and other current assets
                                               34,624,000 29,065,000 27,550,000 28,844,000 27,662,000 24,818,000 23,833,000 13,183,000 15,502,000 21,399,000 18,963,000                                             
        fixed assets, net of accumulated depreciation of 73,292 and 68,814 at june 30, 2015 and december 31, 2014, respectively
                                               41,621,000                                                       
        intangible assets, net of accumulated amortization of 47,769 and 41,963 at june 30, 2015 and december 31, 2014, respectively
                                               176,930,000                                                       
        fixed assets, net of accumulated depreciation of 71,019 and 68,814 at march 31, 2015 and december 31, 2014, respectively
                                                36,674,000                                                      
        intangible assets, net of accumulated amortization of 44,822 and 41,963 at march 31, 2015 and december 31, 2014, respectively
                                                179,877,000                                                      
        fixed assets, net of accumulated depreciation of 68,814 and 63,031 at december 31, 2014 and 2013, respectively
                                                 32,880,000                                                     
        intangible assets, net of accumulated amortization of 41,963 and 42,439 at december 31, 2014 and 2013, respectively
                                                 152,517,000                                                     
        notes payable, net of discount
                                                 136,875,000 138,750,000 140,625,000 141,227,000 148,672,000 148,616,000                                                
        fixed assets, net of accumulated depreciation of 67,857 and 63,031 at september 30, 2014 and december 31, 2013, respectively
                                                  29,202,000                                                    
        intangible assets, net of accumulated amortization of 40,022 and 42,439 at september 30, 2014 and december 31, 2013, respectively
                                                  144,498,000                                                    
        fixed assets, net of accumulated depreciation of 66,809 and 63,031 at june 30, 2014 and december 31, 2013, respectively
                                                   27,066,000                                                   
        intangible assets, net of accumulated amortization of 38,102 and 42,439 at june 30, 2014 and december 31, 2013, respectively
                                                   146,418,000                                                   
        fixed assets, net of accumulated depreciation of 64,849 and 63,031 at march 31, 2014 and december 31, 2013, respectively
                                                    24,400,000                                                  
        intangible assets, net of accumulated amortization of 44,319 and 42,439 at march 31, 2014 and december 31, 2013, respectively
                                                    148,317,000                                                  
        fixed assets
                                                     21,158,000 17,405,000 16,826,000 15,336,000 14,815,000 14,968,000 15,248,000 15,918,000 16,863,000 18,134,000 19,231,000 20,797,000 21,777,000 23,195,000 17,103,000 18,538,000 19,970,000 21,581,000 24,034,000 24,938,000 24,018,000 24,645,000 25,326,000 25,246,000 24,600,000 24,159,000 24,303,000 23,532,000 23,236,000 22,286,000 21,876,000 20,082,000 20,164,000 18,393,000 18,776,000 17,613,000 17,833,000 18,217,000 18,125,000 18,541,000 18,414,000 17,787,000 14,842,000 12,117,000 9,869,000 10,120,000 9,749,000 7,996,000 7,713,000 
        intangible assets
                                                     150,197,000 132,127,000 133,708,000 135,304,000 136,910,000 138,523,000 140,137,000 141,825,000 143,575,000 153,465,000 161,948,000 163,734,000 165,576,000 163,958,000 112,947,000 114,135,000 115,336,000 116,537,000 117,738,000 118,940,000 122,845,000 124,050,000 125,254,000 126,418,000 113,535,000 114,484,000 115,443,000 115,341,000 116,389,000 117,788,000 118,961,000 120,101,000 121,152,000                 
        deposits and other assets
                                                       22,536,000 21,186,000 19,732,000 19,225,000 18,872,000 20,638,000 19,329,000 19,769,000 19,656,000 19,834,000 20,116,000 20,232,000 13,898,000 14,432,000 14,368,000 12,488,000 12,056,000 10,579,000 13,252,000 14,645,000 12,048,000 11,198,000 11,274,000 11,441,000 11,644,000 6,816,000 5,982,000 5,033,000 6,688,000 10,091,000 7,964,000 3,830,000 3,089,000 2,544,000 2,265,000 1,890,000 2,418,000           
        notes payable, less current portion and discount
                                                       148,524,000 158,246,000 158,178,000 157,996,000 173,721,000 190,994,000 174,198,000 185,767,000 192,328,000 196,572,000 200,811,000 205,046,000 95,317,000 97,721,000 100,121,000                                 
        liabilities related to assets held for sale
                                                             1,486,000                                         
        series a conditional convertible preferred stock, 0.01 par value...
                                                          22,631,000 24,054,000 24,076,000 24,076,000 24,388,000 27,720,000 28,168,000 28,376,000                                     
        income taxes receivable
                                                          2,323,000 3,105,000 3,606,000 3,372,000 2,210,000 2,014,000 3,271,000 3,760,000 3,422,000 2,666,000 2,735,000 3,900,000 2,108,000 1,425,000 4,448,000 3,440,000 1,103,000 1,049,000                        3,857,000  4,803,000 
        restricted cash and cash equivalents and investments
                                                          18,917,000 18,335,000 18,241,000                                          
        bank overdraft
                                                          3,531,000 330,000 1,225,000 3,515,000 4,779,000 4,190,000 3,550,000 4,463,000 4,040,000     3,274,000  3,995,000 457,000 2,786,000 6,617,000   1,736,000 868,000 10,353,000 692,000 7,446,000 7,119,000     1,093,000     4,795,000 3,090,000 3,431,000 1,225,000 3,762,000 3,373,000 3,069,000 1,643,000 
        series a conditional convertible preferred stock; 5,660 and zero shares issued at september 30, 2010, and december 31, 2009, respectively
                                                                  28,639,000                                    
        subsequent events
                                                                                                      
        notes payable, less current portion
                                                                      66,425,000 77,781,000 98,208,000 100,236,000 106,512,000 113,771,000 117,628,000 120,352,000 139,890,000 151,437,000 155,958,000 160,479,000 188,700,000 198,875,000 192,187,000 194,750,000 83,475,000 84,564,000 85,652,000 96,860,000 100,245,000 122,500,000 124,000,000 125,500,000         
        income taxes payable
                                                                            3,159,000 2,925,000 6,294,000 6,455,000 2,354,000 2,727,000     1,499,000 891,000 1,524,000 790,000  151,000 3,769,000 2,103,000 6,527,000 3,045,000 6,524,000 1,659,000 4,835,000  2,473,000  
        subsequent event
                                                                                                      
        income tax receivable
                                                                                  5,625,000 9,502,000 10,505,000 8,311,000                 
        other intangibles
                                                                                      2,686,000 2,933,000 3,302,000 3,500,000 3,781,000 4,271,000 4,603,000 4,939,000 1,625,000 1,785,000 1,971,000 1,197,000 1,301,000 1,435,000 1,391,000 1,501,000 
        deposits
                                                                                            1,700,000 1,635,000 1,588,000 1,574,000 1,497,000 1,412,000 1,347,000 1,271,000 306,000 617,000 
        commitments and contingencies:
                                                                                                      
        short-term investments
                                                                                                      
        short-term held-to-maturity investments
                                                                                                  11,116,000 9,594,000 12,166,000 16,314,000 
        long-term liabilities
                                                                                                  1,771,000 2,761,000   
        liabilities and stockholders’ equity
                                                                                                      
        due to former shareholder
                                                                                                      
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 
                                                                                                       
          cash flows from operating activities:
                                                                                                       
