7Baggers

Heidrick & Struggles International, Inc
(NASDAQ:HSII) 

HSII stock logo

Heidrick & Struggles International, Inc., together with its subsidiaries, provides executive search and consulting services to businesses and business leaders worldwide. The company enables its clients to build leadership teams by facilitating the recruitment, management, and development of senior e...

Founded: 1953
Full Time Employees: 1,746
Sector: Industrials
Industry: Staffing & Employment Services

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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 
                                                                                                 
      revenue
                                                                                                 
      yoy
                                                                                                 
      qoq
                                                                                                 
      revenue before reimbursements
    322,837,000 317,248,000 283,578,000 276,191,000 278,559,000 278,626,000 265,197,000 253,162,000 263,160,000 271,225,000 239,317,000 235,717,000 255,185,000 298,701,000 283,861,000 285,539,000 263,825,000 259,981,000 193,656,000 160,987,000 143,544,000 145,603,000 171,481,000 180,034,000 182,174,000 173,122,000 171,594,000 185,305,000 187,588,000 183,059,000 160,071,000 169,380,000 159,800,000 152,214,000 140,006,000 159,821,000 143,519,000 148,861,000 130,189,000 144,520,000 138,421,000 133,045,000 115,153,000 121,262,000 125,829,000 136,080,000 111,121,000 118,003,000 118,981,000 122,033,000 102,978,000 103,874,000 117,312,000 116,065,000 106,526,000 127,159,000 142,213,000 142,799,000 115,622,000 127,223,000 126,129,000 126,071,000 113,668,000 109,872,000 103,523,000 93,115,000 89,141,000 134,929,000 158,318,000 169,518,000 153,139,000 153,574,000 162,901,000 160,053,000 143,126,000 132,233,000 124,636,000 120,173,000 101,481,000 100,737,000 109,605,000 103,373,000 98,582,000 98,670,000 91,607,000 97,926,000 87,229,000 82,008,000 76,941,000 81,674,000 77,311,000 78,157,000 87,356,000 
      reimbursements
    5,059,000 4,660,000 3,864,000 4,695,000 4,256,000 4,251,000 3,901,000 4,228,000 4,736,000 2,552,000 2,802,000 2,952,000 3,086,000 2,408,000 1,676,000 1,654,000 1,490,000 1,254,000 1,075,000 1,200,000 957,000 2,232,000 3,366,000 4,615,000 4,344,000 5,051,000 4,680,000 5,662,000 4,753,000 4,630,000 4,587,000 4,916,000 4,665,000 4,904,000 4,171,000 4,743,000 4,720,000 4,955,000 4,098,000 4,776,000 4,429,000 4,641,000 3,326,000 5,226,000 4,432,000 4,878,000 4,411,000 4,850,000 4,523,000 5,295,000 4,330,000 4,787,000 5,033,000 5,692,000 5,792,000 7,023,000 7,092,000 6,815,000 5,257,000 5,771,000 5,099,000 4,589,000 4,686,000 5,255,000 4,747,000 4,507,000 4,558,000 6,848,000 7,009,000 8,297,000 6,802,000 8,137,000 6,717,000 7,308,000 6,450,000 6,636,000 6,268,000 5,765,000 4,802,000 4,818,000 4,339,000 4,521,000 6,875,000 7,841,000 4,750,000 4,954,000 5,199,000 5,266,000 5,531,000 6,221,000 5,665,000 6,309,000 6,507,000 
      total revenue
    327,896,000 321,908,000 287,442,000 280,886,000 282,815,000 282,877,000 269,098,000 257,390,000 267,896,000 273,777,000 242,119,000 238,669,000 258,271,000 301,109,000 285,537,000 287,193,000 265,315,000 261,235,000 194,731,000 162,187,000 144,501,000 147,835,000 174,847,000 184,649,000 186,518,000 178,173,000 176,274,000 190,967,000 192,341,000 187,689,000 164,658,000 174,296,000 164,465,000 157,118,000 144,177,000 164,564,000 148,239,000 153,816,000 134,287,000 149,296,000 142,850,000 137,686,000 118,479,000 126,488,000 130,261,000 140,958,000 115,532,000 122,853,000 123,504,000 127,328,000 107,308,000 108,661,000 122,345,000 121,757,000 112,318,000 134,182,000 149,305,000 149,614,000 120,879,000 132,994,000 131,228,000 130,660,000 118,354,000 115,127,000 108,270,000 97,622,000 93,699,000 141,777,000 165,327,000 177,815,000 159,941,000 161,711,000 169,618,000 167,361,000 149,576,000 138,869,000 130,904,000 125,938,000 106,283,000 105,555,000 113,944,000 107,894,000 105,457,000 106,511,000 96,357,000 102,880,000 92,428,000 87,274,000 82,472,000 87,895,000 82,976,000 84,466,000 93,863,000 
      operating expenses
                                                                                                 
      salaries and benefits
    217,836,000 209,203,000 189,475,000 180,298,000 183,025,000 177,892,000 174,413,000 151,036,000 167,219,000 178,916,000 158,859,000 156,828,000 171,473,000 207,684,000 201,445,000 204,090,000 185,904,000 186,054,000 141,363,000 120,784,000 103,893,000 104,658,000 121,089,000 129,893,000 130,479,000 120,601,000                                                                    
      general and administrative expenses
    41,778,000 42,184,000 41,424,000 39,439,000 39,740,000 46,453,000 41,363,000 44,089,000 37,564,000 40,514,000 34,327,000 35,492,000 32,189,000 35,203,000 29,794,000 46,873,000 29,155,000 27,353,000 28,824,000 27,408,000 29,769,000 31,961,000 32,240,000 35,846,000 33,093,000 34,168,000 34,385,000 35,285,000 33,072,000 36,919,000 35,541,000 35,862,000 37,232,000 38,089,000 36,133,000 40,101,000 36,158,000 35,625,000 35,203,000 34,764,000 29,764,000 33,156,000 30,008,000 32,099,000 32,226,000 31,440,000 34,426,000 33,639,000 28,957,000 33,225,000 31,110,000 31,002,000 27,499,000 28,960,000 26,365,000 30,211,000 28,782,000 33,270,000 31,329,000 35,167,000 32,505,000 32,854,000 30,096,000 30,311,000 28,623,000 28,005,000 28,819,000 31,022,000 28,849,000 33,533,000 31,657,000 32,071,000 30,832,000 29,855,000 28,440,000 29,823,000 23,525,000 23,266,000 22,738,000 23,994,000 23,732,000 22,366,000 24,277,000 29,729,000 23,033,000 23,024,000 20,747,000 23,209,000 21,081,000 20,398,000 22,562,000 23,295,000 27,558,000 
      cost of services
    37,644,000 34,594,000 30,059,000 30,792,000 31,030,000 29,696,000 27,432,000 30,221,000 30,680,000 25,306,000 22,832,000 17,484,000 17,801,000 17,403,000 17,988,000 17,968,000 18,686,000 14,675,000                                                                            
      research and development
    6,418,000 6,037,000 6,392,000 6,053,000 5,682,000 5,605,000 5,715,000 5,952,000 5,560,000 5,658,000 5,528,000 6,067,000 5,400,000 4,545,000 4,402,000                                                                               
      impairment charges
       43,254,000  16,224,000    7,246,000            32,970,000          11,564,000  39,158,000                       26,366,000                                     
      restructuring charges
         6,939,000           -3,262,000 3,193,000 3,861,000 4,257,000 48,115,000    4,130,000                             507,000 303,000            13,362,000         2,000 -149,000 379,000 176,000 76,000 1,580,000 20,837,000      22,530,000 1,413,000     
      reimbursed expenses
    5,059,000 4,660,000 3,864,000 4,695,000 4,256,000 4,251,000 3,901,000 4,228,000 4,736,000 2,552,000 2,802,000 2,952,000 3,086,000 2,408,000 1,676,000 1,654,000 1,490,000 1,254,000 1,075,000 1,200,000 957,000 2,232,000 3,366,000 4,615,000 4,344,000 5,051,000 4,680,000 5,662,000 4,753,000 4,630,000 4,587,000 4,916,000 4,665,000 4,904,000 4,171,000 4,743,000 4,720,000 4,955,000 4,098,000 4,776,000 4,429,000 4,641,000 3,326,000 5,226,000 4,432,000 4,878,000 4,411,000 4,850,000 4,523,000 5,295,000 4,330,000 4,787,000 5,033,000 5,692,000 5,792,000 7,023,000 7,092,000 6,815,000 5,257,000 5,771,000 5,099,000 4,589,000 4,686,000 5,255,000 4,747,000 4,507,000 4,558,000 6,848,000 7,009,000 8,297,000 6,802,000 8,137,000 6,717,000 7,308,000 6,450,000 6,636,000 6,268,000 5,765,000 4,802,000 4,818,000 4,393,000 4,455,000 6,887,000 6,344,000 4,750,000 4,954,000 5,199,000 5,266,000 5,531,000 6,221,000 5,665,000 6,309,000 6,507,000 
      total operating expenses
    308,735,000 296,678,000 271,214,000 304,531,000 263,733,000 287,060,000 252,824,000 235,526,000 245,759,000 260,192,000 224,348,000 218,823,000 229,949,000 267,243,000 255,305,000 270,585,000 231,973,000 232,529,000 175,123,000 153,649,000 182,734,000 171,821,000 156,695,000 170,354,000 172,046,000 159,820,000 159,883,000 174,275,000 171,758,000 169,228,000 151,537,000 193,068,000 150,443,000 185,529,000 137,539,000 156,899,000 136,233,000 142,122,000 130,419,000 144,011,000 129,917,000 128,514,000 111,807,000 122,684,000 120,704,000 128,446,000 114,752,000 121,772,000 115,151,000 121,586,000 106,919,000 109,132,000 112,160,000 115,018,000 109,132,000 138,684,000 161,940,000 139,304,000 124,967,000 123,667,000 126,848,000 123,067,000 122,130,000 104,621,000 101,554,000 109,175,000 126,079,000 136,641,000 144,469,000 159,148,000 149,065,000 143,503,000 144,161,000 147,849,000 133,249,000 130,334,000 113,341,000 110,420,000 97,850,000 95,580,000 100,996,000 115,712,000 99,076,000 99,763,000 88,161,000 94,277,000 87,315,000 106,327,000 79,173,000 89,536,000 87,877,000 107,883,000 90,309,000 
      operating income
    19,161,000 25,230,000 16,228,000 -23,645,000 19,082,000 -4,183,000 16,274,000 21,864,000 22,137,000 13,585,000 17,771,000 19,846,000 28,322,000 33,866,000 30,232,000 16,608,000 33,342,000 28,706,000 19,608,000 8,538,000 -38,233,000 -23,986,000 18,152,000 14,295,000 14,472,000 18,353,000 16,391,000 16,692,000 20,583,000 18,461,000 13,121,000 -18,772,000 14,022,000 -28,411,000 6,638,000 7,665,000 12,006,000 11,694,000 3,868,000 5,285,000 12,933,000 9,172,000 6,672,000 3,804,000 9,557,000 12,512,000 780,000 1,081,000 8,353,000 5,742,000 389,000 -471,000 10,185,000 6,739,000 3,186,000 -4,502,000 -12,635,000 10,310,000 -4,088,000 9,327,000 4,380,000 7,593,000 -3,776,000 10,506,000 6,716,000 -11,553,000 -32,380,000 5,136,000 20,858,000 18,667,000 10,876,000 18,208,000 25,457,000 19,512,000 16,327,000 8,535,000 17,563,000 15,518,000 8,433,000 9,975,000 12,948,000 -7,818,000 6,381,000 6,748,000 8,196,000 8,603,000 5,113,000 -19,053,000 3,299,000 -1,641,000 -4,901,000 -23,417,000 3,554,000 
      yoy
    0.41% -703.16% -0.28% -208.15% -13.80% -130.79% -8.42% 10.17% -21.84% -59.89% -41.22% 19.50% -15.06% 17.98% 54.18% 94.52% -187.21% -219.68% 8.02% -40.27% -364.19% -230.69% 10.74% -14.36% -29.69% -0.59% 24.92% -188.92% 46.79% -164.98% 97.66% -344.91% 16.79% -342.95% 71.61% 45.03% -7.17% 27.50% -42.03% 38.93% 35.32% -26.69% 755.38% 251.90% 14.41% 117.90% 100.51% -329.51% -17.99% -14.79% -87.79% -89.54% -180.61% -34.64% -177.94% -148.27% -388.47% 35.78% 8.26% -11.22% -34.78% -165.72% -88.34% 104.56% -67.80% -161.89% -397.72% -71.79% -18.07% -4.33% -33.39% 113.33% 44.95% 25.74% 93.61% -14.44% 35.64% -298.49% 32.16% 47.82% 57.98% -190.88% 24.80% -135.42% 148.44% -624.25% -204.33% -18.64% -7.18%     
      qoq
    -24.05% 55.47% -168.63% -223.91% -556.18% -125.70% -25.57% -1.23% 62.95% -23.56% -10.46% -29.93% -16.37% 12.02% 82.03% -50.19% 16.15% 46.40% 129.66% -122.33% 59.40% -232.14% 26.98% -1.22% -21.15% 11.97% -1.80% -18.90% 11.49% 40.70% -169.90% -233.88% -149.35% -528.01% -13.40% -36.16% 2.67% 202.33% -26.81% -59.14% 41.01% 37.47% 75.39% -60.20% -23.62% 1504.10% -27.84% -87.06% 45.47% 1376.09% -182.59% -104.62% 51.14% 111.52% -170.77% -64.37% -222.55% -352.20% -143.83% 112.95% -42.32% -301.09% -135.94% 56.43% -158.13% -64.32% -730.45% -75.38% 11.74% 71.63% -40.27% -28.48% 30.47% 19.51% 91.29% -51.40% 13.18% 84.02% -15.46% -22.96% -265.62% -222.52% -5.44% -17.67% -4.73% 68.26% -126.84% -677.54% -301.04% -66.52% -79.07% -758.89%  
      operating margin %
    Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% 
      non-operating income
                                                                                                 
