7Baggers

Amdocs Limited
(NASDAQ:DOX) 

DOX stock logo

Amdocs Limited, through its subsidiaries, provides software and services to the communications, cable and satellite, entertainment, and media industry service providers worldwide. The company offers a line of services designed for various stages of a service provider's lifecycle, including planning,...

Founded: 1982
Full Time Employees: 25,875
Sector: Technology
Industry: Software-Infrastructure

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Quarterly
Annual
    Unit: USD2025-11-12 2025-09-30 2025-08-06 2025-06-30 2025-05-07 2025-03-31 2025-02-04 2024-12-31 2024-11-12 2024-09-30 2024-06-30 2024-03-31 2017-08-02 2017-05-09 2017-03-31 2017-02-01 2016-12-31 2016-11-08 2016-09-30 2016-07-26 2016-06-30 2016-05-04 2016-03-31 2016-02-16 2016-02-02 2015-11-10 2015-09-30 2015-07-29 2015-06-30 2015-04-29 2015-03-31 2015-01-27 2014-12-31 2014-11-04 2014-09-30 2014-07-28 2014-06-30 2014-04-30 2014-03-31 2014-01-29 2013-12-31 2013-11-05 2013-09-30 2013-07-31 2013-06-30 2013-04-30 2013-03-31 2013-01-30 2012-12-31 2012-11-06 2012-09-30 2012-08-01 2012-06-30 2012-05-01 2012-03-31 2012-02-01 2011-12-31 2011-11-08 2011-09-30 2011-07-27 2011-06-30 2011-04-28 2011-03-31 2011-01-25 2010-12-31 2010-11-02 2010-09-30 2010-07-21 2010-06-30 2010-04-22 2010-03-31 2010-01-20 2009-12-31 2009-11-04 2009-09-30 2009-07-22 2009-06-30 2009-04-22 2009-03-31 2008-12-31 2008-11-05 2008-09-30 2008-07-23 2008-06-30 2008-04-17 
                                                                                         
      revenue
    1,150,218,000 1,263,882,000 1,250,059,000 1,250,059,000 1,245,849,000 1,245,849,000 1,110,055,000 1,110,055,000 1,263,882,000 1,263,882,000 1,250,059,000 1,245,849,000 966,695,000 966,009,000 966,009,000 954,727,000 954,727,000 940,656,000 940,656,000 930,133,000 930,133,000 925,935,000 925,935,000 921,505,000 921,505,000 926,776,000 926,776,000 907,897,000 907,897,000 902,578,000 902,578,000 906,287,000 906,287,000                                                     
      yoy
    -7.68% 1.45% 12.61% 12.61% -1.43% -1.43% -11.20% -10.90% 30.74% 30.84% 29.40% 30.49% 1.25% 2.70% 2.70% 2.64% 2.64% 1.59% 1.59% 0.94% 0.94% -0.09% -0.09% 1.50% 1.50% 2.68% 2.68% 0.18% 0.18%                                                         
      qoq
    -8.99% 1.11% 0.00% 0.34% 0.00% 12.23% 0.00% -12.17% 0.00% 1.11% 0.34% 28.88% 0.07% 0.00% 1.18% 0.00% 1.50% 0.00% 1.13% 0.00% 0.45% 0.00% 0.48% 0.00% -0.57% 0.00% 2.08% 0.00% 0.59% 0.00% -0.41% 0.00%                                                      
      operating expenses:
                                                                                         
