7Baggers

ANSYS, Inc
(NASDAQ:ANSS) 

ANSS stock logo

ANSYS, Inc. develops and markets engineering simulation software and services worldwide. The company offers ANSYS Workbench, a framework upon which its engineering simulation technologies are built; multiphysics software to simulate the interactions between structures, heat transfer, fluids, and ele...

Founded: 1970
Full Time Employees: 5,600 (Dec 2022)
Sector: Technology
Industry: Software-Application

Share this website to your friends
• Market Cap:
• Exchange:
• Shs Outstanding:
• Employees:
• Beta:
• Return on Equity (ROE) ttm:
• Return on Assets (ROA) ttm:
• EPS ttm:
• Book value per Share:
• Cash per Share:
• Current ast per Share:
• P/E ttm:
• P/E forward:
• P/E ttm high:
• P/E ttm low:
• P/S ttm:
• P/B ttm:
• P/FCF ttm:
• PEG ratio:
• Cash Ratio ttm:
• Quick Ratio ttm:
• Current Ratio ttm:
• Gross Mgn ttm:
• EBITDA Mgn ttm:
• Operating Mgn ttm:
• Net Income Mgn ttm:
• Trailing Div yield:
• Forward Div yield:
• Payout Ratio ttm:
• Ex-Dividend date:
• Target Price High:
• Target Price Low:
• Target Price Mean:
• Number of Analysts:
• Debt Ratio ttm:
• Debt to Equity ttm:
• Total Net Debt:
At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2025-03-31 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 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-09-30 2004-06-30 2004-03-31 2003-09-30 2003-06-30 2003-03-31 
                                                                                         
      revenue:
                                                                                         
      software licenses
    159,955,000 543,415,000 276,948,000 283,232,000 160,321,000 502,277,000 162,422,000 204,897,000 219,152,000 413,646,000 208,906,000 208,981,000 157,445,000 397,977,000 200,394,000 214,822,000 132,604,000 382,057,000 141,622,000 169,341,000 87,830,000 268,943,000 137,144,000 170,499,000 123,044,000 226,421,000 109,103,000 131,147,000 110,046,000 176,596,000 156,580,000 149,880,000 141,908,000 161,506,000 139,530,000 141,087,000 126,051,000 149,450,000 140,197,000 140,489,000 124,969,000 157,619,000 139,965,000 140,489,000 126,429,000 147,767,000 129,185,000 133,117,000 118,875,000 141,937,000 123,027,000 123,352,000 113,554,000 128,101,000 104,477,000 97,436,000 95,867,000 105,060,000 82,643,000 81,744,000 81,586,000 95,613,000 76,395,000 73,136,000 70,489,000 90,377,000 80,226,000 73,915,000 73,636,000 75,564,000 61,099,000 59,412,000 57,212,000 42,213,000 34,763,000 26,752,000 20,978,000 19,794,000 20,475,000 16,585,000 16,353,000 16,324,000 14,053,000 13,962,000 12,442,000 
      maintenance and service
    344,936,000 338,759,000 324,944,000 310,906,000 306,284,000 302,831,000 296,373,000 291,702,000 290,295,000 280,469,000 263,605,000 264,869,000 267,632,000 257,690,000 240,774,000 231,832,000 230,622,000 241,629,000 225,343,000 216,320,000 217,155,000 217,285,000 206,755,000 198,136,000 194,086,000 189,011,000 180,315,000 174,766,000 172,827,000 125,740,000 119,005,000 114,044,000 111,497,000 109,122,000 106,332,000 104,982,000 99,855,000 102,197,000 97,643,000 94,996,000 92,812,000 96,756,000 94,035,000 91,886,000 88,842,000 88,253,000 83,473,000 81,733,000 78,857,000 78,811,000 73,882,000 71,664,000 71,791,000 70,108,000 68,458,000 64,822,000 62,180,000 61,513,000 57,200,000 56,023,000 54,467,000 54,749,000 51,792,000 48,890,000 45,821,000 44,924,000 42,021,000 37,331,000 35,909,000 35,672,000 32,935,000 32,799,000 30,647,000 27,904,000 27,501,000 19,259,000 18,057,000 17,862,000 17,149,000 15,733,000 15,649,000 15,008,000 13,985,000 13,681,000 12,158,000 
      total revenue
    504,891,000 882,174,000 601,892,000 594,138,000 466,605,000 805,108,000 458,795,000 496,599,000 509,447,000 694,115,000 472,511,000 473,850,000 425,077,000 655,667,000 441,168,000 446,654,000 363,226,000 623,686,000 366,965,000 385,661,000 304,985,000 486,228,000 343,899,000 368,635,000 317,130,000 415,432,000 289,418,000 305,913,000 282,873,000 302,336,000 275,585,000 263,924,000 253,405,000 270,628,000 245,862,000 246,069,000 225,906,000 251,647,000 237,840,000 235,485,000 217,781,000 254,375,000 234,000,000 232,375,000 215,271,000 236,020,000 212,658,000 214,850,000 197,732,000 220,748,000 196,909,000 195,016,000 185,345,000 198,209,000 172,935,000 162,258,000 158,047,000 166,573,000 139,843,000 137,767,000 136,053,000 150,362,000 128,187,000 122,026,000 116,310,000 135,301,000 122,247,000 111,246,000 109,545,000 111,236,000 94,034,000 92,211,000 87,859,000 70,117,000 62,264,000 46,011,000 39,035,000 37,656,000 37,624,000 32,318,000 32,002,000 31,332,000 28,038,000 27,643,000 24,600,000 
      yoy
    8.21% 9.57% 31.19% 19.64% -8.41% 15.99% -2.90% 4.80% 19.85% 5.86% 7.10% 6.09% 17.03% 5.13% 20.22% 15.82% 19.10% 28.27% 6.71% 4.62% -3.83% 17.04% 18.82% 20.50% 12.11% 37.41% 5.02% 15.91% 11.63% 11.72% 12.09% 7.26% 12.17% 7.54% 3.37% 4.49% 3.73% -1.07% 1.64% 1.34% 1.17% 7.78% 10.04% 8.16% 8.87% 6.92% 8.00% 10.17% 6.68% 11.37% 13.86% 20.19% 17.27% 18.99% 23.66% 17.78% 16.17% 10.78% 9.09% 12.90% 16.97% 11.13% 4.86% 9.69% 6.18% 21.63% 30.00% 20.64% 24.68% 58.64% 51.02% 100.41% 125.08% 86.20% 65.49% 42.37% 21.98% 20.18% 34.19% 16.91% 30.09%     
      qoq
    -42.77% 46.57% 1.31% 27.33% -42.04% 75.48% -7.61% -2.52% -26.60% 46.90% -0.28% 11.47% -35.17% 48.62% -1.23% 22.97% -41.76% 69.96% -4.85% 26.45% -37.28% 41.39% -6.71% 16.24% -23.66% 43.54% -5.39% 8.14% -6.44% 9.71% 4.42% 4.15% -6.36% 10.07% -0.08% 8.93% -10.23% 5.81% 1.00% 8.13% -14.39% 8.71% 0.70% 7.95% -8.79% 10.99% -1.02% 8.66% -10.43% 12.11% 0.97% 5.22% -6.49% 14.61% 6.58% 2.66% -5.12% 19.11% 1.51% 1.26% -9.52% 17.30% 5.05% 4.91% -14.04% 10.68% 9.89% 1.55% -1.52% 18.29% 1.98% 4.95% 25.30% 12.61% 35.32% 17.87% 3.66% 0.09% 16.42% 0.99% 2.14% 11.75% 1.43% 12.37%  
      cost of sales:
                                                                                         
      amortization
    23,429,000 21,801,000 21,890,000 22,385,000 22,484,000 20,586,000 20,707,000 20,079,000 19,618,000 17,425,000 17,281,000 17,414,000 17,252,000 15,599,000 15,189,000 15,025,000 14,949,000 11,415,000 9,911,000 9,764,000 9,552,000 7,646,000 4,762,000 4,755,000 4,547,000 3,631,000 5,530,000 9,087,000 8,786,000 9,902,000 9,004,000 8,952,000 8,936,000 9,548,000 9,513,000 9,520,000 9,511,000 9,837,000 9,818,000 9,743,000 9,357,000 9,455,000 9,477,000 9,406,000 9,315,000 9,225,000 9,215,000 9,984,000 9,874,000 10,306,000 10,244,000 10,125,000 10,214,000 9,735,000 8,993,000 7,502,000 7,498,000 8,185,000 8,180,000 3,875,000 8,214,000 9,009,000 9,005,000 4,021,000 8,996,000 9,731,000 8,120,000 2,181,000 2,170,000 2,288,000 2,239,000 2,213,000 2,195,000 2,314,000 1,576,000 128,000 298,000 385,000 326,000 285,000 285,000 287,000 276,000 1,181,000 748,000 
      total cost of sales
    72,569,000 72,688,000 69,109,000 69,355,000 68,667,000 70,049,000 65,257,000 68,340,000 67,652,000 61,427,000 61,967,000 62,487,000 64,760,000 68,977,000 62,746,000 64,158,000 62,103,000 67,903,000 53,385,000 53,860,000 50,116,000 49,596,000 41,365,000 40,497,000 34,815,000 40,089,000 36,308,000 40,450,000 39,038,000 40,812,000 35,983,000 36,338,000 37,031,000 38,978,000 35,586,000 37,011,000 35,285,000 36,992,000 36,581,000 37,785,000 35,888,000 39,769,000 37,194,000 38,678,000 37,745,000 38,609,000 35,169,000 36,680,000 36,234,000 36,681,000 33,756,000 34,737,000 34,342,000 33,342,000 31,027,000 28,063,000 26,582,000 26,807,000 25,279,000 24,140,000 24,653,000 25,661,000 23,889,000 24,058,000 23,628,000 25,390,000 24,587,000 20,530,000 20,907,000 20,845,000 19,391,000 18,931,000 18,880,000 17,320,000 13,453,000 6,868,000 6,033,000 5,837,000 6,018,000 5,441,000 4,978,000 5,175,000 5,296,000 5,157,000 4,073,000 
      gross profit
    432,322,000 809,486,000 532,783,000 524,783,000 397,938,000 735,059,000 393,538,000 428,259,000 441,795,000 632,688,000 410,544,000 411,363,000 360,317,000 586,690,000 378,422,000 382,496,000 301,123,000 555,783,000 313,580,000 331,801,000 254,869,000 436,632,000 302,534,000 328,138,000 282,315,000 375,343,000 253,110,000 265,463,000 243,835,000 261,524,000 239,602,000 227,586,000 216,374,000 231,650,000 210,276,000 209,058,000 190,621,000 214,655,000 201,259,000 197,700,000 181,893,000 214,606,000 196,806,000 193,697,000 177,526,000 197,411,000 177,489,000 178,170,000 161,498,000 184,067,000 163,153,000 160,279,000 151,003,000 164,867,000 141,908,000 134,195,000 131,465,000 139,766,000 114,564,000 113,627,000 111,400,000 124,701,000 104,298,000 97,968,000 92,682,000 109,911,000 97,660,000 90,716,000 88,638,000 90,391,000 74,643,000 73,280,000 68,979,000 52,797,000 48,811,000 39,143,000 33,002,000 31,819,000 31,606,000 26,877,000 27,024,000 26,157,000 22,742,000 22,486,000 20,527,000 
      yoy
    8.64% 10.13% 35.38% 22.54% -9.93% 16.18% -4.14% 4.11% 22.61% 7.84% 8.49% 7.55% 19.66% 5.56% 20.68% 15.28% 18.15% 27.29% 3.65% 1.12% -9.72% 16.33% 19.53% 23.61% 15.78% 43.52% 5.64% 16.64% 12.69% 12.90% 13.95% 8.86% 13.51% 7.92% 4.48% 5.75% 4.80% 0.02% 2.26% 2.07% 2.46% 8.71% 10.88% 8.71% 9.92% 7.25% 8.79% 11.16% 6.95% 11.65% 14.97% 19.44% 14.86% 17.96% 23.87% 18.10% 18.01% 12.08% 9.84% 15.98% 20.20% 13.46% 6.80% 7.99% 4.56% 21.60% 30.84% 23.79% 28.50% 71.20% 52.92% 87.21% 109.01% 65.93% 54.44% 45.64% 22.12% 21.65% 38.98% 19.53% 31.65%     
      qoq
    -46.59% 51.94% 1.52% 31.88% -45.86% 86.78% -8.11% -3.06% -30.17% 54.11% -0.20% 14.17% -38.58% 55.04% -1.07% 27.02% -45.82% 77.24% -5.49% 30.18% -41.63% 44.32% -7.80% 16.23% -24.78% 48.29% -4.65% 8.87% -6.76% 9.15% 5.28% 5.18% -6.59% 10.16% 0.58% 9.67% -11.20% 6.66% 1.80% 8.69% -15.24% 9.04% 1.61% 9.11% -10.07% 11.22% -0.38% 10.32% -12.26% 12.82% 1.79% 6.14% -8.41% 16.18% 5.75% 2.08% -5.94% 22.00% 0.82% 2.00% -10.67% 19.56% 6.46% 5.70% -15.68% 12.54% 7.65% 2.34% -1.94% 21.10% 1.86% 6.24% 30.65% 8.17% 24.70% 18.61% 3.72% 0.67% 17.59% -0.54% 3.31% 15.02% 1.14% 9.54%  
      gross margin %
    85.63% 91.76% 88.52% 88.33% 85.28% 91.30% 85.78% 86.24% 86.72% 91.15% 86.89% 86.81% 84.77% 89.48% 85.78% 85.64% 82.90% 89.11% 85.45% 86.03% 83.57% 89.80% 87.97% 89.01% 89.02% 90.35% 87.45% 86.78% 86.20% 86.50% 86.94% 86.23% 85.39% 85.60% 85.53% 84.96% 84.38% 85.30% 84.62% 83.95% 83.52% 84.37% 84.11% 83.36% 82.47% 83.64% 83.46% 82.93% 81.68% 83.38% 82.86% 82.19% 81.47% 83.18% 82.06% 82.70% 83.18% 83.91% 81.92% 82.48% 81.88% 82.93% 81.36% 80.28% 79.69% 81.23% 79.89% 81.55% 80.91% 81.26% 79.38% 79.47% 78.51% 75.30% 78.39% 85.07% 84.54% 84.50% 84.00% 83.16% 84.44% 83.48% 81.11% 81.34% 83.44% 
      operating expenses:
                                                                                         
