7Baggers

EPAM Systems, Inc
(NYSE:EPAM) 

EPAM stock logo

EPAM Systems, Inc. provides digital platform engineering and software development services in North America, Europe, Russia, Belarus, Kazakhstan, Ukraine, Georgia, East Asia, Southeast Asia, and Australia. The company offers engineering services, including requirements analysis and platform selectio...

Founded: 1993
Full Time Employees: 38,000
Sector: Technology
Industry: Information Technology Services
Technology
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    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 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 
                                                             
      revenues
    		1,407,548,000 1,394,373,000 1,353,443,000 1,301,692,000 1,248,351,000 1,167,527,000 1,146,597,000 1,165,465,000 1,157,257,000 1,152,136,000 1,170,206,000 1,210,941,000 1,231,303,000 1,226,920,000 1,194,861,000 1,171,614,000 1,107,464,000 988,539,000 881,366,000 780,775,000 723,493,000 652,243,000 632,383,000 651,359,000 632,775,000 588,103,000 551,587,000 521,333,000 504,931,000 468,186,000 445,647,000 424,148,000 399,297,000 377,523,000 348,977,000 324,651,000 313,525,000 298,293,000 283,832,000 264,482,000 260,253,000 236,049,000 217,781,000 200,045,000 202,184,000 192,764,000 174,695,000 160,384,000 157,585,000 140,150,000 133,184,000 124,198,000 125,538,000 110,078,000 103,800,000 94,383,000  
      operating expenses:
    		                                                         
      cost of revenues
    		984,346,000 983,169,000 964,012,000 952,008,000 868,314,000 763,992,000 810,857,000 834,334,000 797,633,000 794,265,000 808,715,000 855,901,000 832,728,000 826,796,000 846,323,000 780,836,000 727,267,000 653,374,000 583,728,000 519,328,000 465,792,000 423,388,000 419,540,000 423,802,000 410,069,000 377,525,000 355,915,000 344,689,000 319,031,000 301,081,000 289,175,000 277,634,000 254,121,000 239,369,000 220,132,000 207,730,000 198,226,000 190,797,000 180,782,000 167,381,000 158,291,000 148,479,000 134,256,000 125,887,000 121,465,000 122,509,000 110,102,000 102,454,000 97,627,000 88,539,000 83,547,000 77,937,000 77,284,000 69,099,000 63,803,000 60,175,000  
      selling, general and administrative expenses
    		243,161,000 234,948,000 231,681,000 218,917,000 216,969,000 206,820,000 194,058,000 198,453,000 213,972,000 194,829,000 194,377,000 211,887,000 204,952,000 198,021,000 232,527,000 237,277,000 190,939,000 169,498,000 151,910,000 136,389,000 128,929,000 116,530,000 114,191,000 125,108,000 124,999,000 118,886,000 111,762,000 101,786,000 101,477,000 92,490,000 91,843,000 87,777,000 84,793,000 81,190,000 80,419,000 78,453,000 71,432,000 67,491,000 64,241,000 61,494,000 64,414,000 55,431,000 55,976,000 46,938,000 49,761,000 42,875,000 38,671,000 32,359,000 32,980,000 27,893,000 28,541,000 27,083,000 26,377,000 21,153,000 20,711,000 17,627,000  
      depreciation and amortization expense
    		30,787,000 31,313,000 31,274,000 31,437,000 26,556,000 19,736,000 21,121,000 22,146,000 23,158,000 23,092,000 22,768,000 22,782,000 23,146,000 21,876,000 22,991,000 24,259,000 23,591,000 21,543,000 20,454,000 17,807,000 16,779,000 15,929,000 15,226,000 14,940,000 12,962,000 11,127,000 11,028,000 10,200,000 10,183,000 9,319,000 8,962,000 8,176,000 7,696,000 7,174,000 7,020,000 6,672,000 6,237,000 5,925,000 6,123,000 5,102,000 4,899,000 4,393,000 3,903,000 4,200,000 2,833,000 5,510,000 5,451,000 3,689,000 3,743,000 3,906,000 3,854,000 3,617,000 3,208,000 3,040,000 2,423,000 2,211,000  
      income from operations
    		149,254,000 144,943,000 126,476,000 99,330,000 136,512,000 176,979,000 120,561,000 110,532,000 122,494,000 114,028,000 144,346,000 120,371,000 170,477,000 180,227,000 93,020,000 129,242,000 165,667,000 144,124,000 125,274,000 107,251,000 111,993,000 96,396,000 83,426,000 87,509,000 84,745,000 80,565,000 72,882,000 64,658,000 78,270,000 64,560,000 54,237,000 48,697,000 52,050,000 49,248,000 40,682,000 30,966,000 37,383,000 33,902,000 32,080,000 30,331,000 31,765,000 27,776,000 23,606,000 22,820,000 24,015,000 21,835,000 18,476,000 21,857,000 23,192,000 20,230,000 17,535,000 15,536,000 18,656,000 16,736,000 16,830,000 13,784,000  
      yoy
    		9.33% -18.10% 4.91% -10.13% 11.44% 55.21% -16.48% -8.17% -28.15% -36.73% 55.18% -6.86% 2.90% 25.05% -25.75% 20.50% 47.93% 49.51% 50.16% 22.56% 32.15% 19.65% 14.47% 35.34% 8.27% 24.79% 34.38% 32.78% 50.37% 31.09% 33.32% 57.26% 39.23% 45.27% 26.81% 2.09% 17.69% 22.06% 35.90% 32.91% 32.27% 27.21% 27.77% 4.41% 3.55% 7.93% 5.37% 40.69% 24.31% 20.88% 4.19% 12.71%      
      qoq
    		2.97% 14.60% 27.33% -27.24% -22.87% 46.80% 9.07% -9.77% 7.42% -21.00% 19.92% -29.39% -5.41% 93.75% -28.03% -21.99% 14.95% 15.05% 16.80% -4.23% 16.18% 15.55% -4.67% 3.26% 5.19% 10.54% 12.72% -17.39% 21.24% 19.03% 11.38% -6.44% 5.69% 21.06% 31.38% -17.17% 10.27% 5.68% 5.77% -4.51% 14.36% 17.67% 3.44% -4.98% 9.98% 18.18% -15.47% -5.76% 14.64% 15.37% 12.87% -16.72% 11.47% -0.56% 22.10%   
      interest and other income
    		-89,000 2,302,000 3,519,000 5,814,000 6,451,000 13,347,000 12,036,000 15,042,000 13,962,000 13,931,000 11,710,000 11,521,000 4,383,000 4,228,000 1,579,000 -165,000 -4,356,000 -5,325,000 2,580,000 5,374,000 -2,053,000 1,672,000 1,817,000 2,386,000 1,950,000 2,509,000 1,190,000 3,076,000 1,080,000 1,941,000 1,052,000 -551,000 1,799,000 1,416,000 802,000 584,000 1,432,000 1,067,000 1,138,000 1,211,000 1,409,000 865,000 1,299,000 1,158,000 1,368,000 1,261,000 1,164,000 976,000 832,000 846,000 769,000 630,000 519,000 486,000 460,000 476,000  
      foreign exchange loss
    		-5,344,000 -3,627,000  -10,727,000    -1,919,000   -6,010,000 -4,608,000   -85,941,000    -4,693,000    -9,167,000     -3,484,000    -247,000 -1,772,000 -77,000  -2,955,000   -2,295,000 -1,290,000   -465,000 -5,754,000 1,123,000 -718,000 -1,239,000 -1,241,000 -712,000 -720,000 -869,000  -135,000 -635,000 -1,394,000   
      income before provision for income taxes
    		143,821,000 143,618,000 123,768,000 94,417,000 137,331,000 189,616,000 133,810,000 123,655,000 127,403,000 131,852,000 150,046,000 127,284,000 201,162,000 191,146,000 8,658,000 106,292,000 159,949,000 135,358,000 123,161,000 114,924,000 102,020,000 103,964,000 76,076,000 96,419,000 84,797,000 79,969,000 70,510,000 64,250,000 78,768,000 65,987,000 57,119,000 47,899,000 52,077,000 50,587,000 43,046,000 28,595,000 32,050,000 33,241,000 30,923,000 30,252,000 34,733,000 28,673,000 24,440,000 18,224,000 24,582,000 22,378,000 18,401,000 21,592,000 23,312,000 20,356,000 17,435,000 15,667,000 19,040,000 16,587,000 15,896,000 14,340,000  
      provision for income taxes
    		34,467,000 36,802,000 35,742,000 20,935,000 34,032,000 53,270,000 35,165,000 7,412,000 29,849,000 34,648,000 30,013,000 24,992,000 46,123,000 35,092,000 -9,946,000 16,573,000 17,670,000 19,702,000 8,490,000 5,878,000 16,481,000 14,532,000 9,452,000 10,854,000 10,273,000 12,967,000 11,733,000 3,496,000 18,803,000 369,000 6,864,000 -16,519,000 82,951,000 7,953,000 5,687,000 4,954,000 7,287,000 7,067,000 6,493,000 6,353,000 7,095,000 5,800,000 5,209,000 3,510,000 6,159,000 3,338,000 3,587,000 4,228,000 4,553,000 3,919,000 3,317,000 2,987,000 4,041,000 2,522,000 2,575,000 2,241,000  
      net income
    		109,354,000 106,816,000 88,026,000 73,482,000 103,299,000 136,346,000 98,645,000 116,243,000 97,554,000 97,204,000 120,033,000 102,292,000 155,039,000 156,054,000 18,604,000 89,719,000 142,279,000 115,656,000 114,671,000 109,046,000 85,539,000 89,432,000 66,624,000 85,565,000 74,524,000 67,002,000 58,777,000 60,754,000 59,965,000 65,618,000 50,255,000 64,418,000 -30,874,000 42,634,000 37,359,000 23,641,000 24,763,000 26,174,000 24,430,000 23,899,000 27,638,000 22,873,000 19,231,000 14,714,000 18,423,000 19,040,000 14,814,000 17,364,000 18,759,000 16,437,000 14,118,000 12,680,000 14,999,000 14,065,000 13,321,000 12,099,000  
      yoy
    		5.86% -21.66% -10.76% -36.79% 5.89% 40.27% -17.82% 13.64% -37.08% -37.71% 545.20% 14.01% 8.97% 34.93% -83.78% -17.72% 66.33% 29.32% 72.12% 27.44% 14.78% 33.48% 13.35% 40.84% 24.28% 2.11% 16.96% -5.69% -294.22% 53.91% 34.52% 172.48% -224.68% 62.89% 52.92% -1.08% -10.40% 14.43% 27.03% 62.42% 50.02% 20.13% 29.82% -15.26% -1.79% 15.84% 4.93% 36.94% 25.07% 16.86% 5.98% 4.80%      
      qoq
    		2.38% 21.35% 19.79% -28.86% -24.24% 38.22% -15.14% 19.16% 0.36% -19.02% 17.34% -34.02% -0.65% 738.82% -79.26% -36.94% 23.02% 0.86% 5.16% 27.48% -4.35% 34.23% -22.14% 14.82% 11.23% 13.99% -3.25% 1.32% -8.62% 30.57% -21.99% -308.65% -172.42% 14.12% 58.03% -4.53% -5.39% 7.14% 2.22% -13.53% 20.83% 18.94% 30.70% -20.13% -3.24% 28.53% -14.69% -7.44% 14.13% 16.43% 11.34% -15.46% 6.64% 5.59% 10.10%   
      net income per share
    		                                                         