          net income
        29,288,000 -116,202,000 -1,092,000 -187,533,000 6,989,000 16,237,000 17,328,000 12,489,000 53,174,000 60,906,000 84,110,000 81,797,000 92,445,000 123,800,000 146,008,000 116,217,000 74,023,000 66,770,000 70,378,000 9,308,000 26,067,000 22,325,000 12,965,000 27,482,000 23,515,000 28,869,000 34,122,000 35,613,000 27,918,000 35,529,000 42,681,000 41,167,000 28,128,000 31,255,000 32,008,000 26,351,000 27,296,000 26,322,000 25,869,000 20,165,000 33,647,000 15,870,000 12,209,000 9,895,000 8,499,000 7,193,000 7,630,000 8,356,000 8,615,000 8,399,000 7,563,000 7,083,000 5,858,000 -81,000 4,276,000 -2,435,000 -26,899,000 813,000 2,256,000   137,000 780,000 -2,722,000 -1,995,000 4,374,000 -121,834,000 7,624,000 7,850,000 9,367,000 9,516,000 9,004,000 10,088,000 9,246,000 8,194,000 10,047,000 9,472,000 7,271,000 8,301,000 6,977,000 6,848,000 4,416,000 3,993,000 4,534,000 3,930,000 4,323,000 4,559,000 4,917,000 9,286,000 11,190,000 12,399,000 14,406,000 14,292,000 12,481,000 11,177,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                       
          depreciation and amortization
        39,628,000 39,885,000 39,857,000 41,474,000 43,050,000 44,738,000 44,517,000 43,132,000 40,727,000 38,234,000 38,834,000 38,024,000 34,330,000 33,247,000 31,510,000 27,826,000 26,790,000 25,356,000 23,725,000 24,110,000 27,417,000 22,426,000 20,234,000 17,007,000 17,085,000 12,718,000 11,710,000 11,449,000 11,296,000 10,606,000 7,886,000 8,520,000 8,132,000 7,959,000 7,668,000 7,732,000 7,789,000 7,334,000 6,765,000 5,322,000 5,304,000 5,232,000 5,095,000 4,077,000 4,086,000 4,010,000 3,820,000 3,698,000 3,317,000 3,240,000 3,290,000 3,469,000 3,435,000 3,552,000 3,695,000 3,878,000 3,954,000 4,119,000 4,465,000 4,836,000 3,787,000 3,163,000 3,298,000 3,408,000 3,495,000 3,442,000 3,467,000 3,581,000 3,770,000 3,738,000 3,350,000 3,209,000 2,979,000 2,857,000 2,629,000 2,697,000 2,638,000 2,524,000 2,466,000 2,162,000 1,481,000 1,457,000 1,079,000 1,411,000 1,425,000 1,536,000 1,465,000 1,351,000 1,203,000 1,150,000 1,115,000 1,302,000 935,000   
          non-cash interest expense and other
        608,000 609,000 608,000 10,309,000 534,000 533,000 534,000 7,234,000 549,000 533,000 505,000 3,903,000 474,000 474,000 479,000 474,000 -4,290,000 510,000 -761,000 622,000 910,000 906,000 1,911,000 168,000 682,000 591,000 543,000 -5,432,000 -686,000 677,000 600,000 513,000 597,000 542,000 579,000 1,236,000 455,000 149,000 576,000 489,000 454,000 534,000 457,000 288,000 428,000 381,000 295,000                                                 
          increase in allowance for credit losses and sales credits
        -2,993,000 3,564,000 2,182,000 -2,260,000 -2,371,000 7,539,000 388,000 -8,055,000 2,536,000 3,985,000 25,447,000 35,800,000 8,396,000 10,371,000 3,432,000 4,160,000 2,629,000 -4,917,000 4,391,000 -1,045,000 838,000 2,007,000 4,735,000                                                                         
          provision for deferred income taxes
        16,879,000 -27,938,000 -5,824,000 -45,159,000 -3,307,000 5,060,000 -7,661,000 -21,428,000 24,275,000 -9,141,000 -6,639,000 -19,251,000 -8,785,000 -15,105,000 18,526,000 -11,959,000 -2,938,000 -3,318,000 1,928,000 -3,705,000 -8,096,000 -10,560,000 733,000 4,613,000 6,628,000 -1,292,000 -9,036,000 1,717,000 4,789,000 -2,060,000 -5,113,000 15,119,000 -488,000 -4,124,000 -4,900,000 -6,215,000 -2,790,000 782,000 -1,201,000 -5,006,000 11,454,000 870,000 5,359,000 10,011,000 2,842,000 -2,959,000 1,885,000 1,080,000 1,089,000      3,060,000     -1,265,000 -8,678,000                          1,024,000     7,243,000    
          share-based compensation
        6,713,000 8,827,000 9,381,000 3,666,000 5,555,000 6,357,000 7,739,000 2,578,000 306,000 4,818,000 10,318,000 5,396,000 4,898,000 8,513,000 11,259,000 7,322,000 2,589,000 6,019,000 9,287,000 5,419,000 3,772,000 6,347,000 4,927,000 4,528,000 2,825,000 3,702,000 5,186,000 2,861,000 1,809,000 3,281,000 2,864,000 2,517,000 2,477,000 2,562,000 2,681,000 2,604,000 2,704,000 2,710,000 3,381,000 3,733,000 2,021,000 2,153,000 2,377,000 1,796,000 1,791,000 1,751,000 1,819,000 1,458,000 1,487,000                                               
          loss on disposal or impairment of long-lived assets
        -2,000 18,269,000 27,000 23,000 23,000 9,000 10,000 6,260,000 -140,000 84,000 1,849,000                                                                                     
          gain on sale of disposal group
                                                                                                       
          net loss on investments in available-for-sale securities
        -40,000 -33,000 4,000 3,000 20,000 113,000 64,000 74,000 73,000 74,000 81,000 97,000 116,000                                                                                   
          goodwill impairment loss
                                                                                                      
          net loss on deferred compensation balances
        1,158,000 561,000 502,000    -381,000    41,000 798,000 -1,285,000 531,000 -570,000 -76,000 -149,000 -125,000 370,000 848,000 419,000                                                                           
          non-cash lease expense
        -365,000 13,000 28,000 -341,000 -313,000 209,000 -799,000 473,000 1,386,000 -12,000 -228,000 679,000 1,276,000 662,000 2,880,000 4,063,000 537,000 -365,000 -429,000 -833,000 64,000 359,000 -179,000 6,000 105,000 -14,000 -92,000                                                                     
          changes in assets and liabilities, net of effects from acquisitions:
                                                                                                       