      selling, general and administrative
    230,415,000 314,009,000 233,065,000 228,623,000 219,643,000 269,857,000 194,552,000 202,142,000 188,584,000 257,450,000 175,283,000 170,383,000 169,755,000 243,384,000 165,368,000 160,410,000 146,215,000 195,845,000 132,642,000 128,698,000 130,522,000 167,937,000 120,682,000 120,412,000 112,169,000 133,137,000 97,576,000 95,058,000 87,809,000 108,157,000 80,015,000 77,051,000 73,417,000 85,950,000 61,537,000 64,259,000 57,769,000 71,963,000 61,367,000 63,524,000 56,749,000 72,374,000 58,172,000 62,280,000 53,550,000 62,287,000 51,345,000 55,262,000 50,013,000 61,754,000 49,195,000 48,980,000 45,249,000 56,571,000 43,180,000 40,130,000 40,476,000 46,935,000 36,954,000 35,979,000 35,228,000 39,150,000 31,719,000 32,570,000 33,825,000 41,954,000 36,071,000 28,153,000 28,709,000 34,526,000 26,596,000 27,095,000 26,891,000 24,333,000 22,020,000           
      research and development
    137,292,000 134,259,000 132,320,000 132,624,000 128,811,000 126,288,000 123,223,000 125,023,000 120,335,000 111,390,000 108,056,000 108,941,000 105,274,000 101,489,000 102,023,000 100,879,000 100,479,000 96,510,000 86,616,000 86,133,000 86,112,000 79,152,000 73,018,000 75,302,000 70,738,000 58,896,000 59,019,000 58,357,000 57,530,000 49,222,000 50,144,000 49,002,000 54,378,000 45,560,000 45,418,000 47,443,000 44,672,000 41,392,000 44,784,000 42,646,000 40,009,000 42,170,000 41,033,000 42,098,000 40,120,000 37,880,000 38,882,000 38,670,000 36,007,000 34,206,000 33,506,000 33,415,000 31,501,000 29,751,000 28,899,000 25,182,000 24,698,000 23,317,000 21,696,000 21,390,000 22,587,000 20,455,000 19,462,000 19,909,000 20,030,000 18,826,000 20,282,000 16,528,000 15,958,000 15,635,000 14,198,000 13,576,000 13,072,000 13,295,000 11,622,000 9,357,000 7,667,000 7,506,000 7,313,000 6,611,000 6,483,000 6,347,000 5,879,000 6,074,000 5,656,000 
      total operating expenses
    373,429,000 453,891,000 371,245,000 367,367,000 354,599,000 402,059,000 323,722,000 332,635,000 314,100,000 372,587,000 287,160,000 283,353,000 279,154,000 347,842,000 270,794,000 265,723,000 251,101,000 296,392,000 223,495,000 218,994,000 220,796,000 250,916,000 197,487,000 199,510,000 186,666,000 195,407,000 160,086,000 156,910,000 148,774,000 160,845,000 133,419,000 129,192,000 130,902,000 134,684,000 110,177,000 114,903,000 105,599,000 117,712,000 111,076,000 111,205,000 101,835,000 120,558,000 105,998,000 110,165,000 98,464,000 105,159,000 95,852,000 99,745,000 91,949,000 102,428,000 89,501,000 89,145,000 83,175,000 91,724,000 76,579,000 69,382,000 69,191,000 74,381,000 62,687,000 61,244,000 61,777,000 64,345,000 56,666,000 57,308,000 57,853,000 64,131,000 59,364,000 46,862,000 46,837,000 52,449,000 43,033,000 42,884,000 42,158,000 39,942,000 63,318,000 21,324,000 18,673,000 18,491,000 18,185,000 16,416,000 16,346,000 16,187,000 14,823,000 16,483,000 14,560,000 
      operating income
    58,893,000 355,595,000 161,538,000 157,416,000 43,339,000 333,000,000 69,816,000 95,624,000 127,695,000 260,101,000 123,384,000 128,010,000 81,163,000 238,848,000 107,628,000 116,773,000 50,022,000 259,391,000 90,085,000 112,807,000 34,073,000 185,716,000 105,047,000 128,628,000 95,649,000 179,936,000 93,024,000 108,553,000 95,061,000 100,679,000 106,183,000 98,394,000 85,472,000 96,966,000 100,099,000 94,155,000 85,022,000 96,943,000 90,183,000 86,495,000 80,058,000 94,048,000 90,808,000 83,532,000 79,062,000 92,252,000 81,637,000 78,425,000 69,549,000 81,639,000 73,652,000 71,134,000 67,828,000 73,143,000 65,329,000 64,813,000 62,274,000 65,385,000 51,877,000 52,383,000 49,623,000 60,356,000 47,632,000 40,660,000 34,829,000 45,780,000 38,296,000 43,854,000 41,801,000 37,942,000 31,610,000 30,396,000 26,821,000 12,855,000 -14,507,000 17,819,000 14,329,000 13,328,000 13,421,000 10,461,000 10,678,000 9,970,000 7,919,000 6,003,000 5,967,000 
      yoy
    35.89% 6.79% 131.38% 64.62% -66.06% 28.03% -43.42% -25.30% 57.33% 8.90% 14.64% 9.62% 62.25% -7.92% 19.47% 3.52% 46.81% 39.67% -14.24% -12.30% -64.38% 3.21% 12.92% 18.49% 0.62% 78.72% -12.39% 10.32% 11.22% 3.83% 6.08% 4.50% 0.53% 0.02% 11.00% 8.86% 6.20% 3.08% -0.69% 3.55% 1.26% 1.95% 11.23% 6.51% 13.68% 13.00% 10.84% 10.25% 2.54% 11.62% 12.74% 9.75% 8.92% 11.87% 25.93% 23.73% 25.49% 8.33% 8.91% 28.83% 42.48% 31.84% 24.38% -7.28% -16.68% 20.66% 21.15% 44.28% 55.85% 195.15% -317.89% 70.58% 87.18% -3.55% -208.09% 70.34% 34.19% 33.68% 69.48% 74.26% 78.95%     
      qoq
    -83.44% 120.13% 2.62% 263.22% -86.99% 376.97% -26.99% -25.12% -50.91% 110.81% -3.61% 57.72% -66.02% 121.92% -7.83% 133.44% -80.72% 187.94% -20.14% 231.07% -81.65% 76.79% -18.33% 34.48% -46.84% 93.43% -14.31% 14.19% -5.58% -5.18% 7.92% 15.12% -11.85% -3.13% 6.31% 10.74% -12.30% 7.50% 4.26% 8.04% -14.88% 3.57% 8.71% 5.65% -14.30% 13.00% 4.10% 12.76% -14.81% 10.84% 3.54% 4.87% -7.27% 11.96% 0.80% 4.08% -4.76% 26.04% -0.97% 5.56% -17.78% 26.71% 17.15% 16.74% -23.92% 19.54% -12.67% 4.91% 10.17% 20.03% 3.99% 13.33% 108.64% -188.61% -181.41% 24.36% 7.51% -0.69% 28.30% -2.03% 7.10% 25.90% 31.92% 0.60%  
      operating margin %
    11.66% 40.31% 26.84% 26.49% 9.29% 41.36% 15.22% 19.26% 25.07% 37.47% 26.11% 27.01% 19.09% 36.43% 24.40% 26.14% 13.77% 41.59% 24.55% 29.25% 11.17% 38.20% 30.55% 34.89% 30.16% 43.31% 32.14% 35.48% 33.61% 33.30% 38.53% 37.28% 33.73% 35.83% 40.71% 38.26% 37.64% 38.52% 37.92% 36.73% 36.76% 36.97% 38.81% 35.95% 36.73% 39.09% 38.39% 36.50% 35.17% 36.98% 37.40% 36.48% 36.60% 36.90% 37.78% 39.94% 39.40% 39.25% 37.10% 38.02% 36.47% 40.14% 37.16% 33.32% 29.94% 33.84% 31.33% 39.42% 38.16% 34.11% 33.62% 32.96% 30.53% 18.33% -23.30% 38.73% 36.71% 35.39% 35.67% 32.37% 33.37% 31.82% 28.24% 21.72% 24.26% 
      interest income
    16,743,000 14,636,000 13,292,000 12,208,000 10,995,000 7,199,000 4,909,000 3,402,000 4,078,000 3,576,000 1,345,000 269,000 527,000 534,000 541,000 486,000 517,000 610,000 754,000 934,000 2,775,000 3,186,000 3,188,000 2,980,000 3,442,000 3,745,000 3,213,000 2,176,000 2,285,000 2,135,000 1,910,000 1,668,000 1,249,000 1,099,000 1,083,000 1,077,000 950,000 704,000 674,000 795,000 656,000 796,000 655,000 710,000 841,000 710,000 656,000 743,000 732,000 798,000 774,000 887,000 901,000 804,000 789,000 712,000 695,000 630,000 491,000 422,000 368,000 386,000 425,000 360,000 569,000 1,095,000 1,672,000 1,212,000 1,596,000 1,668,000 1,273,000 1,113,000 -1,121,000 -2,055,000 -919,000           
      interest expense
    -10,177,000 -10,924,000 -12,318,000 -12,238,000 -12,369,000 -12,551,000 -12,276,000 -11,560,000 -10,758,000 -9,058,000 -6,092,000 -4,609,000 -2,967,000 -2,811,000 -2,943,000 -3,336,000 -3,315,000 -2,444,000 -1,853,000 -3,040,000 -3,651,000             -46,000 -30,000 -59,000 -86,000 46,000 -95,000 -122,000 -154,000 -201,000 -149,000 -181,000 -248,000 -202,000 -226,000 -370,000 -371,000 -488,000 -632,000 -723,000 -818,000 -1,002,000 -753,000 -774,000 -803,000 -792,000 -902,000 -1,245,000 -1,549,000 -1,870,000 -2,313,000 -2,941,000 -3,277,000 -3,993,000 -3,122,000 -1,242,000 -985,000 -1,273,000 -1,600,000 -1,966,000              
      other income
    -930,000 -14,000 -1,257,000 -854,000 -1,007,000 -2,876,000 96,000 -3,483,000 -177,000 1,792,000 -656,000 -776,000 -694,000 -1,598,000 -1,328,000 14,937,000 399,000 315,000 1,158,000 1,884,000 127,000 -294,000 594,000 -1,667,000 -425,000 1,381,000 -974,000 -1,007,000 -308,000 -484,000 -168,000 -190,000 -1,154,000 47,000 -159,000 305,000 -108,000 107,000 -383,000 91,000 767,000 -762,000 -395,000 -179,000 -198,000 -195,000 -357,000 -173,000 -321,000 -395,000 -355,000 -39,000 -616,000 175,000 78,000 -108,000 -514,000 645,000 -574,000 139,000 -507,000 -36,000 54,000 -817,000 -488,000 446,000 -273,000 -378,000 932,000 135,000 -337,000 -482,000 84,000 412,000 -263,000 1,698,000 1,141,000 1,046,000 613,000 415,000 146,000 230,000 -808,000 772,000 534,000 
      income before income tax provision
    64,529,000 359,293,000 161,255,000 156,532,000 40,958,000 324,772,000 62,545,000 83,983,000 120,838,000 256,411,000 117,981,000 122,894,000  234,973,000 103,898,000 128,860,000  257,872,000 90,144,000 112,585,000 33,324,000 185,147,000 108,829,000 129,941,000 98,666,000 185,062,000 95,263,000 109,722,000 97,038,000 102,330,000 107,925,000 99,872,000 85,567,000 98,066,000 100,993,000 95,478,000 85,778,000 97,800,000 90,379,000 87,259,000 81,327,000 93,881,000 90,919,000 83,882,000 79,457,000 92,565,000 81,710,000 78,625,000 69,589,000 81,554,000 73,439,000 71,259,000 67,295,000 73,120,000 65,443,000 64,643,000 61,652,000 65,868,000 50,892,000 51,699,000 47,935,000 58,836,000 45,798,000 37,262,000 31,633,000 43,328,000 36,573,000 43,446,000 43,344,000 38,472,000 30,946,000 29,061,000 25,784,000 11,212,000 -15,689,000 19,517,000 15,470,000 14,374,000 14,034,000 10,876,000 10,824,000 10,200,000 7,111,000 6,775,000 6,501,000 
      income tax provision
    12,664,000 76,605,000 33,063,000 26,498,000 6,180,000 50,010,000 7,043,000 14,457,000 20,216,000 -1,536,000 22,006,000 24,094,000  31,802,000 18,556,000 35,144,000  42,240,000 14,517,000 16,021,000  19,295,000 19,366,000 20,191,000 12,436,000 31,899,000 5,927,000 17,126,000 12,758,000 49,745,000 34,295,000 30,142,000 22,261,000 28,083,000 31,436,000 25,850,000 29,310,000 29,779,000 24,346,000 24,924,000 25,195,000 24,248,000 25,440,000 20,846,000 22,915,000 16,636,000 19,280,000 22,680,000 18,566,000 25,491,000 21,820,000 20,997,000 21,756,000 25,663,000 19,897,000 19,212,000 19,411,000 16,728,000 14,762,000 16,206,000 15,566,000 21,206,000 15,269,000 10,125,000 10,538,000 11,415,000 10,798,000 15,317,000 17,490,000 9,183,000 12,250,000 10,805,000 9,633,000 2,840,000 3,704,000 6,604,000 4,296,000 4,599,000 4,351,000 3,277,000 3,247,000 3,060,000 1,750,000 2,303,000 2,222,000 
      net income
    51,865,000 282,688,000 128,192,000 130,034,000 34,778,000 274,762,000 55,502,000 69,526,000 100,622,000 257,947,000 95,975,000 98,800,000 70,988,000 203,171,000 85,342,000 93,716,000 72,398,000 215,632,000 75,627,000 96,564,000 46,064,000 165,852,000 89,463,000 109,750,000 86,230,000 153,163,000 89,336,000 92,596,000 84,280,000 52,585,000 73,630,000 69,730,000 63,306,000 69,983,000 69,557,000 69,628,000 56,468,000 68,021,000 66,033,000 62,335,000 56,132,000 69,633,000 65,479,000 63,036,000 56,542,000 75,929,000 62,430,000 55,945,000 51,023,000 56,063,000 51,619,000 50,262,000 45,539,000 47,457,000 45,546,000 45,431,000 42,241,000 49,140,000 36,130,000 35,493,000 32,369,000 37,630,000 30,529,000 27,137,000 21,095,000 31,913,000 25,775,000 28,129,000 25,854,000 29,289,000 18,696,000 18,256,000 16,151,000 8,372,000 -19,393,000 12,913,000 11,174,000 9,775,000 9,683,000 7,599,000 7,577,000 7,140,000 5,361,000 4,472,000 4,279,000 
      yoy
    49.13% 2.88% 130.97% 87.03% -65.44% 6.52% -42.17% -29.63% 41.75% 26.96% 12.46% 5.42% -1.95% -5.78% 12.85% -2.95% 57.17% 30.01% -15.47% -12.01% -46.58% 8.28% 0.14% 18.53% 2.31% 191.27% 21.33% 32.79% 33.13% -24.86% 5.86% 0.15% 12.11% 2.88% 5.34% 11.70% 0.60% -2.31% 0.85% -1.11% -0.73% -8.29% 4.88% 12.67% 10.82% 35.44% 20.94% 11.31% 12.04% 18.13% 13.33% 10.63% 7.81% -3.42% 26.06% 28.00% 30.50% 30.59% 18.35% 30.79% 53.44% 17.91% 18.44% -3.53% -18.41% 8.96% 37.86% 54.08% 60.08% 249.84% -196.41% 41.38% 44.54% -14.35% -300.28% 69.93% 47.47% 36.90% 80.62% 69.92% 77.07%     
      qoq
    -81.65% 120.52% -1.42% 273.90% -87.34% 395.05% -20.17% -30.90% -60.99% 168.76% -2.86% 39.18% -65.06% 138.07% -8.94% 29.45% -66.43% 185.13% -21.68% 109.63% -72.23% 85.39% -18.48% 27.28% -43.70% 71.45% -3.52% 9.87% 60.27% -28.58% 5.59% 10.15% -9.54% 0.61% -0.10% 23.31% -16.98% 3.01% 5.93% 11.05% -19.39% 6.34% 3.88% 11.49% -25.53% 21.62% 11.59% 9.65% -8.99% 8.61% 2.70% 10.37% -4.04% 4.20% 0.25% 7.55% -14.04% 36.01% 1.79% 9.65% -13.98% 23.26% 12.50% 28.64% -33.90% 23.81% -8.37% 8.80% -11.73% 56.66% 2.41% 13.03% 92.92% -143.17% -250.18% 15.56% 14.31% 0.95% 27.42% 0.29% 6.12% 33.18% 19.88% 4.51%  
      net income margin %
    10.27% 32.04% 21.30% 21.89% 7.45% 34.13% 12.10% 14.00% 19.75% 37.16% 20.31% 20.85% 16.70% 30.99% 19.34% 20.98% 19.93% 34.57% 20.61% 25.04% 15.10% 34.11% 26.01% 29.77% 27.19% 36.87% 30.87% 30.27% 29.79% 17.39% 26.72% 26.42% 24.98% 25.86% 28.29% 28.30% 25.00% 27.03% 27.76% 26.47% 25.77% 27.37% 27.98% 27.13% 26.27% 32.17% 29.36% 26.04% 25.80% 25.40% 26.21% 25.77% 24.57% 23.94% 26.34% 28.00% 26.73% 29.50% 25.84% 25.76% 23.79% 25.03% 23.82% 22.24% 18.14% 23.59% 21.08% 25.29% 23.60% 26.33% 19.88% 19.80% 18.38% 11.94% -31.15% 28.07% 28.63% 25.96% 25.74% 23.51% 23.68% 22.79% 19.12% 16.18% 17.39% 
      earnings per share – basic:
                                                                                         