      cost of revenue
    719,878,000 824,888,000 809,970,000 809,970,000 801,996,000 801,996,000 682,259,000 682,259,000 824,888,000 824,888,000 809,970,000 801,996,000 628,640,000 621,737,000 621,737,000 620,834,000 620,834,000 611,107,000 611,107,000 601,249,000 601,249,000 600,116,000 600,116,000 595,568,000 595,568,000 603,105,000 603,105,000 592,366,000 592,366,000 580,571,000 580,571,000 573,446,000 573,446,000                                                     
      research and development
    87,865,000 90,069,000 90,368,000 90,368,000 91,154,000 91,154,000 84,333,000 84,333,000 90,069,000 90,069,000 90,368,000 91,154,000 67,118,000 67,303,000 67,303,000 59,990,000 59,990,000 61,043,000 61,043,000 65,051,000 65,051,000 63,711,000 63,711,000 62,487,000 62,487,000 65,900,000 65,900,000 62,598,000 62,598,000 62,805,000 62,805,000 63,641,000 63,641,000 67,604,000 67,604,000 64,863,000 64,863,000 63,104,000 63,104,000 62,325,000 62,325,000 61,264,000 61,264,000 59,583,000 59,583,000 60,059,000 60,059,000 59,360,000 59,360,000 61,548,000 61,548,000 58,858,000 58,858,000 60,350,000 60,350,000 61,307,000 61,307,000  221,831,586  54,414,000 53,536,000 53,536,000 54,992 54,992,000 54,287,000 54,287,000 52,253,000 52,253 51,190,000 51,190 50,106,000 50,106,000 50,274,000 50,274,000 51,134,000 51,134,000 52,750,000 52,750,000 56,229,000 57,252,000 57,252,000 56,137,000 56,137,000 56,088,000 
      selling, general and administrative
    121,807,000 138,705,000 144,027,000 144,027,000 147,609,000 147,609,000 122,087,000 122,087,000 138,705,000 138,705,000 144,027,000 147,609,000 113,997,000 114,465,000 114,465,000 124,079,000 124,079,000 117,030,000 117,030,000 113,831,000 113,831,000 114,474,000 114,474,000 119,548,000 119,548,000 111,191,000 111,191,000 108,128,000 108,128,000 107,186,000 107,186,000 113,580,000 113,580,000 110,056,000 110,056,000 112,681,000 112,681,000 110,438,000 110,438,000 111,959,000 111,959,000 105,035,000 105,035,000 103,396,000 103,396,000 102,683,000 102,683,000 107,460,000 107,460,000 104,814,000 104,814,000 106,678,000 106,678,000 106,842,000 106,842,000 106,337,000 106,337,000  409,362,685  102,315,000 99,064,000 99,064,000 104,357 104,357,000 96,531,000 96,531,000 93,446,000 93,446 92,028,000 92,028 91,580,000 91,580,000 88,030,000 88,030,000 81,732,000 81,732,000 84,308,000 84,308,000 90,265,000 103,171,000 103,171,000 104,632,000 104,632,000 98,666,000 
      amortization of purchased intangible assets and other
    14,287,000 14,333,000 15,111,000 15,111,000 16,198,000 16,198,000 15,759,000 15,759,000 14,333,000 14,333,000 15,111,000 16,198,000 27,028,000 28,723,000 28,723,000 28,231,000 28,231,000 32,979,000 32,979,000 25,040,000 25,040,000 27,487,000 27,487,000 24,367,000 24,367,000 23,880,000 23,880,000 18,078,000 18,078,000 14,016,000 14,016,000 14,099,000 14,099,000 14,893,000 14,893,000 15,326,000 15,326,000 16,180,000 16,180,000 11,668,000 11,668,000 10,052,000 10,052,000 8,520,000 8,520,000 8,605,000 8,605,000 11,233,000 11,233,000 12,726,000 12,726,000 12,977,000 12,977,000 13,320,000 13,320,000 13,206,000 13,206,000  72,628,735  17,265,000 16,343,000 16,343,000 19,410 19,410,000 22,197,000 22,197,000 21,748,000 21,748 21,439,000 21,439               
      restructuring charges
    73,756,000 83,213,000 14,715,000 14,715,000 33,160,000 33,160,000 6,783,000 6,783,000 83,213,000 83,213,000 14,715,000 33,160,000              13,000,000                                                            
      operating income
    132,625,000 112,674,000 175,868,000 175,868,000 155,732,000 155,732,000 198,834,000 198,834,000 112,674,000 112,674,000 175,868,000 155,732,000 129,912,000 133,781,000 133,781,000 121,593,000 121,593,000 118,497,000 118,497,000 124,962,000 124,962,000 120,147,000 120,147,000 119,535,000 119,535,000 109,700,000 109,700,000 126,727,000 126,727,000 138,000,000 138,000,000 141,521,000 141,521,000 126,107,000 126,107,000 125,003,000 125,003,000 123,848,000 123,848,000 120,690,000 120,690,000 122,876,000 122,876,000 123,164,000 123,164,000 122,855,000 122,855,000 112,657,000 112,657,000 113,501,000 113,501,000 110,051,000 110,051,000 109,872,000 109,872,000 109,048,000 109,048,000  404,258,328  105,672,000 106,556,000 106,556,000 87,584 87,584,000 102,888,000 102,888,000 105,269,000 105,269 103,127,000 103,127 99,149,000 99,149,000 96,845,000 96,845,000 93,246,000 93,246,000 95,959,000 95,959,000 81,269,000 101,463,000 101,463,000 105,951,000 105,951,000 102,880,000 
      yoy
    -14.84% -27.65% -11.55% -11.55% 38.21% 38.21% 13.06% 27.68% -13.27% -15.78% 31.46% 28.08% 6.84% 12.90% 12.90% -2.70% -2.70% -1.37% -1.37% 4.54% 4.54% 9.52% 9.52% -5.68% -5.68% -20.51% -20.51% -10.45% -10.45% 9.43% 9.43% 13.21% 13.21% 1.82% 1.82% 3.57% 3.57% 0.79% 0.79% -2.01% -2.01% 0.02% 0.02% 9.33% 9.33% 8.24% 8.24% 2.37% 2.37% 3.30% 3.30% 0.92% 0.92%  -72.82%  3.19%  279.39%  20.65% 3.57% 3.57% -99.92% 83100.18% -0.23% 99668.25% 6.17% -99.89% 6.49% -99.89% 6.33% 6.33% 0.92% 0.92% 14.74% -8.10% -5.42% -9.43% -23.30% -1.38%     