          accounts receivable
        -339,000 26,894,000 13,766,000 13,269,000 60,222,000 61,369,000 41,367,000 -7,539,000 11,666,000 103,282,000 -37,376,000 13,389,000 48,067,000 190,509,000 -194,044,000 -223,191,000 -104,431,000 99,360,000 -191,271,000 -22,489,000 12,991,000 7,946,000 -5,786,000 3,132,000 12,719,000 13,927,000 -1,500,000 -2,196,000 -13,087,000 4,676,000 9,154,000 -8,227,000 -10,271,000 -2,147,000 1,787,000 -16,106,000 -1,160,000 -26,215,000 -15,219,000 -28,921,000 -19,393,000 -10,896,000 -16,443,000 -22,442,000 -13,335,000 -2,375,000 -3,806,000 -3,542,000 3,834,000 6,406,000 -15,342,000 -2,113,000 -7,195,000 3,633,000 3,033,000 -4,163,000 -5,919,000 -2,265,000 -11,254,000 -1,818,000 -9,152,000 -23,000 -26,000 2,578,000 18,132,000 33,834,000 34,186,000 12,073,000 6,169,000 -277,000 -7,559,000 8,387,000 -515,000 -6,541,000 4,203,000 -12,993,000 -24,233,000 -5,038,000 1,665,000 -1,042,000 137,000 2,023,000 -1,592,000 -1,088,000 2,565,000 11,243,000 -4,326,000 -3,930,000 216,000 17,350,000 3,743,000 -5,234,000 1,309,000   
          accounts receivable, subcontractor
        7,492,000 6,205,000 5,174,000 -1,915,000 12,730,000 16,220,000 20,187,000 58,273,000 -7,745,000 108,424,000 -7,929,000 -14,772,000 -6,247,000 42,604,000 -50,592,000 -98,093,000 -11,217,000 7,958,000 -64,382,000 -17,685,000 2,169,000 17,469,000 -3,224,000 -9,961,000 -12,694,000 5,549,000 -5,465,000 -5,252,000 -10,234,000 4,370,000 1,985,000 -3,812,000 -569,000 12,207,000 395,000 -7,139,000 4,233,000 3,532,000 916,000 -1,287,000 -12,612,000 -2,718,000 -5,748,000 -6,874,000 943,000 -3,832,000 -409,000 598,000 -3,141,000 3,604,000 -865,000 1,219,000 2,310,000 1,344,000 -843,000 -5,056,000 -1,739,000 122,000 1,258,000 -1,304,000 3,982,000                                   
          income taxes receivable
        -5,633,000 -4,477,000 5,568,000 -409,000 56,000 -9,009,000 5,350,000 -5,082,000 8,875,000 -7,449,000 -404,000   1,119,000 681,000 -1,800,000 6,591,000 -6,569,000 173,000 5,984,000 -1,063,000 -1,728,000 -2,472,000 799,000 2,102,000 -989,000 4,105,000 9,881,000 -13,683,000 -1,029,000 -1,186,000 361,000 309,000 712,000 -558,000 6,006,000 6,859,000 -4,195,000 32,000 5,171,000         1,986,000 782,000 501,000 -234,000 -1,162,000 -196,000 1,257,000 489,000 -338,000 -756,000 69,000 1,165,000   3,023,000 -1,008,000            -2,677,000                 
          prepaid expenses
        523,000 5,936,000 -2,134,000 -5,438,000 2,600,000 4,254,000 -3,392,000 -1,886,000 -399,000 8,731,000 -7,988,000 -1,689,000 10,412,000 11,710,000 33,373,000 -53,093,000 -1,509,000 2,004,000 -6,190,000 2,019,000 -101,000 4,403,000 -7,663,000 -344,000 2,641,000 3,864,000 -5,387,000 2,131,000 4,346,000 363,000 -2,375,000 -673,000 1,321,000 2,345,000 -5,309,000 -260,000 1,818,000 456,000 -2,469,000 -702,000                                                        
          other current assets
        10,765,000 5,419,000 -10,256,000 -8,693,000 1,917,000 -2,526,000 772,000 404,000 1,973,000 1,935,000 -115,000 5,376,000 -2,939,000 3,158,000 12,180,000 -25,410,000 103,000 -918,000 4,226,000 -655,000 2,393,000 -2,879,000 3,463,000 1,515,000 749,000 2,366,000 -1,783,000 -1,705,000 1,059,000 -3,438,000 2,825,000 -11,089,000 4,593,000 2,617,000 2,945,000 -3,829,000 -2,719,000 -5,913,000 -1,477,000 702,000                                                        
          other assets
        824,000 2,308,000 1,337,000 -278,000 1,985,000 -1,706,000 86,000 -2,074,000 -1,997,000 673,000 221,000 818,000 -1,610,000 1,344,000 -342,000 2,482,000 -182,000 1,293,000 -331,000 -158,000 234,000 735,000 2,409,000 -3,961,000 -27,000 -2,561,000 -6,202,000 6,258,000 -1,575,000 645,000 -89,000 -202,000 559,000 -2,624,000 -3,139,000 733,000 -253,000 -1,571,000 -2,471,000 -1,331,000 -761,000 -543,000 -2,150,000 -80,000 -134,000 552,000 -606,000 -177,000                                                
          accounts payable and accrued expenses
        -4,528,000 -16,212,000 9,456,000 -23,094,000 -71,988,000 -26,802,000 -33,006,000 -60,754,000 37,099,000 -150,305,000 -9,557,000 16,927,000 2,394,000 -41,527,000 70,988,000 143,935,000 20,360,000 -11,455,000 103,278,000 11,046,000 8,551,000 -29,871,000 15,836,000 16,202,000 15,194,000 -32,420,000 2,949,000 9,843,000 16,265,000 -1,138,000 -7,816,000 12,580,000 -1,927,000 -16,916,000 -1,599,000 18,496,000 -13,356,000 22,794,000 -10,229,000 3,803,000 11,746,000 10,441,000 3,621,000 10,281,000 1,881,000 26,000 -6,063,000 2,765,000 1,245,000 -3,775,000 4,102,000 9,055,000 -7,147,000 -683,000 1,608,000 2,657,000 4,250,000 -3,752,000 505,000 5,901,000 -7,202,000 3,801,000 6,436,000 -872,000 -1,908,000 -3,830,000 247,000 -3,541,000 -860,000 361,000 5,981,000 301,000 298,000 -558,000 1,681,000 -2,309,000 -217,000 2,301,000 1,406,000 -649,000 -1,719,000 1,400,000 -236,000 -1,309,000 3,641,000 -303,000 -1,899,000 3,187,000 -1,609,000 -818,000 -544,000 -676,000 1,487,000   
          accrued compensation and benefits
        8,512,000 -5,571,000 -13,995,000 4,772,000 4,912,000 -14,629,000 -6,365,000 -1,845,000 6,547,000 -13,799,000 -71,038,000 -13,443,000 -70,412,000 -23,137,000 96,486,000 32,569,000 31,565,000 116,000 64,985,000 18,226,000 8,817,000 844,000 -2,031,000 12,971,000 8,013,000 11,444,000 330,000 -762,000 5,546,000 9,475,000 -4,007,000 9,439,000 4,701,000 7,641,000 -8,351,000 8,381,000 -2,887,000 3,873,000 9,775,000 -4,819,000 11,367,000 4,344,000 996,000 2,890,000 8,529,000 -912,000 1,008,000 465,000 7,349,000 -2,522,000 -50,000 197,000 6,223,000 -694,000 68,000 595,000 -2,412,000 152,000 7,700,000 -4,783,000 1,266,000 -773,000 4,124,000 -5,377,000 -2,510,000 -4,787,000 -8,143,000 -5,105,000 1,121,000 1,528,000 3,214,000 -1,435,000 1,765,000 1,329,000 -1,222,000 -582,000 7,471,000 3,513,000 -25,000 -2,073,000 -6,445,000 -2,890,000 11,968,000 -7,292,000 3,633,000 -2,673,000 4,185,000 -3,653,000 2,009,000 -3,407,000 2,680,000 -1,133,000 4,616,000   
          other liabilities
        -42,133,000 16,074,000 36,006,000 54,732,000 2,677,000 -7,266,000 -5,712,000 -62,751,000 1,616,000 38,984,000 11,903,000 -27,032,000 5,195,000 -123,082,000 18,353,000 148,953,000 -20,503,000 -14,804,000 9,039,000 12,048,000 6,828,000 29,658,000 -6,894,000 1,183,000 -1,421,000 -15,482,000 9,630,000 1,443,000 -3,835,000 -5,090,000 -1,498,000 -3,330,000 -5,637,000 -16,300,000 16,825,000 2,411,000 4,117,000 -12,460,000 14,079,000 2,262,000 -13,163,000 4,416,000 4,382,000 -9,113,000 3,478,000 798,000 349,000 398,000 1,500,000 2,665,000 -779,000 -3,044,000 1,771,000 -349,000 -2,097,000    -2,369,000 -451,000 -2,090,000 -214,000 -1,685,000 -2,154,000 2,423,000 -2,390,000 -1,406,000 1,110,000 1,789,000 58,000 1,482,000 3,569,000 1,734,000 959,000 206,000 -2,441,000 1,580,000 616,000 588,000 2,040,000 404,000 484,000 333,000 2,489,000 -1,682,000 424,000 438,000 6,000 458,000 -97,000 9,000    
          deferred revenue
        -4,511,000 4,902,000 2,076,000 -2,735,000 1,186,000 -151,000 360,000 -1,398,000 271,000 -1,471,000 2,040,000 -3,289,000 -915,000 232,000 -126,000 -1,956,000 2,694,000 -212,000 3,794,000 -1,087,000 40,000 -820,000 748,000 232,000 -13,000 -607,000 -1,418,000 -743,000 -511,000 1,625,000 -52,000 -1,226,000 -38,000 800,000 -84,000 476,000 2,299,000 -2,329,000 286,000 173,000 -674,000 2,346,000 -532,000                                                     
          net cash from operating activities
        22,666,000 78,548,000 92,671,000 72,814,000 66,703,000 99,515,000 81,386,000 -41,130,000 172,194,000 197,667,000 43,434,000 115,328,000 113,728,000 224,462,000 200,215,000 77,985,000 16,746,000 171,494,000 39,131,000 39,845,000 88,710,000 76,906,000 51,365,000 78,657,000 80,914,000 29,077,000 36,214,000 58,947,000 42,108,000 66,203,000 59,735,000 18,880,000 25,594,000 18,474,000 52,314,000 47,031,000 29,540,000 20,053,000 35,227,000 676,000 21,950,000 25,000,000 8,687,000 5,039,000 15,489,000 6,159,000 991,000 15,538,000 26,577,000 19,221,000 -2,699,000 18,450,000 11,512,000 20,997,000 9,553,000 6,513,000 4,881,000 2,354,000 5,564,000 4,849,000 21,501,000 -29,976,000 11,715,000 5,582,000 19,205,000 36,388,000 37,557,000 13,802,000 21,136,000 11,883,000 16,873,000 25,326,000 20,817,000 16,251,000 17,242,000 8,590,000 3,799,000 24,124,000 18,025,000 15,894,000 2,028,000 9,234,000 16,934,000 -1,778,000 19,929,000 15,204,000 5,683,000 998,000 17,447,000 25,029,000 21,671,000 9,019,000 31,598,000   
          capital expenditures
          