      basic
    		1.99 1.92 1.56 1.29 1.82 2.4 1.71 2.01 1.69 1.68 2.07 1.77 2.7 2.72 0.33 1.58 2.51 2.04 2.03 1.94 1.53 1.6 1.2 1.55 1.35 1.22 1.07 1.12 1.11 1.22 0.94 1.21 -0.6 0.81 0.72 0.46 0.49 0.51 0.49 0.48 0.56 0.47 0.4 0.31 0.39 0.4 0.31 0.37 0.4 0.36 0.31 0.28 0.34 0.33 0.31 0.3  
      diluted
    		1.97 1.91 1.56 1.28 1.8 2.37 1.7 1.97 1.66 1.65 2.03 1.73 2.62 2.63 0.32 1.52 2.4 1.95 1.94 1.86 1.46 1.53 1.14 1.47 1.29 1.16 1.02 1.06 1.05 1.15 0.89 1.15 -0.58 0.77 0.68 0.44 0.47 0.49 0.46 0.45 0.52 0.44 0.37 0.29 0.37 0.38 0.3 0.35 0.225 0.34 0.29 0.27      
      shares used in calculation of net income per share:
    		                                                         
      basic
    		-321 55,557 56,319 56,780 -157 56,910 57,594 57,837 -21 57,853 57,993 57,702 97 57,420 57,240 56,915 82 56,649 56,463 56,170 -55,569,000 55,883,879 55,700,706 55,286,747 115,511 54,877,666 54,681,959 54,245 -53,431,716 53,851,865 53,517,124 53,079 270 52,545 51,899 50,958 137 51,131 50,211 49,714 215 49,043 48,584 47,886 131 47,315 47,068 46,797 262 46,162 45,486 44,812 1,200 42,952 42,475 30,197  
      diluted
    		-301 55,817 56,536 57,262 -183 57,425 58,149 58,931 -58 58,948 59,181 59,298 61 59,357 59,020 58,941 65 59,203 59,011 58,778 -58,282,732 58,616,106 58,246,231 58,142,570 100,450 57,844,355 57,614,284 57,236 -56,542,965 56,962,867 56,587,009 56,241 322 55,229 54,848 53,889 56 53,864 53,271 52,883 231 52,344 51,917 51,000 204 49,829 49,559 49,207 12,030 48,720 47,977 47,646      
      foreign exchange gain
    		  -6,227,000  -354,000 -710,000 1,213,000  -1,681,250 3,893,000   -25,508,750 6,691,000  -22,785,000 -1,458,750 -3,441,000  2,299,000 -7,920,000 5,896,000  6,524,000 -1,898,000 -3,105,000 -3,562,000  -582,000 -514,000 1,830,000    1,562,000  -1,328,250 -1,728,000   -1,546,750 32,000          -499,000    80,000  
      loss on sale of business
    		         25,922,000                                                
      foreign currency translation adjustments, net of tax
    		                    -3,969,500 199,000 12,442,000 -28,519,000 10,846,000 -10,114,000 2,620,000 2,943,000 -6,695,000 -2,118,000 -15,834,000 3,309,000                          
      unrealized gain on cash-flow hedging instruments, net of tax
    		                    -855,000 -498,000 6,446,000 -9,368,000 1,371,000 -2,163,000 1,537,000 3,100,000    69,000                          
      comprehensive income
    		                    55,580,750 89,133,000 85,512,000 47,678,000 86,741,000 54,725,000 62,934,000 66,797,000 52,798,000 63,426,000 32,345,000 67,796,000 -27,449,000 48,337,000 41,910,000 30,027,000 19,554,000 26,532,000 22,044,000 28,598,000 21,939,000 14,532,000 22,905,000 11,984,000 7,115,000 10,780,000 17,708,000 13,787,000 18,361,000 19,412,000 13,073,000 10,337,000 15,640,000 16,769,000 10,857,000 13,711,000  
      other operating expenses
    		                            1,007,500 736,000 1,430,000 1,864,000 637,000 542,000 724,000 830,000   606,000 174,000 52,500 -30,000 40,000 200,000 513,750 35,000 1,995,000 25,000 43,000 -418,000 -293,000 25,000 13,000 50,000 33,000 586,000  
      unrealized net loss on cash-flow hedging instruments, net of tax
    		                            -520,250 -74,000 -2,076,000                           
      foreign currency translation adjustments
    		                                3,425,000 5,703,000 4,551,000 6,386,000 -5,209,000 358,000 -2,386,000 4,699,000 -5,699,000 -8,341,000 3,674,000 -2,730,000 -11,308,000 -8,260,000 2,894,000 -3,577,000 -103,250 2,975,000        
      other operating expenses/(income)
    		                                    239,500 178,000                    
      net income allocated to participating securities
    		                                                    -82,000   -3,135,000  
      net income available for common stockholders
    		                                                18,759,000 16,437,000 14,118,000 12,680,000 14,917,000 14,065,000 13,321,000 8,964,000  
      cumulative translation adjustment
    		                                                  -1,045,000 -2,343,000      
      shares used in calculation of net income per share of common stock:
    		                                                         
      basic
    		-321 55,557 56,319 56,780 -157 56,910 57,594 57,837 -21 57,853 57,993 57,702 97 57,420 57,240 56,915 82 56,649 56,463 56,170 -55,569,000 55,883,879 55,700,706 55,286,747 115,511 54,877,666 54,681,959 54,245 -53,431,716 53,851,865 53,517,124 53,079 270 52,545 51,899 50,958 137 51,131 50,211 49,714 215 49,043 48,584 47,886 131 47,315 47,068 46,797 262 46,162 45,486 44,812 1,200 42,952 42,475 30,197  
      diluted
    		-301 55,817 56,536 57,262 -183 57,425 58,149 58,931 -58 58,948 59,181 59,298 61 59,357 59,020 58,941 65 59,203 59,011 58,778 -58,282,732 58,616,106 58,246,231 58,142,570 100,450 57,844,355 57,614,284 57,236 -56,542,965 56,962,867 56,587,009 56,241 322 55,229 54,848 53,889 56 53,864 53,271 52,883 231 52,344 51,917 51,000 204 49,829 49,559 49,207 12,030 48,720 47,977 47,646      
      goodwill impairment loss
    		                                                         
      accretion of preferred stock
    		                                                         
      net income per share
    		                                                         
      basic
    		1.99 1.92 1.56 1.29 1.82 2.4 1.71 2.01 1.69 1.68 2.07 1.77 2.7 2.72 0.33 1.58 2.51 2.04 2.03 1.94 1.53 1.6 1.2 1.55 1.35 1.22 1.07 1.12 1.11 1.22 0.94 1.21 -0.6 0.81 0.72 0.46 0.49 0.51 0.49 0.48 0.56 0.47 0.4 0.31 0.39 0.4 0.31 0.37 0.4 0.36 0.31 0.28 0.34 0.33 0.31 0.3  
      basic
    		                                                         
      diluted
    		                                                    0.32 0.3 0.29 0.27  
      shares used in calculation of net income per share of common stock:
    		                                                         
      basic
    		-321 55,557 56,319 56,780 -157 56,910 57,594 57,837 -21 57,853 57,993 57,702 97 57,420 57,240 56,915 82 56,649 56,463 56,170 -55,569,000 55,883,879 55,700,706 55,286,747 115,511 54,877,666 54,681,959 54,245 -53,431,716 53,851,865 53,517,124 53,079 270 52,545 51,899 50,958 137 51,131 50,211 49,714 215 49,043 48,584 47,886 131 47,315 47,068 46,797 262 46,162 45,486 44,812 1,200 42,952 42,475 30,197  
                                                             
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 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 
                                                               