      interest
    3,436,000 2,639,000 3,955,000 5,154,000 2,570,000 2,612,000 4,086,000 3,950,000 2,505,000 1,913,000 3,249,000 3,673,000 1,255,000 299,000 110,000 95,000 90,000 35,000 82,000 44,000 -180,000 -339,000 679,000 841,000 819,000 412,000 808,000 645,000 259,000 -2,000 239,000 190,000 94,000 -96,000 197,000 72,000 42,000 58,000 72,000 178,000 -54,000 -175,000 -71,000 -126,000 -152,000 -110,000 30,000 -55,000 -91,000                                             
      other
    3,884,000 3,276,000 -2,566,000 5,689,000 -555,000 997,000 2,571,000 -840,000 -649,000 1,377,000 1,809,000 -627,000 -43,000 774,000 -2,471,000 1,203,000 145,000 3,033,000 3,082,000 3,467,000 1,819,000 3,076,000 -4,435,000 1,011,000 -464,000 708,000 1,643,000 -1,355,000 2,345,000 -48,000 -448,000 -507,000 147,000 -179,000 -2,741,000 1,871,000 340,000 29,000 49,000 -690,000 -1,742,000 121,000 -75,000 -1,664,000 -488,000 342,000 -298,000 -327,000 -709,000 -584,000 -381,000 454,000 -299,000 -1,476,000 826,000 -1,785,000 -1,803,000 441,000 -2,115,000 272,000 733,000 -2,448,000 54,000 -215,000 470,000 -3,538,000 -906,000 1,219,000 499,000 982,000 -1,063,000 -46,000 -923,000 448,000 233,000 -1,016,000 -83,000 -674,000 223,000 282,000 43,000 709,000 409,000 -1,076,000 158,000 83,000 -189,000 -700,000 115,000 -315,000 -822,000 396,000 -576,000 
      net non-operating income
    7,320,000 5,915,000 1,389,000 10,843,000 2,015,000 3,609,000 6,657,000 3,110,000 1,856,000 3,290,000 5,058,000 3,046,000 1,212,000 1,073,000 -2,361,000 1,298,000 235,000 3,068,000 3,164,000 3,511,000 1,639,000 2,737,000 -3,756,000 1,852,000 355,000 1,120,000 2,451,000 -710,000 2,604,000  -209,000 -317,000 241,000 -275,000 -2,544,000 1,943,000 382,000 87,000 121,000   -54,000    232,000    -690,000 -304,000   -1,245,000 1,302,000 -1,236,000 -1,503,000 699,000 -1,820,000 512,000 890,000  282,000 74,000 534,000 -3,359,000 -237,000 2,195,000 1,680,000 1,887,000 954,000 2,465,000 1,151,000 2,003,000 2,012,000 690,000 1,630,000 704,000 2,193,000 2,004,000 1,990,000 1,741,000 1,261,000 96,000 57,255,000 1,040,000 48,000 -186,000 677,000 121,000 -140,000 1,691,000 -969,000 
      income before income taxes
    26,481,000 31,145,000 17,617,000 -12,802,000 21,097,000 -574,000 22,931,000 24,974,000 23,993,000 16,875,000 22,829,000 22,892,000 29,534,000 34,939,000 27,871,000 17,906,000 33,577,000 31,774,000 22,772,000 12,049,000 -36,594,000 -21,249,000 14,396,000 16,147,000 14,827,000 19,473,000 18,842,000 15,982,000 23,187,000 18,411,000 12,912,000 -19,089,000 14,263,000 -28,686,000 4,094,000 9,608,000 12,388,000 11,781,000 3,989,000 4,773,000 11,137,000 9,118,000 6,526,000 2,014,000 8,917,000 12,744,000 512,000 699,000 7,553,000 5,052,000 85,000 245,000 10,035,000 5,494,000 4,488,000 -5,738,000 -14,138,000 11,009,000 -5,908,000 9,839,000 5,270,000 5,333,000 -3,494,000 10,580,000 7,250,000 -14,912,000 -32,617,000 7,331,000 22,538,000 20,554,000 11,830,000 20,673,000 26,608,000 21,515,000 18,339,000 9,225,000 19,193,000 16,222,000 10,626,000 11,979,000 14,938,000 -6,077,000 7,642,000 6,844,000 65,451,000 9,643,000 5,161,000 -646,250 3,976,000 -1,520,000 -5,041,000   
      provision for income taxes
    8,835,000 10,072,000 4,311,000 2,174,000 6,268,000 4,583,000 8,899,000 10,119,000 9,006,000 7,893,000 7,243,000 6,848,000 8,708,000 10,790,000 9,404,000 5,429,000 9,079,000 11,009,000 7,940,000 6,511,000 -10,416,000 4,484,000 5,730,000 5,592,000 4,880,000 5,193,000 6,755,000 4,787,000 6,718,000 6,948,000 2,744,000 20,119,000 6,092,000                                                  782,000           
      net income
    17,646,000 21,073,000 13,306,000 -14,976,000 14,829,000 -5,157,000 14,032,000 14,855,000 14,987,000 8,982,000 15,586,000 16,044,000 20,826,000 24,149,000 18,467,000 12,477,000 24,498,000 20,765,000 14,832,000 5,538,000 -26,178,000 -25,733,000 8,666,000 10,555,000 9,947,000 14,280,000 12,087,000 11,195,000 16,469,000 11,463,000 10,168,000 -39,208,000 8,171,000 -18,248,000 650,000 493,000 6,940,000 6,655,000 1,325,000 1,260,000 7,490,000 4,956,000 3,426,000 762,000 2,992,000 3,787,000 -744,000 1,502,000 4,124,000 1,937,000 -1,215,000 -402,000 4,111,000 1,852,000 679,000 -4,089,000 -32,401,000 7,429,000 -4,661,000 5,183,000 1,184,000 2,672,000 -1,546,000 9,378,000 4,408,000 -15,767,000 -18,927,000 5,283,000 13,979,000 12,744,000 7,068,000 9,236,000 16,132,000 21,019,000 10,076,000 6,776,000 11,151,000 10,390,000 5,926,000 6,929,000 30,396,000 -4,967,000 6,860,000 9,008,000 62,149,000 6,926,000 4,225,000 -72,374,000 1,052,000 -2,609,000 -6,737,000 -19,954,000 924,000 
      yoy
    19.00% -508.63% -5.17% -200.81% -1.05% -157.41% -9.97% -7.41% -28.04% -62.81% -15.60% 28.59% -14.99% 16.30% 24.51% 125.30% -193.58% -180.69% 71.15% -47.53% -363.17% -280.20% -28.30% -5.72% -39.60% 24.57% 18.87% -128.55% 101.55% -162.82% 1464.31% -8052.94% 17.74% -374.20% -50.94% -60.87% -7.34% 34.28% -61.33% 65.35% 150.33% 30.87% -560.48% -49.27% -27.45% 95.51% -38.77% -473.63% 0.32% 4.59% -278.94% -90.17% -112.69% -75.07% -114.57% -178.89% -2836.57% 178.03% 201.49% -44.73% -73.14% -116.95% -91.83% 77.51% -68.47% -223.72% -367.78% -42.80% -13.35% -39.37% -29.85% 36.30% 44.67% 102.30% 70.03% -2.21% -63.31% -309.18% -13.62% -23.08% -51.09% -171.72% 62.37% -112.45% 5807.70% -365.47% -162.71% 262.70% 13.85%     
      qoq
    -16.26% 58.37% -188.85% -200.99% -387.55% -136.75% -5.54% -0.88% 66.86% -42.37% -2.85% -22.96% -13.76% 30.77% 48.01% -49.07% 17.98% 40.00% 167.82% -121.16% 1.73% -396.94% -17.90% 6.11% -30.34% 18.14% 7.97% -32.02% 43.67% 12.74% -125.93% -579.84% -144.78% -2907.38% 31.85% -92.90% 4.28% 402.26% 5.16% -83.18% 51.13% 44.66% 349.61% -74.53% -20.99% -609.01% -149.53% -63.58% 112.91% -259.42% 202.24% -109.78% 121.98% 172.75% -116.61% -87.38% -536.14% -259.39% -189.93% 337.75% -55.69% -272.83% -116.49% 112.75% -127.96% -16.70% -458.26% -62.21% 9.69% 80.31% -23.47% -42.75% -23.25% 108.60% 48.70% -39.23% 7.32% 75.33% -14.48% -77.20% -711.96% -172.41% -23.85% -85.51% 797.33% 63.93% -105.84% -6979.66% -140.32% -61.27% -66.24% -2259.52%  
      net income margin %
    Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% -Infinity% -Infinity% Infinity% 
      other comprehensive income, net of tax
    -261,000 6,519,000 2,502,000 -14,985,000 6,996,000 -2,094,000 -4,091,000   -75,000 443,000   -7,524,000  -337,250 -661,000 5,000  -348,750 850,000 1,501,000 -3,746,000   5,000 320,000 -57,000 -881,000 -3,816,000 1,590,000 2,356,000 1,619,000 3,393,000 2,625,000   -1,275,000 1,330,000   -555,000 -682,000 -2,847,000 -2,587,000 591,000 1,097,000 919,000 594,000 -1,346,000 -159,000 -2,593,000 1,278,000 -1,146,000 1,184,000                                       
      foreign currency translation adjustment
    -287,000 6,526,000 2,541,000 -15,233,000 6,977,000 -2,103,000 -4,058,000 8,511,000 -4,015,000 -88,000 402,000 5,611,000 -5,462,000 -7,524,000 -1,082,000 -541,000 -661,000 5,000 -693,000 1,463,000 849,000 1,486,000 -3,716,000 1,868,000 -1,337,000 -7,000 320,000 -778,000 -881,000 -3,816,000 1,590,000 1,074,000 995,000 2,967,000 1,817,000 -5,098,000 -717,000 -1,561,000 1,105,000 -166,000 -347,000 -455,000 -843,000 -168,000 -2,315,000 215,000 1,033,000 -230,000 232,000 -1,511,000 -490,000                                           
      net unrealized gain on available-for-sale investments
    26,000 -7,000  16,000 19,000 9,000 -33,000 15,000 14,000 13,000 41,000 2,000 8,000       1,000 1,000 15,000  1,000  12,000      802,000 624,000 426,000 808,000 5,000 519,000 286,000 225,000 13,000 -941,000   102,000 -349,000                                                 
      comprehensive income
    17,385,000 27,592,000 15,808,000 -29,961,000 21,825,000 -7,251,000 9,941,000 22,806,000 10,986,000 8,907,000 16,029,000 24,240,000 15,372,000 16,625,000 17,385,000 12,084,000 23,837,000 20,770,000 14,139,000 6,526,000 -25,328,000 -24,232,000 4,920,000 11,329,000 8,610,000 14,285,000 12,407,000 11,138,000 15,588,000 7,647,000 11,758,000 -36,852,000 9,790,000 -14,855,000 3,275,000 -5,301,000 6,742,000 5,380,000 2,655,000 1,821,000 6,202,000 4,401,000 2,744,000 -2,085,000 405,000 4,378,000 353,000 2,421,000 4,718,000 591,000 -1,374,000 -2,995,000 5,389,000 706,000 1,863,000                                       
      weighted-average common shares outstanding
                                                                                                 
      basic
    20,735,000 20,649,000 20,464,000 20,293,000 20,357,000 20,259,000 20,144,000 20,029,000 20,076,000 20,010,000 19,904,000 19,758,000 19,816,000 19,726,000 19,624,000 19,515,000 19,569,000 19,510,000 19,387,000 19,301,000 19,351,000 19,298,000 19,192,000      18,954,000 18,934,000 18,826,000                                          17,994,000 18,034,000   17,462,000 18,069,000   18,694,000 18,956,000 19,226,000  19,124,000 19,000,000 18,489,000  18,261,000 18,138,000 18,157,000 18,107,000 18,129,000 
      diluted
    21,316,000 21,215,000 21,318,000 21,188,000 21,024,000 20,259,000 21,040,000 20,766,000 20,553,000 20,637,000 20,569,000 20,618,000 20,413,000 20,314,000 20,511,000 20,296,000 20,240,000 20,115,000 20,171,000 19,301,000 19,351,000 19,298,000 19,776,000      19,401,000 19,328,000 19,321,000                                          19,185,000 18,981,000   18,455,000 18,962,000   19,269,000 18,956,000 20,661,000  20,167,000 20,082,000 19,427,000  19,141,000 18,138,000 18,157,000 18,107,000 19,008,000 
      earnings per common share
                                                                                                 
      basic
    850 1,020 650 -740 730 -250 700 740 750 450 780 800 1,050 1,220 940 640 1,250 1,060 770 290 -1,350 -1,330 450     505 870 610 540                                                               
      diluted
    830 990 620 -710 710 -250 670 710 730 440 760 770 1,020 1,190 900 610 1,210 1,030 740 290 -1,350 -1,330 440     490 850 590 530                                                               
      cash dividends paid per share
    0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13  0.26 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13                       
      net unrealized loss on available-for-sale investments
      -39,000                    -30,000                                                                       
      other comprehensive loss, net of tax
           -908,250 -4,001,000   8,196,000 -5,454,000  -1,082,000    -693,000     -253,000 -1,337,000           -5,794,000 -198,000   -631,250 -1,288,000                                                     
      basic weighted-average common shares outstanding
                           19,103,000 19,127,000 19,120,000 19,003,000 18,917,000    18,735,000 18,781,000 18,749,000 18,628,000 18,540,000 18,577,000 18,557,000 18,448,000 18,334,000 18,372,000 18,315,000 18,249,000 18,210,000 18,233,000 18,215,000 18,152,000 18,077,000 18,104,000 18,076,000 18,010,000 17,971,000 17,995,000 18,010,000 17,902,000 17,780,000 17,840,000 17,803,000 17,627,000 17,437,000 17,524,000 17,487,000 17,186,000 16,901,000 17,030,000 16,981,000 16,518,000 16,747,000 16,455,000 16,884,000 17,296,000 17,854,000   17,847,000 17,925,000   18,554,000 18,898,000    18,941,000          
      diluted weighted-average common shares outstanding
                           19,551,000 19,428,000 19,431,000 19,504,000 19,532,000    18,735,000 19,016,000 18,749,000 19,219,000 19,038,000 18,850,000 18,817,000 18,979,000 18,715,000 18,649,000 18,598,000 18,564,000 18,432,000 18,466,000 18,384,000 18,152,000 18,232,000 18,223,000 18,224,000 18,010,000 18,120,000 18,097,000 18,138,000 18,173,000 17,780,000 17,840,000 17,955,000 17,627,000 17,869,000 17,793,000 17,859,000 17,186,000 16,901,000 17,635,000 16,981,000 16,518,000 17,727,000 17,395,000 17,672,000 18,460,000 18,984,000   19,029,000 18,916,000   19,465,000 19,761,000    20,012,000          
      basic net income per common share
                           550 520 750 640     -2,100 440 -970 30 20 370 360 70 60 410 270 190 40 160 210  67.5 230 110  92.5 230 100 40                                       
      diluted net income per common share
                           540 510 730 620     -2,100 430 -970 30 20 370 350 70 70 400 270 180 40 160 210  67.5 230 110  92.5 230 100 40                                       
      dilutive common shares
                             311,000 501,000      235,000  591,000 68,250 273,000 260,000 531,000 69,250 277,000 283,000 315,000 49,250 233,000 169,000  35,750 119,000 148,000  41,750 102,000 128,000 271,000                                       
      salaries and employee benefits
                              120,818,000 133,328,000 133,933,000 127,679,000 111,409,000 125,060,000 108,546,000 103,378,000 97,235,000 112,055,000 95,355,000 101,542,000 91,118,000 104,471,000 95,724,000 90,717,000 78,473,000 85,359,000 84,046,000 92,128,000 75,915,000 83,283,000 81,671,000 83,066,000 71,479,000 73,343,000 79,628,000 79,859,000 76,672,000 85,106,000 99,700,000 99,219,000 88,381,000 82,729,000 88,324,000 85,995,000 83,130,000 69,435,000 68,184,000 64,586,000 79,340,000 98,771,000 108,611,000 117,318,000 110,606,000 103,295,000 106,612,000 110,686,000 98,359,000 93,873,000 83,697,000 81,010,000 70,134,000 66,692,000 71,291,000 68,054,000 67,912,000 63,140,000 60,378,000 66,299,000 61,369,000 55,322,000 51,148,000 62,917,000 54,150,000 52,916,000 56,244,000 
      net non-operating expense
                                 -50,000          -512,000 -1,796,000  -146,000 -169,000 -640,000  -268,000 -448,750 -800,000   -23,250 -150,000         -2,260,000                                
      revenue:
                                                                                                 
      operating expenses:
                                                                                                 
      non-operating income:
                                                                                                 
      other comprehensive income, net of tax:
                                                                                                 
      benefit from income taxes
                                     -10,438,000 3,444,000 9,115,000 5,448,000 5,126,000 2,664,000 3,513,000 3,647,000 4,162,000 3,100,000 1,252,000 5,925,000 8,957,000 1,256,000 -803,000 3,429,000 3,115,000 1,300,000 647,000 5,924,000 3,642,000 3,809,000 -1,649,000 18,263,000 3,580,000 -1,247,000 4,656,000 4,086,000 2,661,000 -1,948,000 1,202,000 2,842,000 855,000 -13,690,000 2,048,000 8,559,000 7,810,000 4,762,000 11,437,000 10,476,000 496,000 8,263,000 2,449,000 8,042,000 5,832,000 4,700,000 5,050,000 -15,458,000 -1,110,000  -2,164,000 3,302,000 2,717,000 936,000 53,135,000 2,924,000 1,089,000 1,696,000 -1,772,000 1,661,000 
      unrealized loss on cash flow hedge
                                             -2,000 -76,000   -65,000 -4,000    -120,000                                           
      non-operating expense:
                                                                                                 
      other comprehensive loss, net of tax:
                                                                                                 