          free cash flows
        22,666,000 78,548,000 92,671,000 72,814,000 66,703,000 99,515,000 81,386,000 -41,130,000 172,194,000 197,667,000 43,434,000 115,328,000 113,728,000 224,462,000 200,215,000 77,985,000 16,746,000 171,494,000 39,131,000 39,845,000 88,710,000 76,906,000 51,365,000 78,657,000 80,914,000 29,077,000 36,214,000 58,947,000 42,108,000 66,203,000 59,735,000 18,880,000 25,594,000 18,474,000 52,314,000 47,031,000 29,540,000 20,053,000 35,227,000 676,000 21,950,000 25,000,000 8,687,000 5,039,000 15,489,000 6,159,000 991,000 15,538,000 26,577,000 19,221,000 -2,699,000 18,450,000 11,512,000 20,997,000 9,553,000 6,513,000 4,881,000 2,354,000 5,564,000 4,849,000 21,501,000 -29,976,000 11,715,000 5,582,000 19,205,000 36,388,000 37,557,000 13,802,000 21,136,000 11,883,000 16,873,000 25,326,000 20,817,000 16,251,000 17,242,000 8,590,000 3,799,000 24,124,000 18,025,000 15,894,000 2,028,000 9,234,000 16,934,000 -1,778,000 19,929,000 15,204,000 5,683,000 998,000 17,447,000 25,029,000 21,671,000 9,019,000 31,598,000   
          cash flows from investing activities:
                                                                                                       
          purchase and development of fixed assets
        -7,908,000 -9,800,000 -9,975,000 -16,220,000 -19,260,000 -27,266,000 -18,145,000 -29,856,000 -29,895,000 -26,449,000 -17,487,000 -24,602,000 -20,418,000 -17,221,000 -13,590,000 -14,863,000 -15,641,000 -11,462,000 -11,607,000 -10,345,000 -7,630,000 -6,156,000 -13,571,000 -10,442,000 -9,244,000 -8,144,000 -7,388,000 -11,284,000 -7,465,000 -10,754,000 -5,703,000 -9,361,000 -5,427,000 -6,243,000 -5,498,000 -4,251,000 -4,811,000 -6,276,000 -6,618,000 -5,888,000 -6,518,000 -8,234,000 -6,370,000 -4,847,000 -4,411,000 -4,033,000 -5,843,000 -2,600,000 -1,099,000 -3,133,000 -2,215,000 -1,719,000 -1,543,000 -1,209,000 -1,001,000 -1,098,000 -1,099,000 -764,000 -1,687,000 -1,783,000 -1,115,000 -599,000 -671,000 -612,000 -743,000 -1,204,000 -1,230,000 -1,653,000 -1,963,000 -2,527,000 -2,612,000 -2,660,000 -1,859,000 -2,501,000 -2,131,000 -2,997,000 -2,290,000 -2,886,000 -1,541,000 -762,000 -1,104,000 -1,181,000 -771,000             
          purchase of investments
        -963,000 -12,397,000 -21,722,000         -2,493,000 -6,641,000 -4,018,000 -28,282,000 -14,442,000 -7,696,000 -10,299,000 -10,893,000 -14,289,000 -18,650,000 -4,479,000 -9,550,000 -3,478,000 -5,919,000 -7,362,000 -6,639,000 -20,443,000 -4,656,000 -2,086,000 -4,075,000 -3,770,000 -2,447,000 -4,804,000                                                             
          proceeds from sale and maturity of investments
        2,539,000 7,239,000 3,400,000 1,207,000 3,285,000 1,207,000 2,907,000 4,980,000 2,007,000 1,835,000 3,464,000 2,200,000 6,885,000                                                                                 
          proceeds from sale of disposal group
                                                                                                       
          payments to fund deferred compensation plan
        -2,869,000 -1,668,000 -1,588,000 -3,951,000 -4,461,000 -6,992,000 -959,000 -16,951,000 -107,000 -8,827,000 -12,584,000 -1,471,000 -4,703,000   -980,000 -720,000 -5,471,000 -1,143,000 -6,085,000 -1,696,000 -3,583,000 -2,117,000 -3,076,000 -4,724,000 -481,000 -3,232,000 -1,826,000 -4,998,000 -1,246,000 -2,603,000 -207,000 -2,855,000 -754,000 -98,000 -949,000 -1,203,000 -775,000 -184,000 -1,215,000                                                 
          proceeds from settlements of company-owned life insurance policies
        2,873,000                                                                                               
          cash received for working capital settlement of prior year acquisition
                                                                                                     
          net cash from investing activities
        58,992,000 -20,591,000 -26,046,000 -14,203,000 -22,004,000 -22,332,000 -21,399,000 -323,731,000 -33,903,000 -22,428,000 -32,431,000 -22,643,000 -32,305,000 -92,523,000 -23,239,000 -28,385,000 -25,408,000 -56,403,000 2,794,000 -9,714,000 -15,196,000 -21,125,000 -492,137,000 -38,218,000 -12,915,000 -204,443,000 -36,248,000 -7,689,000 -32,698,000 -229,337,000 -9,613,000 -10,002,000 -3,823,000 -6,320,000 -13,301,000 -16,091,000 -8,117,000 -58,451,000 -174,703,000 -10,451,000 -10,768,000 -9,516,000 -85,350,000 -17,908,000 -4,511,000 -1,100,000 -4,709,000 -42,100,000 -503,000 -3,142,000 -2,155,000 -1,257,000 -2,103,000 -1,031,000 7,352,000 -1,142,000 -1,107,000 1,955,000 -1,687,000 -2,805,000 -3,835,000 462,000 -668,000 -22,887,000 -3,924,000 -1,204,000 -1,230,000 -1,819,000 -1,963,000 -11,064,000 -33,401,000 -2,656,000 -1,859,000 -7,983,000 -2,131,000 -2,997,000 -2,290,000 -2,886,000 -37,504,000 -111,859,000 -1,105,000 -1,591,000 -771,000 -1,070,000 -1,458,000 -1,023,000 -1,510,000 -1,955,000 -4,026,000 -4,772,000 -3,260,000 10,086,000 -3,715,000   
          cash flows from financing activities:
                                                                                                       