      qoq
    17.71% -35.93% 0.00% 12.93% 0.00% -21.68% 0.00% 76.47% 0.00% -35.93% 12.93% 19.87% -2.89% 0.00% 10.02% 0.00% 2.61% 0.00% -5.17% 0.00% 4.01% 0.00% 0.51% 0.00% 8.97% 0.00% -13.44% 0.00% -8.17% 0.00% -2.49% 0.00% 12.22% 0.00% 0.88% 0.00% 0.93% 0.00% 2.62% 0.00% -1.78% 0.00% -0.23% 0.00% 0.25% 0.00% 9.05% 0.00% -0.74% 0.00% 3.13% 0.00% 0.16% 0.00% 0.76% 0.00%     -0.83% 0.00% 121561.49% -99.90% -14.87% 0.00% -2.26% 99900.00% -99.90% 99900.00% -99.90% 0.00% 2.38% 0.00% 3.86% 0.00% -2.83% 0.00% 18.08% -19.90% 0.00% -4.24% 0.00% 2.99%  
      operating margin %
    11.53% 8.91% 14.07% 14.07% 12.50% 12.50% 17.91% 17.91% 8.91% 8.91% 14.07% 12.50% 13.44% 13.85% 13.85% 12.74% 12.74% 12.60% 12.60% 13.43% 13.43% 12.98% 12.98% 12.97% 12.97% 11.84% 11.84% 13.96% 13.96% 15.29% 15.29% 15.62% 15.62% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% NaN% Infinity% NaN% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      interest and other income
    -11,843,000            1,152,000 -468,000 -468,000 2,763,000 2,763,000 649,000 649,000 1,113,000 1,113,000 1,460,000 1,460,000 -1,665,000 -1,665,000 1,375,000 1,375,000 1,044,000 1,044,000 1,669,000 1,669,000 1,544,000 1,544,000 2,038,000 2,038,000 748,000 748,000 1,908,000 1,908,000 1,404,000 1,404,000 -1,484,000 1,484,000 2,726,000 2,726,000 -1,757,000 -1,757,000 108,000 108,000 116,000 -116,000 2,737,000 2,737,000 5,286,000 5,286,000 3,613,000 3,613,000  8,656,816  184,000 49,000 49,000 3,117 3,117,000 2,109,000 2,109,000 -3,768,000 -3,768                 
      income before income taxes
    120,782,000 103,437,000 168,996,000 168,996,000 144,082,000 144,082,000 192,425,000 192,425,000 103,437,000 103,437,000 168,996,000 144,082,000 131,064,000 133,313,000 133,313,000 118,830,000 118,830,000 119,146,000 119,146,000 126,075,000 126,075,000 121,607,000 121,607,000 117,870,000 117,870,000 108,325,000 108,325,000 125,683,000 125,683,000 136,331,000 136,331,000 143,065,000 143,065,000 124,069,000 124,069,000 124,255,000 124,255,000 121,940,000 121,940,000 119,286,000 119,286,000 121,392,000 121,392,000 120,438,000 120,438,000 121,098,000 121,098,000 112,549,000 112,549,000 113,617,000 113,617,000 107,314,000 107,314,000 115,158,000 115,158,000 105,435,000 105,435,000  395,601,512  105,488,000 106,605,000 106,605,000 84,467 84,467,000 104,997,000 104,997,000 101,501,000 101,501 80,366,000 80,366 98,434,000 98,434,000 96,694,000 96,694,000 95,760,000 95,760,000 90,196,000 90,196,000 83,504,000 89,621,000 89,621,000 112,110,000 112,110,000 111,702,000 
      income taxes
    23,668,000 16,261,000 27,998,000 27,998,000 24,657,000 24,657,000  40,573,000 16,261,000 16,261,000 27,998,000 24,657,000 11,800,000 20,753,000 20,753,000 21,037,000 21,037,000 23,437,000 23,437,000 21,015,000 21,015,000 13,887,000 13,887,000 17,028,000 17,028,000 17,195,000 17,195,000 17,901,000 17,901,000 20,070,000 20,070,000 12,075,000 12,075,000 23,566,000 23,566,000 14,428,000 14,428,000 11,583,000 11,583,000 17,851,000 17,851,000 32,438,000 32,438,000 880,000 880,000 16,186,000 16,186,000 13,534,000 13,534,000 15,596,000 15,596,000 8,565,000 8,565,000 13,288,000 13,288,000 12,704,000 12,704,000  49,028,297  13,703,000 12,495,000 12,495,000 11,076 11,076,000 10,259,000 10,259,000 9,236,000 9,236 11,816,000 11,816 10,081,000 10,081,000 10,943,000 10,943,000 10,212,000 10,212,000 9,566,000 9,566,000 9,257,000 6,910,000 6,910,000 11,438,000 11,438,000 11,843,000 
      net income
    97,114,000 87,176,000 140,998,000 140,998,000 119,425,000 119,425,000 151,852,000 151,852,000 87,176,000 87,176,000 140,998,000 119,425,000 119,264,000 112,560,000 112,560,000 97,793,000 97,793,000 95,709,000 95,709,000 105,060,000 105,060,000 107,720,000 107,720,000 100,842,000 100,842,000 91,130,000 91,130,000 107,782,000 107,782,000 116,261,000 116,261,000 130,990,000 130,990,000 100,503,000 100,503,000 109,827,000 109,827,000 110,357,000 110,357,000 101,435,000 101,435,000 88,954,000 88,954,000 119,558,000 119,558,000 104,912,000 104,912,000 99,015,000 99,015,000 98,021,000 98,021,000 98,749,000 98,749,000 101,870,000 101,870,000 92,731,000 92,731,000  346,573,215  91,785,000 94,110,000 94,110,000 73,391 73,391,000 94,738,000 94,738,000 92,265,000 92,265 68,550,000 68,550 88,353,000 88,353,000 85,751,000 85,751,000 85,548,000 85,548,000 80,630,000 80,630,000 74,247,000 82,711,000 82,711,000 100,672,000 100,672,000 99,859,000 
      yoy
    -18.68% -27.00% -7.15% -7.15% 36.99% 36.99% 7.70% 27.15% -26.91% -22.55% 25.26% 22.12% 21.96% 17.61% 17.61% -6.92% -6.92% -11.15% -11.15% 4.18% 4.18% 18.20% 18.20% -6.44% -6.44% -21.62% -21.62% -17.72% -17.72% 15.68% 15.68% 19.27% 19.27% -8.93% -8.93% 8.27% 8.27% 24.06% 24.06% -15.16% -15.16% -15.21% -15.21% 20.75% 20.75% 7.03% 7.03% 0.27% 0.27% -3.78% -3.78% 6.49% 6.49%  -70.61%  1.03%  268.26%  25.06% -0.66% -0.66% -99.92% 79443.71% 38.20% 138102.77% 4.43% -99.90% -20.06% -99.92% 3.28% 3.28% 6.35% 6.35% 15.22% 3.43% -2.52% -19.91% -26.25% -17.17%     