      unrealized gain on cash flow hedge
                                               -45,000 77,000   19,000 -74,000 270,000                                            
      net unrealized gains on available-for-sale investments
                                             -98,000 237,000   441,000                                                
      unrealized gains on available-for-sale investments
                                                  68,000 195,750 436,000 -105,000 451,000                                           
      basic loss per common share
                                                  -40            -260    -90                           -140 -370   
      diluted loss per common share
                                                  -40            -260    -90                           -140 -370   
      interest expense
                                                     -106,000                  -18,000 -18,000 -37,000 -17,000 -9,000   -38,000 -22,000 -18,000 -8,000 -13,000 -20,000 -18,000 -186,000 -155,000 -155,000 -19,000 -18,000 -5,000 -56,000 -20,000 -53,000 -37,000 -51,000 -71,000 
      interest income
                                                      77,000 262,000 149,000 231,000 476,000 549,000 300,000 258,000 295,000 240,000 157,000 188,000 228,000 289,000 64,000 179,000 669,000 904,000 1,199,000 942,000 2,058,000 2,535,000 2,061,000 1,627,000 1,876,000 1,652,000 1,412,000 1,467,000 1,787,000 1,991,000 1,539,000 1,264,000 1,157,000 1,222,000 671,000 331,000 364,000 344,000 383,000 468,000 492,000 628,000 479,000 
      basic earnings per common share
                                                      -70     -230 -1,820 420  300 70 150  560 260 -930 -1,150 330 850 750  530 900 1,170 560 390 640 580 320 380 1,630 -260 360 470 3,250 360 230 -115 60     
      diluted earnings per common share
                                                      -70     -230 -1,820 410      560 250 -930 -1,150 310 800 720 380 490 840 1,110 530 360 600 550 300 360 1,580 -260 330 430 3,080 340 220 -115 50     
      other charges
                                                                  4,218,000                               
      other operating income
                                                                 -1,072,000                                
      restructuring and impairment charges
                                                                920,000 701,000  1,281,000  12,077,000                            
      diluted income per common share
                                                               32.5 70 150                                
      net realized and unrealized losses on equity and warrant portfolio, net of the consultant’s share of the losses
                                                                          -24,000                       
      net realized and unrealized gains
                                                                           -15,000 22,000 -64,000 -59,000   -81,000 196,000   -46,000            
      weighted-average common shares outstanding:
                                                                                                 
      basic
    20,735,000 20,649,000 20,464,000 20,293,000 20,357,000 20,259,000 20,144,000 20,029,000 20,076,000 20,010,000 19,904,000 19,758,000 19,816,000 19,726,000 19,624,000 19,515,000 19,569,000 19,510,000 19,387,000 19,301,000 19,351,000 19,298,000 19,192,000      18,954,000 18,934,000 18,826,000                                          17,994,000 18,034,000   17,462,000 18,069,000   18,694,000 18,956,000 19,226,000  19,124,000 19,000,000 18,489,000  18,261,000 18,138,000 18,157,000 18,107,000 18,129,000 
      diluted
    21,316,000 21,215,000 21,318,000 21,188,000 21,024,000 20,259,000 21,040,000 20,766,000 20,553,000 20,637,000 20,569,000 20,618,000 20,413,000 20,314,000 20,511,000 20,296,000 20,240,000 20,115,000 20,171,000 19,301,000 19,351,000 19,298,000 19,776,000      19,401,000 19,328,000 19,321,000                                          19,185,000 18,981,000   18,455,000 18,962,000   19,269,000 18,956,000 20,661,000  20,167,000 20,082,000 19,427,000  19,141,000 18,138,000 18,157,000 18,107,000 19,008,000 
      net realized and unrealized gains on equity and warrant portfolio, net of the consultants’ share of the gains
                                                                               108,500 319,000   57,500 426,000             
      net realized and unrealized losses on equity and warrant portfolio, net of the consultants’ share of the losses
                                                                                      -150,000           
      realized and unrealized gains on equity and warrant portfolio, net of the consultants’ share of the gains
                                                                                       14,241,750 56,445,000         
      net realized and unrealized gains on equity and warrant portfolio
                                                                                         644,000 -122,000 226,000 199,000 21,000 227,000 718,000 -801,000 
      write-down of long-term investment
                                                                                               -1,250,000  
      severance and office consolidation charges
                                                                                              5,500,000   
      special charges
                                                                                               25,363,000  
      income before income taxes and cumulative effect of accounting change
                                                                                               -21,726,000 2,585,000 
      net income before cumulative effect of accounting change
                                                                                               -5,052,000 924,000 
      cumulative effect of accounting change, net of tax
                                                                                                 
      basic earnings per common share:
                                                                                                 
      cumulative effect of accounting change
                                                                                                 
      total basic earnings per common share
                                                                                               -1,100 50 
      diluted earnings per common share:
                                                                                                 
      total diluted earnings per common share
                                                                                               -1,100 50 
    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 
                                                                                                   
        current assets
                                                                                                   
        cash and cash equivalents
      454,640,000 211,172,000 211,944,000 515,627,000 363,422,000 189,922,000 252,831,000 412,618,000 286,429,000 217,776,000 204,691,000 355,447,000 275,468,000 336,634,000 267,986,000 545,225,000 348,292,000 237,832,000 184,055,000 316,473,000 170,577,000 218,760,000 251,000,000 271,719,000 176,372,000 105,314,000 114,414,000 279,906,000 164,216,000 85,825,000 73,358,000 207,534,000 105,718,000 58,178,000 68,329,000 165,011,000 99,975,000 85,391,000 62,047,000 190,452,000 128,960,000 119,884,000 107,625,000 211,352,000 159,537,000 123,350,000 101,405,000 181,646,000 132,790,000 99,695,000 85,660,000 117,605,000 127,137,000 96,851,000 82,640,000 185,390,000 135,499,000 103,078,000 92,170,000 181,124,000 122,763,000 92,593,000 81,171,000 123,030,000 75,294,000 64,628,000 96,372,000 234,531,000 183,023,000 146,074,000 142,823,000 260,580,000 148,994,000 109,194,000 121,476,000  137,399,000 109,765,000 69,536,000 203,689,000 133,911,000 83,676,000 57,665,000 222,753,000 280,231,000 118,674,000 97,329,000 119,289,000 110,164,000 95,888,000 78,719,000 110,220,000 109,670,000 
        marketable securities
      73,442,000 188,355,000 112,715,000 47,896,000 46,005,000 106,963,000  65,538,000 47,560,000 21,240,000  266,169,000 180,507,000       19,999,000 67,028,000 69,055,000  61,153,000 42,566,000 38,698,000                                                                    
        accounts receivable
      204,085,000 210,577,000 182,136,000 134,331,000 186,252,000 187,113,000 172,953,000 133,128,000 189,442,000 197,899,000 160,092,000 126,437,000 190,893,000 214,268,000 186,220,000 133,750,000 181,167,000 168,504,000 128,419,000 88,123,000 119,102,000 124,845,000 131,371,000 109,163,000 150,872,000 146,982,000 135,156,000 114,977,000 158,107,000 153,948,000 133,681,000 98,700,000 129,640,000 124,410,000 111,366,000 93,191,000 114,726,000 107,108,000 95,543,000 76,058,000 106,674,000 97,270,000 83,004,000 68,353,000 94,130,000 105,011,000 85,438,000 71,666,000    69,107,000    69,081,000    83,360,000    64,224,000    68,233,000    82,240,000         73,360,000 72,961,000 66,636,000  56,422,000 64,789,000 56,675,000  50,403,000 51,829,000 51,051,000  57,134,000 
        prepaid expenses
      31,553,000 30,436,000 33,970,000 28,718,000 27,682,000 28,016,000 31,426,000 23,597,000 28,333,000 27,401,000 31,529,000 24,098,000 27,322,000 25,819,000 30,681,000 21,754,000 26,624,000 25,040,000 26,600,000 18,956,000 21,513,000 24,605,000 26,505,000 20,185,000 20,436,000 23,193,000 26,179,000 22,766,000 25,083,000 27,609,000 29,075,000 22,003,000 24,420,000 23,784,000 24,407,000 21,602,000 23,936,000 20,493,000 21,986,000 19,197,000 15,715,000 15,369,000 15,085,000 14,536,000 15,153,000 16,587,000 16,446,000 14,786,000 17,321,000 14,200,000 14,536,000 14,167,000 16,782,000 19,947,000 18,253,000 16,551,000 17,483,000 19,485,000 18,429,000 15,323,000 19,662,000 17,703,000 17,307,000 15,916,000 21,838,000 21,941,000 22,798,000 19,520,000 20,440,000 21,159,000 19,375,000 15,026,000 14,241,000 11,562,000 12,448,000  10,614,000 8,846,000 8,786,000 8,178,000 8,707,000 7,701,000 10,028,000 8,377,000 9,099,000 7,659,000 9,022,000 9,022,000 9,433,000 8,801,000 11,049,000 11,881,000 11,811,000 
        other current assets
      49,716,000 48,200,000 47,421,000 39,935,000 48,928,000 43,745,000 48,865,000 47,923,000 50,611,000 50,622,000 42,830,000 40,722,000 41,578,000 46,314,000 47,146,000 41,449,000 34,447,000 33,781,000 25,496,000 23,279,000 23,817,000 27,811,000 32,133,000 27,848,000 27,966,000 30,082,000 29,228,000 29,598,000 29,783,000 27,638,000 28,104,000 11,620,000 15,258,000 13,783,000 16,539,000 13,779,000 14,867,000 14,030,000 15,163,000 11,250,000 13,464,000 1,355,000 1,292,000 1,592,000 1,757,000 1,698,000 1,813,000 1,807,000 1,715,000 2,597,000 1,591,000 1,366,000 1,353,000 1,330,000 1,399,000 1,382,000 1,482,000 1,520,000 1,572,000 1,871,000 1,408,000 1,253,000 1,598,000 1,693,000 1,981,000 1,372,000 1,265,000 1,788,000 1,378,000 1,537,000 1,538,000 1,419,000                      
        income taxes recoverable
      10,200,000 10,868,000 6,964,000 6,470,000 10,795,000 7,660,000 5,957,000 10,410,000 10,799,000 8,397,000 7,190,000 10,946,000 4,348,000 4,990,000 3,569,000 3,210,000 4,386,000 5,447,000 5,205,000 5,856,000 13,014,000 4,918,000 4,400,000 4,414,000 5,818,000 6,171,000 4,952,000 3,620,000 5,763,000 5,197,000 4,428,000 3,933,000 5,655,000 5,467,000 4,454,000 4,847,000 5,451,000 4,812,000 8,377,000 4,809,000 5,669,000 5,541,000 5,645,000 5,288,000 7,098,000 7,187,000 6,544,000 5,772,000 6,803,000 7,212,000 7,272,000 5,651,000 5,990,000 9,485,000 19,302,000 19,866,000 11,968,000 14,062,000 15,932,000 11,912,000 13,249,000 16,624,000 18,174,000 15,649,000 16,360,000 21,420,000 22,168,000 7,719,000 1,404,000 4,039,000 1,965,000  11,170,000 2,188,000   5,777,000 6,815,000 2,890,000 3,536,000 4,032,000 4,540,000 223,000         6,125,000  
        total current assets
      823,636,000 699,608,000 595,150,000 772,977,000 683,084,000 563,419,000 512,032,000 693,214,000 613,174,000 523,335,000 446,332,000 823,819,000 720,116,000 628,025,000 535,602,000 745,388,000 594,916,000 470,604,000 369,775,000 472,686,000 415,051,000 469,994,000 445,409,000 494,482,000 424,030,000 350,440,000 309,929,000 450,867,000 382,952,000 300,217,000 268,646,000 343,790,000 280,691,000 225,622,000 225,095,000 298,430,000 258,955,000 231,834,000 203,116,000 308,963,000 290,089,000 270,697,000 243,183,000 330,329,000 294,386,000 269,771,000 226,508,000 290,774,000 267,711,000 232,422,000 205,127,000 226,282,000 259,259,000 229,315,000 217,273,000 310,325,000 287,496,000 270,364,000 241,219,000 312,466,000 288,835,000 243,948,000 223,445,000 241,454,000 219,135,000 193,725,000 221,705,000 354,270,000 334,504,000 310,920,000 298,021,000 402,698,000 381,307,000 333,903,000 286,099,000  310,631,000 267,336,000 251,859,000 281,779,000 291,656,000 244,393,000 267,676,000 290,170,000 354,982,000 193,017,000 166,039,000 178,349,000 195,498,000 184,882,000 169,885,000 198,476,000 217,942,000 
        non-current assets
                                                                                                   