          payments on revolving credit facility
        -100,000,000 -90,000,000 -95,000,000 -115,000,000 -120,000,000 -90,000,000 -50,000,000 -25,000,000 -110,000,000 -150,000,000 -70,000,000     -55,000,000 -15,000,000 -40,000,000 -80,000,000   -146,000,000 -50,000,000   -30,000,000 -5,000,000       -182,500,000    2,000,000 -10,000,000 -10,000,000 -7,000,000   -1,000,000 -15,000,000   -3,000,000         -6,500,000 -25,000,000 -5,000,000 -18,500,000 -11,500,000                         
          proceeds from revolving credit facility
        30,000,000 10,000,000 35,000,000 40,000,000 60,000,000 10,000,000 15,000,000 390,000,000 15,000,000 200,000,000 210,000,000     70,000,000 20,000,000 225,000,000 71,000,000 30,000,000       39,000,000 85,000,000 5,000,000 84,500,000 18,000,000   1,000,000 25,000,000 1,000,000     5,300,000 9,600,000 2,700,000 2,300,000         12,000,000 29,500,000 25,000,000                         
          payment of financing costs
               -3,579,000         -4,610,000 -2,717,000 -282,000 -3,899,000 -4,348,000 -98,000   -2,331,000     -6,113,000 -448,000       571,000   -40,000      66,000    -4,415,000 1,000         3,000 -21,000   -4,822,000      -3,644,000 -29,000 -955,000 -63,000 -21,000 -17,000 
          cash paid for shares withheld for taxes
        -266,000 -226,000 -1,211,000 -224,000 -469,000 -108,000 -3,973,000 -1,205,000 -2,522,000 -3,287,000 -6,134,000 -1,466,000 -3,835,000 -366,000 -9,431,000 -977,000 -527,000 -470,000 -5,258,000 -2,131,000 -158,000 -287,000 -4,353,000 -431,000 -1,809,000 -1,253,000 -10,280,000 -24,000 -482,000 -10,926,000 -302,000 -58,000 -1,701,000 -7,313,000 -227,000 -360,000 -5,194,000 -395,000 -195,000 -2,624,000 -8,694,000 -87,000 -118,000 -338,000 -3,905,000 -8,000 -125,000 -1,134,000 -1,403,000                                             
          net cash from financing activities
        -71,214,000 -80,226,000 -61,211,000 -79,898,000 -60,469,000 -80,108,000 -38,973,000 363,495,000 -105,022,000 -203,287,000 -44,457,000 -176,342,000 -3,835,000 -174,233,000 -237,455,000 -3,665,000 -527,000 -55,470,000 24,767,000 -55,071,000 -62,437,000 -127,132,000 456,126,000 159,000 -52,845,000 187,495,000 1,790,000 -44,263,000 -36,883,000 133,627,000 -14,970,000 -13,369,000 -24,951,000 -26,945,000 -11,928,000 -36,128,000 -26,817,000 36,268,000 152,967,000 4,910,000 -11,302,000 -12,563,000 75,155,000 16,166,000 -6,891,000 -8,790,000 -2,584,000 10,525,000 -4,856,000 -7,471,000 1,019,000 -15,330,000 -21,029,000 -9,402,000 -15,923,000 -6,070,000 -7,087,000 -318,000 -1,825,000 -2,240,000 -20,462,000 -2,211,000 -1,536,000 21,721,000 -16,157,000 -28,420,000 -30,954,000 -8,296,000 -19,627,000 -345,000 5,934,000 -10,316,000 -30,319,000 -984,000 -9,304,000 -4,752,000 -2,817,000 -26,670,000 10,703,000 100,417,000 -1,035,000 -3,299,000 -9,563,000 -2,499,000 -23,076,000 -7,079,000 -2,094,000 -50,397,000 -841,000 -5,378,000 -29,853,000 -37,861,000 233,000   
          effect of exchange rate changes on cash
                      -183,000 -325,000 11,000 3,000 -24,000 7,000 -14,000 -58,000 -47,000 59,000 132,000 -89,000 -101,000 58,000 133,000 91,000 -19,000 13,000 -73,000 -42,000 4,000 102,000 40,000 86,000 39,000 33,000 54,000 -80,000 68,000 113,000 75,000 -37,000 -9,000 -36,000 -84,000 -28,000 93,000 -5,000 -55,000 33,000 -43,000 18,000 32,000 -1,000 -1,000 2,000 27,000 4,000 3,000 16,000 9,000 49,000 -14,000 -176,000 -97,000 47,000 -66,000 -29,000 4,000 22,000 -8,000 70,000 -69,000 -14,000 -81,000 13,000 -24,000 10,000    -2,000    -60,000     
          net increase in cash, cash equivalents and restricted cash
        10,444,000 -22,269,000 5,414,000  -15,770,000 -2,925,000 21,014,000     -83,657,000 77,588,000 -42,111,000 -60,662,000 45,610,000 -9,178,000 59,624,000 66,668,000 -24,933,000 11,063,000 -71,409,000 15,307,000 40,657,000 15,286,000 12,040,000 1,655,000 7,053,000 -27,340,000 -29,416,000 35,133,000                                                                 
          cash, cash equivalents and restricted cash at beginning of period
        89,305,000  108,273,000  137,872,000  246,714,000  83,990,000  153,962,000  84,324,000  98,894,000                                                                 
          cash, cash equivalents and restricted cash at end of period
        10,444,000 -22,269,000 94,719,000  -15,770,000 -2,925,000 129,287,000  33,269,000 -28,048,000 104,418,000  77,588,000 -42,111,000 186,052,000  -9,178,000 59,624,000 150,658,000  11,063,000 -71,409,000 169,269,000  15,286,000 12,040,000 85,979,000  -27,340,000 -29,416,000 134,027,000                                                                 
          supplemental disclosures of cash flow information:
                                                                                                       
          cash paid for amounts included in the measurement of operating lease liabilities
        2,487,000 2,153,000 2,138,000 2,510,000 2,579,000 2,460,000 2,805,000 2,420,000 1,962,000 2,319,000 2,610,000 2,637,000 2,778,000 3,692,000 4,230,000 4,799,000 25,326,000 4,846,000 4,894,000 4,973,000 4,967,000 5,378,000 4,734,000 4,523,000 4,600,000 4,356,000 4,338,000                                                                     
          cash paid for interest
        785,000 20,661,000 2,939,000 22,909,000 5,400,000 25,182,000 7,543,000 23,014,000 2,435,000 21,599,000 1,053,000 18,568,000 63,000 18,691,000 196,000 18,784,000 273,000 18,708,000 320,000 8,804,000 1,089,000 10,861,000 1,898,000 8,742,000 3,274,000 10,190,000 1,524,000 9,762,000 1,354,000 9,966,000 201,000 8,541,000 266,000       1,472,000   1,330,000   1,172,000 1,588,000    2,399,000 2,706,000 2,925,000 3,547,000 4,520,000   4,507,000 4,626,000   1,803,000 1,825,000 2,667,000 1,398,000 1,598,000 1,724,000 2,448,000 2,271,000 2,340,000 2,541,000 2,852,000 2,954,000 3,023,000 2,996,000 3,241,000 3,543,000 3,628,000 3,488,000 2,810,000 1,366,000 1,401,000 1,493,000 1,617,000 1,714,000 2,224,000 1,799,000 1,817,000 96,000 90,000 64,000 65,000 63,000 62,000 
          cash paid for income taxes
        -2,899,000 9,085,000 2,139,000 6,477,000 4,095,000 13,271,000 4,309,000 67,423,000 1,097,000 4,332,000 5,404,000 49,050,000 44,097,000 110,836,000 9,824,000 33,516,000 28,802,000 38,495,000 5,566,000 15,531,000 30,668,000 14,000 45,000 5,290,000 5,088,000 23,177,000 4,192,000 9,370,000 6,818,000 11,674,000 2,731,000 7,748,000 20,834,000       12,477,000      8,947,000 223,000    4,876,000  49,000 198,000 116,000  335,000 835,000 336,000 -954,000 -56,000 165,000 761,000 551,000 3,366,000 684,000 1,008,000 6,057,000 7,370,000 13,098,000 6,422,000   110,000 884,000   708,000 2,194,000 618,000 2,378,000 2,127,000 1,231,000 1,647,000 127,000 5,659,000 151,000 3,278,000 2,595,000 9,153,000 2,359,000 8,374,000 589,000 7,575,000 326,000 
          supplemental disclosures of non-cash investing and financing activities:
                                                                                                       
          purchase of fixed assets recorded in accounts payable and accrued expenses
        41,000 -4,047,000 5,405,000 -6,391,000 1,552,000 -4,740,000 12,777,000 -6,711,000 3,913,000 4,079,000 6,849,000 456,000 -2,375,000 2,791,000 4,771,000 -1,361,000 1,415,000 -123,000 3,788,000 2,096,000 -218,000 -561,000 1,786,000 159,000 -210,000 -214,000 2,566,000 -2,798,000 2,704,000 -1,060,000 2,860,000 -194,000 917,000       1,131,000                                                        
          right-of-use assets obtained in exchange for operating lease liabilities
        809,000 544,000 74,000 495,000 2,136,000 2,338,000 10,766,000 -420,000                                                                                       
          change in fair value of contingent consideration liabilities
               2,350,000 80,000                                                                                     
          goodwill impairment losses
                                                                                                       
          proceeds from sale of equity investment
                  68,000    224,000                                                                            
          cash paid for acquisitions, net of cash and restricted cash received
                   231,000     -99,000 -476,392,000                                                                         
          cash paid for other intangibles
                   -4,031,000     -1,400,000 -120,000 -1,030,000 -90,000                                                                   
          payments on loans payable
                                                                                                       
          repurchase of common stock
               -250,000,000 -174,744,000 -174,876,000 -173,867,000 -228,024,000         -775,000 -17,930,000 -14,263,000 -31,859,000   -13,067,000 -6,768,000                                   -21,998,000                 -2,485,000 -4,968,000 -31,035,000     
          payment of excise tax on share repurchases
                                                                                                       
          earn-out payments to settle contingent consideration liabilities for prior acquisitions
                                                                                                    
          net decrease in cash, cash equivalents and restricted cash
                33,269,000 -28,048,000 -33,454,000                                                                                     
          cash, cash equivalents and restricted cash at beginning of year
                                                                                                       
          cash, cash equivalents and restricted cash at end of year
                                                                                                       
          acquisitions:
                                                                                                       
          fair value of tangible assets acquired in acquisitions, net of cash and restricted cash received
                   -127,000   -4,000   29,000 -164,000 -1,372,000 37,240,000  868,000                                                                       
          goodwill
                   -311,000   -942,000 409,000   -5,456,000 -133,000 18,586,000 255,974,000 8,941,000 -1,846,000 123,447,000 26,494,000 207,000 -835,000           3,336,000                    -2,125,000        11,557,000 -488,000       104,885,000 1,000           -53,000   
          intangible assets
                       -24,000,000 252,000,000 9,000,000 2,400,000 89,300,000 6,880,000 -1,000 1,000           645,000                    3,639,000        13,960,000                       
          liabilities assumed
                   207,000   942,000 -405,000   5,427,000 297,000 6,885,000 -68,822,000 3,725,000 -1,349,000 -30,134,000 -3,390,000 -206,000 -302,000                                       166,000 -166,000 -3,000 -1,004,000       -57,504,000           73,000   
          contingent consideration liabilities
                                                                                                     