      qoq
    11.40% -38.17% 0.00% 18.06% 0.00% -21.35% 0.00% 74.19% 0.00% -38.17% 18.06% 0.13% 5.96% 0.00% 15.10% 0.00% 2.18% 0.00% -8.90% 0.00% -2.47% 0.00% 6.82% 0.00% 10.66% 0.00% -15.45% 0.00% -7.29% 0.00% -11.24% 0.00% 30.33% 0.00% -8.49% 0.00% -0.48% 0.00% 8.80% 0.00% 14.03% 0.00% -25.60% 0.00% 13.96% 0.00% 5.96% 0.00% 1.01% 0.00% -0.74% 0.00% -3.06% 0.00% 9.86% 0.00%     -2.47% 0.00% 128130.98% -99.90% -22.53% 0.00% 2.68% 99900.00% -99.87% 99900.00% -99.92% 0.00% 3.03% 0.00% 0.24% 0.00% 6.10% 0.00% 8.60% -10.23% 0.00% -17.84% 0.00% 0.81%  
      net income margin %
    8.44% 6.90% 11.28% 11.28% 9.59% 9.59% 13.68% 13.68% 6.90% 6.90% 11.28% 9.59% 12.34% 11.65% 11.65% 10.24% 10.24% 10.17% 10.17% 11.30% 11.30% 11.63% 11.63% 10.94% 10.94% 9.83% 9.83% 11.87% 11.87% 12.88% 12.88% 14.45% 14.45% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% NaN% Infinity% NaN% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      net income attributable to noncontrolling interests
    787,000 735,000 709,000 709,000 923,000 923,000 719,000 719,000 735,000 735,000 709,000 923,000                                                                          
      net income attributable to amdocs limited
    96,327,000 86,441,000 140,289,000 140,289,000 118,502,000 118,502,000 151,133,000 151,133,000 86,441,000 86,441,000 140,289,000 118,502,000                                                                          
      basic earnings per share attributable to amdocs limited
    0.88 0.77 1.22 1.22 1.02 1.02 1.34 1.34 0.76 0.77 1.22 1.02                                                                          
      diluted earnings per share attributable to amdocs limited
    0.88 0.77 1.21 1.21 1.01 1.01 1.33 1.33 0.76 0.77 1.21 1.01                                                                          
      basic weighted-average number of shares outstanding
    109,279  114,973  116,404  112,745  113,745    145,904 146,595  146,817  147,281  148,844  149,924   150,631 152,601  154,101 154,101 155,106 155,106 155,897 155,897 157,346 159,012 159,257 159,257 159,812 159,812 159,659 159,659 161,268 161,330 160,914 160,914 160,955 160,955 162,176 162,176 163,468 168,275 167,194 167,194 169,739 169,739 172,712 172,712  185,213  183,273 187,788 187,788 191,599 191,599 195,189 202,584 203,786 203,786 206,025 206,025 205,430 205,430 203,587 202,867 202,750 202,750 202,671 202,671 202,454 205,164 206,590 206,329 206,329 206,759 
      diluted weighted-average number of shares outstanding
    109,853  115,548  117,125  113,439  114,378    147,259 147,954  148,382  148,984  150,726  151,948   153,053 155,201  156,581 156,581 157,357 157,357 158,110 158,110 159,667 161,366 161,725 161,725 162,251 162,251 161,845 161,845 163,326 163,118 162,667 162,667 162,884 162,884 163,587 163,587 164,689 169,437 168,290 168,290 170,971 170,971 173,812 173,812  186,559  184,682 189,232 189,232 192,969 192,969 196,487 204,076 205,471 205,471 207,691 207,691 206,656 206,656 204,883 207,606 203,515 203,515 209,755 209,755 212,271 217,479 219,606 219,120 219,120 219,786 
      cash dividends declared per share
    0.527        0.479    0.22 0.22  0.195  0.195 0.14 0.195  0.195   0.17 0.17 0.124 0.17  0.17  0.155  0.155 0.11 0.155  0.155  0.13  0.13 0.098 0.13  0.13  0.13  0.13                                    
      interest and other expense
     -9,237,000 -6,872,000 -6,872,000 -11,650,000 -11,650,000 -6,409,000 -6,409,000 -9,237,000 -9,237,000 -6,872,000 -11,650,000                                                                          
      cash dividends declared per ordinary share
     0.348 0.479 0.479 0.479 0.479 0.479 0.479  0.348 0.479 0.479   0.22  0.195    0.195  0.195 0.17     0.17  0.17  0.155    0.155  0.155  0.13    0.13  0.13  0.13                                     
      income tax expense
          40,573,000                                                                               
      basic earnings per share
                0.82 0.77 0.77 0.67 0.67 0.65 0.65 0.71 0.71 0.72 0.72 0.67 0.67 0.6 0.6 0.7 0.7 0.75 0.75 0.84 0.84 0.64 0.63 0.69 0.69 0.69 0.69 0.64 0.64 0.55 0.56 0.74 0.74 0.65 0.65 0.61 0.61 0.6 0.6 0.59 0.59 0.6 0.6 0.54 0.54  1.37  0.5 0.5 0.5 0.38 0.38 0.49 0.49 0.45 0.45 0.33 0.33 0.43 0.43 0.42 0.42 0.42 0.42 0.4 0.4 0.37 0.4 0.4 0.49 0.49 0.48 
      diluted earnings per share
                0.81 0.76 0.76 0.66 0.66 0.64 0.65 0.7 0.7 0.71 0.71 0.66 0.66 0.59 0.59 0.69 0.69 0.74 0.74 0.83 0.83 0.63 0.63 0.68 0.68 0.68 0.68 0.63 0.63 0.54 0.55 0.73 0.73 0.64 0.64 0.61 0.61 0.6 0.59 0.59 0.59 0.6 0.6 0.53 0.53  1.36  0.5 0.5 0.5 0.38 0.38 0.48 0.48 0.45 0.45 0.33 0.33 0.43 0.43 0.42 0.42 0.42 0.42 0.39 0.39 0.35 0.38 0.38 0.46 0.46 0.46 
      revenue:
                                                                                         