      earnings per share
    0.59 3.23 1.47 1.49 0.4 3.16 0.64 0.8 1.16 2.97 1.1 1.14 0.81 2.33 0.98 1.08 0.83 2.5 0.88 1.13 0.54 1.96 1.06 1.31 1.03 1.82 1.06 1.1 0.62 0.87 0.82 0.74 0.82 0.8                                                   
      weighted-average shares
    87,653 87,313 87,399 87,332 87,067 86,833 86,817 86,696 86,930 87,051 87,063 87,001 87,122 87,100 87,239 87,168 86,808 85,840 85,798 85,651 85,798 84,259 84,109 83,978 83,764 83,973 84,158 84,105 83,931 84,988 84,774 85,167 85,456 87,227 86,959                                                   
      earnings per share – diluted:
                                                                                         
      income before income tax benefit
                78,029,000    47,623,000                                                                     
      income tax benefit
                7,041,000    -24,775,000    -12,740,000                                                                 
      basic earnings per share
                                       0.79 0.64 0.77 0.74 0.69 0.62 0.76 0.71 0.68 0.61 0.82 0.67 0.6 0.55 0.61 0.56 0.54 0.49 0.51 0.49 0.49 0.46 0.54 0.4 0.39 0.36 0.43 0.35 0.31 0.24 0.36 0.3 0.36 0.33 0.38 0.24 0.24 0.42 0.22 -0.53 0.4 0.35 0.31 0.31 0.24 0.49 0.47 0.36 0.3 0.29 
      weighted-average shares – basic
                                       87,638 88,114 89,561 89,694 89,866 90,059 92,067 91,875 92,314 92,483 92,691 92,541 92,860 92,908 92,622 92,448 92,626 92,817  92,277 91,940 91,767  90,880 90,614 89,964  88,284 87,726 88,866  85,687 78,503 78,302 77,792 77,981 77,611 38,683 38,402 36,306  31,851  31,492 31,075 15,400   14,859 14,627 
      diluted earnings per share
                                       0.78 0.63 0.75 0.72 0.68 0.61 0.74 0.7 0.67 0.6 0.8 0.66 0.59 0.54 0.59 0.54 0.53 0.48 0.5 0.48 0.48 0.45 0.52 0.39 0.38 0.35 0.41 0.33 0.3 0.23 0.35 0.29 0.34 0.32 0.36 0.23 0.23 0.4 0.21 -0.53 0.38 0.33 0.29 0.29 0.23 0.46 0.43 0.33 0.29 0.27 
      weighted-average shares – diluted
                                       89,305 90,084 91,502 91,593 91,726 92,140 94,194 93,905 94,338 94,949 95,139 95,265 95,040 95,166 94,954 94,755 94,928 95,190  94,445 94,188 94,171  93,212 93,146 92,774  91,640 91,048 92,175  90,117 82,083 81,643 81,135 81,196 80,886 40,367 40,290 36,306    33,766  32,966   15,904 15,584 
      restructuring charges
                                                                 324,000 172,000 498,000                      
      amortization of software and acquired technology
                                                               8,178,000    9,001,000    4,768,000 5,184,000 5,413,000 5,395,000 5,382,000 5,342,000 5,138,000 3,739,000 908,000 877,000 881,000 907,000 758,000 754,000 755,000 871,000   
      earnings per share – basic – adjusted for 2-for-1 stock split – note 2:
                                                                                         
      earnings per share – diluted – adjusted for 2-for-1 stock split – note 2:
                                                                                         
      in-process research and development
                                                                              28,100,000           
      earnings per share – basic – adjusted for 2 for 1 stock split – note 2:
                                                                                         
      earnings per share – diluted – adjusted for 2 for 1 stock split – note 2:
                                                                                         
      earnings per share - basic:
                                                                                         
      earnings per share - diluted:
                                                                                         
      selling and marketing
                                                                               7,159,000 6,432,000 6,143,000 6,428,000 5,757,000 6,032,000 6,054,000 5,646,000 6,096,000 5,512,000 
      general and administrative
                                                                               4,680,000 4,276,000 4,457,000 4,118,000 3,763,000 3,546,000 3,499,000 3,022,000 3,132,000 2,644,000 
      weighted-average shares - basic
                                                                               32,122  31,667   30,800 15,315 15,106   
      weighted-average shares - diluted
                                                                               34,165 33,922 33,782  33,231 16,483 16,461 16,236   
      earnings per share – basic – note 2:
                                                                                         
      earnings per share – diluted – note 2:
                                                                                         
      pro forma earnings per share (split adjusted) – basic
                                                                                         
      pro forma earnings per share (split adjusted) – diluted
                                                                                         
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-03-31 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 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-09-30 2004-06-30 2004-03-31 2003-09-30 2003-06-30 2003-03-31 2003-03-12 
                                                                                            
        assets
                                                                                            
        current assets:
                                                                                            
        cash and cash equivalents
      1,758,155,000 1,446,743,000 1,246,057,000 1,098,958,000 1,050,509,000 860,201,000 639,342,000 477,875,000 507,689,000 614,391,000 632,509,000 517,303,000 657,421,000 667,667,000 1,080,838,000 957,704,000 987,427,000 912,672,000 844,741,000 744,546,000 717,748,000 872,094,000 732,684,000 631,455,000 607,391,000 777,139,000 729,180,000 695,894,000 885,493,000 881,501,000 919,571,000 857,996,000 866,188,000 822,479,000 837,916,000 843,355,000 863,435,000 784,168,000 776,239,000 840,354,000 760,394,000 788,064,000 816,805,000 782,915,000 857,684,000 742,486,000 707,334,000 659,403,000 650,993,000 576,703,000 554,887,000 551,484,000 557,846,000 471,828,000 406,298,000 629,712,000 549,934,000 472,479,000 494,716,000 415,488,000 389,240,000 335,878,000 293,338,000 251,703,000 229,269,000 228,176,000 209,532,000 195,405,000 200,903,000 167,224,000 150,651,000 137,784,000 117,374,000 101,618,000 102,648,000 197,159,000 164,430,000 153,324,000 69,906,000 114,280,000 89,267,000 91,295,000 67,281,000 47,852,000 36,849,000  
        short-term investments
      70,404,000 50,774,000 49,212,000 20,314,000 20,100,000 189,000 171,000 137,000 165,000 183,000 194,000 332,000 344,000 361,000 527,000 504,000 516,000 479,000 468,000 433,000 282,000 288,000 218,000 241,000 237,000 225,000 211,000 269,000 4,275,000 286,000 7,064,000 5,486,000 368,000 381,000 356,000 410,000 442,000 446,000 684,000 816,000 789,000 714,000 665,000 644,000 559,000 500,000 440,000 461,000 488,000 452,000 454,000 468,000 599,000 576,000 582,000 548,000 535,000 455,000 1,120,000 1,097,000 1,072,000 7,966,000 368,000 2,484,000 334,000 5,699,000 2,842,000 6,639,000 324,000 4,627,000 216,000 187,000 169,000 150,000 461,000 6,071,000 10,042,000 10,046,000 79,838,000 9,980,000 20,104,000 4,988,000 4,989,000 14,980,000 14,944,000  
        accounts receivables
      754,655,000 1,022,850,000 782,674,000 724,125,000 650,044,000 864,526,000 673,973,000 692,849,000 653,763,000 760,287,000 602,607,000 566,829,000 513,738,000 645,891,000 475,829,000 449,664,000 394,289,000 537,564,000 371,352,000 343,247,000 337,105,000 433,479,000 295,590,000 297,798,000 268,526,000 317,700,000 235,547,000 258,280,000 256,560,000 124,659,000 91,356,000 83,223,000 92,332,000 107,192,000 85,273,000 85,506,000 82,498,000 91,579,000 91,470,000 87,960,000 80,949,000 101,229,000 83,253,000 88,544,000 83,418,000 97,845,000 79,912,000 84,101,000 80,291,000 96,598,000 77,861,000 83,935,000 79,506,000 84,602,000 65,084,000 68,807,000 71,049,000 76,604,000 54,042,000 63,522,000 67,389,000 67,084,000 51,056,000 50,886,000 53,445,000 61,823,000 57,844,000 51,718,000 54,978,000 48,281,000 39,490,000 41,079,000 43,550,000 27,816,000 29,937,000 22,491,000 16,448,000 15,359,000 17,592,000 14,716,000 16,652,000 18,653,000 16,034,000 16,035,000 18,878,000  
        other receivables and current assets
      265,618,000 311,126,000 270,135,000 248,427,000 260,518,000 324,651,000 229,013,000 243,374,000 222,459,000 289,261,000 214,566,000 242,761,000 278,375,000 324,655,000 199,491,000 214,492,000 278,720,000 268,522,000 242,160,000 206,038,000 235,565,000 249,619,000 177,734,000 203,851,000 186,657,000 216,113,000 162,629,000 188,542,000 181,001,000 263,820,000 183,683,000 198,975,000 223,181,000 239,349,000 176,606,000 180,471,000 172,304,000 200,233,000 148,160,000 158,940,000 167,856,000 192,308,000 148,069,000 168,221,000 169,133,000 200,734,000 148,652,000 151,046,000 183,806,000 216,268,000 171,237,000 187,240,000 175,656,000 163,296,000 134,191,000 134,561,000 146,447,000 147,402,000 116,686,000 81,730,000 93,810,000 86,735,000 66,804,000 77,596,000 84,201,000 95,462,000 82,243,000 70,115,000 80,503,000 67,499,000 68,578,000 55,267,000 61,111,000 41,666,000 46,149,000 28,014,000 21,085,000 21,496,000 24,451,000        
        total current assets
      2,848,832,000 2,831,493,000 2,348,078,000 2,091,824,000 1,981,171,000 2,049,567,000 1,542,499,000 1,414,235,000 1,384,076,000 1,664,122,000 1,449,876,000 1,327,225,000 1,449,878,000 1,638,574,000 1,756,685,000 1,622,364,000 1,660,952,000 1,719,237,000 1,458,721,000 1,294,264,000 1,290,700,000 1,555,480,000 1,206,226,000 1,133,345,000 1,062,811,000 1,311,177,000 1,127,567,000 1,142,985,000 1,327,329,000 1,270,266,000 1,201,674,000 1,145,680,000 1,182,069,000 1,169,401,000 1,100,151,000 1,109,742,000 1,118,679,000 1,076,426,000 1,045,264,000 1,110,355,000 1,029,288,000 1,110,493,000 1,075,020,000 1,064,657,000 1,132,262,000 1,067,596,000 959,956,000 915,484,000 931,608,000 913,359,000 825,831,000 841,153,000 830,802,000 740,033,000 626,427,000 854,251,000 784,745,000 714,633,000 686,392,000 578,742,000 566,082,000 515,490,000 430,481,000 399,307,000 378,208,000 397,153,000 358,338,000 337,882,000 355,936,000 305,169,000 281,282,000 253,066,000 245,500,000 184,179,000 191,448,000 257,914,000 215,320,000 203,651,000 195,358,000 157,842,000 146,763,000 137,261,000 106,658,000 97,411,000 88,992,000  
        long-term assets:
                                                                                            