          net cash paid for acquisitions
                   -231,000     99,000 476,392,000 19,684,000 73,000 198,624,000 29,525,000 -1,000 -686,000           2,984,000                            166,000   -4,000                   27,000   
          excise tax payable on share repurchases
               -38,000 219,000 1,964,000 1,556,000                                                                                     
          net gain on deferred compensation balances
            226,000    277,000              -240,000                                                                         
          write-off of fees on credit facilities and senior notes
                       158,000                                                                             
          restricted investments balance
                       333,000 -3,000 -3,000 22,000 -3,000 6,000 -15,000 21,000 -21,000 6,000 57,000 36,000 -6,000 -93,000 19,000 -12,000                                                                 
          purchase of equity investment
                        -500,000                                                                             
          cash paid for initial direct costs
                                                                                                       
          payments on term loans
                       -21,875,000 -25,000,000 -201,562,000   -149,062,000        -18,125,000 -25,000,000 -938,000                                                             
          change in fair value of contingent consideration
                   -1,740,000 -1,770,000       6,600,000 -6,700,000 4,800,000 200,000 4,895,000 4,441,000 -1,458,000 -700,000 -1,093,000 -1,326,000   118,000 20,000 23,000 23,000 64,000 -302,000 115,000 99,000 -30,000                                                        
          loss on disposal or sale of fixed assets
                   989,000 92,000 238,000 241,000 2,321,000 3,000 30,000 353,000 658,000 343,000 55,000 3,266,000 35,000 410,000 35,000 4,000 77,000 1,000 34,000 5,000 97,000 87,000 -22,000 65,000 24,000 22,000   1,000   -2,000 10,000 46,000 3,000 1,000 1,000 5,000 8,000 16,000 2,000   8,000 27,000 28,000 45,000 15,000 43,000 59,000 6,000 17,000 902,000 31,000 29,000 87,000 67,000 23,000 50,000  5,000 24,000         76,000 -2,000 7,000         
          purchase of convertible promissory notes
                                                                                                      
          cash received for working capital adjustments for prior year acquisitions
                           66,000                                                                         
          proceeds from term loans
                            250,000,000                                                                        
          proceeds from senior notes
                           350,000,000                                                                            
          redemption of senior notes
                                                                                                       
          net loss on investments
                      174,000                                                                                 
          amortization of discount on investments
                       -11,000 -6,000 -5,000 -30,000 -13,000 -25,000 -21,000 -50,000 -22,000 -47,000 -109,000 -120,000 -124,000 -16,000 -47,000 -15,000 -15,000 -70,000                                                               
          purchase of equity investments
                                                                                                       
          proceeds from maturity of investments
                        9,300,000 5,500,000 25,200,000 11,300,000 7,400,000 4,500,000 9,600,000 3,500,000 5,965,000 10,970,000 11,700,000 14,600,000 2,200,000 5,300,000 2,900,000 3,101,000 9,000,000 6,200,000 2,000,000                                                             
          earn-out payments for prior acquisitions
                          -3,100,000 -10,622,000   -1,713,000 -3,677,000                                                             
          proceeds from term loan
                                           75,000,000                                                        
          earn-out liabilities
                               -3,100,000 -10,622,000 -1,500,000                                                                  
          write-off of fees on credit facilities
                                                                                                       
          purchase of convertible promissory note
                             -490,000                                                                         
          increase in allowances for doubtful accounts and sales credits
                               -534,000 1,831,000 2,370,000 2,608,000 2,766,000 1,431,000 2,552,000 2,257,000 1,327,000 1,272,000 2,332,000 5,408,000 5,262,000 1,294,000 2,765,000 2,687,000 1,369,000 1,240,000 1,883,000 2,192,000 1,478,000 762,000 1,710,000 443,000 1,949,000 1,031,000 546,000 1,102,000 1,484,000 1,849,000 1,447,000 2,006,000    1,084,000    439,000                                 
          equity investment
                                   -1,500,000                                                                  
          cash paid for acquisitions, net of cash received
                               -19,684,000 -73,000 -198,624,000 -29,525,000 1,000 686,000       59,000 -203,000 -51,120,000 -165,230,000 -2,984,000                                                        
          cash paid for other liabilities, working capital adjustments and holdback liability for prior year acquisitions
                                                                                                       
          proceeds from termination of derivative contract
                                                                                                      
          fair value of tangible assets acquired in acquisitions, net of cash received
                                  1,041,000 -1,000 450,000           431,000                                                        
          write-off of fees on the prior credit facilities
                                                                                                     
          excess tax benefit from equity awards vested and exercised
                                                                                                       
          capital lease repayments
                                           -1,000 -4,000   -4,000 -57,000 -159,000 -157,000 -156,000 -202,000 -161,000 -160,000 -158,000 -158,000 -162,000 -162,000 -168,000    -166,000     -339,000 -167,000   -176,000 -165,000 -163,000 -163,000 -159,000 -158,000 -157,000 -157,000 -177,000 -144,000 -118,000 -105,000 -103,000 -106,000 -73,000 -82,000 -99,000 -72,000 -85,000 -83,000 -81,000 -85,000 -69,000 -69,000 -73,000 -73,000 -68,000 -30,000 
          proceeds from termination (payment on reduction) of derivative contract
                                                                                                       
          holdback provision
                                               -1,000,000                            -2,336,000                         
          cash paid for working capital adjustments and holdback liability for prior year acquisitions
                                           -500,000 -500,000                                                           
          loss on debt extinguishment
                                      574,000                                                            
          restricted cash, cash equivalents and investments balance
                                       -30,260,000 -6,264,000 -8,448,000 4,951,000 7,088,000     -3,727,000 -1,926,000 -205,000 36,000 -3,081,000 -3,082,000 -2,875,000 -1,076,000 -1,075,000                                               
          change in restricted cash, cash equivalents and investments balance
                                       1,314,000 606,000 -4,000 -1,000         1,409,000 2,675,000 4,117,000 4,349,000 -4,000 -9,000 60,000                                             
          proceeds from exercise of equity awards
                                               310,000 154,000 3,199,000 1,734,000 58,000 3,000 407,000 56,000 711,000               -6,000 584,000   -1,000 209,000                       
          net increase in cash and cash equivalents
                                       -4,478,000 -3,253,000 -14,833,000 27,089,000  -5,354,000 -2,044,000 13,530,000  -66,000    4,162,000   -16,073,000 21,134,000 8,580,000 -3,742,000 1,858,000 -11,675,000 10,597,000 939,000 -681,000 -3,281,000 3,990,000 2,051,000 -194,000 -39,291,000 4,801,000 9,514,000 4,432,000 -867,000 6,813,000 5,359,000 3,511,000 -551,000 521,000 -10,660,000 12,325,000 -11,357,000 7,306,000 5,799,000 911,000 -1,377,000 -5,432,000 -8,790,000 4,371,000 -99,000 4,320,000 6,610,000 -5,299,000 -4,624,000 7,067,000 2,077,000 -51,390,000 12,570,000 14,874,000 -11,502,000 -18,756,000 28,116,000 5,487,000 9,634,000 
          cash and cash equivalents at beginning of year
                                                          5,681,000                                             
          cash and cash equivalents at end of year
                                                          1,939,000                                             
          excess tax benefits from share-based compensation
                                            -442,000 -2,322,000  -458,000 -1,782,000 -5,029,000  -64,000 -170,000 -1,546,000  -98,000 -727,000 -704,000                                             
          excess tax benefits from equity awards vested and exercised
                                                                                                       
          cash and cash equivalents at beginning of period
                                        10,622,000  9,576,000  13,073,000  15,580,000     3,962,000  1,883,000  27,053,000  11,316,000  18,495,000  4,422,000  19,110,000  3,908,000  4,687,000  40,135,000  15,654,000 
          cash and cash equivalents at end of period
                                        -3,253,000 -14,833,000 37,711,000      -66,000 2,841,000 11,633,000  4,162,000 -3,768,000 9,269,000  21,134,000    -11,675,000 10,597,000 4,901,000  -3,281,000 3,990,000 3,934,000  -39,291,000 4,801,000 36,567,000  -867,000 6,813,000 16,675,000  -551,000 521,000 7,835,000  -11,357,000 7,306,000 10,221,000  -1,377,000 -5,432,000 10,320,000  -99,000 4,320,000 10,518,000  -4,624,000 7,067,000 6,764,000  12,570,000 14,874,000 28,633,000  28,116,000 5,487,000 25,288,000 
          equity method investment
                                                   -2,000,000 -1,000,000 -2,000,000                                                 
          earn-out payment for prior acquisition
                                           -900,000                                                         
          payment on reduction of derivative contract
                                                                                                       