        assets
      		                                                         
        current assets
      		                                                         
        cash and cash equivalents
      		1,296,077,000 1,239,136,000 1,041,344,000 1,173,639,000 1,286,267,000 2,036,394,000 1,787,182,000 1,983,721,000 2,036,235,000 1,872,977,000 1,776,919,000 1,749,422,000 1,681,344,000 1,487,599,000 1,293,518,000 1,276,461,000 1,446,625,000 1,266,614,000 1,283,233,000 1,372,829,000 1,322,143,000 1,161,065,000 993,724,000 916,253,000 936,552,000 853,241,000 777,365,000 762,529,000 770,560,000 685,108,000 584,081,000 535,857,000 582,585,000 512,493,000 443,501,000 398,419,000 362,025,000 330,627,000 280,724,000 244,877,000 199,449,000 214,443,000 175,717,000 192,363,000 220,534,000 191,246,000 175,075,000 174,066,000 169,207,000 122,979,000 107,475,000 102,806,000 118,112,000 105,885,000 104,930,000 112,736,000 88,796,000 
        trade receivables and contract assets, net of allowance of 6,350 and 5,612, respectively
      		1,108,201,000                                                         
        prepaid and other current assets
      		129,610,000 154,408,000 170,175,000 151,972,000 136,116,000 113,069,000 106,103,000 106,398,000 97,355,000 78,851,000 106,143,000 86,758,000 85,319,000 63,032,000 76,845,000 89,032,000 53,927,000 69,992,000 72,549,000 46,848,000 29,570,000 37,843,000 37,679,000 48,786,000 39,943,000   30,864,000 26,171,000         32,205,000 15,273,000 19,261,000 14,344,000 20,205,000 19,635,000 14,390,000 9,289,000 18,188,000 16,200,000 15,111,000 14,355,000 22,234,000 17,167,000 15,738,000 12,264,000 13,270,000 10,323,000 10,157,000 6,436,000 
        total current assets
      		2,533,888,000 2,524,040,000 2,370,475,000 2,415,691,000 2,426,248,000 3,106,856,000 2,915,643,000 3,083,153,000 3,091,361,000 2,925,288,000 2,871,974,000 2,830,789,000 2,759,625,000 2,527,986,000 2,359,678,000 2,266,753,000 2,269,480,000 2,092,194,000 2,038,018,000 2,004,718,000 1,912,782,000 1,752,222,000 1,598,336,000 1,507,737,000 1,474,211,000 1,364,692,000 1,285,823,000 1,244,747,000 1,199,068,000 1,129,002,000 1,024,519,000 970,180,000 960,033,000 883,742,000 788,481,000 708,010,000 646,551,000 635,723,000 573,522,000 552,238,000 528,935,000 500,060,000 456,966,000 433,815,000 415,087,000 401,940,000 374,839,000 352,264,000 330,968,000 305,196,000 273,469,000 255,397,000 250,955,000 237,672,000 224,772,000 223,105,000 183,563,000 
        property and equipment
      		202,387,000 198,821,000 201,619,000 203,244,000 207,667,000 207,502,000 210,378,000 222,244,000 235,053,000 239,654,000 255,772,000 267,067,000 273,348,000 209,700,000 211,119,000 219,639,000 236,214,000 176,881,000 173,545,000 164,749,000 169,533,000 163,689,000 167,359,000 164,671,000 165,259,000 115,321,000 111,175,000 105,805,000 102,646,000 99,465,000 98,450,000 96,825,000 86,419,000 77,935,000 77,115,000 75,962,000 73,616,000 70,284,000 66,751,000 64,294,000 60,499,000 60,552,000 58,446,000 55,115,000 55,134,000 54,665,000 54,523,000 53,072,000 53,315,000 54,062,000 55,400,000 53,265,000 53,135,000 52,948,000 40,219,000 37,200,000 35,482,000 
        operating lease right-of-use assets
      		114,875,000 123,439,000 129,332,000 124,430,000 128,244,000 129,929,000 129,953,000 135,754,000 134,898,000 136,311,000 145,844,000 146,815,000 148,780,000 148,219,000 159,726,000 175,514,000 184,841,000 192,628,000 196,572,000 207,350,000 228,672,000 232,780,000 234,760,000 243,671,000 238,991,000 207,145,000 210,447,000 173,091,000                              
        intangible assets
      		406,586,000 419,806,000 435,891,000 426,693,000 436,418,000 74,494,000 78,241,000 80,756,000 71,118,000 69,730,000 68,132,000 73,113,000 77,652,000 79,220,000 89,032,000 97,569,000 101,143,000 74,576,000 65,130,000 48,547,000 51,975,000 54,321,000 55,887,000 58,676,000 56,258,000 56,537,000 53,821,000 50,087,000 57,065,000 52,669,000 55,201,000 59,500,000 44,511,000 46,238,000 49,998,000 49,668,000 51,260,000 53,867,000 55,962,000 45,765,000 46,860,000 37,176,000 37,820,000 45,091,000 47,689,000 46,280,000 49,381,000 12,957,000 13,734,000 14,539,000 15,115,000 16,030,000 16,834,000 6,014,000 6,227,000 1,111,000 1,251,000 
        goodwill
      		1,210,564,000 1,208,912,000 1,209,463,000 1,187,027,000 1,181,575,000 621,903,000 608,072,000 595,220,000 562,459,000 548,177,000 534,489,000 533,730,000 529,072,000 505,542,000 521,267,000 534,136,000 530,723,000 386,508,000 335,477,000 210,881,000 211,956,000 207,764,000 199,039,000 198,534,000 195,043,000 186,299,000 179,214,000 167,707,000 166,832,000 144,987,000 144,667,000 150,337,000 119,531,000 119,452,000 116,239,000 110,291,000 109,289,000 111,722,000 110,668,000 118,615,000 115,930,000 84,229,000 62,207,000 56,346,000 57,417,000 39,055,000 42,547,000 26,392,000 22,268,000 22,411,000 22,304,000 22,575,000 22,698,000 11,305,000 12,436,000 8,459,000 8,169,000 
        deferred tax assets
      		295,115,000 235,318,000 240,852,000 255,084,000 269,799,000 218,320,000 213,074,000 197,474,000 197,901,000 187,524,000 164,471,000 167,654,000 172,797,000 214,219,000 172,807,000 161,302,000 143,928,000 104,057,000 96,115,000 90,188,000 92,454,000 90,071,000 78,102,000 79,044,000 75,013,000 75,071,000 69,734,000 69,345,000 69,983,000 61,905,000 54,805,000 48,170,000 24,974,000 30,300,000 33,022,000 29,211,000    12,569,000                  
        other noncurrent assets
      		138,721,000 132,964,000 123,064,000 111,443,000 100,522,000 98,193,000 67,968,000 59,976,000 59,575,000 55,588,000 53,015,000 52,177,000 47,877,000 50,717,000 50,335,000 52,657,000 56,898,000 56,935,000 56,758,000 54,108,000 53,960,000 54,578,000 55,647,000 59,548,000 39,433,000 35,098,000 21,237,000 20,653,000 16,208,000                             
        total assets
      		4,902,136,000 4,843,300,000 4,710,696,000 4,723,612,000 4,750,473,000 4,457,197,000 4,223,329,000 4,374,577,000 4,352,365,000 4,162,272,000 4,093,697,000 4,071,345,000 4,009,151,000 3,735,603,000 3,563,964,000 3,507,570,000 3,523,227,000 3,242,233,000 2,961,615,000 2,780,541,000 2,721,332,000 2,555,425,000 2,389,130,000 2,311,881,000 2,244,208,000 2,040,163,000 1,931,451,000 1,831,435,000 1,611,802,000 1,503,982,000 1,392,195,000 1,343,402,000 1,250,256,000 1,173,006,000 1,079,383,000 986,987,000 925,811,000 909,199,000 843,888,000 807,865,000 778,536,000 703,728,000 636,493,000 609,534,000 594,026,000 565,031,000 537,964,000 458,637,000 432,877,000 405,464,000 374,517,000 356,746,000 350,814,000 312,720,000 287,994,000 274,610,000 235,613,000 
        liabilities
      		                                                         
        current liabilities
      		                                                         
        accounts payable
      		55,329,000 42,981,000 45,278,000 44,455,000 44,702,000 30,774,000 30,954,000 27,247,000 31,992,000 25,415,000 27,289,000 28,857,000 30,852,000 28,288,000 22,488,000 19,406,000 24,847,000 8,086,000 9,712,000 7,168,000 10,189,000 10,785,000 7,596,000 5,232,000 7,831,000 6,896,000 6,043,000 4,397,000 7,444,000 8,422,000 6,727,000 8,474,000 5,574,000 5,592,000 4,253,000 3,256,000 3,213,000 4,661,000 3,005,000 3,562,000 2,576,000 12,061,000 11,993,000 13,366,000 4,641,000 6,027,000 12,500,000 11,812,000 2,835,000 8,195,000 8,376,000 9,728,000 6,095,000 2,558,000 4,345,000 4,060,000 2,714,000 
        accrued compensation and benefits expenses
      		608,232,000 543,738,000 458,612,000 495,562,000 484,952,000 422,548,000 367,670,000 438,216,000 412,747,000 392,417,000 359,299,000 444,728,000 475,871,000 456,965,000 414,674,000 408,789,000 502,997,000 412,061,000 309,328,000 315,991,000 294,709,000 263,918,000 223,436,000 250,560,000 230,035,000                                 
        accrued expenses and other current liabilities
      		250,688,000 188,591,000 184,643,000 174,370,000 201,356,000 155,817,000 129,539,000 122,900,000 124,823,000 127,898,000 127,710,000 130,902,000 151,478,000 161,922,000 181,525,000 177,872,000 142,014,000 140,298,000 109,148,000 75,326,000 79,690,000 65,242,000 62,639,000 66,434,000 82,476,000 128,639,000 96,026,000 72,793,000 127,937,000 98,442,000 72,443,000 56,701,000 89,812,000                         
        income taxes payable, current
      		25,520,000 19,492,000 18,461,000 35,269,000 50,395,000 34,346,000 37,466,000 33,962,000 38,812,000 29,554,000 30,766,000 37,439,000 46,069,000 34,390,000 18,190,000 20,264,000 27,440,000 20,928,000 16,939,000 9,097,000 20,603,000 13,779,000 10,972,000 6,987,000 9,064,000                                 
        operating lease liabilities, current
      		37,173,000 40,460,000 40,433,000 39,468,000 39,634,000 37,561,000 36,829,000 36,205,000 36,558,000 38,294,000 39,001,000 40,932,000 40,352,000 38,602,000 41,125,000 47,021,000 50,104,000 51,174,000 52,821,000 56,179,000 60,759,000 61,107,000 60,937,000 60,108,000 57,542,000 51,424,000 48,429,000 39,856,000                              
        total current liabilities
      		976,942,000 835,262,000 747,427,000 789,124,000 821,039,000 681,046,000 602,458,000 658,530,000 644,932,000 613,578,000 584,065,000 682,858,000 747,483,000 727,957,000 684,703,000 683,252,000 763,420,000 632,547,000 522,948,000 463,761,000 465,950,000 414,831,000 365,580,000 389,321,000 386,948,000 311,470,000 272,614,000 282,566,000 262,829,000 220,973,000 181,411,000 179,908,000 180,967,000 158,984,000 130,220,000 122,891,000 116,219,000 122,430,000 92,014,000 107,544,000 127,911,000 112,368,000 90,001,000 117,597,000 125,413,000 84,068,000 77,643,000 60,455,000 54,664,000 52,115,000 47,340,000 48,367,000 59,352,000 46,072,000 43,901,000 47,109,000 53,127,000 
        long-term debt
      		25,034,000 25,036,000 25,038,000 25,059,000 25,194,000 25,331,000 25,501,000 25,787,000 26,126,000 27,500,000 25,854,000 28,253,000 27,693,000 28,198,000 30,221,000 30,550,000 30,234,000 25,024,000 29,000 25,032,000 25,038,000 25,039,000 25,044,000 25,046,000 25,074,000 25,000,000 25,000,000 25,000,000 25,031,000 25,028,000 25,020,000 25,025,000 25,033,000 25,041,000 25,033,000 25,040,000 25,048,000 33,062,000 40,088,000 40,116,000 35,000,000 15,000,000                
        operating lease liabilities, noncurrent
      		81,497,000 89,721,000 97,220,000 93,615,000 98,426,000 102,551,000 103,654,000 110,368,000 109,261,000 108,332,000 115,987,000 117,913,000 122,317,000 122,700,000 130,891,000 140,814,000 142,802,000 149,556,000 151,985,000 162,005,000 180,604,000 183,935,000 181,705,000 189,312,000 180,848,000 153,980,000 158,137,000 127,935,000                              
        deferred tax liabilities, noncurrent
      		76,969,000 96,956,000 98,063,000 94,210,000 92,362,000                                                     
        other noncurrent liabilities
      		63,886,000 69,482,000 74,586,000 78,388,000 82,301,000 93,640,000 93,757,000 104,207,000 100,576,000 112,844,000 104,451,000 111,879,000 108,648,000 40,729,000 48,702,000 55,095,000 48,480,000 53,794,000 32,973,000 21,879,000 23,274,000 28,127,000 20,316,000 14,873,000 9,315,000 13,858,000 9,803,000 14,030,000 17,661,000 11,804,000 16,421,000 21,090,000 9,435,000                         
        total liabilities
      		1,224,328,000 1,116,457,000 1,042,334,000 1,080,396,000 1,119,322,000 902,568,000 825,370,000 898,892,000 880,895,000 862,254,000 830,357,000 940,903,000 1,006,141,000 976,959,000 939,958,000 953,814,000 1,027,390,000 903,114,000 748,947,000 716,602,000 738,314,000 695,191,000 636,036,000 664,399,000 648,063,000 548,046,000 509,204,000 493,210,000 349,206,000 308,047,000 279,392,000 288,054,000 275,309,000 187,861,000 159,677,000 151,885,000 144,399,000 159,087,000 134,921,000 150,243,000 165,313,000 130,860,000 92,433,000 121,703,000 129,976,000 119,331,000 111,317,000 62,357,000 56,776,000 53,852,000 49,284,000 53,287,000 64,534,000 47,569,000 45,388,000 48,603,000 54,614,000 
        commitments and contingencies
      		                                                         