        property and equipment
      55,513,000 54,687,000 51,938,000 51,685,000 53,508,000 48,434,000 40,452,000 35,752,000 34,034,000 33,330,000 32,517,000 30,207,000 29,317,000 27,294,000 27,162,000 27,085,000 20,939,000 22,682,000 22,373,000 23,492,000 26,740,000 28,577,000 28,450,000 28,650,000 29,356,000 30,788,000 32,292,000 33,871,000 35,491,000 36,752,000 38,464,000 39,514,000 41,945,000 41,491,000 40,057,000 35,099,000 36,137,000 36,464,000 35,260,000 36,498,000 35,597,000 34,579,000 34,348,000 30,417,000 30,070,000 32,109,000 33,780,000 34,961,000 35,721,000 37,571,000 39,921,000 42,362,000 42,586,000 43,890,000 44,773,000 44,781,000 47,491,000 42,338,000 37,884,000 34,406,000 34,231,000 31,937,000 29,416,000 26,092,000 25,917,000 27,565,000 28,375,000 28,172,000 19,753,000 19,615,000 20,153,000 18,730,000 18,123,000 17,184,000 18,888,000  18,413,000 18,244,000 19,310,000 21,104,000 21,993,000 24,063,000 25,518,000 27,677,000 28,348,000 29,982,000 32,330,000 33,466,000 34,684,000 35,415,000 36,443,000 38,230,000 41,585,000 
        operating lease right-of-use assets
      79,189,000 82,282,000 80,863,000 83,518,000 83,262,000 82,114,000 85,053,000 86,063,000 65,412,000 69,692,000 69,589,000 71,457,000 69,400,000 68,008,000 69,344,000 72,320,000 74,744,000 77,840,000 85,318,000 92,671,000 80,091,000 100,061,000 98,943,000 99,391,000 98,097,000 104,449,000 109,780,000                                                                   
        assets designated for retirement and pension plans
      11,310,000 11,361,000 10,424,000 9,976,000 11,203,000 10,779,000 10,854,000 11,105,000 11,195,000 11,552,000 11,479,000 11,332,000 10,961,000 11,721,000 12,372,000 12,715,000 13,672,000 14,001,000 13,853,000 14,425,000 14,608,000 14,001,000 13,756,000 13,978,000 14,289,000 14,909,000 14,707,000 15,035,000 16,554,000 16,668,000 17,569,000 17,130,000 17,627,000 17,050,000 15,896,000 15,698,000 17,438,000 17,208,000 17,667,000 16,857,000 17,949,000 17,901,000 17,235,000 19,426,000 20,850,000 22,618,000 22,724,000 22,685,000 23,104,000 22,297,000 22,038,000 22,763,000 22,698,000 22,351,000 23,557,000 22,883,000 23,668,000 25,649,000 25,069,000 23,647,000 24,204,000 21,735,000 24,037,000 25,502,000 26,150,000 25,073,000 23,748,000 24,973,000 25,125,000 28,106,000 28,187,000 26,067,000 37,468,000 35,802,000 35,579,000  29,807,000 29,984,000 28,550,000 26,727,000 27,055,000 26,922,000 31,517,000 32,468,000 28,840,000 27,703,000 28,614,000 28,751,000 26,489,000     
        investments
      72,537,000 69,160,000 64,434,000 58,290,000 59,089,000 55,927,000 54,835,000 47,287,000 43,154,000 44,357,000 42,547,000 34,354,000 31,728,000 33,756,000 38,006,000 36,051,000 34,738,000 35,365,000 33,545,000 31,369,000 27,836,000 26,085,000 23,516,000 25,409,000 23,807,000 23,647,000 22,781,000 19,442,000 21,013,000 21,621,000 22,884,000 21,319,000 20,432,000 19,717,000 19,763,000 17,346,000 17,268,000 16,782,000 16,388,000 14,145,000 14,185,000 15,248,000 15,281,000 13,989,000 14,276,000 14,739,000 14,136,000 13,848,000 13,182,000 12,751,000 12,685,000 11,902,000 11,617,000 11,208,000 11,236,000 9,868,000 9,524,000 10,189,000 9,925,000 11,021,000 10,321,000 10,070,000 10,566,000 10,417,000 10,275,000 9,694,000 12,635,000 12,594,000 9,479,000 9,831,000 10,028,000 7,832,000 5,156,000 5,021,000 4,871,000  3,173,000 3,039,000 3,418,000 1,839,000 2,365,000 2,370,000 2,500,000 4,089,000 3,331,000 4,342,000 2,897,000 2,842,000 2,576,000 2,250,000 2,657,000 3,007,000 2,782,000 
        other non-current assets
      26,262,000 26,395,000 26,113,000 25,500,000 25,507,000 26,875,000 16,680,000 17,071,000 19,528,000 22,082,000 31,666,000 25,788,000 26,379,000 26,296,000 23,448,000 23,377,000 25,852,000 26,706,000 27,617,000 24,439,000 23,682,000 24,700,000 25,181,000 20,434,000 20,317,000 21,725,000 23,784,000 22,276,000 19,546,000 19,491,000 16,865,000 8,999,000 10,601,000 11,913,000 14,257,000 9,322,000 11,233,000 12,400,000 13,516,000 11,115,000 12,169,000 10,844,000 7,706,000 6,601,000 6,649,000 7,184,000 6,675,000 5,693,000 5,715,000 5,401,000 5,766,000 5,301,000 5,944,000 6,893,000 6,794,000 6,480,000 7,920,000 9,486,000 9,602,000 8,593,000 8,260,000 7,818,000 6,395,000 6,843,000 5,621,000 8,650,000 8,793,000 7,203,000 7,701,000 6,002,000 7,855,000 6,296,000 9,842,000 10,091,000 8,882,000  6,465,000 5,982,000 5,142,000 5,216,000 6,163,000 6,519,000 4,018,000 3,406,000 3,552,000 3,603,000 3,864,000 4,226,000 4,145,000 6,800,000 7,824,000 9,478,000 9,479,000 
        goodwill
      142,464,000 142,635,000 139,447,000 137,861,000 185,400,000 183,150,000 200,089,000 202,252,000 198,241,000 198,639,000 197,711,000 138,361,000 138,069,000 138,511,000 139,017,000 138,524,000 137,047,000 137,401,000 91,452,000 91,643,000 91,264,000 91,271,000 123,422,000 126,831,000 128,286,000 122,070,000 122,548,000 122,092,000 122,445,000 122,838,000 123,284,000 118,892,000 125,737,000 124,671,000 152,558,000 151,844,000 155,313,000 136,066,000 136,691,000 131,122,000 120,150,000 121,020,000 121,316,000 122,176,000 122,657,000 123,970,000 123,576,000 123,274,000 120,696,000 119,948,000 120,638,000 120,940,000 91,270,000 90,892,000 91,113,000 90,696,000 90,421,000 115,979,000 112,591,000 109,888,000 109,777,000 106,773,000 109,433,000 109,010,000 109,182,000 107,373,000 104,658,000 101,234,000 98,197,000 92,223,000 85,616,000 84,217,000 77,244,000 76,258,000 76,554,000  47,717,000 47,782,000 46,956,000 46,655,000 48,609,000 48,609,000 48,747,000 48,818,000 48,622,000 48,594,000 48,610,000 48,627,000 50,648,000 50,587,000 50,399,000 50,271,000 51,769,000 
        other intangible assets
      8,949,000 10,539,000 11,304,000 12,483,000 15,110,000 16,411,000 18,305,000 20,842,000 22,509,000 26,903,000 25,263,000 6,333,000 6,998,000 7,720,000 8,462,000 9,169,000 10,223,000 10,903,000 961,000 1,129,000 1,218,000 1,361,000 1,554,000 1,935,000 4,428,000 1,730,000 1,975,000 2,216,000 2,535,000 2,919,000 3,943,000 2,158,000 7,236,000 8,027,000 19,009,000 20,690,000 20,154,000 18,438,000 20,398,000 18,687,000 17,327,000 18,595,000 19,632,000 20,939,000 22,432,000 24,007,000 25,301,000 26,637,000 27,606,000 28,839,000 30,308,000 32,020,000 2,021,000 2,194,000 2,383,000 2,556,000 2,725,000 6,065,000 6,310,000 6,480,000 6,801,000 6,797,000 8,138,000 8,636,000 9,251,000 9,394,000 13,333,000 13,543,000 14,450,000 15,621,000 15,059,000 15,363,000 15,923,000 17,306,000 17,673,000  5,831,000 6,071,000 6,088,000 6,239,000 6,235,000 6,453,000 6,672,000 6,890,000 7,109,000 7,328,000 7,546,000 7,771,000      
        deferred income taxes
      44,402,000 44,378,000 44,018,000 41,898,000 29,617,000 29,216,000 27,170,000 28,005,000 33,999,000 34,565,000 34,361,000 33,987,000 40,285,000 40,735,000 42,159,000 42,169,000 36,501,000 36,564,000 35,712,000 35,958,000 32,819,000 32,308,000 32,299,000 33,063,000 34,013,000 34,252,000 34,186,000 34,830,000 32,320,000 32,398,000 32,691,000 35,402,000 49,158,000 48,946,000 30,873,000 33,073,000 37,277,000 34,501,000 33,385,000 35,331,000 12,436,000 12,380,000 12,454,000 12,094,000 6,949,000 7,536,000 8,114,000 8,061,000 8,711,000 7,182,000 6,549,000 7,899,000 10,140,000 7,483,000 7,732,000 8,211,000 9,792,000 11,916,000 10,765,000 10,759,000 10,007,000 10,596,000 10,597,000 10,576,000 13,474,000 13,498,000 13,735,000 13,893,000 15,211,000 15,211,000 15,259,000 15,290,000 17,329,000 17,173,000 14,615,000  7,090,000 8,275,000 8,193,000 8,579,000 7,767,000 657,000 1,210,000 2,744,000 7,035,000    22,262,000 24,160,000 25,490,000 24,924,000 35,578,000 
        total non-current assets
      440,626,000 441,437,000 428,541,000 421,211,000 462,696,000 452,906,000 453,438,000 448,377,000 428,072,000 441,120,000 445,133,000 351,819,000 353,137,000 354,041,000 359,970,000 361,410,000 353,716,000 361,462,000 310,831,000 315,126,000 298,258,000 318,364,000 347,121,000 349,691,000 352,593,000 353,570,000 362,053,000 249,762,000 249,904,000 252,687,000 255,700,000 243,414,000 272,736,000 271,815,000 292,413,000 283,072,000 294,820,000 271,859,000 273,305,000 263,755,000 239,930,000 241,461,000 238,900,000 238,372,000 247,190,000 256,376,000 261,299,000 262,450,000 258,093,000 258,156,000 264,443,000 268,710,000 200,973,000 204,616,000 207,929,000 205,240,000 211,129,000 248,119,000 239,880,000 232,561,000 236,172,000 229,056,000 232,961,000 233,393,000 226,640,000 230,868,000 230,819,000 232,687,000 224,830,000 222,190,000 219,042,000  205,635,000 201,611,000 195,055,000  133,407,000 132,222,000 130,667,000  138,046,000 122,656,000 128,328,000  119,802,000 121,552,000 123,861,000  153,274,000 153,983,000 161,305,000  160,585,000 
        total assets
      1,264,262,000 1,141,045,000 1,023,691,000 1,194,188,000 1,145,780,000 1,016,325,000 965,470,000 1,141,591,000 1,041,246,000 964,455,000 891,465,000 1,175,638,000 1,073,253,000 982,066,000 895,572,000 1,106,798,000 948,632,000 832,066,000 680,606,000 787,812,000 713,309,000 788,358,000 792,530,000 844,173,000 776,623,000 704,010,000 671,982,000 700,629,000 632,856,000 552,904,000 524,346,000 587,204,000 553,427,000 497,437,000 517,508,000 581,502,000 553,775,000 503,693,000 476,421,000 572,718,000 530,019,000 512,158,000 482,083,000 568,701,000 541,576,000 526,147,000 487,807,000 553,224,000 525,804,000 490,578,000 469,570,000 494,992,000 460,232,000 433,931,000 425,202,000 515,565,000 498,625,000 518,483,000 481,099,000 545,027,000 525,007,000 473,004,000 456,406,000 474,847,000 445,775,000 424,593,000 452,524,000 586,957,000 559,334,000 533,110,000 517,063,000 616,884,000 586,942,000 535,514,000 481,154,000  444,038,000 399,558,000 382,526,000 410,922,000 429,702,000 367,049,000 396,004,000 421,284,000 474,784,000 314,569,000 289,900,000 304,032,000 348,772,000 338,865,000 331,190,000 363,064,000 378,527,000 
        current liabilities
                                                                                                   
        accounts payable
      20,281,000 25,834,000 23,103,000 25,088,000 21,517,000 19,515,000 19,776,000 20,837,000 18,966,000 15,477,000 16,975,000 14,613,000 17,248,000 16,428,000 16,350,000 20,374,000 18,119,000 17,789,000 10,149,000 8,799,000 11,050,000 10,852,000 11,088,000 8,633,000 9,093,000 8,107,000 9,229,000 9,166,000 8,979,000 8,723,000 9,574,000 9,824,000 8,294,000 8,170,000 9,880,000 7,952,000 9,644,000 5,765,000 7,779,000 6,150,000 4,056,000 5,702,000 7,702,000 5,493,000 5,532,000 5,485,000 7,947,000 7,791,000 5,622,000 7,454,000 7,581,000 8,657,000 6,009,000 8,031,000 9,583,000 9,157,000 10,438,000 11,818,000 11,601,000 8,408,000 10,178,000 8,916,000 6,750,000 5,948,000 6,410,000 5,645,000 7,202,000 11,977,000 7,638,000 8,251,000 9,807,000 8,699,000 7,089,000 8,998,000 6,745,000  5,293,000 8,865,000 7,435,000 6,019,000 5,499,000 6,024,000 8,140,000 10,986,000 6,688,000 7,791,000 7,076,000 7,196,000 6,665,000 6,666,000 7,585,000 8,887,000 8,082,000 
        accrued salaries and benefits
      366,127,000 251,668,000 171,155,000 353,531,000 277,498,000 190,225,000 133,735,000 322,744,000 264,625,000 193,858,000 140,056,000 451,161,000 375,430,000 286,683,000 179,663,000 409,026,000 305,186,000 198,120,000 112,830,000 217,908,000 161,002,000 113,351,000 97,875,000 234,306,000 180,207,000 124,923,000                                                                    
        deferred revenue
      56,110,000 58,859,000 55,957,000 51,085,000 47,106,000 44,679,000 47,377,000 45,732,000 41,502,000 44,102,000 43,345,000 43,057,000 43,547,000 48,764,000 55,364,000 51,404,000 45,284,000 41,915,000 38,847,000 38,050,000 37,268,000 38,122,000 41,433,000 41,267,000 40,434,000 37,424,000 39,157,000 40,673,000 42,870,000 40,184,000 39,598,000 31,272,000 35,339,000 32,301,000 32,482,000 28,367,000 31,713,000 33,638,000 34,658,000 29,724,000 33,739,000 33,345,000 30,164,000 30,452,000 31,848,000 36,023,000 32,711,000                                               
        operating lease liabilities
      18,182,000 18,225,000 17,652,000 17,653,000 18,985,000 18,044,000 20,351,000 21,498,000 20,994,000 21,221,000 20,584,000 19,554,000 17,854,000 18,400,000 18,963,000 19,332,000 18,992,000 27,572,000 27,947,000 28,984,000 30,569,000 30,117,000 29,818,000 30,955,000 30,663,000 31,895,000                                                                    
        other current liabilities
      67,450,000 65,898,000 64,869,000 21,369,000 23,394,000 25,693,000 24,449,000 21,823,000 33,171,000 36,017,000 33,318,000 56,016,000 59,301,000 60,383,000 53,982,000 24,554,000 22,723,000 19,042,000 20,114,000 23,311,000 26,691,000 18,144,000 19,534,000 26,253,000 29,327,000 26,186,000 28,578,000 33,219,000 35,127,000 37,318,000 39,499,000 40,346,000 21,503,000 21,761,000 23,200,000 24,133,000 25,103,000 25,976,000 34,596,000 31,239,000 28,697,000 27,923,000 32,979,000 26,835,000 24,797,000 24,476,000 25,924,000 46,401,000 48,634,000 47,720,000 45,927,000 40,390,000 31,913,000 34,647,000 38,421,000 39,362,000 33,208,000 41,013,000 34,605,000 34,064,000 37,322,000 35,738,000 41,339,000 37,812,000 35,986,000 34,175,000 44,808,000 51,723,000 44,991,000 43,856,000 45,246,000 43,238,000                      
        income taxes payable
      10,825,000 9,402,000 16,804,000 14,287,000 6,891,000 8,593,000 6,190,000 6,057,000 12,709,000 8,118,000 5,896,000 4,076,000 5,224,000 3,544,000 15,397,000 10,004,000 14,742,000 13,356,000 7,383,000 1,186,000 1,086,000 11,448,000 8,198,000 3,928,000 6,517,000 6,779,000 12,112,000 8,240,000 7,866,000 6,189,000 8,300,000 6,924,000 5,256,000 7,064,000 4,402,000 4,617,000 3,897,000 2,678,000 1,135,000 3,442,000 4,388,000 3,376,000 2,535,000 6,684,000 4,655,000 5,648,000 1,501,000 5,401,000 7,015,000 3,956,000 1,468,000 709,000 6,120,000 2,720,000 4,147,000 4,868,000 5,368,000 2,015,000 2,452,000 3,208,000 2,040,000 1,975,000 2,110,000 3,070,000        995,000   4,633,000         7,463,000 13,035,000 3,779,000 1,172,000 4,349,000 3,350,000 2,158,000 1,832,000  1,202,000 
        total current liabilities
      538,975,000 429,886,000 349,540,000 483,013,000 395,391,000 306,749,000 251,878,000 438,691,000 391,967,000 318,793,000 260,174,000 588,477,000 518,604,000 434,202,000 339,719,000 534,694,000 425,046,000 317,794,000 217,270,000 318,238,000 267,666,000 222,034,000 207,946,000 345,342,000 296,241,000 235,314,000 216,619,000 318,951,000 272,772,000 213,082,000 180,385,000 265,792,000 198,062,000 157,369,000 142,040,000 220,592,000 190,459,000 155,711,000 138,631,000 229,430,000 190,903,000 159,445,000 140,311,000 205,898,000 177,635,000 158,504,000 125,087,000 175,787,000 155,813,000 128,061,000 105,162,000 152,396,000 130,346,000 110,404,000 100,511,000 185,090,000 166,750,000 143,961,000 120,319,000 172,456,000 167,076,000 129,235,000 109,603,000 113,793,000 108,242,000 100,802,000 124,522,000 227,395,000 195,829,000 168,611,000 147,533,000 253,699,000 217,120,000 166,604,000 142,586,000  149,084,000 121,328,000 92,509,000 121,815,000 140,395,000 120,250,000 110,021,000 139,972,000 208,813,000 113,953,000 97,157,000 113,534,000 105,450,000 99,207,000 92,077,000 118,971,000 122,907,000 
        non-current liabilities
                                                                                                   