      license
                                     26,551,000 26,551,000 11,861,000 11,861,000 26,177,000 26,177,000 27,209,000 27,209,000 22,180,000 22,180,000 18,616,000 18,616,000 21,901,000 21,901,000 18,916,000 18,916,000 23,966,000 23,966,000 34,443,000 34,443,000 26,238,000 26,238,000 35,796,000 35,796,000  119,207,907  29,093,000 28,695,000 28,695,000 29,906 29,906,000 25,276,000 25,276,000 25,592,000 25,592 25,949,000 25,949 24,150,000 24,150,000 27,267,000 27,267,000 26,075,000 26,075,000 37,203,000 37,203,000 44,601,000 41,917,000 41,917,000 35,244,000 35,244,000 32,109,000 
      service
                                     873,710,000 873,710,000 890,616,000 890,616,000 870,677,000 870,677,000 836,836,000 836,836,000 823,045,000 823,045,000 822,716,000 822,716,000 811,037,000 811,037,000 807,443,000 807,443,000 798,162,000 798,162,000 774,394,000 774,394,000 782,690,000 782,690,000 771,214,000 771,214,000  3,057,718,684  772,316,000 760,240,000 760,240,000 745,275 745,275,000 736,918,000 736,918,000 727,657,000 727,657 718,020,000 718,020 700,661,000 700,661,000 680,152,000 680,152,000 664,190,000 664,190,000 673,881,000 673,881,000 709,238,000 783,360,000 783,360,000 785,044,000 785,044,000 742,172,000 
      cost of license
                                     533,000 533,000 639,000 639,000 826,000 826,000 770,000 770,000 763,000 763,000 561,000 561,000 642,000 642,000 636,000 636,000 541,000 541,000 1,056,000 1,056,000 995,000 995,000 931,000 931,000  2,626,370  630,000 198,000 198,000 700 700,000 375,000 375,000 459,000 459 745,000 745 442,000 442,000 589,000 589,000 537,000 537,000 569,000 569,000 991,000 462,000 462,000 555,000 555,000 938,000 
      cost of service
                                     581,068,000 581,068,000 583,965,000 583,965,000 582,458,000 582,458,000 556,633,000 556,633,000 545,235,000 545,235,000 546,108,000 546,108,000 538,094,000 538,094,000 535,013,000 535,013,000 528,998,000 528,998,000 519,217,000 519,217,000 517,549,000 517,549,000 516,181,000 516,181,000  2,066,218,887  521,113,000 513,238,000 513,238,000 508,138 508,138,000 485,916,000 485,916,000 480,074,000 480,074 475,440,000 475,440 462,215,000 462,215,000 450,122,000 450,122,000 441,777,000 441,777,000 455,997,000 455,997,000 484,051,000 530,428,000 530,428,000 528,437,000 528,437,000 493,956,000 
      restructuring charges and in-process research and development
                                                                              5,195,000     20,780,000      
      interest expense and other
                                                                         22,761,000 22,761               
      amortization of purchased intangible assets
                                                                           21,319,000 21,319,000 21,559,000 21,559,000 21,839,000 21,839,000 21,501,000 21,501,000 20,254,000 20,385,000 20,385,000 22,796,000 22,796,000 21,753,000 
      interest income and other
                                                                           -715,000 -715,000 -151,000 -151,000 2,514,000 2,514,000 -5,763,000 -5,763,000 2,235,000 -11,842,000 -11,842,000 6,159,000 6,159,000 8,822,000 
      restructuring charges, in-process research and development and other
                                                                                    12,116,000 445,000 1,780,000 1,780,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-08-06 2025-06-30 2025-05-07 2025-03-31 2024-12-31 2024-11-12 2024-06-30 2024-03-31 2020-06-30 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 
                                                      