        equity
      		                                                         
        stockholders’ equity
      		                                                         
        common stock, 0.001 par value...
      		54,000 55,000 56,000 57,000 57,000 57,000 57,000 58,000 58,000 58,000 58,000 58,000 58,000 57,000 57,000 57,000 57,000 57,000 57,000 56,000 56,000 56,000 56,000 56,000 55,000 55,000 55,000 54,000 54,000 54,000 54,000 53,000 53,000 52,000 51,000 51,000 50,000 50,000 50,000 49,000 49,000 49,000 49,000 48,000 48,000 48,000 48,000 47,000 46,000 46,000        
        additional paid-in capital
      		1,390,423,000 1,329,512,000 1,286,067,000 1,235,475,000 1,190,222,000 1,129,238,000 1,087,411,000 1,039,647,000 1,008,766,000 951,086,000 913,580,000 864,254,000 847,965,000 801,950,000 760,975,000 719,122,000 711,912,000 693,887,000 670,264,000 647,884,000 660,771,000 648,686,000 630,679,000 610,579,000 607,051,000 589,764,000 574,619,000 553,532,000 544,700,000 530,837,000 511,131,000 486,022,000 473,874,000 456,624,000 439,523,000 396,829,000 374,907,000 363,154,000 348,527,000 319,225,000 303,363,000 284,934,000 270,658,000 241,066,000 229,501,000 220,722,000 212,450,000 201,955,000 195,585,000 189,457,000 182,503,000 173,803,000 166,962,000 164,443,000 158,667,000 157,232,000 40,020,000 
        retained earnings
      		2,268,204,000 2,384,297,000 2,360,343,000 2,468,955,000 2,555,796,000 2,465,269,000 2,379,332,000 2,496,757,000 2,501,107,000 2,440,043,000 2,421,326,000 2,342,730,000 2,248,948,000 2,093,909,000 1,937,855,000 1,919,251,000 1,829,532,000 1,687,253,000 1,571,597,000 1,456,926,000 1,347,880,000 1,262,341,000 1,172,909,000 1,106,285,000 1,020,590,000 946,066,000 879,064,000 820,287,000 759,533,000 699,568,000 633,950,000 583,695,000 518,820,000 549,694,000 507,060,000 469,701,000 444,320,000 419,557,000 393,383,000 368,953,000 345,054,000 317,416,000 294,543,000 275,312,000 260,598,000 242,204,000 223,164,000 208,350,000 190,986,000 172,227,000 155,790,000 141,672,000 128,992,000 113,993,000 99,928,000 86,607,000 74,508,000 
        accumulated other comprehensive income
      		18,545,000 12,397,000 21,314,000                                                       
        total epam systems, inc. stockholders’ equity
      		3,677,226,000 3,726,261,000 3,667,780,000 3,642,634,000 3,629,211,000 3,554,047,000 3,397,377,000 3,475,110,000  3,299,439,000                                                
        noncontrolling interest in consolidated subsidiaries
      		582,000 582,000 582,000 582,000 1,940,000 582,000 582,000 575,000 579,000 579,000 579,000 1,478,000 1,478,000 1,478,000 1,653,000 1,653,000 8,720,000                                         
        total equity
      		3,677,808,000 3,726,843,000 3,668,362,000 3,643,216,000 3,631,151,000 3,554,629,000 3,397,959,000 3,475,685,000 3,471,470,000 3,300,018,000 3,263,340,000 3,130,442,000 3,003,010,000    2,495,837,000                                         
        total liabilities and equity
      		4,902,136,000 4,843,300,000 4,710,696,000 4,723,612,000 4,750,473,000 4,457,197,000 4,223,329,000 4,374,577,000 4,352,365,000 4,162,272,000 4,093,697,000                                               
        trade receivables and contract assets, net of allowance of 4,481 and 5,612, respectively
      		 1,130,496,000                                                        
        trade receivables and contract assets, net of allowance of 4,833 and 5,612, respectively
      		  1,158,956,000                                                       
        trade receivables and contract assets, net of allowance of 4,928 and 5,612, respectively
      		   1,090,080,000                                                      
        accumulated other comprehensive loss
      		   -61,853,000 -116,864,000 -40,517,000 -69,423,000 -61,352,000 -39,040,000 -91,630,000 -72,085,000 -77,960,000 -95,321,000 -138,632,000 -76,357,000 -86,150,000 -54,207,000 -41,901,000 -29,073,000 -40,750,000 -25,512,000 -50,672,000 -50,373,000 -69,261,000 -31,374,000 -43,591,000 -31,314,000 -35,471,000 -41,514,000 -34,347,000 -32,155,000 -14,245,000 -17,623,000 -21,048,000 -26,751,000 -31,302,000 -37,688,000 -32,479,000 -32,837,000 -30,451,000 -35,150,000 -29,451,000 -21,110,000 -24,784,000 -22,054,000 -10,774,000 -2,515,000 -5,409,000 -1,832,000 -1,434,000 -4,409,000 -3,364,000 -1,021,000 -1,662,000 -4,366,000 -1,902,000 -3,514,000 
        trade receivables and contract assets, net of allowance of 5,612 and 11,864, respectively
      		    1,002,175,000                                                     
        short-term investments
      		    1,690,000 22,316,000 61,492,000 61,625,000 60,739,000 60,431,000 71,376,000 60,373,000 60,336,000 60,216,000 60,098,000      60,007,000 60,089,000 60,025,000                                   
        trade receivables and contract assets, net of allowance of 5,864 and 11,864, respectively
      		     935,077,000                                                    
        trade receivables and contract assets, net of allowance of 6,557 and 11,864, respectively
      		      960,866,000                                                   
        trade receivables and contract assets, net of allowance of 8,403 and 11,864, respectively
      		       931,409,000                                                  
        trade receivables and contract assets, net of allowance of 11,864 and 15,310, respectively
      		        897,032,000                                                 
        treasury stock
      		         -118,000 -118,000 -118,000 -118,000 -118,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -177,000 -170,000 -156,000 -154,000 -93,000 -80,000 -80,000 -3,811,000 -4,043,000 -6,500,000 -6,500,000 -8,663,000 -8,684,000 -8,684,000 -8,697,000 -8,697,000 -8,697,000 -11,666,000 -11,666,000 -15,972,000 -15,972,000 
        total epam systems inc. stockholders’ equity
      		        3,470,891,000  3,262,761,000 3,128,964,000 3,001,532,000 2,757,166,000 2,622,353,000 2,552,103,000 2,487,117,000                                         
        trade receivables and contract assets, net of allowance of 10,884 and 15,310, respectively
      		         913,029,000                                                
        trade receivables and contract assets, net of allowance of 14,744 and 15,310, respectively
      		          917,536,000                                               
        trade receivables and contract assets, net of allowance of 14,184 and 15,310, respectively
      		           934,236,000                                              
        total liabilities and stockholders’ equity
      		           4,071,345,000 4,009,151,000 3,735,603,000 3,563,964,000 3,507,570,000 3,523,227,000 3,242,233,000 2,961,615,000 2,780,541,000 2,721,332,000 2,555,425,000 2,389,130,000 2,311,881,000 2,244,208,000 2,040,163,000 1,931,451,000 1,831,435,000 1,611,802,000 1,503,982,000 1,392,195,000 1,343,402,000 1,250,256,000 1,173,006,000 1,079,383,000 986,987,000 925,811,000 909,199,000 843,888,000 807,865,000 778,536,000 703,728,000 636,493,000 609,534,000 594,026,000 565,031,000 537,964,000 458,637,000 432,877,000 405,464,000  356,746,000 350,814,000 312,720,000 287,994,000 274,610,000 235,613,000 
        trade receivables and contract assets, net of allowance of 15,310 and 5,521, respectively
      		            932,626,000                                             
        short-term debt
      		            2,861,000 7,790,000 6,701,000 9,900,000 16,018,000  25,000,000                                       
        trade receivables and contract assets, net of allowance of 18,666 and 5,521, respectively
      		             917,139,000                                            
        income taxes payable, noncurrent
      		             57,375,000 45,441,000 44,103,000 42,454,000 42,193,000 41,012,000 43,925,000 43,448,000 43,259,000 43,391,000 45,847,000 45,878,000                                 
        total stockholders’ equity
      		             2,758,644,000 2,624,006,000 2,553,756,000  2,339,119,000 2,212,668,000 2,063,939,000 1,983,018,000 1,860,234,000 1,753,094,000 1,647,482,000 1,596,145,000 1,492,117,000 1,422,247,000 1,338,225,000 1,262,596,000 1,195,935,000 1,112,803,000 1,055,348,000 974,947,000 985,145,000 919,706,000 835,102,000 781,412,000 750,112,000 708,967,000 657,622,000 613,223,000 572,868,000 544,060,000 487,831,000 464,050,000 445,700,000 426,647,000 396,280,000 376,101,000 351,612,000  303,459,000 286,280,000 265,151,000 242,606,000 226,007,000 95,059,000 
        trade receivables and contract assets, net of allowance of 18,554 and 5,521, respectively
      		              929,217,000                                           
        trade receivables and contract assets, net of allowance of 14,229 and 5,521, respectively
      		               901,260,000                                          
        trade receivables and contract assets, net of allowance of 5,521 and 4,886, respectively
      		                768,928,000                                         
        trade receivables and contract assets, net of allowance of 6,207 and 4,886, respectively
      		                 755,588,000                                        
        restricted cash, noncurrent
      		                 158,454,000                                        
        trade receivables and contract assets, net of allowance of 7,647 and 4,886, respectively
      		                  682,236,000                                       
        trade receivables and contract assets, net of allowance of 7,575 and 4,886, respectively
      		                   585,041,000                                      
        trade receivables and contract assets, net of allowance of 4,886 and 2,920, respectively
      		                    501,062,000                                     
        trade receivables and contract assets, net of allowance of 5,371 and 2,920, respectively
      		                     493,225,000                                    
        trade receivables and contract assets, net of allowance of 6,070 and 2,920, respectively
      		                      506,908,000                                   
        trade receivables and contract assets, net of allowance of 5,356 and 2,920, respectively
      		                       542,698,000                                  
        trade receivables and contract assets, net of allowance of 2,920 and 1,557, respectively
      		                        497,716,000                                 
        accounts receivable