        property and equipment
      92,733,000 89,646,000 87,134,000 86,294,000 80,930,000 77,780,000 75,431,000 78,539,000 80,825,000 80,838,000 77,748,000 81,154,000 84,678,000 87,914,000 90,793,000 91,872,000 93,207,000 96,503,000 90,299,000 88,792,000 82,471,000 83,636,000 70,295,000 68,294,000 63,301,000 61,655,000 57,902,000 56,501,000 55,806,000 57,096,000 57,160,000 53,930,000 54,513,000 54,677,000 55,628,000 58,095,000 60,151,000 61,924,000 58,590,000 60,664,000 62,496,000 64,643,000 65,099,000 62,487,000 59,631,000 60,538,000 54,952,000 50,279,000 50,822,000 52,253,000 51,178,000 51,659,000 46,809,000 45,638,000 40,251,000 38,529,000 37,436,000 36,921,000 34,715,000 33,565,000 34,081,000 35,131,000 36,034,000 36,246,000 37,065,000 36,812,000 33,621,000 31,519,000 29,678,000 29,082,000 29,010,000 28,460,000 26,139,000 24,430,000 24,252,000 6,265,000 6,234,000 6,391,000 6,168,000 5,827,000 6,159,000 5,923,000 5,482,000 5,877,000 5,953,000  
        operating lease right-of-use assets
      100,440,000 105,122,000 106,727,000 109,081,000 111,069,000 116,980,000 116,187,000 121,746,000 127,198,000 129,140,000 123,511,000 125,743,000 130,274,000 120,881,000 119,938,000 125,323,000 125,635,000 137,730,000 115,705,000 117,242,000 120,831,000 105,671,000 104,160,000 104,509,000 99,991,000                                                              
        goodwill
      3,799,809,000 3,778,128,000 3,818,560,000 3,793,510,000 3,797,859,000 3,805,874,000 3,769,321,000 3,792,116,000 3,737,195,000 3,658,267,000 3,532,459,000 3,566,968,000 3,399,897,000 3,409,271,000 3,101,623,000 3,110,736,000 3,036,783,000 3,038,306,000 2,491,590,000 2,474,299,000 2,398,684,000 2,413,280,000 1,771,862,000 1,775,734,000 1,748,228,000 1,572,455,000 1,575,567,000 1,575,276,000 1,379,458,000 1,378,553,000 1,353,444,000 1,342,968,000 1,340,391,000 1,337,215,000 1,333,531,000 1,333,397,000 1,334,129,000 1,332,348,000 1,334,509,000 1,312,121,000 1,315,045,000 1,312,182,000 1,313,754,000 1,317,189,000 1,262,965,000 1,255,704,000 1,255,275,000 1,253,971,000 1,250,038,000 1,251,247,000 1,252,706,000 1,228,068,000 1,229,629,000 1,225,375,000 1,229,872,000 1,035,583,000 1,035,342,000 1,035,083,000 1,035,613,000 1,034,738,000 1,035,910,000 1,038,824,000 1,042,157,000 1,046,019,000 1,045,250,000 1,048,003,000 1,056,170,000 454,045,000 454,094,000 453,689,000 430,728,000 431,624,000 430,509,000 431,050,000 430,823,000 44,582,000 37,949,000 37,876,000 38,715,000 35,265,000 34,985,000 35,176,000 34,127,000 31,093,000 30,212,000  
        other intangible assets
      694,235,000 716,244,000 756,712,000 776,461,000 806,375,000 835,417,000 849,205,000 884,018,000 870,544,000 809,183,000 739,202,000 771,257,000 739,059,000 763,119,000 667,268,000 689,398,000 677,357,000 694,865,000 474,785,000 481,694,000 458,136,000 476,711,000 267,378,000 282,070,000 278,327,000 211,272,000 219,564,000 229,654,000 146,396,000 157,625,000 154,996,000 153,639,000 164,112,000 172,619,000 184,768,000 196,933,000 209,677,000 220,553,000 233,262,000 232,849,000 244,777,000 259,312,000 277,514,000 298,205,000 286,803,000 291,390,000 305,833,000 318,294,000 331,938,000 351,173,000 368,980,000 348,723,000 365,622,000 383,420,000 396,645,000 257,388,000 267,392,000 278,320,000 289,795,000 295,886,000 308,774,000 322,313,000 336,878,000 346,204,000 355,496,000 373,398,000 383,844,000 164,372,000 172,080,000 176,850,000 183,965,000 189,723,000 197,051,000              
        other long-term assets
      218,145,000 308,333,000 276,551,000 272,662,000 210,165,000 273,030,000 174,289,000 199,943,000 196,305,000 261,880,000 214,648,000 226,341,000 227,383,000 279,676,000 215,259,000 228,207,000 201,675,000 225,119,000 189,227,000 191,326,000 152,521,000 180,032,000 134,757,000 124,384,000 97,699,000 82,775,000 53,226,000 39,101,000 34,731,000 35,972,000 33,633,000 25,639,000 19,122,000 24,287,000 17,271,000 16,926,000 5,966,000 5,757,000 5,665,000 6,079,000 6,346,000 6,187,000 4,074,000 5,703,000 8,190,000 10,586,000 13,206,000 15,851,000 19,594,000 24,393,000 45,813,000 31,942,000 34,863,000 46,942,000 48,858,000 49,265,000 51,485,000 56,123,000 65,542,000 5,253,000 5,628,000 5,848,000 6,249,000 6,183,000 7,653,000 8,170,000 8,183,000 3,820,000 6,390,000 3,607,000 2,766,000 2,805,000 2,951,000 2,842,000 3,059,000 3,864,000           
        deferred income taxes
      226,819,000 222,465,000 214,311,000 189,783,000 162,845,000 164,227,000 146,588,000 114,655,000 84,791,000 84,515,000 24,196,000 19,892,000 22,014,000 24,879,000 23,186,000 22,872,000 22,419,000 28,830,000 25,968,000 24,249,000 22,742,000 24,077,000 27,334,000 24,506,000 21,906,000 26,630,000 22,285,000 14,733,000 15,446,000 42,111,000 45,106,000 39,109,000 34,486,000 42,327,000 39,008,000 32,568,000 30,226,000 32,896,000 28,711,000 22,285,000 19,300,000 28,178,000 26,228,000 24,333,000 21,468,000 26,031,000 23,618,000 20,473,000 16,030,000 23,338,000 21,392,000 18,026,000 17,195,000 19,731,000 20,272,000 20,623,000 16,780,000 17,693,000 19,828,000 16,905,000 14,571,000 17,827,000 18,915,000 16,638,000 10,959,000 5,993,000 5,877,000 14,005,000 19,228,000 17,538,000 22,347,000 18,749,000 23,296,000 12,929,000 12,253,000 4,179,000 3,315,000 3,426,000 3,571,000 3,035,000 3,281,000 3,452,000 3,668,000 3,318,000 2,570,000  
        total long-term assets
      5,132,181,000 5,219,938,000 5,259,995,000 5,227,791,000 5,169,243,000 5,273,308,000 5,131,021,000 5,191,017,000 5,096,858,000 5,023,823,000 4,711,764,000 4,791,355,000 4,603,305,000 4,685,740,000 4,218,067,000 4,268,408,000 4,157,076,000 4,221,353,000 3,387,574,000 3,377,602,000 3,235,385,000 3,283,407,000 2,375,786,000 2,379,497,000 2,309,452,000                                                              
        total assets
      7,981,013,000 8,051,431,000 7,608,073,000 7,319,615,000 7,150,414,000 7,322,875,000 6,673,520,000 6,605,252,000 6,480,934,000 6,687,945,000 6,161,640,000 6,118,580,000 6,053,183,000 6,324,314,000 5,974,752,000 5,890,772,000 5,818,028,000 5,940,590,000 4,846,295,000 4,671,866,000 4,526,085,000 4,838,887,000 3,582,012,000 3,512,842,000 3,372,263,000 3,265,964,000 3,056,111,000 3,058,250,000 2,959,166,000 2,941,623,000 2,846,013,000 2,760,965,000 2,794,693,000 2,800,526,000 2,730,357,000 2,747,661,000 2,758,828,000 2,729,904,000 2,701,566,000 2,746,030,000 2,681,094,000 2,774,103,000 2,789,038,000 2,799,196,000 2,793,229,000 2,722,382,000 2,618,279,000 2,576,036,000 2,599,700,000 2,607,417,000 2,558,304,000 2,513,222,000 2,517,058,000 2,448,470,000 2,347,905,000 2,237,975,000 2,178,360,000 2,126,876,000 2,118,482,000 1,953,550,000 1,954,531,000 1,920,182,000 1,852,729,000 1,835,124,000 1,824,568,000 1,864,514,000 1,841,091,000 996,112,000 1,018,988,000 969,292,000 928,760,000 906,791,000 903,402,000 854,554,000 868,894,000 325,543,000 273,018,000 262,011,000 254,979,000 212,879,000 202,676,000 193,456,000 162,445,000 155,682,000 147,333,000  
        liabilities and stockholders' equity
                                                                                            
        current liabilities:
                                                                                            
        accounts payable
      22,249,000 27,062,000 16,394,000 24,993,000 27,899,000 22,772,000 14,801,000 14,166,000 21,938,000 14,021,000 17,353,000 17,304,000 17,102,000 10,863,000 12,590,000 9,608,000 16,970,000 18,691,000 10,578,000 10,505,000 12,571,000 14,298,000 8,172,000 9,865,000 11,502,000 7,953,000 6,767,000 7,598,000 7,259,000 6,042,000 4,257,000 5,245,000 4,839,000 7,395,000 3,996,000 4,218,000 4,302,000 4,865,000 3,220,000 4,786,000 3,689,000 3,421,000 3,225,000 4,551,000 5,272,000 7,939,000 3,349,000 3,384,000 3,387,000 4,924,000 4,054,000 3,892,000 5,572,000 6,987,000 4,423,000 4,537,000 4,321,000 2,241,000 3,554,000 3,767,000 3,828,000 2,426,000 1,885,000 2,225,000 2,493,000 3,069,000 2,852,000 2,679,000 4,078,000 3,603,000 2,780,000 3,491,000 3,979,000 3,026,000 2,514,000 1,385,000 947,000 904,000 1,214,000 774,000 719,000 1,555,000 1,279,000 930,000 1,133,000  
        accrued bonuses and commissions
      40,613,000 189,521,000 107,926,000 70,285,000 41,901,000 170,909,000 89,327,000 64,015,000 37,584,000 160,908,000 80,282,000 55,026,000 30,646,000 163,182,000 83,537,000 51,856,000 24,911,000 112,491,000 52,352,000 37,642,000 22,421,000 101,546,000 55,362,000 42,247,000 20,506,000 79,945,000 46,720,000 32,520,000 23,192,000 69,925,000 40,375,000 27,928,000 21,005,000 49,487,000 30,858,000 23,929,000 17,640,000 46,141,000 32,159,000 21,759,000 16,039,000 47,001,000 32,884,000 27,704,000 17,227,000 43,992,000 30,922,000 23,319,000 15,984,000 42,601,000 31,210,000 24,148,000 16,678,000 36,164,000 30,194,000 22,175,000 14,227,000 29,719,000 23,690,000 18,428,000 12,596,000 23,162,000 16,519,000 12,617,000 5,867,000 22,111,000 22,501,000 15,458,000 9,064,000 25,504,000 17,049,000 11,069,000 6,613,000              
        accrued income taxes
      34,319,000 15,105,000 26,781,000 18,437,000 15,885,000 22,454,000 14,652,000 14,715,000 10,908,000 7,698,000 16,461,000 17,015,000 7,065,000 8,410,000 8,024,000 8,980,000 6,260,000 26,116,000 29,570,000 28,291,000 9,689,000 9,996,000 7,278,000 9,264,000 15,694,000 8,726,000 5,911,000 5,700,000 4,870,000 5,760,000 4,436,000 4,129,000 6,688,000 5,263,000 3,299,000 3,124,000 16,790,000 4,695,000 3,000,000 3,875,000 14,576,000 7,127,000 6,094,000 5,737,000 16,916,000 9,333,000 7,444,000 5,909,000 6,674,000 8,182,000 7,875,000 7,874,000 7,669,000 6,213,000 6,575,000 2,568,000 3,427,000 6,179,000 85,175,000 11,052,000 15,184,000 12,262,000 8,258,000 9,978,000 14,739,000 10,642,000 11,598,000 11,001,000 17,956,000 10,718,000 18,522,000 12,679,000 22,508,000              
        other accrued expenses and liabilities
      191,604,000 204,969,000 176,201,000 171,179,000 187,722,000 215,645,000 165,983,000 176,534,000 184,154,000 198,220,000 160,693,000 174,444,000 184,663,000 204,509,000 178,248,000 186,545,000 204,622,000 199,466,000 142,856,000 142,270,000 139,497,000 142,947,000 111,633,000 123,230,000 124,818,000 99,559,000 83,169,000 82,304,000 95,053,000 86,335,000 65,557,000 65,839,000 81,486,000 73,676,000 56,305,000 60,637,000 60,952,000 63,801,000 53,850,000 62,328,000 65,879,000 74,862,000 63,939,000 74,279,000 69,660,000 69,343,000 60,102,000 61,863,000 59,159,000 61,329,000 54,376,000 54,671,000 55,053,000 55,809,000 46,050,000 43,901,000 44,878,000 41,247,000 36,979,000 28,143,000 31,794,000 32,740,000 28,494,000 30,482,000 33,581,000 34,024,000 29,541,000 26,614,000 31,593,000 25,527,000 31,794,000 26,022,000 27,480,000 28,791,000 33,185,000 16,845,000 10,695,000 11,184,000 12,198,000 9,693,000 9,922,000 8,285,000 7,198,000 7,662,000 10,193,000  
        deferred revenue
      490,318,000 504,527,000 427,188,000 423,848,000 433,167,000 457,514,000 349,668,000 374,407,000 396,331,000 413,989,000 334,901,000 360,910,000 386,019,000 391,528,000 318,032,000 338,396,000 366,596,000 372,061,000 326,491,000 325,098,000 352,964,000 351,353,000 291,385,000 321,060,000 330,890,000 328,584,000 272,872,000 306,879,000 311,718,000 440,491,000 381,727,000 411,646,000 414,708,000 403,279,000 359,979,000 375,802,000 375,140,000 364,644,000 319,705,000 337,420,000 343,814,000 332,664,000 301,026,000 334,370,000 332,143,000 309,775,000 285,040,000 304,535,000 306,801,000 305,793,000 273,636,000 293,563,000 281,689,000 259,155,000 225,729,000 231,719,000 226,426,000 199,805,000 179,272,000 190,410,000 189,791,000 169,275,000 162,144,000 182,744,000 177,776,000 166,189,000 147,119,000 153,272,000 148,114,000 122,799,000 113,198,000 124,660,000 120,506,000 89,742,000 95,394,000 57,724,000 46,079,000 49,465,000 51,340,000 38,726,000 41,760,000 43,787,000 33,993,000 36,245,000 36,672,000  
        total current liabilities
      779,103,000 941,184,000 754,490,000 708,742,000 706,574,000 889,294,000 634,431,000 643,837,000 650,915,000 794,836,000 609,690,000 624,699,000 634,620,000 778,492,000 600,431,000 595,385,000 624,047,000 728,825,000 561,847,000 543,806,000 537,142,000 695,140,000 473,830,000 505,666,000 503,410,000 524,767,000 415,439,000 435,001,000 442,092,000 608,553,000 496,352,000 514,787,000 528,726,000 539,100,000 454,437,000 467,710,000 474,824,000 484,146,000 411,957,000 430,310,000 444,111,000 465,099,000 407,280,000 447,037,000 441,747,000 440,431,000 386,956,000 425,666,000 419,306,000 477,387,000 453,107,000 463,917,000 457,016,000 438,751,000 371,479,000 347,457,000 330,526,000 311,369,000 355,543,000 273,267,000 278,357,000 266,766,000 244,200,000 264,952,000 264,751,000 267,664,000 246,542,000 209,364,000 217,200,000 195,867,000 192,691,000 189,673,000 194,376,000 157,803,000 166,620,000 80,322,000 63,982,000 65,442,000 67,004,000 54,231,000 55,839,000 55,767,000 45,244,000 47,177,000 49,893,000  
        long-term liabilities:
                                                                                            