        assets
                                                      
        current assets:
                                                      
        cash and cash equivalents
      324,999,000 267,312,000 267,312,000 247,390,000 247,390,000 213,833,000 346,085,000 317,989,000 342,915,000 1,194,043,000    768,660,000 801,187,000   1,035,573,000    1,103,269,000     786,777,000 661,788,000 640,775,000   572,258,000    812,612,000  1,036,195,000 671,154,000 789,534,000 776,784,000    623,261,000  687,233,000  
        short-term interest-bearing investments
       75,154,000 75,154,000 76,358,000 76,358,000 135,175,000 168,242,000 184,182,000 201,441,000     327,063,000 323,751,000   318,439,000    321,196,000     303,922,000 316,369,000 320,549,000   323,289,000    343,900,000  397,104,000 618,785,000 571,965,000 515,366,000    656,566,000  493,172,000  
        accounts receivable, net, including unbilled
      935,751,000 956,558,000  957,865,000   1,028,357,000                                          
        prepaid expenses and other current assets
      331,387,000 352,821,000 352,821,000 279,656,000 279,656,000 266,861,000 228,498,000 242,797,000 223,180,000 252,711,000 228,611,000 223,838,000 193,716,000 186,137,000 188,837,000 202,144,000 183,847,000 116,159,000 130,957,000 134,865,000 129,713,000 135,326,000 146,917,000 160,939,000 182,395,000 151,595,000 162,737,000 166,347,000 151,800,000 126,388,000 137,449,000 145,468,000 127,059,000 127,341,000 126,156,000 145,278,000 156,720,000 112,417,000 84,449,000 90,317,000 112,169,000 126,704,000 95,224,000 96,371,000 104,506,000 102,930 104,050,000 113,463 
        total current assets
      1,592,137,000 1,651,845,000 1,651,845,000 1,561,269,000 1,561,269,000 1,606,728,000 1,771,182,000 1,763,769,000 1,806,976,000 2,399,297,000 2,085,036,000 2,217,923,000 1,996,040,000 2,100,391,000 2,051,838,000 2,107,610,000 2,097,762,000 2,378,162,000 2,455,014,000 2,325,188,000 2,240,825,000 2,423,974,000 2,233,958,000 2,177,200,000 2,236,710,000 2,282,074,000 2,045,579,000 1,937,463,000 1,920,073,000 2,041,070,000 1,818,679,000 1,751,575,000 1,749,084,000 1,979,320,000 1,970,905,000 1,995,249,000 2,094,105,000 2,251,799,000 1,992,726,000 2,055,374,000 2,022,609,000 1,872,558,000 1,989,926,000 2,036,755,000 2,018,233,000 2,005,587 1,971,727,000 1,972,722 
        property and equipment
      768,557,000 767,083,000 767,083,000 726,701,000 726,701,000 734,400,000 755,601,000 758,435,000 766,123,000 573,948,000                                       
        lease assets
      182,088,000 194,216,000 194,216,000 148,145,000 148,145,000 155,485,000 149,254,000 162,573,000 162,745,000 304,501,000                                       
        goodwill and other intangible assets
      3,046,962,000 3,043,588,000  3,055,754,000   3,005,637,000   2,652,325,000 2,395,253,000 2,423,886,000 2,453,428,000   2,269,272,000 2,269,297,000  2,071,678,000 2,085,788,000 2,100,219,000  2,127,360,000 2,140,208,000 1,972,777,000 1,975,060,000    1,883,064,000 1,896,093,000  1,921,481,000 1,933,154,000 1,804,176,000  1,836,722,000     1,766,761,000 1,790,572,000 1,809,335,000  1,796,922  1,772,346 
        other noncurrent assets
      660,086,000 675,496,000 675,496,000 712,685,000 712,685,000 730,217,000 704,468,000 691,695,000 644,946,000 454,284,000 476,537,000 442,633,000 414,599,000 406,070,000 263,819,000 402,922,000 381,328,000 335,560,000 355,452,000 347,517,000 348,735,000 266,621,000 393,417,000 385,004,000 382,065,000 393,135,000 287,451,000 308,217,000 320,086,000 443,182,000 463,261,000 339,538,000 488,629,000 465,696,000 486,694,000 364,408,000 465,614,000 321,951,000 313,761,000 294,629,000 285,155,000 409,439,000 439,104,000 426,361,000 255,645,000 459,473 292,278,000 464,047 
        total assets
      6,249,830,000 6,332,228,000 6,332,228,000 6,204,554,000 6,204,554,000 6,293,741,000 6,386,142,000 6,396,242,000 6,404,644,000 6,384,355,000 5,293,617,000 5,415,965,000 5,189,342,000 5,331,355,000 4,997,759,000 5,091,527,000 5,053,605,000 5,324,652,000 5,168,327,000 5,043,895,000 4,974,012,000 5,185,277,000 5,030,836,000 4,979,510,000 4,857,956,000 4,925,813,000 4,560,819,000 4,493,677,000 4,497,599,000 4,645,223,000 4,439,918,000 4,400,527,000 4,407,241,000 4,636,572,000 4,505,347,000 4,542,656,000 4,647,343,000 4,820,604,000 4,570,765,000 4,626,933,000 4,526,096,000 4,328,417,000 4,498,849,000 4,564,712,000 4,594,343,000 4,579,063 4,563,991,000 4,505,403 
        liabilities and shareholders’ equity
                                                      