      		                         339,112,000 343,864,000 307,202,000 297,685,000 282,276,000 283,001,000 262,295,000 265,639,000 230,119,000 208,273,000 176,686,000 199,982,000 187,833,000 178,796,000 157,457,000 174,617,000 125,683,000 134,941,000 104,714,000 124,483,000 113,940,000 108,179,000 89,932,000 95,431,000 87,611,000 82,817,000 75,665,000 78,906,000 67,867,000 68,186,000 54,235,000 59,472,000 
        unbilled revenues
      		                         142,949,000 135,786,000 144,152,000 104,652,000 129,683,000 123,434,000 136,807,000 86,500,000 106,377,000 107,858,000 102,838,000 63,325,000 82,360,000 96,045,000 115,428,000 95,808,000 104,860,000 92,266,000 88,033,000 55,851,000 70,926,000 67,880,000 58,791,000 43,108,000 64,957,000 57,680,000 51,762,000 33,414,000 44,342,000 36,817,000 41,961,000  
        prepaid expenses and other current assets
      		                         29,390,000 28,808,000                               
        due to employees
      		                         63,536,000 64,032,000 86,012,000 49,683,000 52,405,000 50,374,000 60,642,000 38,757,000 42,920,000 41,312,000 44,951,000 32,203,000 34,894,000 33,421,000 39,368,000 32,067,000 28,666,000 25,986,000 29,870,000 24,518,000 22,371,000 21,006,000 17,305,000 12,665,000 14,530,000 13,744,000 15,129,000 12,026,000 12,137,000 13,326,000 14,035,000 8,234,000 
        deferred compensation due to employees
      		                         13,427,000 7,928,000 9,673,000 9,920,000 9,174,000 4,338,000 1,827,000 5,964,000 2,890,000 1,172,000 6,838,000 5,900,000 4,035,000 910,000 6,924,000                  
        taxes payable, current
      		                         47,548,000 50,156,000 69,835,000 67,845,000    40,860,000                         
        taxes payable, noncurrent
      		                         43,738,000 43,650,000 43,679,000 43,685,000 50,242,000 56,540,000 62,031,000 59,874,000                         
        prepaid and other current assets, net of allowance of 50 and 45, respectively
      		                             29,646,000                            
        employee loans, current, net of allowance of 23 and 0, respectively
      		                             2,289,000                            
        employee loans, noncurrent, net of allowance of 0 and 0, respectively
      		                             1,456,000 1,669,000 1,883,000 2,097,000                         
        other noncurrent assets, net of allowance of 0 and 140, respectively
      		                             14,498,000                            
        taxes payable
      		                             52,530,000 47,529,000 52,264,000  35,740,000 35,661,000 35,395,000 25,008,000 39,499,000 21,765,000 25,945,000 29,472,000 26,401,000 21,505,000 16,005,000 24,704,000 20,317,000 15,050,000 10,413,000 14,171,000 17,364,000 13,619,000 10,282,000 14,557,000 12,802,000 10,095,000 9,029,000 8,712,000 
        prepaid and other current assets, net of allowance of 42 and 45, respectively
      		                              31,919,000                           
        employee loans, current, net of allowance of 0 and 0, respectively
      		                              2,084,000 2,067,000 2,113,000                         
        other noncurrent assets, net of allowance of 130 and 140, respectively
      		                              12,884,000                           
        prepaid and other current assets, net of allowance of 161 and 45, respectively
      		                               33,154,000                          
        other noncurrent assets, net of allowance of 138 and 140, respectively
      		                               16,507,000                          
        prepaid and other current assets, net of allowance of 45 and 644, respectively
      		                                23,196,000                         
        other noncurrent assets, net of allowance of 140 and 132, respectively
      		                                12,691,000                         
        restricted cash
      		                                  2,638,000 268,000 2,400,000 236,000 246,000 238,000                2,404,000 2,582,000 
        time deposits
      		                                 803,000 403,000 403,000 403,000    30,181,000 30,000,000 30,000,000 30,000,000  1,061,000 1,142,000 6,884,000 1,188,000  977,000 1,562,000 1,006,000 1,545,000    
        prepaid and other current assets, net of allowance of 123 and 644, respectively
      		                                 31,557,000                        
        employee loans, net of allowance of 0 and 0, respectively
      		                                 2,393,000 2,533,000 2,694,000 2,726,000 2,698,000 2,684,000 2,646,000                  
        other long-term assets, net of allowance of 136 and 132, respectively
      		                                 12,599,000                        
        accrued expenses and other liabilities
      		                                 71,842,000 47,822,000 32,451,000 49,895,000 34,856,000 29,557,000 28,646,000 60,384,000 42,487,000 26,841,000 20,579,000 32,203,000 31,665,000 23,280,000 15,314,000 20,175,000 8,866,000 7,017,000 7,636,000 19,814,000    24,782,000 
        other long-term liabilities
      		                                 3,836,000 4,424,000 3,954,000 3,132,000 268,000        31,672,000 31,892,000           
        prepaid and other current assets, net of allowance of 292 and 644, respectively
      		                                  23,275,000                       
        other long-term assets, net of allowance of 138 and 132, respectively
      		                                  11,546,000 10,625,000                      
        prepaid and other current assets, net of allowance of 406 and 644, respectively
      		                                   26,702,000                      
        prepaid and other assets, net of allowance of 644 and 0, respectively
      		                                    15,690,000                     
        other long-term assets, net of allowance of 132 and 0, respectively
      		                                    10,599,000                     
        other long-term assets
      		                                     7,486,000 7,270,000 5,035,000 4,113,000 3,341,000 3,561,000 3,794,000 3,368,000 3,747,000 2,862,000 4,797,000 3,409,000 969,000 938,000 731,000 632,000 578,000 553,000 540,000 2,691,000 
        deferred revenue
      		                                     3,685,000 3,356,000 3,099,000             6,369,000 3,847,000 4,607,000 5,479,000 6,949,000 
        contingent consideration
      		                                     800,000                    
        deferred tax liabilities
      		                                     3,327,000 2,819,000 2,583,000                  
        employee loans, net of allowance of 0 and 0, respectively, current
      		                                        2,689,000 2,760,000 2,576,000 2,498,000 2,434,000 2,349,000 2,240,000 2,114,000  1,848,000 1,417,000 1,018,000      
        deferred tax assets, current
      		                                        11,847,000 2,109,000 1,831,000 1,817,000 2,496,000 4,230,000 4,123,000 5,366,000 5,392,000 5,350,000 5,876,000 6,822,000 6,593,000 3,815,000 4,000,000 4,016,000 4,384,000 
        restricted cash, long-term
      		                                        238,000 187,000 111,000 114,000 156,000 208,000 212,000 216,000 225,000 246,000 353,000 356,000 467,000 674,000 1,921,000   
        employee loans, net of allowance of 0 and 0, respectively, long-term
      		                                        3,649,000 4,177,000 3,814,000 3,806,000 4,081,000 4,207,000 4,218,000 4,234,000  4,456,000 3,408,000 2,232,000      
        deferred tax assets, long-term
      		                                        18,312,000 14,006,000 13,568,000 11,453,000 11,094,000 14,929,000 9,382,000 4,705,000 4,557,000 3,585,000 3,530,000 6,160,000 6,093,000 3,529,000 1,866,000 1,791,000 1,875,000 
        deferred revenue, current
      		                                        3,047,000 2,345,000 2,615,000 3,061,000 3,220,000 2,282,000 4,244,000 4,539,000  2,583,000 4,041,000 4,920,000      
        contingent consideration, current
      		                                           33,919,000 35,524,000             
        deferred tax liabilities, current
      		                                        365,000 408,000 974,000 705,000 603,000 1,406,000 1,563,000 1,072,000 275,000 577,000 543,000 672,000 491,000 1,243,000 1,232,000 1,205,000 1,736,000 
        deferred tax liabilities, long-term
      		                                        2,402,000 3,492,000 2,432,000 4,106,000 4,563,000 3,478,000 326,000 334,000 351,000 354,000 404,000 3,071,000 2,691,000 269,000 269,000 283,000 283,000 
        contingent liability, current
      		                                          87,000 92,000              
        restricted cash, current
      		                                                298,000 217,000 60,000 24,000 660,000 948,000 516,000   
        deferred revenue, long-term
      		                                             113,000 228,000 340,000  155,000 312,000 621,000 1,263,000     
        taxes payable, long-term
      		                                              1,228,000 1,228,000 1,228,000 1,228,000 1,228,000 1,228,000 1,228,000 1,228,000 1,218,000 1,211,000 1,204,000 
        employee loans, net of allowance for loan losses of 0 and 0, respectively, current
      		                                                1,989,000         
        employee loans, net of allowance for loan losses of 0 and 0, respectively, long-term
      		                                                4,401,000         
        deferred revenues, current
      		                                                4,543,000         
        deferred revenues, long-term
      		                                                533,000         
        stockholders' equity
      		                                                         
        common stock, .001 par value...
      		                                                  46,000 45,000 44,000 43,000 43,000 42,000 17,000 
        total stockholders' equity
      		                                                  325,233,000       
        total liabilities and stockholders' equity
      		                                                  374,517,000       
        preferred stock, .001 par value...
      		                                                        85,940,000 
        accrued expenses
      		                                                     13,485,000 10,296,000 13,301,000  
        unbilled revenues, net of allowance 0 in 2011 and 0 in 2010
      		                                                        24,475,000 
        puttable common stock, .001 par value...
      		                                                         