          net change in cash and cash equivalents
                                                                                                       
          liabilities and deferred revenue assumed
                                                                                                       
          adjustments to reconcile net income to net cash from operating activities, net of acquisitions:
                                                                                                       
          equity method investment in pipeline health holdings llc
                                                                                                       
          payments on term loan
                                            -2,813,000 -2,812,000 -2,813,000 -1,875,000 -1,875,000 -1,875,000 -1,875,000 -1,875,000                                                    
          restricted cash and cash equivalents balance
                                             -1,314,000 176,000                                                         
          loan to pipeline health holdings llc
                                                  -667,000                                                     
          cash paid for working capital adjustments for prior year acquisition
                                                                                                       
          holdback settlement in equity from prior acquisition
                                                                                                     
          change in restricted cash and cash equivalents balance
                                                                -8,000   1,061,000 3,000                                 
          proceeds from sales of assets held for sale
                                                          406,000 22,000 272,000 8,350,000                                         
          convertible loan converted to equity method investment in pipeline health holdings llc
                                                                                                       
          prepaid expenses and other current assets
                                                 -5,258,000 -3,063,000 2,171,000 -1,182,000 -48,000 -954,000 843,000 1,720,000 5,897,000 -2,436,000 -4,779,000 -618,000 1,746,000 -5,033,000 -445,000 898,000 1,447,000 -2,725,000 -429,000 966,000 5,387,000 -4,739,000 1,078,000 2,248,000 2,183,000 463,000 -83,000 1,242,000 -646,000 -3,092,000 1,038,000 397,000 676,000 -1,541,000 821,000 -1,095,000 3,322,000 -1,046,000 1,161,000 -384,000 1,416,000 -364,000 1,171,000 -253,000 3,460,000 -1,586,000  1,988,000 1,230,000 -3,617,000     
          convertible loan to pipeline health holdings llc
                                                                                                       
          cash paid for acquisition, net of cash received
                                                 -76,945,000                                   -1,000               
          cash paid for working capital adjustments for prior acquisition
                                                 -165,000                                                     
          net decrease in cash and cash equivalents
                                                  -1,440,000    -6,311,000                                                 
          excess tax benefit from share-based compensation
                                                                                                       
          gain on sale of discontinued operations
                                                                                                       
          changes in assets and liabilities, net of effects from acquisition and divestiture:
                                                                                                       
          prepayment penalty associated with the prior credit facilities
                                                                                                     
          changes in assets and liabilities:
                                                                                                       
          change in bank overdraft
                                                    -37,000 18,000 -127,000 169,000 -75,000 -25,000 165,000  3,201,000 -895,000 -2,290,000   640,000 -913,000          -2,329,000    -1,737,000 772,000 -9,485,000  -6,754,000 327,000 7,119,000  -1,093,000      1,705,000 -341,000 2,206,000  389,000 304,000 1,426,000 
          repayments on prior term loan
                                                                                                       
          payments on current term loan
                                                                                                       
          proceeds from current term loan
                                                                                                       
          proceeds from prior revolving credit facility
                                                                                                       
          repayments on prior revolving credit facility
                                                                                                       
          proceeds from current revolving credit facility
                                                                                                       
          payments on current revolving credit facility
                                                                                                       
          non-cash interest expense
                                                       286,000 -60,000 815,000 295,000 575,000 801,000 393,000 1,152,000 958,000 967,000 926,000 936,000 918,000 770,000 767,000 785,000 2,738,000 773,000 705,000 367,000  427,000 362,000 420,000  417,000 334,000 485,000  665,000 952,000 1,030,000  232,000 400,000 255,000      93,000 109,000 109,000  86,000   
          impairment charges for discontinued operations
                                                                                                       
          write-off of assets due to discontinued operations
                                                                                                       
          cash payment for holdback liability for prior year acquisitions
                                                                                                       
          cash paid for acquisitions
                                                                                                       
          payments on term loan credit facility
                                                       -5,000,000                                               
          proceeds from term loan credit facility, net of discount
                                                                                                       
          repayments of prior notes payable
                                                                                                     
          fair value of assets acquired in acquisitions
                                                                                                       
          changes in assets and liabilities, net of effects from divestiture:
                                                                                                       
          deposits and other assets
                                                         -1,448,000 -1,608,000 -816,000 -1,247,000 520,000 -1,377,000 -115,000 271,000 -251,000 -152,000 -406,000 -260,000 183,000 -428,000 -96,000 -991,000 -323,000 2,381,000 1,065,000 -2,950,000 -519,000 -284,000 -167,000 -602,000 -674,000 -1,082,000 -819,000 -841,000 4,779,000 -889,000 228,000 -970,000 -688,000 -33,000 -326,000 76,000           
          benefit from deferred income taxes
                                                          1,023,000 2,504,000 3,120,000   -1,100,000 -1,230,000 -803,000 1,338,000    -789,000   -2,029,000 -49,574,000 -1,165,000 -823,000   -1,480,000 3,437,000 -1,709,000 892,000 5,415,000 5,254,000 1,913,000 5,495,000   1,346,000 618,000  3,408,000           
          stock-based compensation
                                                          1,702,000 1,646,000 1,569,000 1,577,000 1,432,000 1,723,000 1,697,000 1,723,000 1,989,000 1,940,000 1,955,000 2,040,000 2,349,000 1,948,000 1,931,000 2,155,000 2,675,000 2,391,000 2,426,000 2,382,000 2,123,000    1,795,000                     
          payments on notes payable
                                                              -9,815,000 -4,625,000 -4,625,000 -2,312,000 -2,313,000 -2,312,000 -2,387,000 -1,375,000 -1,375,000 -77,270,000 -12,712,000 -23,050,000 -1,784,000 -6,645,000 -7,737,000 -3,769,000 -14,001,000 -10,140,000 -10,152,000 -2,691,000 -3,860,000 -27,260,000 -10,585,000   -93,325,000 -1,089,000 -1,088,000 -11,716,000 -3,493,000 -23,284,000 -8,500,000 -1,900,000         
          excess tax benefit from stock options and sars exercised and rsus vested
                                                                           7,000 -18,000   18,000 -29,000                       
          impairment charges for continuing operations
                                                                                                       
          payment of prior notes payable discount
                                                                                                       
          payments on new term loan credit facility
                                                           -12,000,000 -24,000,000                                           
          proceeds from new term loan credit facility, net of discount
                                                                                                     
          proceeds from prior notes payable
                                                                                                       
          net settlement of employee equity awards
                                                                -41,000 -1,271,000 -734,000  -34,000                                   
          payment on nf investors, inc. (“nfi”) then-existing debt
                                                                                                       
          change in bank overdraft, net of overdraft acquired
                                                               -1,264,000    422,000    -3,274,000 3,274,000 -3,995,000    6,598,000                         
          cash paid (received) for income taxes
                                                                                                       
          supplemental disclosures of noncash investing and financing activities:
                                                                                                       
          fair value of assets acquired in acquisitions, net of cash received
                                                                              8,778,000                     -8,000 7,000   
          nfi then-existing debt
                                                                                                       
          preferred stock issued
                                                                   263,000                                    
          common stock issued
                                                                                                      
          excess tax benefits from sars exercised and rsus vested and issued
                                                                                                       
          impairment charges
                                                                   1,050,000    175,707,000                             
          gain on sale of discontinued operations, net of tax
                                                            -1,187,000                                         
          change in restricted cash and cash equivalents and investments balance
                                                            -582,000 -94,000 3,000                                         
          payments of employee tax withholdings from equity transactions
                                                            -29,000 -187,000 -656,000                                        
          excess tax benefit from sars exercised and rsus vested and issued
                                                                                                      
          excess tax benefits from rsus vested and issued
                                                                                                       
          excess tax benefit from rsus vested and issued
                                                             17,000 -6,000                                         
          changes in assets and liabilities, net of effects from divesture:
                                                                                                       