        current liabilities
                                                      
        accounts payable, accruals and other
      1,201,206,000 1,183,002,000  1,162,117,000   1,315,679,000   1,020,404,000 1,053,303,000 1,001,456,000 1,053,622,000   936,417,000 978,461,000  850,533,000 800,848,000 790,410,000  720,300,000 739,928,000 716,709,000 683,768,000    690,823,000 660,759,000  640,259,000  562,237,000  614,148,000     415,371,000       
        lease liabilities
      38,725,000 39,772,000 39,772,000 38,804,000 38,804,000 38,625,000 39,983,000 40,077,000 39,514,000 62,549,000                                       
        deferred revenue
      118,861,000 128,378,000 128,378,000 139,640,000 139,640,000 116,114,000 115,247,000 133,236,000 127,441,000 124,004,000 123,866,000 149,537,000 167,779,000 173,331,000 152,513,000 205,786,000 190,344,000 198,470,000 174,425,000 185,234,000 149,027,000 156,743,000 212,691,000 172,333,000 173,284,000 151,112,000 133,060,000 160,681,000 140,082,000 145,184,000 180,496,000 137,029,000 151,347,000 151,423,000 181,237,000 210,437,000 216,258,000 184,481,000 167,209,000 189,489,000 214,091,000 186,158,000 185,097,000 155,553,000 150,368,000 197,851 188,336,000 209,226 
        total current liabilities
      1,358,792,000 1,351,152,000 1,351,152,000 1,340,561,000 1,340,561,000 1,384,832,000 1,470,909,000 1,422,274,000 1,369,472,000 1,306,957,000 1,177,169,000 1,350,993,000 1,221,401,000 1,366,010,000 1,092,123,000 1,142,203,000 1,168,805,000 1,363,503,000 1,101,392,000 1,049,715,000 1,001,393,000 1,200,747,000 1,003,215,000 964,790,000 940,841,000 1,074,256,000 773,817,000 781,358,000 843,821,000 1,065,558,000 871,593,000 761,501,000 813,656,000 1,011,206,000 760,784,000 769,024,000 846,863,000 1,024,147,000 724,725,000 666,453,000 667,362,000 610,867,000 640,025,000 716,395,000 803,416,000 830,024 814,384,000 828,723 
        long-term debt
      646,901,000 646,746,000 646,746,000 646,593,000 646,593,000 646,444,000 646,291,000 646,140,000 645,991,000 643,798,000                                       
        other noncurrent liabilities
      632,681,000 636,783,000 417,145,000 612,836,000 404,313,000 441,067,000 666,303,000 476,011,000 480,613,000 552,734,000 534,759,000 512,056,000 497,455,000 284,685,000 255,835,000 474,341,000 458,216,000 248,322,000 550,634,000 540,856,000 553,719,000 277,560,000 598,160,000 604,962,000 584,103,000 576,774,000 260,567,000 252,723,000 250,212,000 546,463,000 554,461,000 280,140,000 603,268,000 602,065,000 604,289,000 300,497,000 581,508,000 273,354,000 260,829,000 269,093,000         
        total amdocs limited shareholders’ equity
      3,429,453,000 3,503,473,000  3,460,757,000   3,456,976,000   3,604,658,000                                       
        noncontrolling interests
      41,227,000 41,956,000 41,956,000 41,469,000 41,469,000 41,597,000 42,201,000 42,358,000 43,109,000 42,509,000                                       
        total equity
      3,470,680,000 3,545,429,000 3,545,429,000 3,502,226,000 3,502,226,000 3,505,860,000 3,499,177,000 3,546,820,000 3,587,521,000 3,647,167,000                                       
        total liabilities and equity
      6,249,830,000 6,332,228,000 6,332,228,000 6,204,554,000 6,204,554,000 6,293,741,000 6,386,142,000 6,396,242,000 6,404,644,000 6,384,355,000                                       
        accounts receivable
        956,558,000  957,865,000 990,859,000  1,018,801,000 1,039,440,000     818,531,000 738,063,000   714,784,000    715,837,000     667,748,000 669,531,000 682,268,000   612,373,000    569,277,000  580,000,000 506,778,000 484,764,000 486,783,000    539,968,000  588,667,000  
        goodwill
        2,886,655,000  2,884,617,000 2,879,758,000  2,844,908,000 2,834,553,000     2,211,639,000 2,055,074,000   2,049,093,000    1,925,225,000     1,741,786,000 1,741,786,000 1,741,786,000   1,741,786,000    1,637,416,000  1,637,416,000 1,641,081,000 1,630,028,000 1,581,862,000    1,541,562,000  1,505,505,000  
        intangible assets
        156,933,000  171,137,000 187,153,000  174,862,000 189,301,000     281,527,000 196,117,000   252,517,000    181,227,000     112,649,000 121,019,000 129,880,000   167,312,000    182,773,000  218,762,000 236,129,000 253,737,000 238,885,000    289,887,000  289,388,000  
        liabilities and equity
                                                      