        long-term operating lease liabilities
      81,799,000 86,936,000 88,830,000 91,703,000 95,320,000 100,505,000 100,071,000 105,198,000 110,227,000 112,802,000 109,706,000 111,357,000 114,238,000 104,378,000 102,842,000 108,207,000 109,454,000 120,940,000 101,941,000 103,585,000 107,035,000 91,768,000 91,173,000 90,420,000 87,259,000                                                              
        long-term debt
      754,287,000 754,208,000 754,128,000 754,049,000 753,970,000 753,891,000 753,812,000 753,732,000 753,653,000 753,574,000 753,495,000 753,402,000 744,575,000 753,576,000 753,451,000 753,327,000 793,515,000 798,118,000 423,759,000 423,683,000 423,607,000 423,531,000                                                                 
        other long-term liabilities
      130,322,000 126,800,000 126,145,000 118,866,000 111,815,000 113,520,000 108,046,000 106,237,000 100,219,000 102,756,000 96,707,000 103,280,000 96,360,000 98,272,000 94,218,000 79,986,000 76,822,000 84,514,000 105,406,000 96,083,000 96,173,000 96,426,000 62,484,000 62,988,000 58,843,000 61,573,000 62,171,000 76,998,000 80,865,000 85,778,000 60,614,000 54,487,000 52,295,000 50,762,000 44,494,000 41,931,000 43,530,000 49,240,000 48,617,000 45,294,000 50,810,000 54,113,000 52,861,000 54,306,000 60,819,000 60,670,000 60,688,000 67,319,000 90,854,000 96,917,000 111,538,000 106,923,000 107,533,000 100,479,000 93,995,000 74,224,000 83,797,000 82,989,000 72,231,000 33,740,000 37,068,000 34,804,000 32,160,000 32,067,000 36,300,000 36,629,000 26,393,000 21,203,000 22,995,000 17,314,000 14,921,000 7,773,000 7,601,000 1,375,000 1,375,000            
        total long-term liabilities
      1,022,435,000 1,023,807,000 1,024,807,000 1,024,370,000 1,034,197,000 1,043,217,000 1,032,289,000 1,047,003,000 1,047,857,000 1,027,258,000 1,008,265,000 1,041,126,000 1,054,612,000 1,061,774,000 1,035,077,000 1,045,169,000 1,082,012,000 1,113,893,000 694,835,000 690,012,000 696,593,000 690,368,000 184,858,000 189,890,000 184,472,000 91,650,000 92,126,000 115,770,000 109,714,000 87,239,000 62,407,000 56,763,000 54,522,000 53,021,000 46,155,000 44,091,000 50,101,000 51,331,000 78,013,000 74,415,000 85,718,000 91,503,000 126,041,000 132,387,000 142,769,000 145,705,000 143,025,000 152,535,000 174,506,000 189,739,000 208,707,000 228,456,000 239,149,000 255,246,000 283,409,000 250,224,000 271,201,000 285,578,000 302,799,000 277,733,000 317,136,000 340,785,000 351,488,000 361,431,000 398,893,000 413,951,000 432,110,000 77,778,000 124,507,000 132,215,000 122,546,000 137,723,000 155,010,000 179,144,000 198,972,000            
        commitments and contingencies
                                                                                            
        stockholders' equity:
                                                                                            
        preferred stock, 0.01 par value...
                                                                                            
        common stock, 0.01 par value...
      953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 953,000 946,000 946,000 946,000                                                                  
        additional paid-in capital
      1,757,994,000 1,790,688,000 1,750,243,000 1,689,883,000 1,641,813,000 1,670,450,000 1,612,269,000 1,550,153,000 1,505,788,000 1,540,317,000 1,500,330,000 1,450,549,000 1,415,407,000 1,465,694,000 1,428,419,000 1,381,590,000 1,346,601,000 1,434,203,000 1,182,127,000 1,144,193,000 1,118,170,000 1,188,939,000 865,634,000 839,696,000 824,997,000 867,462,000 850,616,000 837,324,000 833,414,000 873,357,000 865,430,000 855,782,000 853,478,000 883,010,000 884,461,000 884,675,000 882,438,000 894,469,000 891,920,000 888,537,000 891,079,000 904,825,000 911,377,000 916,988,000 915,997,000 926,031,000 921,780,000 921,623,000 916,336,000 927,368,000 935,375,000 934,976,000 926,611,000 905,662,000 888,066,000 873,037,000 869,136,000 856,718,000 836,693,000 828,011,000 816,866,000 801,574,000 803,920,000 803,278,000 806,318,000 806,755,000 801,454,000 361,103,000 355,282,000 355,241,000 353,491,000 351,871,000 349,000,000 342,432,000 338,670,000 62,913,000 58,026,000 54,662,000 53,321,000 49,438,000 47,675,000 46,375,000 44,206,000 43,658,000 41,453,000  
        retained earnings
      5,910,899,000 5,859,034,000 5,576,346,000 5,448,154,000 5,318,120,000 5,283,342,000 5,008,580,000 4,953,078,000 4,883,552,000 4,782,930,000 4,524,983,000 4,429,008,000 4,330,208,000 4,259,220,000 4,056,049,000 3,970,707,000 3,876,991,000 3,804,593,000 3,588,961,000 3,513,334,000 3,416,770,000 3,370,706,000 3,204,854,000 3,115,391,000 3,005,641,000 2,919,411,000 2,766,259,000 2,676,924,000 2,584,328,000 2,316,916,000 2,264,331,000 2,190,701,000 2,120,971,000 2,057,665,000 1,987,682,000 1,918,125,000 1,848,497,000 1,792,029,000 1,724,008,000 1,657,975,000 1,595,640,000 1,539,508,000 1,469,875,000 1,404,396,000 1,341,360,000 1,284,818,000 1,208,889,000 1,146,459,000 1,090,514,000 1,039,491,000 983,428,000 931,809,000 881,547,000 836,008,000 788,551,000 743,005,000 697,574,000 655,333,000 606,193,000 570,063,000 534,570,000 502,201,000 464,571,000 434,042,000 406,905,000 385,810,000 353,896,000 328,122,000 299,993,000 274,139,000 244,850,000 226,153,000 207,898,000 181,063,000 172,691,000 192,084,000 165,900,000 154,726,000 144,951,000 123,018,000 115,419,000 107,842,000 93,500,000 88,139,000 83,667,000  
        treasury stock
      -1,381,128,000 -1,416,655,000 -1,427,128,000 -1,431,774,000 -1,438,948,000 -1,474,110,000 -1,480,733,000 -1,488,337,000 -1,498,693,000 -1,335,627,000 -1,294,098,000 -1,300,908,000 -1,304,413,000 -1,185,707,000 -1,097,051,000 -1,070,210,000 -1,075,537,000 -1,124,102,000 -1,131,084,000 -1,141,040,000 -1,153,863,000 -1,041,831,000 -1,057,955,000 -1,069,354,000 -1,077,252,000 -1,075,879,000 -1,008,370,000 -951,912,000 -981,713,000 -907,530,000 -804,012,000 -814,424,000 -713,853,000 -675,550,000 -605,413,000 -527,931,000 -456,871,000 -440,839,000 -358,898,000 -261,627,000 -287,002,000 -196,010,000 -107,850,000 -103,314,000 -48,456,000 -72,891,000 -43,129,000 -65,528,000 -1,620,000 -36,151,000 -37,618,000 -54,192,000     -11,098,000     -853,000 -22,117,000 -33,545,000 -43,628,000 -9,079,000    -5,182,000 -2,088,000 -10,459,000 -11,969,000 -12,696,000 -15,252,000 -16,028,000 -20,046,000 -17,643,000 -16,557,000        
        accumulated other comprehensive loss
      -109,243,000 -147,580,000 -71,638,000 -120,713,000 -112,295,000 -90,271,000 -134,269,000 -101,435,000 -109,438,000 -122,722,000 -188,483,000 -126,847,000 -78,204,000 -56,112,000 -49,126,000 -32,822,000 -37,039,000 -17,775,000 -51,337,000 -79,385,000 -89,673,000 -65,381,000 -90,141,000 -69,379,000 -69,937,000 -62,379,000 -60,891,000 -55,789,000 -29,601,000 -37,844,000 -39,427,000 -43,576,000 -50,083,000 -57,652,000 -37,897,000 -39,941,000 -41,093,000 -52,164,000 -46,366,000 -44,512,000 -49,384,000 -31,754,000 -18,534,000  -1,713,000                    -9,568,000                      
        total stockholders' equity
      6,179,475,000 6,086,440,000 5,828,776,000 5,586,503,000 5,409,643,000 5,390,364,000 5,006,800,000 4,914,412,000 4,782,162,000 4,865,851,000 4,543,685,000 4,452,755,000 4,363,951,000 4,484,048,000 4,339,244,000 4,250,218,000 4,111,969,000 4,097,872,000 3,589,613,000 3,438,048,000 3,292,350,000 3,453,379,000 2,923,324,000 2,817,286,000 2,684,381,000 2,649,547,000 2,548,546,000 2,507,479,000 2,407,360,000 2,245,831,000 2,287,254,000 2,189,415,000 2,211,445,000 2,208,405,000 2,229,765,000 2,235,860,000 2,233,903,000 2,194,427,000 2,211,596,000 2,241,305,000 2,151,265,000  2,255,717,000 2,219,772,000 2,208,713,000                                          
        total liabilities and stockholders' equity
      7,981,013,000 8,051,431,000 7,608,073,000 7,319,615,000 7,150,414,000 7,322,875,000 6,673,520,000 6,605,252,000 6,480,934,000 6,687,945,000 6,161,640,000 6,118,580,000 6,053,183,000 6,324,314,000 5,974,752,000 5,890,772,000 5,818,028,000 5,940,590,000 4,846,295,000 4,671,866,000 4,526,085,000 4,838,887,000 3,582,012,000 3,512,842,000 3,372,263,000 3,265,964,000 3,056,111,000 3,058,250,000 2,959,166,000 2,941,623,000 2,846,013,000 2,760,965,000 2,794,693,000 2,800,526,000 2,730,357,000 2,747,661,000 2,758,828,000 2,729,904,000 2,701,566,000 2,746,030,000 2,681,094,000  2,789,038,000 2,799,196,000 2,793,229,000                                          
        current portion of long-term debt
                  9,125,000    4,688,000     75,000,000                          26,574,000 26,574,000                                      
        preferred stock, .01 par value...
                                                                                            
        common stock, .01 par value...
                           946,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 932,000 931,000 927,000 923,000 922,000 920,000 916,000 909,000 908,000 904,000 897,000 897,000 897,000 897,000 897,000 892,000 786,000 784,000 783,000 783,000 783,000 392,000 392,000 392,000 332,000 332,000 332,000 332,000 332,000 166,000 166,000 166,000 166,000 166,000  
        stockholders’ equity:
                                                                                            
        construction-in-progress - leased facility
                                                32,009,000                                            
        liabilities and stockholders’ equity
                                                                                            
        non-cash obligations for construction-in-progress - leased facility
                                                                                            
        total stockholders’ equity
                                               2,217,501,000    2,136,246,000 2,088,298,000 1,997,835,000 2,005,888,000 1,940,291,000 1,896,490,000 1,820,849,000 1,820,893,000 1,754,473,000 1,693,017,000 1,640,294,000 1,576,633,000 1,529,929,000 1,460,140,000 1,402,550,000 1,359,038,000 1,312,631,000 1,257,041,000 1,208,741,000 1,160,924,000 1,182,899,000 1,162,439,000 708,970,000 677,281,000 641,210,000 613,523,000 579,395,000 554,016,000 517,607,000 503,302,000 243,846,000 209,036,000 196,569,000 187,975,000 158,648,000 146,837,000 137,080,000 117,201,000 108,505,000 97,440,000  
        total liabilities and stockholders’ equity
                                               2,774,103,000    2,722,382,000 2,618,279,000 2,576,036,000 2,599,700,000 2,607,417,000 2,558,304,000 2,513,222,000 2,517,058,000 2,448,470,000 2,347,905,000 2,237,975,000 2,178,360,000 2,126,876,000 2,118,482,000 1,953,550,000 1,954,531,000 1,920,182,000 1,852,729,000 1,835,124,000 1,824,568,000 1,864,514,000 1,841,091,000 996,112,000 1,018,988,000 969,292,000 928,760,000 906,791,000 903,402,000 854,554,000 868,894,000 325,543,000 273,018,000 262,011,000 254,979,000 212,879,000 202,676,000 193,456,000 162,445,000 155,682,000 147,333,000  
        non-cash obligation for construction-in-progress - leased facility
                                                32,009,000                                            
        ansys, inc. stockholders’ equity:
                                                                                            
        total ansys, inc. stockholders' equity
                                                2,255,800,000 2,219,816,000 2,208,120,000                                          
        noncontrolling interest
                                                -83,000 -44,000 593,000                                          
        construction in progress - leased facility
                                                 29,563,000 23,718,000 18,136,000 11,222,000 6,258,000                                       
        current portion of capital lease obligations
                                                 20,000 33,000                                          
        capital lease obligations, less current portion
                                                 12,000 69,000                                          
        non-cash obligation for construction in progress - leased facility
                                                 29,563,000 23,718,000  11,222,000 6,258,000                                       
        ansys inc. stockholders’ equity:
                                                                                            