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 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 
                                                                
          cash flows from operating activities:
        		                                                        
          net income
        		109,354,000 106,816,000 88,026,000 73,482,000 103,299,000 136,346,000 98,645,000 116,243,000 97,554,000 97,204,000 120,033,000 102,292,000 155,039,000 156,054,000 18,604,000 89,719,000 142,279,000 115,656,000 114,671,000 109,046,000 85,539,000 89,432,000 66,624,000 85,565,000 74,524,000 67,002,000 58,777,000 60,754,000 59,965,000 65,618,000 50,255,000 64,418,000 -30,874,000 42,634,000 37,359,000 23,641,000 24,763,000 26,174,000 24,430,000 23,899,000 27,638,000 22,873,000 19,231,000 14,714,000 18,423,000 19,040,000 14,814,000 17,364,000 18,759,000 16,437,000 14,118,000 12,680,000 14,999,000 14,065,000 13,321,000 12,099,000 
          adjustments to reconcile net income to net cash from operating activities:
        		                                                        
          depreciation and amortization expense
        		30,787,000 31,313,000 31,274,000 31,437,000 26,556,000 19,736,000 21,121,000 22,146,000 23,158,000 23,092,000 22,768,000 22,782,000 23,146,000 21,876,000 22,991,000 24,259,000 23,597,000 21,543,000 20,454,000 17,807,000 16,779,000 15,929,000 15,226,000 14,940,000 12,962,000 11,127,000 11,028,000 10,200,000 10,183,000 9,319,000                           
          operating lease right-of-use assets amortization expense
        		10,331,000 10,358,000 10,652,000 9,929,000 9,494,000 9,278,000 9,339,000 9,434,000 10,060,000 10,214,000 10,585,000 10,043,000 10,441,000 11,299,000 11,250,000 14,787,000 15,057,000 15,197,000 15,820,000 15,676,000 15,902,000 16,633,000 17,018,000 16,816,000 15,656,000 14,471,000 13,545,000 12,187,000                             
          bad debt expense
        		        1,308,000 708,000 1,849,000 182,000 -494,000 1,140,000 3,073,000 8,675,000 -85,000 -255,000 -97,000 2,925,000 -541,000 -380,000 455,000 2,719,000 1,486,000 -34,000   -917,000 236,000   -28,000 -23,000   -151,000 -40,000 1,178,000 552,000 497,000 209,000 187,000 514,000 -129,000 177,000 401,000 368,000     197,000    
          deferred taxes
        		-62,503,000 9,296,000 -8,476,000 2,386,000 -39,307,000 -12,877,000 -13,877,000 1,866,000 -25,434,000 -16,363,000 3,780,000 823,000 12,687,000 -25,446,000 -18,575,000 -10,830,000 -39,952,000 -8,124,000 -5,516,000 6,692,000 -15,448,000 -7,517,000 -5,317,000 8,288,000 -4,659,000 -1,912,000 -2,039,000 846,000 -11,628,000 -8,791,000 -4,291,000 -23,290,000    2,595,000 -3,293,000 -80,000 551,000 -482,000 -15,863,000 163,000 277,000 95,000 -3,545,000 80,000 98,000 97,000 -694,000 205,000 262,000 268,000 -3,559,000 -413,000 62,000 -23,000 
          stock-based compensation expense
        		45,146,000 44,604,000 38,558,000 48,456,000 44,698,000 42,124,000 35,684,000 44,791,000 38,194,000 37,847,000 33,110,000 38,579,000 31,617,000 33,287,000 27,893,000 7,112,000 34,017,000 29,187,000 23,898,000 24,553,000 20,444,000 23,474,000 19,439,000 11,881,000 19,012,000 15,471,000 15,697,000 21,856,000 12,452,000 15,330,000 14,810,000 16,596,000 12,487,000 11,217,000 12,927,000 15,776,000 11,724,000 13,826,000 12,730,000 10,964,000 12,483,000 11,963,000 12,253,000 9,134,000 8,096,000 7,425,000 5,891,000 3,208,000 3,359,000        
          unrealized gain on derivative instruments
        		                                                        
          impairment charges
        		    22,000 298,000 52,000 45,000 5,331,000 29,000 571,000 88,000 2,407,000 210,000 601,000 20,401,000                                         
          loss on sale of business
        		        0                                                
          other
        		2,499,000 2,763,000 1,867,000 3,729,000 -988,000 -5,751,000 1,982,000 10,484,000 -1,705,000 1,553,000 2,821,000 -3,268,000 -31,108,000 -11,519,000 72,072,000 3,361,000 8,825,000 9,502,000 -264,000 -4,926,000 3,571,000 -1,233,000 -1,435,000 5,893,000 -2,758,000 3,584,000 3,418,000 520,000 1,722,000 -1,335,000 -117,000 -1,982,000 -514,000 -1,946,000 -2,201,000 651,000 4,394,000 831,000 953,000 50,000 1,525,000 273,000 -2,879,000 4,964,000 -1,872,000 271,000 2,042,000 294,000 59,000 1,000 553,000 586,000 -36,000 110,000 517,000 -657,000 
          changes in assets and liabilities:
        		                                                        
          trade receivables and contract assets
        		22,629,000 24,594,000 -39,672,000 -76,680,000 38,379,000 40,210,000 -26,840,000 -36,161,000 26,211,000 -5,839,000 15,557,000 -3,573,000 3,963,000 -13,532,000 -38,360,000 -144,783,000 21,026,000 -64,672,000 -78,643,000 -89,395,000 758,000 15,319,000 39,581,000 -51,423,000                                 
          prepaid and other assets
        		-20,226,000 1,172,000 13,373,000 -9,163,000 -24,792,000 -48,508,000 556,000 -4,215,000 -4,799,000 4,228,000 9,085,000 -105,000 -4,353,000 -4,437,000 6,165,000 -9,515,000 -7,414,000 -973,000 786,000 -8,581,000 2,722,000 3,045,000 10,962,000 -9,746,000                                 
          accounts payable
        		-7,421,000 -5,019,000 -745,000 502,000 -24,473,000 -2,257,000 3,129,000 -5,483,000 -683,000 -947,000 290,000 1,494,000 -11,703,000 8,044,000 5,358,000 -4,633,000 4,065,000 -2,520,000 -782,000 -3,166,000 592,000 1,203,000 3,040,000 -2,407,000 159,000 225,000 419,000 -2,488,000 -2,346,000 566,000 -1,512,000 2,520,000 -664,000 1,367,000 441,000 77,000 -1,270,000 1,550,000 -210,000 671,000 -10,909,000 385,000 -1,926,000 9,669,000 -2,339,000 -6,163,000 -2,664,000 8,563,000 -5,375,000 -155,000 -379,000 3,009,000 3,505,000 -2,447,000 -1,045,000 1,394,000 
          accrued expenses and other liabilities
        		122,266,000 82,568,000 -33,458,000 -27,248,000 -6,589,000 61,965,000 -42,954,000 -1,749,000 10,960,000 32,928,000 -70,035,000 -58,463,000 33,125,000 55,053,000 12,776,000 -74,929,000 68,835,000 93,594,000 9,058,000 -15,830,000 29,346,000 36,622,000 -11,272,000 5,437,000 30,217,000 31,328,000 16,659,000 -51,079,000 32,304,000 25,486,000 15,609,000 -31,470,000 18,557,000 22,058,000 15,151,000 -18,484,000 13,016,000 5,040,000 2,116,000 -34,098,000 15,719,000 15,004,000 6,214,000 -10,374,000 5,146,000 8,518,000 5,736,000 -7,908,000 11,323,000    5,493,000 3,198,000   
          operating lease liabilities
        		-13,392,000 -11,283,000 -10,598,000 -10,975,000 -9,761,000 -10,224,000 -9,437,000 -9,943,000 -13,783,000 -11,059,000 -12,579,000 -10,672,000 -10,273,000 -12,380,000 -14,844,000 -14,171,000 -15,654,000 -15,882,000 -16,211,000 -16,065,000 -17,430,000 -16,166,000 -15,211,000 -15,646,000 -14,189,000 -13,525,000 -12,530,000 -13,175,000                             
          income taxes payable
        		41,400,000 -2,298,000 -37,990,000 -21,475,000 15,052,000 12,296,000 -19,414,000 -16,100,000 4,997,000 15,362,000 -48,783,000 -4,964,000 -15,860,000 44,263,000 -22,133,000 -2,670,000 30,018,000 13,797,000 -14,338,000 -25,909,000 17,198,000 -797,000 7,046,000 -9,062,000                                 
          net cash from operating activities
        		282,890,000 294,684,000 53,198,000 24,162,000 130,259,000 241,962,000 57,027,000 129,920,000 171,369,000 214,879,000 89,052,000 87,334,000 186,069,000 252,368,000 77,515,000 -51,848,000 284,614,000 206,050,000 68,836,000 12,827,000 159,432,000 175,564,000 146,156,000 63,255,000 124,587,000 119,039,000 44,029,000 -202,000 123,130,000 102,299,000 59,459,000 7,330,000 71,384,000 64,884,000 27,868,000 31,228,000 53,651,000 61,812,000 38,493,000 10,861,000 11,839,000 55,520,000 2,163,000 6,871,000 48,705,000 23,142,000 16,839,000 16,188,000 46,430,000 15,575,000 7,958,000 -11,738,000 35,759,000 11,111,000 6,374,000 -4,745,000 
          capital expenditures
        		-14,781,000 -8,302,000 -9,831,000 -9,329,000 -15,727,000 -4,966,000 -4,704,000 -6,749,000 -9,995,000 -3,624,000 -6,883,000 -7,913,000 -21,495,000 -18,708,000 -18,152,000 -23,274,000 -56,617,000 -21,111,000 -22,587,000 -11,186,000 -18,482,000 -9,787,000 -11,449,000 -29,075,000 -47,013,000 -27,270,000 -11,601,000 -13,424,000 -10,109,000 -8,162,000 -8,592,000 -10,711,000 -12,925,000 -5,440,000 -5,716,000 -5,725,000 -9,336,000 -6,392,000 -7,404,000 -6,185,000 -3,739,000 -4,191,000 -3,469,000 -1,873,000 -3,752,000 -3,719,000 -2,288,000 -2,157,000 -2,432,000 -1,930,000 -6,111,000 -2,887,000 -3,059,000 -3,907,000 -3,086,000 -3,324,000 
          free cash flows
        		268,109,000 286,382,000 43,367,000 14,833,000 114,532,000 236,996,000 52,323,000 123,171,000 161,374,000 211,255,000 82,169,000 79,421,000 164,574,000 233,660,000 59,363,000 -75,122,000 227,997,000 184,939,000 46,249,000 1,641,000 140,950,000 165,777,000 134,707,000 34,180,000 77,574,000 91,769,000 32,428,000 -13,626,000 113,021,000 94,137,000 50,867,000 -3,381,000 58,459,000 59,444,000 22,152,000 25,503,000 44,315,000 55,420,000 31,089,000 4,676,000 8,100,000 51,329,000 -1,306,000 4,998,000 44,953,000 19,423,000 14,551,000 14,031,000 43,998,000 13,645,000 1,847,000 -14,625,000 32,700,000 7,204,000 3,288,000 -8,069,000 
          cash flows from investing activities:
        		                                                        