        retirement and pension plans
      88,193,000 84,999,000 79,118,000 72,138,000 75,048,000 70,855,000 69,572,000 62,100,000 57,351,000 58,951,000 56,882,000 48,456,000 48,730,000 51,877,000 57,076,000 55,593,000 55,804,000 56,919,000 54,826,000 53,496,000 49,389,000 46,847,000 43,851,000 46,032,000 43,269,000 43,922,000 42,744,000 39,865,000 43,536,000 44,272,000 46,999,000 44,802,000 44,891,000 43,351,000 41,766,000 39,039,000 39,921,000 39,059,000 39,296,000 35,949,000 38,186,000 39,156,000 38,294,000 39,892,000 37,044,000 39,511,000 39,297,000 38,735,000 39,009,000 37,604,000 37,308,000 37,247,000 33,440,000 32,563,000 33,772,000 31,747,000 31,393,000 34,147,000 33,218,000 30,907,000 30,286,000 27,464,000 29,418,000 31,687,000 30,113,000 28,148,000 26,337,000 27,503,000 29,578,000 33,271,000 33,199,000 28,831,000 43,031,000 40,833,000 40,138,000  35,442,000 35,398,000 33,629,000 31,446,000 32,055,000 31,881,000 36,699,000 37,941,000 33,113,000 31,616,000 31,875,000 32,232,000 29,584,000 28,853,000 26,342,000 25,234,000 23,226,000 
        other non-current liabilities
      4,380,000 4,527,000 4,318,000 42,905,000 46,158,000 42,562,000 41,152,000 41,808,000 40,985,000 42,005,000 36,778,000 5,293,000 4,250,000 4,797,000 14,338,000 41,087,000 28,567,000 28,254,000 4,103,000 4,735,000 4,625,000 4,573,000 4,551,000 4,634,000 10,508,000 4,317,000 4,171,000 17,423,000 21,769,000 21,959,000 23,522,000 23,597,000 27,373,000 26,585,000 28,381,000 28,288,000 27,267,000 21,851,000 20,740,000 52,537,000 46,835,000 43,794,000 36,130,000 54,747,000 53,341,000 52,037,000 49,636,000 61,293,000 52,818,000 47,884,000 48,152,000 56,943,000 42,581,000 40,177,000 39,913,000 47,396,000 43,749,000 41,455,000 38,791,000 47,015,000 40,057,000 37,282,000 33,802,000 38,476,000 26,352,000 25,831,000 23,526,000 25,755,000 27,775,000 24,276,000 21,629,000 17,819,000 8,211,000 7,710,000 7,776,000  8,231,000 8,169,000 7,896,000 7,879,000 6,481,000 5,386,000 5,601,000 5,613,000 5,694,000 4,751,000 4,767,000 4,729,000 1,460,000 354,000 293,000 323,000 341,000 
        total non-current liabilities
      216,067,000 218,668,000 209,101,000 258,358,000 267,104,000 248,644,000 244,807,000 240,622,000 210,131,000 217,345,000 210,179,000 176,515,000 170,118,000 179,390,000 205,088,000 236,084,000 200,330,000 214,719,000 184,766,000 201,972,000 184,577,000 280,121,000 272,819,000 189,716,000 183,747,000 180,247,000 181,944,000 114,522,000 106,251,000 101,956,000 113,472,000 108,707,000 104,394,000 96,555,000 116,951,000 102,320,000 97,551,000 87,603,000 82,927,000 88,486,000 85,021,000 103,450,000 96,424,000 118,139,000 115,385,000 118,048,000 116,933,000 129,564,000 122,964,000 118,120,000 119,595,000 94,249,000 76,115,000 72,838,000 73,787,000 79,180,000 75,361,000 75,711,000 72,108,000 78,029,000 70,343,000 64,746,000 63,220,000 70,202,000 56,465,000 53,979,000 49,863,000 53,258,000 61,896,000 62,986,000 60,909,000 53,385,000 58,635,000 56,443,000 56,572,000  53,960,000 54,700,000 53,197,000 51,622,000 51,036,000 51,008,000 62,934,000 65,186,000 60,907,000 60,098,000 62,071,000 64,685,000 47,397,000 48,660,000 49,417,000 44,382,000 38,407,000 
        total liabilities
      755,042,000 648,554,000 558,641,000 741,371,000 662,495,000 555,393,000 496,685,000 679,313,000 602,098,000 536,138,000 470,353,000 764,992,000 688,722,000 613,592,000 544,807,000 770,778,000 625,376,000 532,513,000 402,036,000 520,210,000 452,243,000 502,155,000 480,765,000 535,058,000 479,988,000 415,561,000 398,563,000 433,473,000 379,023,000 315,038,000 293,857,000 374,499,000 302,456,000 253,924,000 258,991,000 322,912,000 288,010,000 243,314,000 221,558,000 317,916,000 275,924,000 262,895,000 236,735,000 324,037,000 293,020,000 276,552,000 242,020,000 305,351,000 278,777,000 246,181,000 224,757,000 246,645,000 206,461,000 183,242,000 174,298,000 264,270,000 242,111,000 219,672,000 192,427,000 250,485,000 237,419,000 193,981,000 172,823,000 183,995,000 164,707,000 154,781,000 174,385,000 280,653,000 257,725,000 231,597,000 208,442,000 307,084,000 275,755,000 223,047,000 199,158,000  203,044,000 176,028,000 145,706,000 173,437,000 191,431,000 171,258,000 172,955,000 205,158,000 269,720,000 174,051,000 159,228,000 178,219,000 152,847,000 147,867,000 141,494,000 163,353,000 161,314,000 
        commitments and contingencies
                                                                                                   
        stockholders’ equity
                                                                                                   
        preferred stock, 0.01 par value...
                                                                                                   
        common stock, 0.01 par value...
      208,000 207,000 206,000 204,000 204,000 203,000 202,000 201,000 201,000 200,000 200,000 199,000 199,000 197,000 197,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000                                               
        treasury stock
      -110,000 -110,000 -110,000 -110,000 -110,000 -110,000 -110,000 -110,000 -110,000 -819,000 -354,000 -191,000 -191,000 -191,000 -191,000 -191,000 -181,000 -2,002,000 -3,090,000 -8,041,000 -8,041,000 -8,743,000 -10,957,000 -14,795,000 -14,795,000 -14,795,000 -15,143,000 -20,298,000 -20,298,000 -20,299,000 -21,482,000 -26,096,000 -26,097,000 -26,128,000 -27,758,000 -32,915,000 -32,915,000 -32,947,000 -33,979,000 -39,583,000 -39,583,000 -41,152,000 -41,736,000 -44,261,000 -44,261,000 -44,557,000 -45,505,000 -47,811,000 -48,554,000 -48,899,000 -50,367,000  -53,269,000 -52,581,000 -54,664,000 -58,690,000 -59,499,000 -59,790,000 -61,679,000 -69,549,000 -70,263,000 -70,775,000 -72,668,000 -86,419,000 -87,271,000 -88,164,000 -91,734,000 -110,838,000 -112,199,000 -108,307,000 -88,576,000 -88,871,000 -77,298,000 -53,126,000 -55,275,000  -66,174,000 -68,800,000 -38,047,000 -28,156,000 -21,009,000 -25,881,000 -4,641,000 -8,448,000 -7,357,000 -8,552,000 -12,022,000 -21,898,000 -22,736,000 -24,175,000 -25,706,000 -27,421,000 -27,540,000 
        additional paid in capital
      266,212,000 263,611,000 260,512,000 260,893,000 258,086,000 254,348,000 251,769,000 251,988,000 248,510,000 246,226,000 244,341,000 246,630,000 241,632,000 237,829,000 233,641,000 233,163,000 229,115,000 228,116,000 225,998,000 231,048,000 227,995,000 225,485,000 226,033,000 228,807,000 224,687,000 222,148,000 218,783,000 227,147,000 224,962,000 222,053,000 220,935,000 226,006,000 224,986,000 224,832,000 224,050,000 229,957,000 229,318,000 228,209,000 226,610,000 232,358,000 230,977,000 231,423,000 230,001,000 232,075,000 231,382,000 230,631,000 229,672,000 232,008,000 231,921,000 232,040,000 232,086,000 234,010,000 234,810,000 234,033,000 234,639,000 238,523,000 238,115,000 237,479,000 237,808,000 246,601,000 244,587,000 243,468,000 244,519,000 260,256,000 257,511,000 254,160,000 252,965,000 273,731,000 269,582,000 264,820,000 261,628,000 273,287,000 273,947,000 270,415,000 264,625,000  257,976,000 254,024,000 250,078,000 263,228,000 262,944,000 258,484,000 260,539,000 242,655,000 242,963,000 242,261,000 241,729,000 250,093,000 252,353,000 251,764,000 255,008,000 260,445,000  
        retained earnings
      248,195,000 233,807,000 215,985,000 205,875,000 224,165,000 212,547,000 220,886,000 210,070,000 198,369,000 186,531,000 180,671,000 168,197,000 155,276,000 137,570,000 116,525,000 101,177,000 92,058,000 70,514,000 52,742,000 40,982,000 38,487,000 67,686,000 96,415,000 91,083,000 83,497,000 76,513,000 65,201,000 56,049,000 44,854,000 30,916,000 22,024,000 -716,000 40,927,000 35,273,000 56,082,000 58,030,000 60,050,000 55,607,000 51,447,000 52,572,000 53,807,000 48,810,000 46,346,000 45,431,000 47,169,000 46,668,000 45,358,000 48,511,000 49,414,000 47,605,000 48,097,000 51,704,000 54,481,000 52,766,000 53,312,000 55,029,000 61,528,000 96,714,000 91,662,000 99,056,000 96,172,000 97,289,000 96,937,000 101,091,000 93,940,000 91,765,000 109,769,000 131,061,000 127,909,000 116,062,000 105,452,000 100,624,000 93,645,000 79,802,000 58,783,000  42,098,000 30,947,000 20,557,000 14,631,000 7,702,000           -26,227,000 -6,273,000 
        accumulated other comprehensive loss
      -5,285,000 -5,024,000 -11,543,000      -7,822,000 -3,821,000 -3,746,000                                                                                   
        total stockholders’ equity
      509,220,000 492,491,000 465,050,000 452,817,000 483,285,000 460,932,000 468,785,000 462,278,000 439,148,000 428,317,000 421,112,000 410,646,000 384,531,000 368,474,000 350,765,000 336,020,000 323,256,000 299,553,000 278,570,000 267,602,000 261,066,000 286,203,000 311,765,000 309,115,000 296,635,000 288,449,000 273,419,000 267,156,000 253,833,000 237,866,000 230,489,000 212,705,000 250,971,000 243,513,000 258,517,000 258,590,000 265,765,000 260,379,000 254,863,000 254,802,000 254,095,000 249,263,000 245,348,000 244,664,000 248,556,000 249,595,000 245,787,000 247,873,000 247,027,000 244,397,000 244,813,000 248,347,000  250,689,000 250,904,000 251,295,000 256,514,000 298,811,000 288,672,000 294,542,000 287,588,000 279,023,000 283,583,000 290,852,000 281,068,000 269,812,000 278,139,000 306,304,000 301,609,000 301,513,000 308,621,000 309,800,000 311,187,000 312,467,000 281,996,000  240,994,000 223,530,000 236,820,000 237,485,000 238,271,000 195,791,000 223,049,000 216,126,000 205,064,000 140,518,000 130,672,000 125,813,000 195,925,000 190,998,000 189,696,000 199,711,000 217,213,000 
        total liabilities and stockholders’ equity
      1,264,262,000 1,141,045,000 1,023,691,000 1,194,188,000 1,145,780,000 1,016,325,000 965,470,000 1,141,591,000 1,041,246,000 964,455,000 891,465,000 1,175,638,000 1,073,253,000 982,066,000 895,572,000 1,106,798,000 948,632,000 832,066,000 680,606,000 787,812,000 713,309,000 788,358,000 792,530,000 844,173,000 776,623,000 704,010,000 671,982,000 700,629,000 632,856,000 552,904,000 524,346,000 587,204,000 553,427,000 497,437,000 517,508,000 581,502,000 553,775,000 503,693,000 476,421,000 572,718,000 530,019,000 512,158,000 482,083,000 568,701,000 541,576,000 526,147,000 487,807,000 553,224,000 525,804,000 490,578,000 469,570,000 494,992,000  433,931,000  515,565,000 498,625,000 518,483,000 481,099,000 545,027,000 525,007,000 473,004,000 456,406,000 474,847,000 445,775,000 424,593,000 452,524,000 586,957,000 559,334,000 533,110,000 517,063,000 616,884,000 586,942,000 535,514,000 481,154,000  444,038,000 399,558,000 382,526,000 410,922,000 429,702,000 367,049,000 396,004,000 421,284,000 474,784,000 314,569,000 289,900,000 304,032,000 348,772,000 338,865,000 331,190,000 363,064,000 378,527,000 
        deferred income tax liability - non-current
         1,616,000    6,402,000                                                                                      
        accumulated other comprehensive income
         -14,045,000 940,000 -6,056,000 -3,962,000 129,000    -4,189,000 -12,385,000 -6,931,000 593,000 1,675,000 2,068,000 2,729,000 2,724,000 3,417,000 2,429,000 1,579,000 78,000 3,824,000 3,050,000 4,387,000 4,382,000 4,062,000 4,119,000 5,000,000 8,816,000 13,315,000 10,959,000 9,340,000 5,947,000 3,322,000 9,116,000 9,314,000 10,589,000 9,259,000 8,698,000 9,986,000 10,541,000 11,223,000 14,070,000 16,657,000 16,066,000 14,969,000 14,050,000 13,455,000 14,801,000 14,960,000 17,553,000 16,275,000 17,421,000 16,237,000 16,174,000 24,212,000 20,685,000 18,238,000 16,896,000 8,845,000 14,599,000 15,728,000 16,692,000 11,855,000 6,943,000 12,154,000 16,121,000 28,742,000 29,921,000 24,564,000 20,697,000 15,180,000 13,667,000  6,898,000 7,163,000 4,036,000 2,955,000 5,546,000 5,549,000 7,562,000 9,033,000 5,951,000         
        non-current debt
                           100,000,000 100,000,000        12,000,000    25,000,000                                                           
        current assets:
                                                                                                   
        non-current assets:
                                                                                                   
        current liabilities:
                                                                                                   
        non-current liabilities:
                                                                                                   
        stockholders’ equity:
                                                                                                   
        accrued salaries and employee benefits
                                95,330,000 227,653,000 177,930,000 120,668,000 83,414,000 177,426,000 127,670,000 88,073,000 72,076,000 155,523,000 120,102,000 87,654,000 60,463,000 158,875,000 120,023,000 83,099,000 60,931,000 130,434,000 104,803,000 80,872,000 51,004,000 109,943,000 88,508,000 62,898,000 44,152,000 102,597,000 86,119,000 64,820,000 48,160,000 131,697,000 115,841,000 87,421,000 69,854,000 124,969,000 115,240,000 80,763,000 57,555,000 65,096,000 62,355,000 51,616,000 63,969,000 163,695,000 140,692,000 113,763,000 89,712,000 197,954,000 160,862,000 117,025,000 91,337,000  111,516,000 80,337,000 53,681,000 84,169,000 95,176,000 68,774,000 52,298,000 68,044,000 86,429,000 68,983,000 51,760,000       
        operating lease liabilities - current
                                32,213,000                                                                   
        operating lease liabilities - non-current
                                90,208,000                                                                   
        restricted cash
                                             7,197,000 7,171,000 7,238,000 6,500,000 6,501,000 7,998,000 55,000 131,000 130,000 128,000 223,000 194,000 199,000 124,000 122,000 128,000 440,000 442,000 952,000 397,000 393,000 387,000  2,402,000 2,402,000 6,043,000 9,489,000 9,477,000 9,655,000 9,650,000 9,806,000 9,761,000 9,826,000 9,143,000 9,136,000 7,934,000                   
        current portion of debt
                                               6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000                                           
        non-current term debt, less current maturities
                                                                                                   
        stockholders' equity:
                                                                                                   