        accumulated other comprehensive income
                                                 814,000  -2,644,000 -174,000 -5,651,000 -274,000 8,651,000 14,373,000 7,324,000 11,804,000 11,876,000 15,477,000 23,330,000 20,101,000 16,962,000 16,345,000 3,568,000 6,698,000 8,812,000 9,770,000 4,069,000  -1,484,000 6,197,000 18,959,000 21,222,000 16,229,000 16,487,000 11,047,000 8,695,000 6,416,000 6,801,000 4,546,000 4,824,000 4,492,000 5,928,000 4,713,000 4,048,000 4,527,000 2,808,000 2,428,000 1,152,000  
        current portion of long-term debt and capital lease obligations
                                                       53,149,000 79,723,000 79,724,000 90,355,000 74,423,000 58,494,000 42,542,000 37,247,000 31,962,000 26,691,000 21,436,000 25,086,000 26,758,000 26,787,000 26,645,000 29,559,000 29,630,000 30,978,000 330,000 6,395,000 7,716,000 9,348,000 11,752,000 13,290,000 19,806,000 24,361,000            
        non-cash obligations for construction in progress - leased facility
                                                   18,136,000                                         
        long-term debt and capital lease obligations, less current portion
                                                         26,574,000 26,574,000 53,149,000 79,723,000 106,298,000 116,930,000 127,563,000 138,200,000 148,839,000 180,260,000 198,668,000 205,344,000 211,911,000 242,403,000 249,795,000 269,266,000 44,000 41,809,000 52,430,000 66,153,000 86,707,000 101,512,000 128,715,000 146,191,000            
        capitalized software costs
                                                                     352,000 438,000 522,000 596,000 702,000 810,000 895,000 1,009,000 1,113,000 1,252,000 747,000 799,000 528,000 767,000 872,000 754,000 864,000 877,000 1,026,000 1,076,000 1,047,000 949,000  
        ansoft transaction fees
                                                                         3,412,000                   
        other intangibles
                                                                               211,306,000 218,513,000 9,440,000 10,688,000 11,984,000 13,130,000 12,334,000 13,019,000 14,070,000 14,965,000 15,905,000 16,169,000  
        accrued bonuses
                                                                               16,438,000 11,166,000 4,368,000 6,261,000 3,889,000 2,252,000 5,038,000 3,438,000 2,140,000 2,774,000 2,340,000 1,895,000  
        long-term liabilities
                                                                                 1,375,000           
        other current assets
                                                                                     15,831,000 17,459,000 18,873,000 14,686,000 15,226,000 15,751,000  
        deferred tax asset
                                                                                     747,000 873,000      
        stockholders’ equity – note 2:
                                                                                            
        less treasury stock, at cost: 1,953,906 and 2,634,976 shares, respectively
                                                                                     -18,853,000       
        less treasury stock, at cost: 1,117,635 and 1,317,488 shares, respectively
                                                                                      -20,471,000      
        total liabilities
                                                                                       56,376,000     
        less treasury stock, at cost: 1,237,083 and 1,317,488 shares, respectively
                                                                                       -21,830,000     
        long-term investment
                                                                                         636,000 486,000  
        less treasury stock, at cost: 1,379,319 and 2,014,999 shares, respectively
                                                                                        -23,479,000    
        less treasury stock, at cost: 1,588,953 and 2,014,999 shares, respectively
                                                                                         -25,886,000   
        less treasury stock, at cost: 1,882,099 and 2,014,999 shares, respectively
                                                                                          -28,998,000  
        10.10
                                                                                            
        10.11
                                                                                            
        10.12
                                                                                            
        10.13
                                                                                            
        10.14
                                                                                            
        10.15
                                                                                            
        10.16
                                                                                            
        10.17
                                                                                            
        10.18
                                                                                            
        10.19
                                                                                            
        10.20
                                                                                            
        10.21
                                                                                            
        10.22
                                                                                            
        10.23
                                                                                            
        10.24
                                                                                            
        10.25
                                                                                            
        10.26
                                                                                            
        13.1
                                                                                            
        14.1
                                                                                            
        21
                                                                                            
        23.1
                                                                                            
        24.1
                                                                                            
        31.1
                                                                                            
        31.2
                                                                                            
        32.1
                                                                                            
        32.2
                                                                                            
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-03-31 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 2006-09-30 2006-06-30 2006-03-31 2005-09-30 2005-06-30 2005-03-31 2004-09-30 2004-06-30 2004-03-31 2003-09-30 2003-06-30 2003-03-31 
                                                                                             
          cash flows from operating activities:
                                                                                             
          net income
        51,865,000 282,688,000 128,192,000 130,034,000 34,778,000 274,762,000 55,502,000 69,526,000 100,622,000 257,947,000 95,975,000 98,800,000 70,988,000 203,171,000 85,342,000 93,716,000 72,398,000 215,632,000 75,627,000 96,564,000 46,064,000 165,852,000 89,463,000 109,750,000 86,230,000 153,163,000 89,336,000 92,596,000 84,280,000 52,585,000 73,630,000 69,730,000 63,306,000 69,983,000 69,557,000 69,628,000 56,468,000 68,021,000 66,033,000 62,335,000 56,132,000 69,633,000 65,479,000 63,036,000 56,542,000 75,929,000 62,430,000 55,945,000 51,023,000 56,063,000 51,619,000 50,262,000 45,539,000 47,457,000 45,546,000 45,431,000 42,241,000 49,140,000 36,130,000 35,493,000 32,369,000 37,630,000 30,529,000 27,137,000 21,095,000 31,913,000 25,775,000 28,129,000 25,854,000 29,289,000 18,696,000 18,256,000 16,151,000 8,372,000 -19,393,000 12,913,000 11,174,000 9,775,000 9,683,000 7,599,000 7,577,000 7,140,000 5,361,000 4,472,000 4,279,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                             
          depreciation and amortization
        37,461,000 35,344,000 35,795,000 35,997,000 35,536,000                    17,898,000 11,914,000 13,603,000 17,125,000 16,613,000 17,739,000 16,930,000 16,418,000 16,591,000 17,267,000 17,444,000 17,444,000 17,432,000 18,888,000 19,647,000 19,707,000 19,428,000 20,701,000 21,351,000 20,414,000 19,458,000 19,438,000 19,878,000 20,702,000 20,683,000 21,753,000 21,752,000 21,205,000 20,712,000 19,039,000 17,091,000 14,994,000 14,831,000 15,409,000 15,152,000 15,049,000 15,216,000 16,235,000 16,167,000 15,969,000 15,815,000 15,946,000 14,594,000 9,881,000 9,672,000 10,010,000 9,570,000 9,891,000 9,478,000 9,282,000 6,786,000 1,872,000 2,027,000 2,111,000 2,021,000 1,873,000 1,882,000 1,866,000 1,902,000 1,958,000 1,379,000 
          operating lease right-of-use assets expense
        5,550,000 5,445,000 5,660,000 5,851,000 5,664,000 5,889,000 6,875,000 5,369,000 5,381,000 5,365,000 5,982,000 5,821,000 5,553,000 5,297,000 5,796,000 5,401,000 5,699,000  5,120,000 5,141,000 5,075,000                                                                 
          deferred income tax benefit
        -8,038,000 -8,008,000 -29,811,000 -40,244,000 -2,340,000 -16,880,000 -37,662,000 -33,849,000 -2,915,000 -67,156,000 -28,256,000 -34,443,000 -861,000 -12,031,000 -13,349,000 -5,546,000 -3,564,000 -8,305,000 -6,943,000 -10,242,000 -5,442,000 -1,290,000 -6,983,000 -4,851,000 -1,387,000 -5,500,000    1,524,000    -7,819,000    -7,895,000    -5,161,000 -7,729,000   -5,841,000 -10,826,000   -6,217,000    14,000    -6,068,000 -8,756,000 -7,864,000 -4,031,000 -8,260,000 -4,037,000 -6,842,000 -9,007,000 -5,863,000 -3,838,000 2,041,000 -5,663,000 3,226,000 -782,000 -109,000 -7,969,000 -3,808,000 -2,198,000 -819,000   -395,000       
          benefit from bad debts
        1,024,000 1,245,000 585,000 356,000 412,000 262,000 131,000 2,429,000 -118,000 3,746,000 50,000 100,000 2,326,000 179,000 167,000 642,000 18,000 639,000 127,000 2,556,000 3,116,000 369,000 549,000 1,620,000 390,000 188,000 904,000 421,000 64,000 92,000 201,000 141,000 1,040,000 1,003,000 311,000 568,000 127,000 18,000 453,000 517,000 316,000 459,000 715,000 812,000 118,000 336,000 471,000 368,000 290,000 768,000 140,000 27,000 3,000 126,000 137,000 47,000 94,000 830,000 3,000 504,000 420,000 108,000 576,000 642,000 284,000 423,000 347,000 262,000 152,000 171,000 300,000 422,000 150,000 46,000 158,000 59,000 256,000 194,000 125,000 -74,000 40,000 15,000 22,000 152,000 
          stock-based compensation expense
        70,243,000 73,016,000 72,330,000 66,890,000 58,664,000 63,358,000 58,061,000 56,301,000 44,171,000 46,009,000 46,970,000 39,498,000 35,651,000 44,190,000 44,144,000 42,885,000 35,119,000 42,359,000 38,185,000 34,130,000 30,941,000 31,406,000 31,862,000 29,122,000 23,800,000 24,459,000 22,983,000 20,635,000 15,269,000 13,746,000 14,773,000 14,122,000 10,513,000 8,783,000 8,952,000 8,534,000 7,078,000 8,220,000 8,870,000 9,030,000 7,831,000 9,278,000 9,953,000 10,165,000 7,465,000 8,556,000 9,081,000 8,874,000 8,787,000 8,485,000 8,104,000 8,024,000 7,802,000 6,514,000 6,108,000 5,319,000 5,147,000 5,116,000 4,743,000 4,656,000 4,504,000 3,917,000 3,175,000 3,021,000 3,099,000 3,071,000 2,797,000 3,159,000 2,752,000 2,526,000 2,075,000 2,147,000 2,170,000 1,240,000 1,230,000 1,224,000          
          other
        314,000 550,000 -82,000 372,000 402,000 -14,000 397,000 548,000 307,000 -306,000 1,424,000 2,643,000 919,000 768,000 728,000 237,000 975,000 -114,000 195,000 546,000 1,553,000 218,000 1,024,000 443,000 1,093,000 -1,629,000 902,000 865,000 272,000 -220,000 215,000 389,000 -363,000 1,501,000 -70,000 84,000 -225,000 -60,000 1,607,000 -100,000 -34,000 848,000 -222,000 244,000 -2,000 24,000 2,000 8,000 39,000 64,000 -6,000 -2,000 13,000 31,000 36,000 112,000 1,000 -122,000 104,000 19,000 18,000 -2,000 -103,000 191,000 22,000 79,000 19,000 124,000 -96,000 7,000 47,000 31,000 -5,000 97,000            
          changes in operating assets and liabilities:
                                                                                             