          purchases of property and equipment
        		-14,781,000 -8,302,000 -9,831,000 -9,329,000 -15,727,000 -4,966,000 -4,704,000 -6,749,000 -9,995,000 -3,624,000 -6,883,000 -7,913,000 -21,495,000 -18,708,000 -18,152,000 -23,274,000 -56,617,000 -21,111,000 -22,587,000 -11,186,000 -18,482,000 -9,787,000 -11,449,000 -29,075,000 -47,013,000 -27,270,000 -11,601,000 -13,424,000 -10,109,000 -8,162,000 -8,592,000 -10,711,000 -12,925,000 -5,440,000 -5,716,000 -5,725,000 -9,336,000 -6,392,000 -7,404,000 -6,185,000 -3,739,000 -4,191,000 -3,469,000 -1,873,000 -3,752,000 -3,719,000 -2,288,000 -2,157,000 -2,432,000 -1,930,000 -6,111,000 -2,887,000 -3,059,000 -3,907,000 -3,086,000 -3,324,000 
          purchases of short-term investments
        		-91,000 72,000 -47,000 -1,991,000 643,000 -659,000 4,000 -1,217,000 -304,000 0   0 0       -60,000,000 0                                   
          proceeds from short-term investments
        		    20,000,000 40,000,000 1,199,000 310,000 0        0 0 0 60,000,000                                     
          acquisition of businesses, net of cash acquired
        		                        -10,667,000 -12,415,000   -24,004,000 0   0 0   -1,001,000 -1,984,000   -49,254,000 -27,624,000 0 -30,000 -10,595,000 0 -24,079,000 -2,419,000         
          purchases of non-marketable securities
        		-305,000 -360,000 0 -360,000 -685,000 -18,000 -6,709,000 -200,000 -15,000 -1,375,000 0 -1,906,000 0    0 0 -1,500,000 -1,044,000 0 0                                   
          proceeds from sale of non-marketable securities
        		                                                        
          other investing activities
        		-1,118,000 -692,000 -1,665,000 134,000 638,000 738,000 -69,000 1,005,000 437,000 -261,000 -45,000 -7,898,000 -9,530,000 -8,458,000 -7,959,000 -3,082,000 179,000 -279,000 -512,000 691,000 566,000 426,000 97,000 -71,000 -107,000 -452,000 -1,044,000 -5,136,000 772,000 -1,601,000 148,000 -18,000 -148,000 -1,114,000 -227,000 37,000                     
          net cash from investing activities
        		-16,245,000 -9,280,000 -18,214,000 -5,308,000 -845,880,000 34,736,000 -22,846,000 -50,990,000 -20,697,000 -10,561,000 -17,793,000 -17,717,000 -31,139,000 -28,700,000 -88,525,000 -34,563,000 -210,432,000 -61,102,000 -145,851,000 48,461,000 -17,907,000 -15,676,000 -74,086,000 -59,485,000 -57,787,000 -40,137,000 -28,885,000 -18,560,000 -34,290,000 -9,519,000 -8,150,000 -60,164,000 -12,159,000 -6,440,000 -11,930,000 -5,644,000 -12,432,000 -8,708,000 -11,602,000 23,420,000 -52,319,000 -33,696,000 -5,597,000 -33,882,000 -14,521,000 -5,197,000 -21,535,000 -11,676,000 -2,945,000 -4,889,000 -7,512,000 -6,474,000 -28,264,000 -14,825,000 -12,819,000 -3,719,000 
          cash flows from financing activities:
        		                                                        
          proceeds from issuance of stock under employee incentive programs
        		                                                        
          payments of withholding taxes related to net share settlements of equity awards
        		                                                        
          proceeds from debt
        		        61,000 591,000 1,000 172,000 -2,351,000 887,000 1,296,000 1,931,000                 0 0   0 0 0 20,000,000                 
          repayment of debt
        		-6,418,000 -754,000 -404,000 -684,000 -368,000 -373,000 -535,000 -589,000 -362,000 -643,000 -553,000 -1,411,000 -4,000,000 -786,000 -3,920,000 -6,836,000         -2,000 -1,000 -2,000 -4,000 -9,000 -7,000 -12,000 -3,466,000 -14,000 -30,000 -25,029,000 -30,000 -8,033,000 -7,036,000 -29,000 -15,031,000                 
          repurchase of common stock
        		-223,526,000 -82,102,000 -196,533,000 -159,998,000 -13,003,000 -49,955,000 -214,477,000 -120,593,000 -36,491,000 -78,486,000 -41,437,000 -8,510,000                                          -11,000 0 -50,000 
          payment of contingent consideration for previously acquired businesses
        		-6,000                                                        
          purchase of subsidiary shares from noncontrolling interest
        		0 0 0 -1,358,000     0 0                                               
          other financing activities
        		-4,905,000 -677,000 -172,000 -915,000 -1,106,000 -2,618,000 1,252,000 -345,000 -1,158,000 -2,518,000 -151,000 -226,000 -441,000 -904,000 -256,000 -1,865,000 -2,555,000 94,000 -123,000 260,000 7,000 -4,000 -15,000 -9,000 -5,000 -6,000 -4,000 -9,000 0 0   -19,000 -58,000                       
          net cash from financing activities
        		-211,981,000 -85,650,000 -204,055,000 -149,514,000 1,260,000 -53,506,000 -226,080,000 -112,081,000 -22,356,000 -80,586,000 -47,513,000 -15,318,000 8,045,000 568,000 -1,030,000 -9,604,000 -45,059,000 4,498,000 -20,325,000 1,329,000 318,000 5,565,000 -4,602,000 -2,046,000 7,216,000 4,939,000 -1,973,000 10,181,000 2,150,000 9,260,000 7,575,000 4,016,000 9,530,000 6,084,000 26,250,000 7,882,000 -5,931,000 -3,345,000 9,954,000 9,789,000 28,313,000 19,388,000 -15,427,000 1,490,000 988,000 1,785,000 4,440,000 3,134,000 2,794,000 4,104,000 4,564,000 4,039,000 4,180,000 3,570,000 -212,000 31,309,000 
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        		3,198,000 -2,720,000 37,050,000 18,770,000 -35,954,000 25,904,000 -6,887,000 -19,560,000 35,011,000 -22,728,000 3,026,000 14,070,000 31,009,000 -30,215,000 -254,000 -45,407,000 -5,341,000 -8,930,000 8,095,000 -11,856,000 19,467,000 1,889,000 10,010,000 -22,009,000 9,283,000 -8,001,000 1,700,000 548,000 -5,580,000 -1,015,000 -10,685,000 3,040,000                         
          net increase in cash, cash equivalents and restricted cash
        		    -750,315,000 249,096,000 -198,786,000 -52,711,000 163,327,000 101,004,000 26,772,000 68,369,000 193,984,000   -141,422,000 23,782,000 140,516,000 -89,245,000 50,761,000 161,310,000 167,342,000   83,299,000 75,840,000   85,410,000 101,025,000 48,199,000 -45,778,000                         
          cash, cash equivalents and restricted cash, beginning of period
        		0 0 0 1,290,392,000 0 0 0 2,043,108,000 0 0 0 1,683,636,000 0 0 0 1,449,347,000 0 0 0 1,323,533,000 0 0 0 937,688,000 0 0 0 771,711,000 0 0 0 582,855,000                         
          cash, cash equivalents and restricted cash, end of period
        		57,862,000 197,034,000 -132,021,000 1,178,502,000 -750,315,000 249,096,000 -198,786,000 1,990,397,000 163,327,000 101,004,000 26,772,000 1,752,005,000 193,984,000 194,021,000 -12,294,000 1,307,925,000 23,782,000 140,516,000 -89,245,000 1,374,294,000 161,310,000 167,342,000 77,478,000 917,403,000 83,299,000 75,840,000 14,871,000 763,678,000 85,410,000 101,025,000 48,199,000 537,077,000                         
          bad debt recovery
        		   -218,000                                                    -374,000 
          acquisition of business, net of cash acquired
        		 2,000 -6,671,000 3,325,000  -359,000 -12,567,000 -44,139,000      91,000 -2,414,000 -8,207,000  -39,712,000    -6,315,000 -2,234,000 -10,339,000        -50,264,000                      0   
          proceeds from non-marketable securities
        		 0 0 2,913,000                                                     
          proceeds from issuance of stock under the employee incentive programs
        		 458,000 15,099,000 19,480,000  1,305,000 17,865,000 14,611,000 23,024,000 2,981,000 23,143,000 2,488,000 19,292,000 9,203,000                                           
          payments of withholding taxes related to net share settlements of restricted stock units
        		 -1,083,000 -22,045,000 -1,293,000 -2,725,000 -1,865,000 -27,810,000 -2,790,000 -900,000 -2,511,000 -22,538,000 -3,153,000 -4,455,000 -1,305,000 -16,920,000 -3,876,000 -7,490,000 -412,000 -30,392,000 -3,304,000 -3,919,000 -314,000 -14,881,000 -1,018,000 -982,000 -1,437,000 -11,876,000 -1,208,000  -372,000 -6,590,000 -106,000 -106,000 -386,000 -8,000 -2,694,000                     
          net decrease in cash, cash equivalents and restricted cash
        		 197,034,000 -132,021,000 -111,890,000                    -20,285,000    -8,033,000                             
          bad debt expense/
        		                               199,000                         
          payment of contingent consideration for previously acquired business
        		  0 -4,746,000  0 -2,375,000 -2,375,000  0 -4,006,000 -4,678,000  -6,419,000 0 -207,000  250,000    0 0 -7,869,000                                 
          bad debt (recovery)/expense
        		    -1,331,000 -674,000 -959,000 -1,438,000                    -133,000        -517,000                     
          unrealized loss on derivative instruments
        		        0 0                                               
          cash sold as part of sale of business, net of proceeds
        		        0                                                
          payment of deferred consideration for asset acquisitions
        		                                                        