        non-current debt, less current maturities
                                               20,500,000 22,000,000 23,500,000 25,000,000 26,500,000 28,000,000 29,500,000 31,000,000 32,500,000 34,000,000                                           
        other receivables
                                               11,660,000 11,578,000 10,613,000 9,762,000 8,347,000 6,617,000 6,906,000 11,497,000 10,446,000 10,498,000 10,288,000 9,472,000 8,546,000 8,913,000 9,404,000 9,166,000 9,641,000 7,434,000 7,724,000 7,041,000 6,680,000 8,608,000 7,964,000 7,409,000 5,467,000 8,347,000 8,586,000 7,413,000 7,072,000 5,973,000 5,868,000 5,392,000 6,472,000 5,919,000  5,181,000 5,183,000 4,798,000 4,463,000 3,879,000 4,858,000 4,689,000 4,453,000 2,195,000 1,895,000 3,013,000 3,191,000 3,236,000 4,204,000 3,576,000 3,552,000 3,749,000 
        preferred stock, .01 par value...
                                                                                                   
        common stock, .01 par value...
                                                     196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000  196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 196,000 
        accounts receivables
                                                      88,746,000 90,867,000 78,827,000  88,261,000 85,551,000 78,906,000  101,664,000 109,710,000 94,520,000  114,318,000 98,499,000 83,588,000  76,736,000 65,399,000 57,020,000  105,635,000 115,828,000 111,088,000  114,931,000 116,540,000 101,816,000  84,570,000 78,452,000 68,842,000 53,334,000    51,843,000    46,847,000    41,774,000  
        december 31, 2012 and 2011, respectively
                                                         -52,523,000                                          
        total stockholders' equity
                                                          253,771,000                                         
        total liabilities and stockholders' equity
                                                          460,232,000  425,202,000                                       
        current portion of accrued restructuring charges
                                                                      3,491,000 9,366,000 8,543,000  2,508,000 2,741,000 2,768,000 2,813,000 3,050,000 2,892,000 3,013,000  3,279,000 3,588,000 3,760,000 6,313,000 12,676,000 19,217,000 8,595,000 10,609,000 10,830,000 12,525,000 14,676,000 18,090,000 13,263,000 12,581,000    
        short-term investments
                                                                             22,275,000 69,250,000 70,774,000 29,825,000  60,000,000 50,000,000 88,814,000  60,000,000 70,000,000 127,225,000           
        non-current portion of accrued restructuring charges
                                                                          4,543,000 5,439,000 6,081,000 6,735,000 7,393,000 7,900,000 8,658,000  10,287,000 11,133,000 11,672,000 12,297,000 12,500,000 13,741,000 20,634,000 21,632,000 22,100,000 23,704,000 25,402,000 27,698,000 16,275,000 19,120,000    
        property and equipment:
                                                                                                   
        leasehold improvements
                                                                             28,913,000        22,624,000    27,686,000    27,416,000    27,385,000  
        office furniture, fixtures and equipment
                                                                             24,296,000        21,052,000    25,812,000    26,879,000    27,906,000  
        computer equipment and software
                                                                             59,612,000        52,781,000    53,664,000    49,959,000    46,414,000  
        property and equipment, gross
                                                                             112,821,000                      
        accumulated depreciation and amortization
                                                                             -94,091,000        -75,353,000    -79,485,000    -70,788,000    -63,475,000  
        other non-current assets:
                                                                                                   
        total other non-current assets
                                                                             195,456,000        108,039,000    103,437,000    92,217,000    126,358,000  
        other accrued liabilities
                                                                              46,119,000 37,689,000 36,858,000  28,996,000 28,538,000 27,633,000 25,314,000 27,044,000 26,235,000 40,962,000 42,843,000 91,806,000 20,661,000 22,256,000       
        net revenue
                                                                                 523,237,000                  
        operating income
                                                                                 51,998,000                  
        net income
                                                                                 35,498,000                  
        basic earnings per common share
                                                                                 1,980                  
        diluted earnings per common share
                                                                                 1,880                  
        deferred stock-based compensation
                                                                                     -15,369,000 -17,108,000 -19,863,000 -22,880,000 -2,723,000 -3,094,000 -2,935,000 -2,873,000 -2,395,000 -3,232,000 -4,032,000 -6,964,000 -6,098,000  
        accumulated deficit
                                                                                       -22,694,000 -17,727,000 -24,587,000 -33,595,000 -95,744,000 -102,670,000 -106,895,000 -34,521,000 -35,573,000 -32,964,000   
        short-term debt
                                                                                        26,000           
        current maturities of long-term debt
                                                                                         27,000 25,000 214,000 217,000 568,000 660,000 980,000 1,155,000 1,161,000 1,652,000 
        long-term debt, less current maturities
                                                                                           27,000 27,000 26,000 78,000 333,000 320,000 294,000 693,000 
        cumulative foreign currency translation adjustment
                                                                                           5,287,000 6,312,000 6,712,000 3,850,000 2,789,000 79,000 -1,241,000 -2,498,000 
        unrealized gain on available for sale investments
                                                                                           5,000        
        accrued expenses—
                                                                                                   
        salaries and employee benefits
                                                                                             61,275,000 62,921,000 56,813,000 45,319,000 67,514,000 80,649,000 
        other
                                                                                             22,056,000 18,591,000 20,009,000 22,864,000 20,704,000 20,793,000 
        unrealized gain on available-for-sale investments, net of tax
                                                                                              15,000 29,000 47,000 57,000 49,000 
        other intangibles
                                                                                              9,140,000 9,479,000 9,805,000 10,230,000 11,186,000 
        assets designated for pension plan
                                                                                               23,938,000 22,498,000 21,196,000  
        current portion of accruals for severance and office consolidations
                                                                                                13,322,000   
        non-current portion of accruals for severance and office consolidations
                                                                                                22,462,000   
        current portion of accrued special charges
                                                                                                 20,705,000 10,529,000 
        non-current portion of accrued special charges
                                                                                                 18,531,000 14,147,000 
        assets designated for pension plans
                                                                                                  19,497,000 
        accrued expenses:
                                                                                                   
        additional paid-in capital
                                                                                                  260,758,000 
        deferred compensation
                                                                                                  -7,479,000 
      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 
                                                                                                    
          cash flows - operating activities
                                                                                                    
          net income
        17,646,000 21,073,000 13,306,000 -14,976,000 14,829,000 -5,157,000 14,032,000 14,855,000 14,987,000 8,982,000 15,586,000 16,044,000 20,826,000 24,149,000 18,467,000 12,477,000 24,498,000 20,765,000 14,832,000 5,538,000 -26,178,000 -25,733,000 8,666,000 10,555,000 9,947,000 14,280,000 12,087,000 11,195,000 16,469,000 11,463,000 10,168,000 -39,208,000 8,171,000 -18,248,000 650,000 493,000 6,940,000 6,655,000 1,325,000 1,260,000 7,490,000 4,956,000 3,426,000 762,000 2,992,000 3,787,000 -744,000 1,502,000 4,124,000 1,936,000 -1,215,000 -402,000 4,111,000 1,852,000 679,000 -4,089,000 -32,401,000 7,429,000 -4,661,000 5,183,000 1,184,000 2,672,000 -1,546,000 9,378,000 4,408,000 -15,767,000 -18,927,000 5,283,000 13,979,000 12,744,000 7,068,000 9,236,000 16,132,000 21,019,000 10,076,000 6,776,000 11,151,000 10,390,000 5,926,000 6,929,000 30,396,000 -4,967,000 6,860,000 9,008,000 62,149,000 6,926,000 4,225,000 -72,374,000 1,052,000 -2,609,000 -6,737,000 -19,954,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                    
          depreciation and amortization
        5,383,000 5,015,000 4,847,000 5,207,000 4,950,000 3,910,000 4,790,000 5,076,000 4,740,000 4,819,000 3,873,000 2,779,000 2,583,000 2,621,000 2,620,000 2,984,000 4,534,000 5,974,000 6,068,000 6,018,000 16,171,000 2,130,000 2,337,000 2,388,000 2,635,000 2,614,000 2,734,000 2,964,000 3,065,000 3,309,000 3,184,000 3,504,000 3,704,000 3,758,000 3,808,000 4,757,000 4,031,000 3,973,000 3,672,000 3,713,000 3,323,000 2,928,000 3,732,000 3,953,000 3,711,000 3,798,000 3,850,000 4,229,000 4,019,000 3,882,000 4,145,000 2,718,000 2,791,000 2,514,000 2,778,000 3,056,000 2,896,000 2,206,000 2,105,000 2,260,000 2,129,000 2,902,000 4,293,000 2,905,000 2,777,000 2,925,000 2,658,000 2,476,000 2,708,000 2,653,000 2,707,000 2,927,000 2,836,000 2,816,000 2,700,000 3,021,000 2,289,000 2,431,000 2,641,000 2,617,000 2,672,000 2,928,000 3,028,000 3,483,000 3,263,000 3,388,000 3,051,000 3,680,000 3,294,000 3,564,000 3,535,000 3,834,000 
          deferred income taxes
        -198,000 509,000 -1,883,000 -17,361,000 273,000 -2,246,000 -87,000 12,448,000 -6,994,000 -223,000 6,669,000 8,064,000 -730,000 231,000 -477,000 -5,995,000 -347,000 -644,000 -495,000 -2,380,000 320,000 270,000 110,000 1,668,000 -536,000 176,000 336,000 -3,058,000 -91,000 -249,000 -98,000 13,650,000 -17,000 -17,704,000 2,381,000 4,125,000 -2,743,000 -1,258,000 2,270,000 -1,013,000 -119,000 -330,000 296,000 -5,396,000 1,071,000 4,163,000 399,000 -3,249,000 -1,926,000 335,000 1,091,000 822,000 -191,000 789,000 911,000 756,000 11,065,000 -1,907,000 657,000 3,942,000 2,096,000 444,000 611,000 -3,893,000 -2,495,000 -3,746,000 27,000 6,494,000 491,000 3,457,000 1,518,000 -12,497,000 -1,049,000 -8,728,000 284,000 -10,462,000 303,000 -7,000 554,000 3,239,000 -18,512,000 2,193,000 -47,000 -3,519,000    55,744,000 2,026,000 1,232,000 331,000 3,163,000 
          stock-based compensation expense
        2,919,000 3,987,000 2,510,000 2,824,000 3,792,000 3,465,000 2,644,000 3,499,000 3,559,000 1,919,000 1,853,000 4,998,000 4,209,000 3,784,000 3,698,000 4,088,000 2,820,000 2,861,000 2,991,000 3,053,000 3,212,000 1,320,000 2,614,000 3,048,000 2,539,000 3,368,000 1,343,000 2,184,000 2,911,000 2,076,000 1,776,000 1,020,000 199,000 2,076,000 1,640,000 1,338,000 1,155,000 2,069,000 1,831,000 1,382,000 1,094,000 1,557,000 1,033,000 694,000 1,044,000 1,505,000 336,000 972,000 303,000 1,461,000 1,011,000 118,000 1,281,000 1,449,000 1,351,000 1,342,000 1,013,000 1,410,000 1,738,000 1,738,000 1,518,000 1,095,000 3,414,000 3,989,000 4,357,000 4,643,000 6,027,000 6,005,000 6,198,000 5,920,000 6,649,000 5,018,000 7,624,000 10,488,000 7,559,000 6,529,000 7,100,000 6,276,000 4,895,000 3,525,000 3,947,000 4,502,000 1,625,000 497,000 716,000 1,088,000 -236,000 -1,390,000 1,702,000 1,829,000 -167,000 983,000 
          accretion expense related to earnout payments
        517,000 536,000 481,000 513,000 478,000 469,000 466,000 457,000 455,000 451,000 191,000 275,000 274,000 271,000 123,000 182,000       173,000 168,000 167,000 160,000 322,000 316,000 283,000 364,000 202,000 211,000 199,000 426,000 437,000 -360,000 213,000 345,000 433,000 276,000 287,000 298,000 546,000 409,000 476,000 423,000 531,000                                             
          gain on marketable securities
        -1,810,000 -1,702,000 -948,000 -340,000 -1,343,000 -441,000 -539,000  -346,000 -49,000 -1,645,000 -2,293,000    -1,000 -10,000 -22,000 -11,000 -111,000 -242,000 -237,000                                                                    
          loss on disposal of property and equipment
        16,000 19,000 7,000 190,000 3,000 247,000 14,000 17,000 61,000 1,000 130,000 16,000 67,000 142,000 167,000 8,000 12,000 94,000 21,000 -2,000 14,000 274,000 1,000                                                                      
          impairment charges
           43,254,000                       11,564,000                                                           
          changes in assets and liabilities:
                                                                                                    