          accounts receivable
        366,832,000 -298,549,000 -48,158,000 -149,667,000 264,474,000 -271,474,000 35,523,000 -51,950,000 185,385,000 -181,355,000 -43,675,000 -70,215,000 180,259,000 -235,115,000 -6,072,000 -66,868,000 159,038,000 -222,503,000 -17,260,000 -38,386,000 117,830,000 -141,793,000 -9,661,000 -46,932,000 43,983,000 -106,811,000 4,832,000 5,017,000 22,507,000 -32,305,000 -6,996,000 9,835,000 15,060,000 -23,989,000 480,000 -3,739,000 9,860,000 -663,000 -4,545,000 -7,155,000 18,407,000 -19,647,000 2,753,000 -3,998,000 15,338,000 -18,165,000 4,506,000 -4,464,000 15,140,000 -22,985,000 10,229,000 -5,277,000 5,632,000 -20,158,000 2,444,000 2,824,000 6,804,000 -23,114,000 11,719,000 2,069,000 -1,823,000 -16,465,000 -114,000 3,445,000 6,700,000 -5,189,000 3,464,000 2,661,000 -5,487,000 -8,741,000 2,134,000 2,371,000 -6,156,000 1,955,000 3,789,000 -3,276,000 -1,400,000 1,708,000 1,415,000 2,117,000 1,672,000 1,496,000 -21,000 2,842,000 1,808,000 
          other receivables and current assets
        48,091,000 -47,997,000 -17,543,000 9,857,000 60,593,000 -91,407,000 13,300,000 -21,088,000 68,991,000 -66,382,000 23,045,000 30,117,000 43,479,000 -122,308,000 3,438,000 66,625,000 -12,071,000 -15,047,000 -31,642,000 32,364,000 12,013,000 -63,955,000 25,993,000 -16,583,000 28,363,000 -53,448,000 24,963,000 -7,923,000 6,167,000 -79,252,000 16,440,000 26,111,000 18,203,000 -66,075,000 4,410,000 -7,789,000 29,810,000 -52,992,000 9,833,000 7,663,000 17,834,000 -49,438,000 15,019,000 1,776,000 31,766,000 -67,525,000 14,329,000 16,200,000 -7,166,000 -44,091,000 17,896,000 -10,161,000 -14,129,000 -36,080,000 4,400,000 13,363,000 1,391,000 -31,459,000 -32,445,000 11,049,000 -8,612,000 -20,371,000 11,473,000 9,603,000 9,461,000 -22,840,000 2,911,000 9,430,000 -9,079,000 -1,688,000 -13,113,000 5,298,000 -4,080,000  4,911,000 -2,743,000 624,000 2,285,000 -1,077,000       
          other long-term assets
        564,000 212,000 427,000 6,873,000 -671,000 -2,666,000 -4,050,000 3,951,000 -5,798,000 -492,000 713,000 2,149,000 -5,983,000 -669,000 -805,000 166,000 -1,909,000 -2,477,000 -3,061,000 -5,854,000 -3,426,000 -3,334,000 -814,000 1,042,000 -2,516,000 830,000 144,000 1,125,000 1,189,000 -2,152,000 -699,000 -852,000 6,046,000 -7,087,000 625,000 -613,000 -92,000 -123,000 381,000 253,000 -238,000 -2,272,000 540,000 -60,000 -46,000 -655,000 -2,000 56,000 139,000 16,363,000 -16,826,000 125,000 5,365,000 190,000 -1,189,000 -50,000 -341,000 -608,000 -59,760,000 107,000 -104,000 26,000 22,000 1,333,000 -41,000 -134,000 -136,000 -187,000 77,000 -876,000 -13,000 5,000 -37,000             
          accounts payable, accrued expenses and current liabilities
        -169,748,000 128,757,000 29,481,000 13,018,000 -147,636,000 133,050,000 17,755,000 12,413,000 -135,365,000 102,789,000 18,894,000 13,950,000 -143,883,000 112,366,000 27,756,000 -6,226,000 -80,050,000 97,879,000 11,582,000 11,013,000 -99,112,000 75,832,000 927,000 15,834,000 -54,050,000 51,163,000 14,733,000 -5,967,000 -40,009,000 49,407,000 10,768,000 -9,795,000 -23,335,000 40,541,000 2,005,000 6,631,000 -32,258,000 26,262,000 471,000 3,245,000 -36,971,000 27,067,000 -1,145,000 11,123,000 -28,837,000 30,708,000 4,175,000 9,262,000 -28,408,000 19,342,000 6,187,000 6,073,000 -22,054,000 18,205,000 3,994,000 6,619,000 -10,596,000 8,934,000 5,722,000 1,625,000 261,000 26,836,000 4,360,000 -6,396,000 -11,887,000 16,998,000 3,980,000 -3,779,000 -7,732,000 -1,337,000 21,218,000 -6,355,000 -7,471,000             
          accrued income taxes
        18,661,000 -10,614,000 7,080,000 2,897,000 -6,280,000 7,404,000 752,000 4,094,000 1,481,000 -9,652,000 654,000 10,216,000 -1,119,000 568,000 -1,050,000 3,007,000 -20,954,000 -2,297,000 2,434,000 18,570,000 1,006,000 3,122,000 -2,368,000 -6,178,000 5,999,000 3,667,000 536,000 -1,310,000 -1,807,000 1,436,000 567,000 -2,091,000 1,303,000 4,378,000 2,236,000 -12,164,000 14,602,000 3,381,000 126,000 -7,371,000 9,634,000 6,246,000 4,114,000 -9,281,000 11,023,000 3,016,000 3,876,000 1,566,000 3,418,000 6,095,000 1,398,000 168,000 6,955,000 3,192,000 4,741,000 2,410,000 -675,000 -70,257,000                            
          deferred revenue
        -20,780,000 92,384,000 -7,693,000 -4,972,000 -17,714,000 99,749,000 -19,871,000 -19,492,000 -25,879,000 61,206,000 -15,289,000 -13,369,000 455,000 73,014,000 -17,675,000 -29,996,000 1,204,000 35,426,000 -4,300,000 -30,462,000 4,784,000 53,052,000 -25,466,000 -12,576,000 2,235,000 55,038,000 -31,963,000 1,434,000 31,704,000 56,150,000 -33,792,000 -8,886,000 7,176,000 53,608,000 -17,423,000 -142,000 5,387,000 47,123,000 -17,396,000 -8,895,000 19,734,000 37,628,000 -24,807,000 995,000 21,732,000 40,432,000 -33,527,000 509,000 34,691,000 34,715,000 -23,082,000 7,199,000 28,916,000 35,820,000 -12,729,000 2,937,000 23,945,000 20,101,000 -18,036,000 3,264,000 23,488,000 8,352,000 -23,797,000 -173,000 15,012,000 19,792,000 -7,387,000 6,112,000 21,932,000 5,327,000 -13,441,000 3,808,000 18,881,000 -5,828,000 6,351,000 7,596,000 -3,196,000 -1,048,000 6,925,000 -3,160,000 -1,780,000 5,732,000 -2,252,000 -426,000 5,493,000 
          other long-term liabilities
        -3,104,000 3,500,000 -2,026,000 3,451,000 -3,065,000 -2,799,000 172,000 1,605,000 -7,621,000 -6,071,000 -7,563,000 4,745,000 -5,928,000 5,856,000 3,071,000 2,909,000 -11,878,000 3,862,000 3,634,000 -5,002,000 12,308,000 -2,875,000 -3,798,000 -742,000 -460,000 -100,000 -14,780,000 -4,199,000 -583,000 24,728,000 5,756,000 1,660,000 1,062,000 7,115,000 2,356,000 -1,499,000 -6,142,000 826,000 3,554,000 -5,855,000 -2,487,000 1,843,000 -685,000 -6,688,000 191,000 -60,000 -6,942,000 -13,444,000 2,450,000 -14,780,000 1,691,000 6,982,000 926,000 6,280,000 1,722,000 -9,728,000 691,000 10,707,000 38,070,000 -2,869,000 1,631,000 3,533,000 445,000 -2,902,000 933,000 8,101,000 1,815,000 -1,406,000 3,854,000 2,842,000 1,102,000 191,000 53,000             
          net cash from operating activities
        398,935,000 257,973,000 174,237,000 80,713,000 282,817,000 232,722,000 160,768,000 62,866,000 260,766,000 173,972,000 127,151,000 118,944,000 210,936,000 101,653,000 157,845,000 118,877,000 171,107,000 173,767,000 94,539,000 131,592,000 147,412,000 139,451,000 120,368,000 88,539,000 151,578,000 132,934,000 109,961,000 111,121,000 132,421,000 103,478,000 88,885,000 112,182,000 125,893,000 96,234,000 81,989,000 70,029,000 108,575,000 109,196,000 77,795,000 66,412,000 114,120,000 92,273,000 81,562,000 79,833,000 131,639,000 84,961,000 65,440,000 87,148,000 95,434,000 69,588,000 70,361,000 74,869,000 83,597,000 77,614,000 66,278,000 78,910,000 84,859,000 -25,265,000 72,263,000 60,155,000 59,731,000 44,920,000 34,079,000 43,440,000 51,250,000 61,669,000 42,746,000 55,147,000 37,146,000 41,643,000 26,256,000 37,027,000 22,202,000 22,355,000 25,405,000 12,628,000 14,159,000 17,598,000 15,320,000 13,413,000 13,090,000 13,212,000 7,101,000 10,161,000 11,468,000 
          cash flows from investing activities:
                                                                                             
          capital expenditures
        -11,491,000 -11,784,000 -8,425,000 -13,293,000 -10,543,000 -8,777,000 -4,504,000 -5,145,000 -6,892,000 -9,143,000 -5,168,000 -4,997,000 -5,062,000 -4,885,000 -7,298,000 -5,790,000 -5,045,000 -11,175,000 -7,228,000 -9,980,000 -6,987,000 -19,159,000 -8,835,000 -10,046,000 -6,900,000 -8,685,000 -6,326,000 -3,818,000 -2,933,000 -4,334,000 -7,313,000 -3,445,000 -4,057,000 -4,224,000 -2,151,000 -3,373,000 -2,695,000 -5,380,000 -3,083,000 -4,060,000 -3,622,000 -5,395,000 -8,705,000 -7,831,000 -4,092,000 -14,701,000 -5,467,000 -4,593,000 -4,087,000 -6,095,000 -3,552,000 -9,587,000 -4,743,000 -9,539,000 -4,919,000 -4,264,000 -3,341,000 -5,105,000 -4,736,000 -2,549,000 -1,870,000 -1,892,000 -1,908,000 -1,223,000 -3,288,000 -6,036,000 -3,621,000 -4,552,000 -2,430,000 -2,155,000 -2,178,000 -4,147,000 -2,278,000 -1,920,000 -1,008,000 -790,000 -770,000 -1,232,000 -1,461,000 -573,000 -1,087,000 -935,000 -312,000 -521,000 -640,000 
          free cash flows
        387,444,000 246,189,000 165,812,000 67,420,000 272,274,000 223,945,000 156,264,000 57,721,000 253,874,000 164,829,000 121,983,000 113,947,000 205,874,000 96,768,000 150,547,000 113,087,000 166,062,000 162,592,000 87,311,000 121,612,000 140,425,000 120,292,000 111,533,000 78,493,000 144,678,000 124,249,000 103,635,000 107,303,000 129,488,000 99,144,000 81,572,000 108,737,000 121,836,000 92,010,000 79,838,000 66,656,000 105,880,000 103,816,000 74,712,000 62,352,000 110,498,000 86,878,000 72,857,000 72,002,000 127,547,000 70,260,000 59,973,000 82,555,000 91,347,000 63,493,000 66,809,000 65,282,000 78,854,000 68,075,000 61,359,000 74,646,000 81,518,000 -30,370,000 67,527,000 57,606,000 57,861,000 43,028,000 32,171,000 42,217,000 47,962,000 55,633,000 39,125,000 50,595,000 34,716,000 39,488,000 24,078,000 32,880,000 19,924,000 20,435,000 24,397,000 11,838,000 13,389,000 16,366,000 13,859,000 12,840,000 12,003,000 12,277,000 6,789,000 9,640,000 10,828,000 
          purchases of short-term investments
        -21,233,000 -4,670,000 -28,646,000 -159,000 -19,940,000                                     -90,000 -79,000 -109,000 -77,000 -114,000 -26,000 -75,000 -46,000 -47,000 -16,000 -96,000 -69,000 -69,000 -48,000 -120,000 -114,000 -31,000 -85,000 -120,000 -839,000 -7,634,000 -56,000 -2,143,000 -66,000 -3,880,000 -2,579,000 -6,445,000 -89,000 -4,414,000 -25,000 -13,000 -8,000 -6,000 -73,000 -6,000,000 -10,000,000 1,000 -24,866,000   -4,989,000 -10,060,000 -4,985,000 
          other investing activities
        2,037,000 2,922,000 416,000 99,000 -3,953,000 26,000 -35,000 -4,890,000 -914,000 48,000 -867,000 72,000 13,000 -2,608,000 -85,000 -262,000 -35,000 -354,000 -3,796,000 -2,141,000 -264,000 11,268,000 -3,672,000 -8,548,000 -460,000 -3,382,000 -34,000 -1,173,000 -4,303,000 6,401,000 -8,926,000 -10,920,000 -964,000 -484,000 -1,099,000 -10,260,000 4,000 232,000 109,000 -44,000 -67,000                                             
          net cash from investing activities
        -30,687,000 -13,532,000 -36,655,000 -14,939,000 -34,436,000 -19,876,000 -4,539,000 -87,237,000 -128,390,000 -152,746,000 -7,018,000 -241,640,000 -9,964,000 -413,157,000 -7,332,000 -100,461,000 -15,863,000 -483,663,000 -11,024,000 -109,967,000 -9,599,000 -500,100,000 -22,171,000 -59,594,000 -251,683,000 -12,067,000 -6,360,000 -288,017,000 -7,236,000 -35,820,000 -36,373,000 -14,365,000 -10,885,000 -12,599,000 -3,250,000 -13,633,000 -2,691,000 -10,373,000 -33,490,000 -4,003,000 -14,166,000 -5,956,000 -8,746,000 -92,035,000 -22,533,000 -14,756,000 -5,469,000 -8,835,000 -4,117,000 -4,791,000 -49,911,000 -9,510,000 -4,744,000 -9,311,000 -274,634,000 -4,280,000 -3,418,000 -4,439,000 -4,714,000 -2,474,000 4,979,000 -9,501,000 290,000 -3,218,000 1,698,000 -8,680,000 -317,383,000 -13,977,000 2,041,000 -6,569,000 -2,322,000 -4,154,000 -2,373,000 -5,328,000 -289,806,000 4,285,000 -791,000 68,492,000 -30,284,000 9,291,000 -16,317,000 -1,196,000 9,503,000   
          cash flows from financing activities:
                                                                                             
          restricted stock withholding taxes paid in lieu of issued shares
        -68,063,000 -22,103,000 -7,287,000 -11,618,000 -65,089,000 -2,818,000 -972,000 -6,939,000 -52,916,000 -2,207,000 -481,000 -2,358,000 -59,196,000 -4,894,000 -1,446,000 -4,648,000 -86,049,000 -4,245,000 -1,378,000 -2,971,000 -62,425,000 -4,495,000 -2,331,000 -2,611,000 -32,994,000 -1,924,000 -1,914,000 -708,000 -24,333,000 -1,037,000 -1,038,000 -557,000 -8,480,000 -13,000 -40,000 -252,000 -4,752,000 -15,000 -49,000 -139,000 -4,243,000 -5,108,000 -4,269,000                                     
          proceeds from shares issued for stock-based compensation
        14,000 29,000 10,446,000 4,099,000 12,393,000 5,040,000 8,582,000 4,677,000 10,104,000 692,000 10,122,000 5,056,000 12,677,000 1,752,000 11,892,000 2,603,000 11,083,000 6,158,000 9,716,000 5,460,000 7,853,000 10,404,000 10,376,000 3,621,000 10,796,000 13,843,000 12,759,000 4,511,000 6,366,000 11,128,000 30,498,000 10,464,000 25,928,000 7,283,000 10,136,000 7,060,000 6,888,000 13,905,000 15,770,000                                             
          net cash from financing activities
        -68,049,000 -22,074,000 -7,287,000 -14,540,000 -54,643,000 1,281,000 11,421,000 -3,193,000 -240,828,000 -47,530,000 9,623,000 -2,956,000 -204,645,000 -98,987,000 -24,762,000 -47,895,000 -74,208,000 372,443,000 9,705,000 3,187,000 -288,738,000 499,445,000 5,522,000 -6,467,000 -69,091,000 -75,392,000 -66,074,000 8,196,000 -129,405,000 -109,277,000 5,328,000 -112,368,000 -78,334,000 -79,621,000 -86,230,000 -77,425,000 -36,201,000 -86,313,000 -106,535,000 12,620,000 -111,523,000 -103,673,000 -23,271,000 -64,199,000 5,501,000 -34,069,000 -16,294,000 -67,513,000 -11,883,000 -41,762,000 -20,972,000 -64,514,000 2,402,000 332,000 -5,017,000 4,238,000 -9,229,000 8,452,000 -1,340,000 -28,384,000 -8,367,000 8,585,000 2,248,000 -29,373,000 -45,550,000 -27,762,000 300,621,000 -45,350,000 -9,759,000 -18,703,000 -15,838,000 -13,833,000 -7,455,000 -17,753,000 168,221,000 3,902,000 -2,146,000      2,368,000 2,970,000 1,376,000 
          effect of exchange rate fluctuations on cash and cash equivalents
        11,213,000 -21,681,000 16,804,000 -2,785,000 -3,430,000 6,732,000 -6,183,000 -2,250,000 1,750,000 8,186,000 -14,550,000 -14,466,000 -6,573,000 -2,680,000 -2,617,000 -244,000 -6,281,000 5,384,000 6,975,000 1,986,000 -3,421,000 614,000 -2,490,000 1,586,000 -552,000 2,484,000 -4,241,000 -20,899,000 8,212,000 3,549,000 3,735,000 6,359,000 7,035,000 -19,451,000 2,052,000 949,000 9,584,000 -4,581,000 -1,885,000 4,931,000 -16,101,000 -11,385,000 -15,655,000 1,632,000 591,000 -984,000 4,254,000 -2,390,000 -5,144,000 -1,219,000 3,925,000 -7,207,000 4,763,000  -10,041,000 910,000 5,243,000  13,019,000 -3,049,000 -2,981,000  5,018,000 11,585,000 -6,305,000  -11,857,000 -1,318,000 4,251,000  4,771,000 1,370,000 685,000 -304,000 1,669,000 178,000 -116,000 -844,000 -402,000       
          net increase in cash and cash equivalents
        311,412,000 200,686,000 147,099,000 48,449,000 190,308,000 220,859,000    -18,118,000 115,206,000 -140,118,000 -10,246,000 -413,171,000 123,134,000 -29,723,000 74,755,000        -169,748,000 47,959,000 33,286,000 -189,599,000 3,992,000 -38,070,000 61,575,000 -8,192,000 43,709,000 -15,437,000 -5,439,000 -20,080,000 79,267,000 7,929,000 -64,115,000 79,960,000 -27,670,000 -28,741,000 33,890,000 -74,769,000 115,198,000 35,152,000 47,931,000 8,410,000 74,290,000 21,816,000 3,403,000 -6,362,000 86,018,000 65,530,000 -223,414,000 79,778,000 77,455,000 -22,237,000 79,228,000 26,248,000 53,362,000 42,540,000 41,635,000 22,434,000 1,093,000 18,644,000 14,127,000 -5,498,000 33,679,000 16,573,000 12,867,000 20,410,000 13,059,000    11,106,000 83,418,000 -13,641,000 25,013,000 -2,028,000 13,257,000 19,429,000   
          cash and cash equivalents, beginning of period
        1,446,743,000 860,201,000 614,391,000 667,667,000 912,672,000 872,094,000 777,139,000 881,501,000 822,479,000 784,168,000 788,064,000 742,486,000 576,703,000 471,828,000  472,479,000  335,878,000  228,176,000  167,224,000  104,315,000 176,166,000 83,547,000 78,038,000 46,198,000 
          cash and cash equivalents, end of period
        1,758,155,000 200,686,000 147,099,000 48,449,000 1,050,509,000 220,859,000 161,467,000 -29,814,000 507,689,000 -18,118,000 115,206,000 -140,118,000 657,421,000 -413,171,000 123,134,000 -29,723,000 987,427,000 67,931,000 100,195,000 26,798,000 717,748,000 139,410,000 101,229,000 24,064,000 607,391,000 47,959,000 33,286,000 -189,599,000 885,493,000 -38,070,000 61,575,000 -8,192,000 866,188,000 -15,437,000 -5,439,000 -20,080,000 863,435,000 7,929,000 -64,115,000 79,960,000 760,394,000 -28,741,000 33,890,000 -74,769,000 857,684,000 35,152,000 47,931,000 8,410,000 650,993,000 21,816,000 3,403,000 -6,362,000 557,846,000  -223,414,000 79,778,000 549,934,000  79,228,000 26,248,000 389,240,000  41,635,000 22,434,000 229,269,000  14,127,000 -5,498,000 200,903,000  12,867,000 20,410,000 117,374,000 -1,030,000 -94,511,000 197,159,000 11,106,000 83,418,000 69,906,000 25,013,000 -2,028,000 91,295,000 19,429,000 11,003,000 36,849,000 
          supplemental disclosure of cash flow information:
                                                                                             