          payment of notes payable discount
                                                                                                      
          proceeds from notes payable
                                                                                                      
          payments on termination of derivative contracts
                                                                                                       
          cash (received) paid for income taxes
                                                                                                       
          fixed assets acquired through capital leases
                                                                       163,000 1,982,000 179,000 38,000 26,000 118,000 17,000 137,000 46,000 43,000 679,000 71,000 -15,000              
          increase in allowance for doubtful accounts and sales credits
                                                                935,000    1,856,000                                   
          excess tax benefit from sars exercised and rsus vested
                                                                -202,000                                       
          changes in assets and liabilities, net of effects from acquisition:
                                                                                                       
          other liabilities and deferred revenue
                                                                -907,000                                       
          cash payment for holdback liability for prior acquisitions
                                                                                                       
          capital lease payments
                                                                -169,000    -162,000 -159,000 -161,000    -175,000                             
          payment of revolving credit facility
                                                                                                       
          payments on nf investors, inc. (“nfi”) then-existing debt
                                                                                                       
          cash paid for interest, including financing costs
                                                                                                       
          fair value of assets acquired in acquisition, net of cash received
                                                                                                     
          nfi then-existing debt assumed
                                                                                                       
          other liabilities assumed
                                                                                                       
          net cash paid for acquisition
                                                                              30,789,000          1,000               
          excess tax benefits from sars exercised and rsus vested
                                                                                                       
          excess tax benefits from stock options and sars exercised and rsus vested
                                                                  -1,000                                     
          income taxes payable
                                                                           1,272,000 -3,162,000 237,000 -1,317,000 -2,452,000 7,808,000 3,522,000 14,533,000 444,000   -11,175,000 607,000 -633,000 734,000   -3,618,000 1,666,000 -4,424,000 3,482,000 -3,479,000 4,865,000 -7,093,000    
          purchase of intangible assets
                                                                                                     
          payment on nfi then-existing debt
                                                                                                       
          net loss
                                                                                                       
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                       
          deferred tax liability
                                                                               484,000                       
          excess tax benefit from stock options and stock appreciation rights (“sars”) exercised and rsus vested
                                                                                                       
          income tax receivable
                                                                                                       
          excess tax benefit from stock options and sars exercised and rsus vested and issued
                                                                                                       
          fair value of tangible assets acquired in acquisition, net of cash received
                                                                                                       
          adjustments to reconcile net income to net cash from operating activities, net of effects from acquisitions:
                                                                                                       
          cash payment for holdback liability for 2005 acquisition
                                                                                                     
          payment of employee tax withholdings from equity transactions
                                                                                                       
          excess of net working capital payable
                                                                                                       
          cash paid for acquisition
                                                                              -30,789,000                         
          excess net working capital payable
                                                                              -166,000                         
          noncash interest expense
                                                                                           248,000 711,000 243,000 247,000         
          payment on termination of derivative contract
                                                                                                       
          change in bank overdraft, net of effects of acquisition
                                                                                                       
          issuance of treasury stock for acquisition earn-out
                                                                                                       
          benefit from bad debts
                                                                            980,000 1,167,000 1,435,000 1,567,000 1,034,000 502,000 588,000 687,000 759,000 1,019,000 344,000                 
          excess tax benefit from stock options exercised
                                                                                                       
          proceeds from stock options exercised
                                                                                                       
          net change in foreign currency translation adjustment and unrealized loss on derivative financial instruments, net of tax
                                                                              -749,000                         
          adjustments to reconcile net income to net cash from operating activities, net of effects from acquisition:
                                                                                                       
          (gain) loss on disposal or sale of fixed assets
                                                                                         2,000 -63,000             
          proceeds from issuance of notes payable
                                                                                   1,600,000      2,500,000             
          net change in foreign currency translation adjustment and unrealized gain on derivative financial instruments, net of tax
                                                                               -521,000 -555,000 292,000 -265,000 177,000 -1,654,000 736,000 1,137,000 -570,000 79,000 -196,000 162,000 247,000 -235,000           
          earn-out liability
                                                                                                       
          treasury stock issued
                                                                                                       
          non-cash stock-based compensation
                                                                                2,266,000   1,788,000 1,857,000 1,791,000 1,367,000 21,000 40,000 41,000 40,000 95,000 218,000 219,000 218,000 219,000 218,000 219,000 218,000  219,000   
          issuance of treasury stock for acquisition earnout
                                                                                   -7,000 10,667,000                 
          excess tax benefit from stock option exercises
                                                                                  -3,132,000 -15,807,000 4,415,000 1,677,000 483,000                 
          cash paid for acquisition earnout
                                                                                      -35,963,000                 
          proceeds from issuance of common stock
                                                                                  1,066,000    3,206,000  160,000 988,000 828,000  538,000           
          proceeds from exercise of stock options
                                                                                   8,810,000 10,272,000                   
          gain on disposal or sale of fixed assets
                                                                                    45,000                   
          issuance costs of common stock
                                                                                                      
          benefit from (recovery of) bad debts
                                                                                         460,000 202,000             
          stock-based compensation in connection with tender offer
                                                                                                       
          cash paid under deferred purchase agreement
                                                                                                     
          repurchase of common stock and options, including transaction costs
                                                                                                       
          proceeds from issuance of common stock, net of issuance costs
                                                                                               -1,000    -1,080,000 994,000   
          accrued earn-out
                                                                                                       
          provision for (recovery of) bad debts
                                                                                                       
          repurchase of common stock and options
                                                                                                       
          noncompete covenants
                                                                                                  8,000   
          proceeds from sale of short-term investments
                                                                                                       
          (recovery of) benefit from bad debts
                                                                                            307,000           
          purchase of fixed assets
                                                                                            -1,458,000 -1,023,000 -1,510,000 -1,955,000 -4,026,000 -3,772,000 -3,260,000 -1,030,000 -1,166,000 -1,184,000 -948,000 
          cost of repurchase of common stock into treasury
                                                                                            1,000 -111,000         
          effect of exchange rate changes on cash and cash equivalents
                                                                                            -19,000           
          fixed assets obtained through capital leases
                                                                                                126,000 72,000 8,000  40,000 1,196,000 26,000 
          (recovery of) provision for bad debts
                                                                                              -250,000         
          deposits
                                                                                              -65,000 -47,000 -14,000 -77,000 -85,000 -64,000 -76,000   
          change in foreign currency translation adjustment and unrealized loss for derivative financial instruments, net of tax
                                                                                              -312,000         
          loss on extinguishment of debt
                                                                                                       
          provision for bad debts
                                                                                                 -6,000 29,000 23,000 849,000   
          income taxes receivable and other current assets
                                                                                                   -279,000 -4,619,000   
          due to former shareholder
                                                                                                       
          purchase of short-term investments
                                                                                                       
          change in bank overdraft, net of effects of acquisitions
                                                                                                       
          accrued interest on notes payable converted to notes payable
                                                                                                       
          earnout provision accrual
                                                                                                       
          deferred income tax benefit
                                                                                                1,600,000 750,000     
          gain on disposal of fixed assets
                                                                                                       
          changes in assets and liabilities, net of effects from acquisitions in 2002:
                                                                                                       
          proceeds from maturity of short-term held-to-maturity investments
                                                                                                    -1,522,000   
          acquisitions, net of cash acquired
                                                                                                    -27,000   
          offering costs
                                                                                                       
          effect of exchange rates changes on cash
                                                                                                -10,000       
          non-compete covenants
                                                                                                       
          extraordinary loss on extinguishment of debt
                                                                                                       
          present value of deferred purchase payments
                                                                                                       
          loss on disposal of fixed assets
                                                                                                       
          cash paid for deferred purchase agreement
                                                                                                       
          accrued interest on notes payable converted to additional notes payable
                                                                                                       
          deferred income taxes
                                                                                                       
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                       
          proceeds from maturity of short-term held-to-maturity investments
                                                                                                      4,148,000 
          costs of issuance of common stock
                                                                                                      -63,000 
          supplemental disclosures of non-cash investing and financing activities:
                                                                                                       
          accrued interest on notes payable converted to additional notes payable
                                                                                                       
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                       
          purchase of short-term held-to-maturity investments
                                                                                                       
          acquisitions, including acquisition costs
                                                                                                       
          proceeds from issuance of common stock, net of issuance costs
                                                                                                       
          change in bank overdraft, net of effects of acquisitions
                                                                                                       
          net increase in cash and cash equivalents
                                                                                                       
          supplemental disclosures of noncash investing and financing activities:
                                                                                                       
          common stock issued in exchange for minority interest
                                                                                                       
          accrued interest on notes payable converted to notes payable
                                                                                                       
          fair value of assets acquired in acquisitions, net of cash received