          accounts receivable
        5,226,000 -23,178,000 -45,609,000 47,187,000 4,135,000 -14,717,000 -41,125,000 59,118,000 7,785,000 -35,658,000 -24,332,000 69,275,000 20,030,000 -31,641,000 -53,142,000 48,058,000 -13,897,000 -29,771,000 -41,209,000 32,260,000 7,397,000 7,643,000 -24,656,000 43,860,000 -4,868,000 -11,926,000 -20,167,000 43,298,000 -4,660,000 -23,373,000 -32,024,000  -4,087,000 -11,337,000 -17,179,000  -3,129,000                                                        
          accounts payable
        -4,804,000 980,000 -2,510,000 17,917,000 -10,968,000 -255,000 -2,069,000 1,526,000 1,257,000 -1,777,000 -1,137,000 -2,481,000 694,000 212,000 -4,156,000 -3,263,000 434,000 1,132,000 1,365,000 -2,358,000 664,000 248,000 1,897,000 -850,000 834,000 -1,077,000 99,000 235,000 1,036,000 -926,000 -871,000 1,425,000 -14,000 388,000 -325,000 -1,329,000 3,281,000 -2,534,000 1,523,000 2,121,000 -1,569,000 -2,057,000 2,315,000 64,000 289,000 -2,680,000 214,000 1,877,000 -1,840,000 248,000 -789,000 2,694,000 -2,061,000 -1,149,000 45,000 -1,621,000 -1,157,000 -650,000 2,696,000 -2,472,000 1,482,000 3,399,000 -206,000 -414,000 690,000 -1,698,000 856,000 -36,000 -674,000 668,000 -307,000 1,314,000 -2,307,000 1,902,000 -1,220,000 1,405,000 363,000 156,000 -1,368,000 567,000 -548,000 -1,941,000 -2,693,000 3,979,000 -1,175,000 800,000 -108,000 288,000 5,000 -1,141,000 -1,451,000 563,000 
          accrued expenses
        114,826,000 72,256,000 -199,320,000 88,403,000 83,375,000 57,843,000 -182,590,000 52,580,000 76,113,000 52,164,000 -325,975,000 65,306,000 91,867,000 103,143,000 -227,424,000 140,772,000 113,697,000 92,035,000 -116,327,000 51,263,000 52,066,000 17,423,000 -147,265,000 55,121,000 62,820,000 30,722,000 -146,222,000 67,692,000 63,950,000 45,528,000 -105,644,000 56,373,000 42,515,000 17,557,000 -98,115,000 46,221,000 40,125,000 18,464,000 -105,719,000 42,568,000 43,259,000 28,303,000 -76,923,000 31,753,000 20,164,000 37,356,000 -59,294,000 25,732,000 30,575,000 20,562,000 -61,246,000 27,106,000 22,333,000 19,809,000 -91,003,000 18,676,000 29,022,000 24,215,000 -65,953,000 14,141,000 34,278,000 29,716,000 -12,973,000 15,267,000 10,263,000 -12,878,000 -99,360,000 30,239,000 33,175,000 27,274,000 -104,237,000 33,525,000 45,408,000 23,639,000 -65,527,000 32,700,000 29,760,000 24,356,000 -28,631,000 -10,919,000 27,308,000 20,469,000 -16,589,000 -17,680,000 17,172,000 15,988,000 -12,562,000 -2,095,000 5,312,000 4,915,000 -21,467,000 -20,047,000 
          restructuring accrual
        -456,000 -461,000 -964,000 -484,000 -1,396,000           -37,000 -361,000 -1,761,000 -2,902,000 -3,810,000 7,769,000 -1,342,000 -138,000 -803,000 3,951,000 -508,000 -681,000 -784,000 -1,948,000 -3,243,000 -5,642,000                                                              
          deferred revenue
        -2,343,000 1,628,000 4,347,000 5,109,000 1,836,000 -2,624,000 1,951,000 3,657,000 -2,165,000 396,000 147,000 -1,324,000 -4,386,000 -5,664,000 4,137,000 6,330,000 3,575,000 1,915,000 963,000 204,000 -1,219,000 -3,510,000 837,000 62,000 3,353,000 -1,654,000 -1,586,000 -2,084,000 2,811,000 -854,000 -1,772,000 -4,051,000 2,727,000 -537,000 3,871,000 -2,970,000 -2,386,000 -620,000 4,304,000 -4,157,000 782,000 2,911,000 228,000 -1,000,000                                                 
          income taxes recoverable and payable
        2,328,000 -11,471,000 1,846,000  -5,021,000 645,000 4,723,000  9,205,000 495,000 -3,083,000  2,453,000 -13,142,000 5,028,000  2,422,000 5,696,000 6,819,000  -18,215,000                                                  -2,774,000    5,057,000  1,069,000                
          retirement and pension plan assets and liabilities
        -701,000 -702,000 6,732,000 -364,000 585,000 347,000 5,453,000 796,000 294,000 333,000 6,070,000 -3,955,000 179,000 -200,000 3,497,000 -298,000 7,000 201,000 1,235,000 490,000 29,000 -758,000 2,033,000 1,434,000 138,000 136,000 1,550,000 -473,000 -1,140,000 -1,511,000 1,632,000 267,000 -94,000 499,000 2,393,000 1,206,000 479,000 236,000 2,294,000 -1,211,000 -1,154,000 -85,000 1,308,000 4,377,000 270,000 -596,000 426,000                   2,347,000 -1,799,000                          
          prepaid expenses
        -1,346,000 4,097,000 -4,673,000 -1,479,000 595,000 3,339,000 -7,991,000 5,004,000 -1,136,000 4,500,000 -7,135,000 3,787,000 -1,967,000 4,411,000 -9,081,000 4,948,000 -1,742,000 1,912,000 -7,894,000 2,871,000 3,312,000 2,025,000 -6,566,000 465,000 2,587,000 2,992,000 -6,499,000 2,523,000 2,463,000 927,000 -6,806,000 2,428,000 -280,000 1,253,000 -2,604,000 1,898,000 -3,002,000 1,338,000 -2,564,000 -3,334,000 -493,000 233,000 -794,000 350,000 1,128,000                                                
          other assets and liabilities
        -2,524,000 -3,976,000 -10,393,000 2,609,000 5,022,000 -2,913,000 -3,096,000 8,979,000 1,659,000 3,341,000 -8,243,000 8,065,000 2,477,000 -5,636,000 -5,801,000 -10,000 -18,715,000 -10,362,000 -8,037,000 -4,323,000 6,540,000 5,213,000 -9,441,000 -1,317,000 3,050,000 747,000 -923,000 -987,000 -2,070,000 585,000 -2,276,000 8,626,000 -762,000 5,557,000 -7,795,000 -2,441,000 -9,080,000 13,675,000 -5,603,000 4,149,000 -3,360,000 956,000 -464,000 -4,026,000 1,798,000 -586,000 -1,034,000 -133,000 -1,741,000 1,942,000 39,000 -383,000 -440,000 758,000 -1,428,000 2,884,000 3,726,000 617,000 -1,950,000 -14,000 -2,624,000 626,000 -317,000 -2,090,000 2,756,000 -699,000 -519,000 6,497,000 -1,859,000 -4,311,000 -3,182,000 9,740,000 -2,305,000 463,000 -6,560,000 4,246,000 -52,000 -371,000 -986,000 2,071,000 -975,000 -1,020,000 -3,048,000          
          net cash from operating activities
        134,679,000 68,610,000 -232,224,000 190,188,000 101,145,000 62,522,000 -203,424,000 153,825,000 109,474,000 46,940,000 -337,031,000 160,336,000 138,464,000 82,684,000 -262,196,000 206,625,000 117,119,000 90,228,000 -142,571,000 96,258,000 51,860,000 40,835,000 -165,600,000 114,064,000 86,464,000 33,390,000 -155,273,000 125,787,000 84,175,000 30,446,000 -137,506,000 102,971,000 50,211,000 24,314,000 -110,526,000 73,837,000 35,947,000 34,221,000 -119,182,000 77,623,000 43,098,000 24,633,000 -87,771,000 58,812,000 42,994,000 29,866,000 -74,908,000 55,898,000 36,635,000 20,560,000 -69,060,000 55,652,000 33,758,000 22,157,000 -99,074,000 55,426,000 50,997,000 18,014,000 -79,663,000 60,599,000 31,439,000 23,726,000 -32,224,000 47,310,000 12,140,000 -18,932,000 -113,247,000 74,089,000 60,960,000 36,037,000 -119,695,000 81,454,000 62,766,000 29,981,000 -68,395,000 60,394,000 44,302,000 30,328,000 -35,257,000 19,438,000 38,288,000 12,966,000 -37,269,000 -2,953,000 32,016,000 20,451,000 -23,855,000 7,189,000 14,047,000 17,360,000 -28,192,000 -573,000 
          cash flows - investing activities
                                                                                                    
          capital expenditures
        -5,501,000 -3,906,000 -2,734,000 -16,668,000 6,891,000 -10,365,000 -6,173,000 -3,814,000 -2,805,000 -3,006,000 -3,808,000 -2,958,000 -3,940,000 -2,432,000 -1,804,000 -2,338,000 -1,196,000 -1,761,000 -945,000 -201,000 -2,565,000 -2,803,000 -1,753,000 -711,000 -848,000 -895,000 -898,000 -1,021,000 -2,391,000 -1,366,000 -1,182,000 -861,000 -2,718,000 -6,280,000 -4,163,000 -3,172,000 -1,087,000 -371,000 -721,000 -2,530,000 -3,649,000 -3,966,000 -6,282,000 -750,000 -742,000 -740,000 -1,127,000 -1,811,000 -562,000 -413,000 -945,000 -1,256,000 -1,134,000 -2,764,000 -2,350,000 -1,766,000 -6,463,000 -5,360,000 -4,427,000 -1,498,000 -4,657,000 -8,542,000 -2,867,000 -2,221,000 -590,000 -1,222,000 -8,241,000 -5,474,000 -2,760,000 -1,616,000 -3,552,000 -1,937,000 -3,051,000 -1,093,000 -1,917,000 -1,968,000 -2,229,000 -836,000 -491,000 -1,670,000 -1,343,000 -2,072,000 -1,053,000 -2,073,000 -879,000 -1,526,000 -1,543,000 -1,326,000 -1,569,000 -1,336,000 -1,513,000 
          free cash flows
        129,178,000 64,704,000 -234,958,000 173,520,000 108,036,000 52,157,000 -209,597,000 150,011,000 106,669,000 43,934,000 -340,839,000 157,378,000 134,524,000 80,252,000 -264,000,000 204,287,000 115,923,000 88,467,000 -143,516,000 96,057,000 49,295,000 38,032,000 -167,353,000 113,353,000 85,616,000 32,495,000 -156,171,000 124,766,000 81,784,000 29,080,000 -138,688,000 102,110,000 47,493,000 18,034,000 -114,689,000 70,665,000 34,860,000 33,850,000 -119,903,000 75,093,000 39,449,000 20,667,000 -94,053,000 58,062,000 42,252,000 29,126,000 -76,035,000 54,087,000 36,073,000 20,147,000 -70,005,000 54,396,000 32,624,000 19,393,000 -101,424,000 53,660,000 44,534,000 12,654,000 -84,090,000 59,101,000 26,782,000 15,184,000 -35,091,000 45,089,000 11,550,000 -20,154,000 -121,488,000 68,615,000 58,200,000 34,421,000 -123,247,000 79,517,000 59,715,000 28,888,000 -70,312,000 58,426,000 42,073,000 29,492,000 -35,748,000 17,768,000 36,945,000 10,894,000 -38,322,000 -5,026,000 31,137,000 18,925,000 -25,398,000 7,189,000 12,721,000 15,791,000 -29,528,000 -2,086,000 
          purchases of marketable securities and investments
        -66,089,000 -177,487,000 -118,719,000  -346,000 -109,862,000 -5,400,000  -47,781,000 -21,511,000 -6,172,000  -180,739,000 -347,000 -5,011,000  -326,000 -317,000 -1,354,000                                                                          
          proceeds from sales of marketable securities and investments
        183,408,000 104,106,000 48,325,000  62,496,000 289,000 66,285,000  21,571,000 153,000 267,965,000  226,000 227,000 763,000  338,000 162,000 20,153,000                                                                          
          net cash from investing activities
        111,818,000 -77,287,000 -73,128,000 -18,434,000 69,041,000 -119,938,000 54,712,000 -33,054,000 -31,219,000 -30,206,000 228,078,000 -86,542,000 -184,453,000 -2,552,000 -6,052,000 -4,044,000 -1,184,000 -33,885,000 17,854,000 46,782,000 -648,000 -71,025,000 57,517,000 -19,170,000 -8,107,000 -39,575,000 -2,463,000 -1,035,000 -1,178,000 -41,000 -5,995,000 -880,000 -2,226,000 -6,435,000 -5,713,000 -3,261,000 -18,924,000 -597,000 -5,003,000 -12,838,000 -3,400,000 -3,952,000 -7,317,000 -649,000 -437,000 -928,000 -1,277,000 -2,749,000 -585,000 -475,000 -1,416,000 -60,369,000 -1,150,000 -2,840,000 -2,892,000 -1,873,000 -9,763,000 -5,758,000 -6,306,000 -1,640,000 -4,657,000 -5,920,000 -3,281,000 3,392,000 -1,230,000 -12,780,000 -13,261,000 -8,530,000 -6,077,000 -10,781,000 18,805,000 44,424,000 -1,489,000 -43,459,000 40,750,000 -59,061,000 -12,093,000 38,184,000 -89,279,000 58,419,000 8,986,000 37,952,000 -3,402,000 -56,737,000 128,000,000 -1,481,000 -1,429,000 -1,530,000 -1,038,000 -1,231,000 -920,000 -886,000 
          cash flows - financing activities
                                                                                                    
          debt issuance costs
        -360,000                                     -51,000 -41,000                                                    
          cash dividends paid
        -3,258,000 -3,251,000 -3,196,000 -3,314,000 -3,211,000 -3,182,000 -3,216,000 -3,154,000 -3,149,000 -3,122,000 -3,112,000 -3,123,000 -3,120,000 -3,104,000 -3,119,000 -3,450,000 -2,862,000 -2,993,000 -3,072,000 -3,044,000 -3,022,000 -2,995,000 -3,002,000 -2,969,000 -2,963,000 -2,968,000 -2,935,000 -2,608,000 -2,531,000 -2,571,000 -2,471,000 -2,435,000 -2,517,000 -2,561,000 -2,598,000 -2,513,000 -2,496,000 -2,496,000 -2,450,000 -2,495,000 -2,493,000 -2,492,000 -2,511,000 -2,500,000 -2,515,000 -2,377,000 -2,472,000 -2,385,000 -2,356,000 -2,412,000 -107,000 -4,697,000 -2,348,000 -2,401,000 -2,545,000 -2,343,000 -2,324,000 -2,484,000 -2,572,000 -2,329,000 -2,282,000 -2,379,000 -2,706,000 -2,269,000 -2,231,000 -2,336,000 -2,496,000 -2,127,000 -2,142,000 -2,235,000 -2,246,000                      
          payment of employee tax withholdings on equity transactions
        -317,000 -887,000 -2,889,000  -53,000 -885,000 -2,862,000  -4,141,000 -3,219,000 -50,000 -3,090,000 -1,550,000 -4,552,000 -1,000 -2,233,000 -2,392,000 -2,676,000 -58,000 -820,000 -24,000 -382,000 -66,000 -71,000 -215,000 -361,000 -23,000 -61,000 -415,000 -1,154,000 -101,000 -3,000 -531,000 -2,218,000 -16,000 -23,000                                
          net cash from financing activities
        -3,575,000 -4,138,000 -6,445,000 -3,331,000 -3,264,000 -4,067,000 -6,078,000 -1,116,000 -5,187,000 -4,026,000 -43,199,000 -3,123,000 -3,120,000 -3,104,000 -6,338,000 -3,500,000 -2,862,000 -2,993,000 -6,162,000 -3,044,000 -103,022,000 -2,996,000 92,660,000 -2,969,000 -4,409,000 -2,968,000 -7,894,000 -7,181,000 -2,532,000 -14,571,000 7,296,000 -2,435,000 -2,577,000 -29,869,000 17,821,000 -2,513,000 -2,496,000 -9,570,000 -5,513,000 -2,546,000 -29,092,000 -9,146,000 -5,554,000 -4,000,000 -4,015,000 -7,291,000 -4,354,000 -3,951,000 -3,927,000 -4,484,000 39,532,000 -4,720,000 -3,532,000 -3,197,000 -3,699,000 -2,444,000 -2,327,000 -3,015,000 -4,790,000 -2,345,000 -2,305,000 -2,797,000 -6,834,000 -2,538,000 -2,283,000 -2,263,000 -4,396,000 -11,934,000 -6,994,000 -25,972,000 -19,788,000 -15,761,000 -26,953,000 -650,000 610,000 5,467,000 -2,246,000 -29,734,000 -10,921,000 -8,143,000 2,590,000 -23,203,000 1,165,000 -1,448,000 881,000 2,722,000 3,342,000 855,000 533,000 -203,000 -3,175,000 -6,000 
          effect of exchange rate fluctuations on cash, cash equivalents and restricted cash
        545,000 12,119,000 8,122,000  6,578,000 -1,426,000 -4,997,000  -4,414,000 376,000 1,396,000  -12,031,000 -8,380,000 -2,671,000  -2,595,000 427,000 -1,539,000  3,627,000 946,000 -5,296,000  -2,890,000 -295,000 130,000                                                                  
          net decrease in cash, cash equivalents and restricted cash
        243,467,000 -696,000 -303,675,000  173,500,000 -62,909,000 -159,787,000  68,654,000 13,084,000 -150,756,000   68,648,000 -277,257,000   53,777,000 -132,418,000  -48,183,000 -32,240,000 -20,719,000  71,058,000 -9,448,000 -165,500,000  78,382,000 12,437,000 -134,167,000                                                              
          cash, cash equivalents and restricted cash at beginning of period
        515,813,000 412,618,000 355,489,000 545,259,000 316,489,000 271,719,000 280,262,000 208,162,000                                                              
          cash, cash equivalents and restricted cash at end of period
        243,467,000 -696,000 212,138,000 152,391,000 173,500,000 -62,909,000 252,831,000 126,147,000 68,654,000 13,084,000 204,733,000 79,979,000 -61,140,000 68,648,000 268,002,000 196,933,000 110,478,000 53,777,000 184,071,000 145,912,000 -48,183,000 -32,240,000 251,000,000 95,347,000 71,058,000 -9,448,000 114,762,000 115,448,000 78,382,000 12,437,000 73,995,000                                                              
          changes in assets and liabilities, net of effects of acquisitions:
                                                                                                    
          income taxes recoverable (payable)
                                                       -534,000 3,338,000 2,291,000 -803,000 -5,127,000 7,078,000 8,214,000 17,000                        619,000 811,000 542,000   -5,610,000 9,274,000 2,647,000 -3,180,000      
          acquisition of businesses, net of cash acquired
               -11,905,000 -2,204,000                                                   -554,000 -11,625,000 -3,828,000 -146,000 -3,610,000                        
          purchases of available for sale investments
                                       -152,000 -154,000 -157,000 -1,806,000 -114,000 -114,000 -115,000 -2,132,000 -124,000 -126,000 -122,000 -1,154,000 -67,000 -68,000 -74,000 -754,000 -88,000 -90,000 -95,000 -476,000 -98,000 -97,000 -105,000 -821,000 -187,000 -192,000                                    
          proceeds from sale of available for sale investments
                                                                28,000                                    
          payment of employee tax withholding on equity transactions
                                                                                                    
          repurchases of common stock
                                                                                                  
          acquisition earnout payments
               2,038,000 -2,038,000 -35,946,000         -1,000 -2,788,000 -1,446,000 -407,000     -60,000 -2,308,000 -2,189,000 -7,074,000 -387,000 -4,773,000 -723,000                                            
          effect of exchange rates fluctuations on cash, cash equivalents and restricted cash
                                                                                                    