          income taxes paid
        10,057,000 70,706,000 53,172,000 43,816,000 16,721,000 43,982,000 16,500,000 75,985,000 7,650,000 73,284,000 30,129,000 8,360,000 3,566,000 70,453,000 20,648,000 18,684,000 20,641,000 18,598,000 22,093,000 6,726,000 6,757,000 13,209,000 17,861,000 50,868,000 4,832,000 13,158,000 27,424,000 43,260,000 3,402,000 31,629,000 28,865,000 53,519,000 2,376,000 23,389,000 29,193,000 59,836,000 6,037,000 29,351,000 22,849,000 51,745,000 3,273,000 27,398,000 27,268,000 53,336,000 10,002,000 25,546,000 31,423,000 35,826,000 4,911,000 24,213,000 26,954,000 39,006,000 13,023,000 14,226,000 19,282,000 22,454,000 8,769,000 85,897,000 10,293,000 26,726,000 8,945,000                         
          interest paid
        9,931,000 10,671,000 12,418,000 12,053,000 11,939,000 12,274,000 11,948,000 11,241,000 10,606,000 8,652,000 5,894,000 3,672,000 2,626,000 2,425,000 2,697,000 3,068,000 2,956,000 1,956,000 1,573,000 2,784,000 5,628,000         36,000 162,000 1,000 31,000 64,000 292,000 435,000 11,000 587,000 22,000 10,000 203,000 220,000 210,000 1,000 24,000 571,000 140,000 235,000 920,000 363,000 452,000 401,000 553,000 415,000 489,000 442,000 562,000 830,000 1,146,000                         
          non-cash consideration in connection with acquisitions
            1,640,000                                                                                 
          acquisitions, net of cash acquired
           -11,125,000 -77,202,000 -120,584,000 -143,651,000 -983,000 -236,715,000 -4,915,000 -405,664,000 51,000 -94,409,000 -10,783,000 -472,134,000 -97,846,000 -2,348,000 -492,209,000 -9,664,000 -41,000,000 -244,323,000   -37,887,000 -20,134,000 -5,864,000     -5,225,000 -30,516,000 101,000 -10,477,000 -499,000 -84,119,000 -18,398,000    1,320,000                                    
          purchase of treasury stock
             -196,494,000 -50,000,000 -155,571,000 -98,686,000    -161,029,000 -14,260,000 -44,856,000 -77,014,000 -74,956,000 -117,831,000 -112,751,000 -122,939,000 -100,352,000 -93,047,000 -114,528,000 -86,076,000 -42,684,000 -95,162,000 -114,032,000 -3,089,000 -125,627,000 -125,180,000 -36,517,000   -42,675,000   -33,886,000   -12,704,000     -39,904,000     -5,542,000 -2,470,000             
          other financing activities
               -463,000 1,000 -51,000     -1,520,000 -1,617,000 -75,000                                                         
          supplemental disclosures of cash flow information:
                                                                                             
          non-cash and unpaid consideration in connection with acquisitions
                                                                                           
          gain on equity investment
                                                                                           
          principal payments on long-term debt
                       -75,000,000                         -26,574,000 -26,575,000 -26,574,000 -26,574,000 -10,630,000 -10,630,000 -10,629,000 -10,630,000 -5,315,000 -5,315,000 -5,315,000 -5,315,000 -35,000,000 -20,000,000 -6,620,000 -6,620,000 -33,342,000 -7,342,000 -21,000,000 -54,999,000 -47,697,000 -11,803,000 -15,197,000 -22,785,000 -16,156,000 -8,296,000 -21,865,000            
          depreciation and intangible assets amortization
              33,883,000 33,009,000 32,124,000  28,227,000 28,932,000 29,080,000  26,354,000 27,064,000 27,082,000  20,841,000 20,654,000 20,702,000  14,698,000                                                               
          net decrease in cash and cash equivalents
               -29,814,000 -106,702,000          100,195,000 26,798,000 -154,346,000  101,229,000                                                              -9,349,000 
          fair value of non-cash consideration in connection with acquisitions
                5,056,000                                                                             
          proceeds from long-term debt
                                                                                           
          fair value of unpaid consideration and common stock issued in connection with acquisitions
                                                                                             
          fair value of unpaid consideration in connection with acquisitions
                  168,000                                                                           
          fair value of common stock issued and unpaid consideration in connection with acquisitions
                                                                                             
          operating lease right-of-use assets amortization
                             4,547,000 4,942,000                                                               
          fair value of common stock issued as consideration in connection with acquisitions
                                                                                             
          contingent consideration payments
                                         -1,048,000   -3,086,000 -1,418,000                                       
          deferred income tax (benefit) expense
                                   -8,698,000 -3,245,000                    -885,000                            -150,000         
          fair value of stock options and restricted stock awards assumed in connection with acquisitions
                                                                                            
          deferred income tax expense
                                       -4,600,000 9,291,000   -5,294,000 8,676,000   -3,841,000 7,116,000    356,000        1,789,000   -2,177,000 3,038,000                             
          excess tax benefits from stock-based compensation
                                         -2,975,000 -2,410,000 -1,620,000 -2,148,000 -1,810,000 -663,000 -3,121,000 -2,582,000 -4,912,000 -3,774,000                                           
          construction-in-progress - leased facility
                                                                                             
          principal payments on capital leases
                                            -1,000  -5,000 -5,000 -5,000 -5,000 -5,000 -71,000 -10,000     -5,000 -9,000 -17,000 -15,000 -23,000 -32,000 -54,000 -76,000 -75,000 -78,000 -80,000 -44,000 -66,000 -116,000 -105,000 -125,000                   
          principal payments on long-term debt and capital leases
                                                                                             
          maturities of short-term investments
                                                 28,000 38,000 24,000 34,000 59,000 24,000 57,000 16,000 31,000 52,000 173,000 68,000 30,000 86,000 104,000 37,000 697,000 107,000 195,000 7,688,000 25,000 2,254,000 148,000 5,064,000 1,337,000 5,681,000 185,000 4,560,000 6,000 14,000 2,000 6,116,000 18,000,000 10,000,000 69,988,000 200,000 10,000,000   15,000,000 10,025,000 4,975,000 
          proceeds from issuance of common stock under employee stock purchase plan
                                                 2,018,000 1,611,000 1,713,000 1,274,000 1,330,000 1,116,000 -1,000 1,230,000 938,000 964,000 628,000 815,000 700,000 -1,000 994,000 727,000 -1,000 841,000 630,000 701,000 490,000 511,000 338,000 269,000 216,000 221,000 187,000 
          proceeds from exercise of stock options
                                                 16,600,000 10,545,000 5,588,000 6,961,000 7,374,000 9,730,000 3,983,000 12,920,000 12,711,000 5,555,000 5,641,000 8,053,000 7,963,000 2,271,000 6,385,000 6,172,000 9,869,000 1,839,000 3,744,000 7,477,000 8,594,000 3,444,000 2,466,000 857,000 2,724,000 2,383,000 1,334,000 1,141,000 897,000 2,528,000 1,364,000 1,697,000 1,946,000 638,000 1,698,000 1,780,000 1,227,000 1,387,000 1,852,000 1,490,000 779,000 2,147,000 2,970,000 1,189,000 
          change in construction-in-progress - leased facility
                                                                                             
          construction in progress - leased facility
                                                   5,845,000 5,582,000 6,914,000 4,964,000                                       
          excess tax benefits from stock options
                                                    -3,465,000 -1,232,000 -2,011,000 -1,961,000 -4,767,000 -5,987,000 -1,958,000 -2,071,000 -3,872,000 -3,016,000 -2,127,000 -3,191,000 -1,712,000 -3,952,000 -1,248,000 -2,947,000 -3,606,000 -6,691,000 -4,653,000 -1,569,000 -255,000 -628,000 -1,595,000 -1,280,000 -567,000 -1,300,000 -3,753,000 -3,561,000 1,208,000 1,721,000 682,000 1,964,000          
          acquisition, net of cash acquired
                                                                                             
          changes in operating assets and liabilities, net of acquisitions:
                                                                                             
          apache acquisition, net of cash acquired
                                                             267,000                                
          effect of exchange rate fluctuations
                                                                                             
          cash and cash equivalents, beginning of year
                                                                                             
          cash and cash equivalents, end of year
                                                                                             
          capital lease obligations incurred
                                                                                             
          utilization of acquired net operating income tax carryforward
                                                                     72,000   19,000 1,477,000 2,187,000 2,216,000 2,216,000 2,245,000             
          ansoft acquisition payments, net of cash acquired
                                                                        -12,000 -239,000                    
          loan commitment fees
                                                                         -4,227,000 -132,000 -250,000       -250,000          
          stock issued in acquisitions
                                                                                             
          cash paid during the year for:
                                                                                             
          income taxes
                                                                     14,962,000 15,828,000 22,126,000 5,943,000 5,879,000 16,609,000 23,608,000 12,163,000 3,678,000 8,021,000 17,649,000 7,168,000            676,000 
          interest
                                                                     1,487,000 1,944,000 2,605,000 2,606,000 4,039,000 2,800,000 399,000 847,000 1,226,000 1,470,000 1,733,000 1,878,000             
          supplemental disclosures of non-cash operating activities:
                                                                                             
          supplemental disclosures of non-cash investing activities:
                                                                                             
          capital lease obligations
                                                                     13,000            77,000            
          ansoft acquisition payments
                                                                                            
          other acquisition payments
                                                                                           
          cash paid during the period for:
                                                                                             
          in-process research and development
                                                                                             
          capitalization of internally developed software costs
                                                                             -101,000 -33,000   -21,000   -136,000 -127,000 -261,000 -196,000 -251,000 -103,000 
          fluent acquisition payments, net of cash acquired
                                                                                 -2,398,000            
          other acquisition payments, net of cash acquired
                                                                                 -973,000            
          principal payments on long-term capital leases
                                                                            -141,000 -160,000 -175,000 -186,000 -224,000 -256,000            
          loan issuance costs
                                                                                            
          write-off of in-process research and development
                                                                                             
          excess tax benefit from stock options
                                                                                -1,208,000             
          acquisition payments
                                                                                             
          other receivables and other assets
                                                                                             
          accounts payable, accrued expenses and liabilities
                                                                                 6,699,000 -4,309,000 -4,198,000 4,824,000 2,927,000 -3,377,000 2,892,000 1,728,000 -319,000 76,000 -1,719,000 -558,000 
          repurchase of common stock
                                                                                    -4,437,000         
          net (decrease)/increase in cash and cash equivalents
                                                                                 -1,030,000            
          cash paid during the period for interest
                                                                                 2,822,000            
          cash paid during the period for income taxes
                                                                                 5,080,000 9,336,000 7,308,000 2,175,000 4,550,000 3,384,000 1,006,000 2,104,000 1,224,000 1,011,000   
          acquisition payments, net of cash acquired
                                                                                   -6,925,000          
          net increase/(decrease) in cash and cash equivalents
                                                                                   20,993,000          
          acquisition of century dynamics, net of cash acquired
                                                                                    -16,000 -4,157,000       
          cash from financing activities
                                                                                      1,725,000 2,121,000 1,490,000 995,000    
          deferred income tax provision
                                                                                       258,000 425,000 -79,000 272,000 111,000 -74,000 
          loss on investment
                                                                                          636,000   
          other current assets
                                                                                       1,908,000 1,546,000 -2,639,000 1,105,000 2,873,000 -1,011,000 
          acquisition of cfx, net of cash acquired
                                                                                          -258,000 -21,489,000 
          purchase of long-term investment
                                                                                            
          effect of exchange rate changes on cash and cash equivalents
                                                                                             
          effect of exchange rate changes on cash
                                                                                        -291,000 246,000 457,000 -275,000 49,000 
          cash from investing activities
                                                                                            -22,242,000