          unrealized loss on derivative
        		           -7,904,000 -12,565,000 -11,544,000 -9,356,000 41,369,000                                         
          purchase of noncontrolling interest
        		            0 -108,000 0 -2,146,000                                         
          proceeds from stock option exercises
        		               3,395,000 6,110,000 4,566,000 11,237,000 4,373,000 3,383,000 5,883,000 10,294,000 6,850,000 8,205,000 6,383,000 11,013,000 11,402,000 2,838,000 9,639,000 14,780,000 7,588,000  6,558,000 27,151,000 10,606,000                     
          payments for cost method investments
        		                       -20,000,000                                 
          decrease in time deposits
        		                            0 0 0 418,000                         
          acquisition of businesses, contingent consideration
        		                        0 0                               
          accounts receivable
        		                         3,829,000 -35,762,000 -8,820,000 -14,747,000 -1,207,000 -27,526,000 12,475,000 -34,349,000 -19,766,000 -29,265,000 24,635,000 -15,811,000 -9,335,000 -22,459,000 16,993,000 -44,119,000 9,634,000 -28,471,000 15,262,000 -12,284,000 -10,954,000 -12,080,000 4,908,000 -6,213,000 -4,526,000 -8,227,000 1,664,000 -6,581,000 720,000 -13,171,000 6,368,000 
          unbilled revenues
        		                         -6,330,000 8,773,000 -39,523,000 25,647,000 -6,210,000 12,859,000 -48,193,000 19,797,000 1,593,000 -4,648,000 -39,485,000 19,144,000 14,010,000 20,182,000 -18,559,000 11,034,000 -13,175,000 -3,674,000 -32,261,000 14,936,000 -1,816,000 -8,643,000 -15,611,000 21,540,000 -6,678,000 -6,098,000 -18,597,000 12,519,000 -7,183,000 4,910,000 -17,151,000 
          prepaid expenses and other assets
        		                         -1,453,000 1,289,000 401,000 -6,667,000 2,730,000 3,128,000 -7,623,000 -831,000 3,700,000 815,000 -79,000 -4,161,000 -824,000 1,577,000 -1,383,000 -603,000 7,964,000 -7,983,000 48,000 40,000 -475,000 61,000 939,000 -835,000 441,000 1,084,000 -103,000 -2,582,000 288,000 1,669,000 -714,000 
          due to employees
        		                         -846,000 -29,078,000 24,297,000 -2,474,000 2,658,000 -10,305,000 11,656,000 -4,006,000 1,390,000 -4,062,000 8,611,000 -2,786,000 1,450,000 -5,823,000 12,420,000 -1,543,000 693,000 378,000 3,224,000 332,000 494,000 1,916,000 4,711,000 -1,796,000 700,000 -1,310,000 3,191,000 -675,000 -1,411,000 -785,000 5,767,000 
          taxes payable
        		                         -3,898,000 -6,467,000 -16,045,000 19,636,000 -2,101,000 -3,743,000 3,848,000 72,938,000 -6,666,000 -2,927,000 7,135,000 2,880,000 3,231,000 -667,000 -3,173,000 17,771,000 -3,975,000 7,049,000 -11,873,000 11,833,000 3,237,000 5,502,000 -3,704,000 3,004,000 2,247,000 3,067,000 -5,244,000 6,856,000 1,166,000 -351,000 -2,173,000 
          excess tax benefit on stock-based compensation plans
        		                                    -495,000 -419,000 -2,310,000 -2,040,000 -5,245,000 -736,000 -1,946,000 -436,000 -1,225,000 -390,000 -1,166,000 -995,000  -1,674,000 -1,721,000 -1,529,000  1,334,000 141,000 160,000 
          changes in operating assets and liabilities:
        		                                                        
          decrease in operating assets:
        		                                                        
          increase in operating liabilities:
        		                                                        
          payments of withholding taxes related to net share settlements of restricted stockunits
        		                                                        
          acquisition of businesses, deferred consideration
        		                                                        
          employee housing loans issued
        		                             -50,000 -106,000 -108,000 -30,000 -106,000 -142,000 -370,000 -645,000 -420,000    -1,074,000 -653,000 -266,000             
          proceeds from repayments of employee housing loans
        		                             294,000 400,000 519,000 668,000 582,000 626,000 689,000 580,000 569,000 558,000 470,000 638,000 521,000 572,000 518,000 490,000 447,000 437,000 419,000 919,000 449,000       
          depreciation and amortization
        		                               8,176,000 7,696,000 7,174,000 7,020,000 6,672,000 6,237,000 5,925,000 6,123,000 5,102,000 4,899,000 4,393,000 3,903,000 4,200,000 2,833,000 5,510,000 5,451,000 3,689,000 3,743,000 3,906,000 3,854,000 3,617,000 3,208,000 3,040,000 2,423,000 2,211,000 
          impairment charges and acquisition related adjustments
        		                                                        
          payment for construction of corporate facilities
        		                                        -21,000 -1,159,000 -1,921,000 -1,591,000 -383,000 -1,259,000 -794,000 -1,488,000  -2,502,000 -198,000 -808,000 -285,000    
          restricted cash and time deposits
        		                                                        
          proceeds related to stock option exercises
        		                                                        
          effect of exchange rate changes on cash and cash equivalents
        		                                1,337,000 4,464,000 2,894,000 2,928,000 -3,890,000 144,000 -998,000 1,358,000 -2,827,000 -2,486,000 2,215,000 -2,650,000 -5,884,000 -3,559,000 1,265,000 -2,787,000  714,000 -341,000 -1,133,000  1,099,000 -1,149,000 1,095,000 
          net increase in cash and cash equivalents
        		                                70,092,000 68,992,000 45,082,000 36,394,000 31,398,000 49,903,000 35,847,000 45,428,000 -14,994,000 38,726,000 -16,646,000 -28,171,000 29,288,000 16,171,000 1,009,000 4,859,000 46,228,000 15,504,000 4,669,000 -15,306,000 12,227,000 955,000 -7,806,000 23,940,000 
          cash and cash equivalents, beginning of period
        		                                0 0 0 362,025,000 0 0 0 199,449,000 0 0 0 220,534,000 0 0 0 169,207,000  0 0 118,112,000  0 0 88,796,000 
          cash and cash equivalents, end of period
        		                                70,092,000 68,992,000 45,082,000 398,419,000 31,398,000 49,903,000 35,847,000 244,877,000 -14,994,000 38,726,000 -16,646,000 192,363,000 29,288,000 16,171,000 1,009,000 174,066,000  15,504,000 4,669,000 102,806,000  955,000 -7,806,000 112,736,000 
          deferred income taxes
        		                                 2,152,000                       
          decrease in restricted cash and time deposits
        		                                 -362,000 56,000 38,000 -406,000 10,000 -9,000 30,000,000     1,123,000 4,000 5,690,000 -5,387,000         
          acquisition of business, deferred consideration
        		                                     0 -1,797,000 -463,000 0 0 -27,473,000 -2,801,000             
          increase in other long-term assets
        		                                   -313,000 -1,667,000 -545,000 -1,341,000 -774,000 280,000 -177,000 -130,000 -681,000 -980,000 -153,000   -193,000 -3,000 -198,000 -122,000     
          proceeds from government grants
        		                                    0 0 0 135,000                 
          deferred revenues
        		                                     473,000 122,000 -55,000 -262,000 -148,000 -450,000 -9,000 553,000 -1,812,000 -520,000 265,000         
          proceeds from foreign currency derivatives
        		                                                        
          payments for foreign currency derivatives
        		                                     -50,000 50,000 -91,000                 
          proceeds related to stock options exercises
        		                                      9,470,000 3,108,000 3,068,000 3,652,000 10,100,000 3,855,000 3,763,000 1,395,000 3,274,000 2,139,000 1,517,000 2,430,000 2,843,000 2,510,000 2,456,000    
          employee housing loans
        		                                            -424,000 -517,000 -505,000 -294,000  -1,873,000 -2,338,000 -2,834,000     
          increase in restricted cash and time deposits
        		                                        3,000 8,000 4,000 -29,959,000             
          proceeds from borrowing under line of credit
        		                                        20,000,000                
          supplemental disclosures of cash paid:
        		                                                        
          income taxes
        		                                                        
          bank interest
        		                                                        
          impairment and acquisition related charges
        		                                                        
          non-cash stock charge
        		                                                    0 0 0 640,000 
          net proceeds from issuance of common stock in initial public offering
        		                                                    0 0 1,193,000 31,171,000 
          costs related to stock issue
        		                                                    1,000 0   
          decrease in other long-term assets
        		                                               -350,000         
          excess tax benefits on stock-based compensation plans
        		                                                    -1,662,000    
          goodwill impairment loss
        		                                                        
          change in operating assets and liabilities
        		                                                        
          payments for construction of corporate facilities
        		                                                        
          issuance of employee housing loans
        		                                                        
          decrease in restricted cash
        		                                                -1,250,000 970,000 532,000 177,000     
          proceeds related to line of credit
        		                                                        
          repayment related to line of credit
        		                                                        
          effect of exchange-rate changes on cash and cash equivalents
        		                                                        
          cash and cash equivalents, beginning of year-january 1
        		                                                        
          cash and cash equivalents, end of year
        		                                                        
          supplemental disclosures of cash flow information:
        		                                                        
          cash paid during the year for:
        		                                                        
          bad debt provision
        		                                                        
          deferred revenue
        		                                                 -752,000 -1,136,000 -1,923,000 2,620,000 -905,000 -857,000 -1,625,000 
          acquisitions of businesses, net of cash acquired
        		                                                 0       
          bad debt provision/
        		                                                  642,000 161,000     
          stock-based compensation
        		                                                  3,850,000 2,576,000 1,457,000 2,046,000 1,773,000 1,550,000 
          increase in operating assets and liabilities:
        		                                                        
          accrued expenses
        		                                                  -601,000 -12,094,000    -12,057,000 
          change in operating assets and liabilities:
        		                                                        
          decrease in:
        		                                                        
          purchase of treasury stock
        		                                                        
          proceeds from sale of treasury stock, net of costs
        		                                                        
          repurchase of series a-2 convertible redeemable preferred stock
        		                                                        
          proceeds from issue of series a-3 convertible preferred stock, net of costs
        		                                                        
          decrease in restricted cash and other long-term assets
        		                                                     -734,000 -83,000 177,000 
          bad debt (recovery) /expense
        		                                                        
          payment for construction of building in minsk
        		                                                      -2,660,000 -572,000 
          loss on asset disposals
        		                                                        
          non-cash write offs
        		                                                        
          increase in:
        		                                                        
          costs related to potential stock issue