          net increase in cash, cash equivalents and restricted cash
                   79,979,000    196,933,000                                                                             
          supplemental disclosures of cash flow information
                                                                                                    
          cash paid for
                                                                                                    
          income taxes
                                                                                                    
          loss on marketable securities
                                                                                                    
          acquisition of business, net of cash acquired
                  -29,907,000                                                                                 
          proceeds from line of credit
                           100,000,000     20,000,000 40,000,000                                                          
          payments on line of credit
                                  -12,000,000 -8,000,000 -25,000,000 -15,000,000                                                          
          interest
                                                                                                    
          changes in assets and liabilities, net of effects of acquisition:
                                                                                                    
          acquisition of business
                                    42,000 49,000 -3,210,000       -236,000 -8,770,000                                                      
          purchases of available-for-sale investments
                            -47,249,000 -69,294,000 -2,125,000    -1,678,000  -155,000 -143,000 -1,748,000                                                              
          proceeds from sales of available-for-sale investments
                            49,166,000 1,072,000 61,395,000    113,000  1,326,000 1,419,000 145,000                                                              
          income taxes payable
                              4,082,000    2,496,000  1,063,000 -3,569,000 503,000  -2,062,000 1,695,000 323,000  636,000 5,100,000 -5,812,000  662,000 849,000 -4,612,000  -1,160,000 3,509,000 -4,569,000           1,440,000 -4,693,000  3,669,000 1,152,000 -3,504,000                    -7,682,000          
          cash flows - operating activities:
                                                                                                    
          income taxes (payable) recoverable
                                                                                                    
          cash flows - investing activities:
                                                                                                    
          cash flows - financing activities:
                                                                                                    
          purchases of available-for-sale investments and marketable securities
                                                                                                    
          proceeds from sales of available-for-sale investments and marketable securities
                                                                                                    
          effect of exchange rates fluctuations on cash and cash equivalents
                                      2,038,000 2,160,000 2,132,000 1,839,000 1,736,000 -3,027,000 57,000 -710,000 1,293,000 -747,000 -1,530,000 724,000 -3,085,000 -2,348,000 -2,355,000 298,000 298,000 -342,000 972,000 -1,566,000 -1,001,000   -1,909,000 2,915,000 -1,218,000 -6,486,000 1,667,000 1,805,000                                  
          accounts receivables
                                                                                                    
          restricted cash
                                       -1,000   727,000 6,501,000     50,000 -1,000 -239,000 137,000 76,000 -24,000 -26,000 -6,512,000 51,000 231,000 70,000 705,000 180,000 -872,000 -142,000 2,622,000 140,000 5,541,000 -642,000 51,000 108,000 -9,000                        
          net increase in cash and cash equivalents
                                                   51,815,000    48,856,000                    51,508,000    111,586,000    10,041,000    69,778,000    -57,478,000    9,125,000    550,000 
          cash and cash equivalents at beginning of period
                                       165,011,000 190,452,000 211,352,000 181,646,000 117,605,000 185,390,000 181,124,000 123,030,000                          
          cash and cash equivalents at end of period
                                       101,816,000 47,540,000 -10,151,000 68,329,000 65,036,000 14,584,000 23,344,000 62,047,000 61,492,000 9,076,000 12,259,000 107,625,000 51,815,000 36,187,000 21,945,000 101,405,000 48,856,000 33,095,000 14,035,000 85,660,000 -9,532,000 30,286,000 14,211,000 82,640,000 49,891,000 32,421,000 10,908,000 92,170,000 58,361,000 30,170,000 11,422,000 81,171,000 47,736,000 10,666,000   51,508,000 36,949,000                        
          supplemental schedule of non-cash financing activities:
                                                                                                    
          term loan facility retirement
                                                                                                  
          subsequent drawing on line of credit
                                                                                                  
          cash flows—operating activities:
                                                                                                    
          cash flows—investing activities:
                                                                                                    
          acquisition of businesses
                                        -250,000                                                            
          proceeds from sales of available for sale investments
                                        897,000 118,000 256,000  266,000 125,000 119,000  375,000 136,000 119,000  374,000 125,000 467,000  91,000 33,000 31,000  30,000 29,000 48,000                                      
          cash flows—financing activities:
                                                                                                    
          net decrease in cash and cash equivalents
                                        47,540,000 -10,151,000 -96,682,000  14,584,000 23,344,000 -128,405,000  9,076,000 12,259,000 -103,727,000   21,945,000 -80,241,000   14,035,000 -31,945,000  30,286,000 14,211,000 -102,750,000  32,421,000 10,908,000 -88,954,000  30,170,000 11,422,000 -41,859,000  10,666,000 -31,744,000 -138,159,000   3,251,000 -117,757,000   -12,282,000 -25,964,000   40,229,000 -134,153,000   26,011,000 -40,763,000   21,345,000 -21,960,000   17,169,000 -31,501,000  
          cash paid for restructuring charges
                                                  -33,000 -34,000 -35,000 -37,000 -36,000 -81,000 -302,000 -303,000 -313,000 -385,000 -2,080,000 -2,909,000 -3,754,000 -6,833,000 -98,000 -79,000 -481,000 -621,000 -998,000 -565,000 -1,255,000 -1,581,000 -6,462,000 -9,419,000 -7,558,000 -720,000 -716,000 -681,000 -724,000 -791,000 -456,000 -972,000 -1,075,000 -1,667,000 -1,006,000 -1,090,000 -3,354,000 -6,640,000 -8,546,000 -17,067,000 -3,012,000 -1,113,000 -3,299,000 -3,849,000 -5,710,000 -2,619,000 -3,576,000    
          debt repayment
                                               -26,500,000 -1,500,000 -1,500,000 -1,500,000 -1,500,000 -1,500,000 -1,500,000 -1,500,000 -1,500,000                                            
          gross income taxes
                                                                                                    
          supplemental schedule of non-cash activities:
                                                                                                    
          account receivables
                                              -17,048,000                                                      
          acquisition of business and earnout payments, net of cash acquired
                                                                                                    
          proceeds from debt issuance
                                                       40,000,000                                          
          accounts and other receivables
                                                 -15,908,000 -17,581,000 23,067,000 6,827,000                                                
          restructuring charges
                                                           507,000 303,000     920,000   1,050,000 8,228,000 13,362,000         2,000 -149,000 379,000 176,000 76,000 1,580,000       22,530,000 1,413,000    
          income taxes recoverable
                                                                        5,111,000 1,010,000 -14,689,000  3,039,000    -9,209,000               -3,301,000 1,196,000    
          other
                                                               -15,000         5,000      -1,138,000 6,000 10,000 7,000 46,000 17,000 43,000 4,000 4,000 71,000 11,000 30,000 -663,000 -1,085,000 1,577,000 254,000 -7,913,000 -836,000 6,619,000 2,529,000 -7,712,000 
          purchases of treasury stock
                                                                          -1,033,000 -5,051,000 -23,974,000 -18,013,000 -13,336,000 -29,529,000 -12,155,000 -12,732,000 -2,266,000 -3,924,000 -31,739,000 -13,797,000 -9,662,000 -25,095,000 -2,403,000     -3,175,000 
          trade and other receivables
                                                      -13,258,000 21,843,000 2,434,000 -13,099,000 -10,942,000 24,910,000 -2,572,000 -7,787,000 -8,263,000 31,306,000 5,110,000 -16,097,000 -9,500,000 30,519,000 -11,576,000 -16,318,000 -19,836,000 12,136,000 -11,929,000 -2,731,000 10,310,000 32,059,000 4,649,000 -7,346,000 -26,437,000 32,713,000 5,085,000 -13,806,000 -19,748,000 15,465,000 -6,207,000 -8,192,000 -15,533,000 18,817,000 850,000 -8,669,000 -15,861,000 4,873,000 8,481,000 -7,470,000 -9,711,000 5,356,000 2,658,000 -104,000 -8,888,000 16,592,000 
          prepayments
                                                      -1,621,000 2,582,000 -2,901,000 240,000 -546,000 2,972,000 3,322,000 -1,914,000 -1,483,000 802,000 1,591,000 -891,000 -2,688,000 4,384,000 -1,423,000 -964,000 -1,325,000 5,953,000 396,000 1,683,000 -3,635,000                          
          write-off of investment
                                                               2,810,000                                
          net realized (gains) losses on investments
                                                                                                    
          loan to equity method investment
                                                               -1,000 -1,007,000                                  
          net realized losses on investments
                                                                 -2,000 257,000                                  
          retirement and pension assets and liabilities
                                                        34,000 32,000 508,000     957,000 -872,000   -1,362,000                                
          accretion expense
                                                                                                    
          other operating income
                                                                                                  
          effect of exchange rate fluctuations on cash and cash equivalents
                                                                    5,693,000 -3,587,000 480,000  2,039,000                            
          retirement and pension assets
                                                             24,000 773,000                                      
          cash flows from operating activities:
                                                                                                    
          write-off of software development project
                                                                                                   
          net realized and unrealized losses on investments
                                                               -277,000     784,000 -187,000 420,000                              
          cash flows from investing activities:
                                                                                                    
          purchase of equity method investment
                                                                                                    
          cash flows from financing activities:
                                                                                                    
          proceeds from stock options exercised
                                                                       563,000 675,000 66,000 251,000 249,000 331,000 128,000 2,242,000 8,750,000 8,233,000 6,114,000 1,239,000 1,108,000 1,676,000 1,519,000 2,590,000 1,892,000 3,568,000 1,054,000 1,081,000 2,722,000 3,711,000 855,000 785,000   264,000 
          allowance for doubtful accounts
                                                                -408,000                                    
          income taxes receivable
                                                                                                    
          loss on sale of property and equipment
                                                                                                    
          net realized and unrealized (gains) losses on investments
                                                                       223,000                             
          impairment charge
                                                                       231,000                            
          purchases of cost and equity method investments
                                                                                                    
          proceeds from sales of short-term investments
                                                                           22,275,000 87,550,000 38,200,000 29,825,000 51,500,000 45,000,000 12,501,000   60,000,000 20,050,000 150,000,000 6,875,000          
          proceeds from sale of a business
                                                                                                  
          cash paid (received) for
                                                                                                    
          supplemental schedule of noncash financing and investing activities
                                                                                                    
          unrealized gain on available-for-sale investments
                                                                                                    
          beginning of period—accrued treasury stock purchases
                                                                                                    
          treasury stock purchases
                                                                           5,378,000                        
          cash paid for treasury stock purchases
                                                                           -1,033,000 -5,051,000 -25,579,000 -16,408,000 -13,336,000 -29,529,000 -12,155,000 -12,732,000   -31,739,000 -13,797,000              
          accrued treasury stock purchases
                                                                            327,000 -2,141,000 2,847,000 294,000 291,000 296,000 724,000   1,144,000 2,780,000              
          purchases of equity method investment
                                                                        -1,300,000                          
          payment of employee tax withholdings from equity transactions
                                                                      -4,128,000 -269,000 -52,000 -490,000 -2,575,000                          
          proceeds from sales of equity securities
                                                                       7,000   18,000 353,000 346,000 80,000 93,000 46,000 169,000 136,000 269,000 532,000 375,000 22,000 193,000 456,000 137,000 1,176,000 73,000 128,841,000 28,000 51,000 83,000 74,000 165,000 366,000 369,000 
          payments to consultants related to sales of equity securities
                                                                       -4,000    -104,000 -60,000 -151,000 -18,000 -74,000 -21,000   -115,000 -413,000   -108,000 -198,000 -17,349,000 -655,000          
          purchases of short-term investments
                                                                               -40,575,000 -36,675,000 -70,775,000 -7,950,000 -58,375,000 -22,501,000 -21,185,000 -88,814,000 -10,050,000 -92,775,000 -9,775,000          
          excess tax benefits related to stock-based compensation
                                                                               -198,000 604,000 3,590,000 3,981,000 1,881,000 507,000                
          effect of foreign currency exchange rates on cash and cash equivalents
                                                                          -7,255,000 -2,117,000 -10,940,000 3,967,000 2,921,000 1,469,000 5,476,000 1,846,000 1,071,000 3,241,000 -2,329,000 1,451,000 1,304,000 64,000 371,000 -1,704,000 -1,257,000 3,660,000 660,000 -347,000 -18,000 2,611,000 734,000 1,243,000 786,000 2,015,000 
          cash paid for—
                                                                                                    
          supplemental schedule of noncash financing activities
                                                                                                    
          beginning of period – accrued treasury stock purchases
                                                                                                  
          cash and cash equivalents at beginning of period:
                                                                          234,531,000                          
          cash and cash equivalents at end of period:
                                                                          96,372,000                          
          supplemental schedule of noncash financing activities:
                                                                                                    
          impairment of intangible assets
                                                                                                    
          (gain) loss on sale of property and equipment
                                                                                                    
          net realized and unrealized gains on equity and warrant portfolio
                                                                                    -319,000              -227,000  
          net realized and unrealized (gains) losses on equity and warrant portfolio
                                                                                -22,000 64,000 59,000    -196,000              
          net realized and unrealized losses on equity and warrant portfolio
                                                                             -22,000 24,000            150,000          
          decrease in restricted cash
                                                                              191,000                      
          acquisition
                                                                              -171,000 -16,000 -235,000 -1,026,000                  
          cash and cash equivalents:
                                                                                                    
          beginning of period
                                                                              260,580,000  147,440,000  203,689,000  98,428,000  119,289,000  110,220,000  
          end of period
                                                                              142,823,000  39,800,000 -12,282,000 121,476,000  27,634,000 40,229,000 69,536,000  50,235,000 26,011,000 57,665,000  161,557,000 21,345,000 97,329,000  14,276,000 17,169,000 78,719,000  
          total value of treasury stock purchases
                                                                              19,255,000 13,630,000 29,820,000 12,451,000 13,456,000   32,883,000 16,577,000              
          impairment of intangibles
                                                                                                   
          gain on sale of equity securities
                                                                                                    
          net unrealized loss on derivative instruments
                                                                                                    
          increase in restricted cash
                                                                               -649,000 45,000                    
          beginning of year
                                                                                                    
          end of year
                                                                                                    
          net unrealized (gain) loss on derivative instruments
                                                                                                    
          tax benefits related to stock-based compensation
                                                                                      1,200,000              
          retirement and pension plan liabilities
                                                                                                    
          payments on debt
                                                                                           -200,000 -369,000     
          cash paid (refunded) for—
                                                                                                    
          net realized and unrealized losses (gains) on equity and warrant portfolio
                                                                                            -56,445,000 -644,000 122,000  -199,000    
          write-down of long-term investments
                                                                                                    
          cumulative effect of accounting change, net of tax
                                                                                                    
          acquisitions, net of cash acquired
                                                                                                    
          debt from the acquisition of net assets
                                                                                                    
          issuance of stock for merger and acquisitions
                                                                                                    
          write-down of long-term investment
                                                                                                    
          purchases of property and equipment
                                                                                                -1,326,000 -1,569,000 -1,336,000 -1,513,000 
          payments on long-term debt
                                                                                                    
          severance and office consolidation charges
                                                                                                  5,500,000  
          cash paid for severance and office consolidations
                                                                                                  -8,952,000  
          income taxes recoverable, net—current
                                                                                                  7,802,000  
          minority interest in loss of consolidated subsidiary
                                                                                                    
          nonrecurring compensation and general and administrative expenses
                                                                                                    
          special charges
                                                                                                   25,363,000 
          cash paid for special charges
                                                                                                    
          purchases of securities for nonqualified retirement plan
                                                                                                    
          purchases of long-term investments
                                                                                                    
          proceeds from sales of common stock and treasury stock
                                                                                                    
          proceeds from sale of subsidiary stock
                                                                                                    
          repurchase of subsidiary options and stock
                                                                                                    
          issuance of stock related to debt from acquisition
                                                                                                    
          accrued special charges
                                                                                                    
          income taxes recoverable/payable
                                                                                                    
          payments of long-term debt