        current liabilities:
                                                      
        accounts payable
        407,100,000  346,171,000 320,786,000  338,214,000 312,022,000     136,675,000 139,542,000   111,974,000    142,627,000     114,709,000 121,841,000 152,181,000   151,485,000    147,981,000  168,321,000 139,401,000 92,418,000 99,403,000    183,736,000  182,361,000  
        accrued expenses and other current liabilities
        627,301,000  661,096,000 674,887,000  735,713,000 740,181,000     611,705,000 576,054,000   535,349,000    422,291,000     275,042,000 279,095,000 306,765,000   275,464,000    230,418,000  250,455,000 207,154,000 203,530,000 169,107,000    218,354,000  206,796,000  
        accrued personnel costs
        148,601,000  154,850,000 234,420,000  175,034,000 150,314,000     244,299,000 224,014,000   224,232,000    220,630,000     212,948,000 186,615,000 221,963,000   171,317,000    165,202,000  202,773,000 191,583,000 167,509,000 170,245,000    206,501,000  195,267,000  
        deferred income taxes and taxes payable
        219,638,000  208,523,000 206,816,000  192,265,000 203,270,000     227,099,000 216,018,000   73,478,000 76,434,000 63,633,000 61,956,000 48,456,000 70,224,000 52,529,000 50,848,000 39,376,000 38,058,000 33,126,000 22,830,000 29,551,000 30,338,000 26,206,000 22,050,000 15,180,000 17,310,000 14,986,000 16,457,000 18,117,000 19,378,000 13,507,000 14,516,000 9,338,000 24,358,000 31,265,000 40,022,000 30,228 39,591,000 35,882 
        total liabilities
        2,786,799,000  2,702,328,000 2,787,881,000  2,849,422,000 2,817,123,000     1,877,794,000 1,563,976,000   1,917,810,000    1,789,441,000     1,321,022,000 1,344,105,000 1,403,145,000   1,361,335,000    1,361,903,000  1,591,224,000 1,274,984,000 1,223,538,000 1,215,561,000    1,720,740,000  1,764,622,000  
        equity:
                                                      
        amdocs limited shareholders' equity:
                                                      
        preferred shares — authorized 25,000 shares; £0.01 par value...
                                                      
        ordinary shares — authorized 700,000 shares; £0.01 par value...
        4,621,000  4,617,000 4,610,000  4,597,000 4,593,000     4,377,000 4,366,000   4,331,000    4,284,000     4,176,000 4,152,000 4,116,000   4,057,000    3,993,000  3,956,000 3,955,000 3,952,000 3,940,000        
        additional paid-in capital
        4,543,090,000  4,495,539,000 4,464,706,000  4,379,745,000 4,332,690,000     3,322,789,000 3,291,096,000   3,182,573,000    3,054,780,000     2,819,702,000 2,760,058,000 2,692,894,000   2,570,555,000    2,455,378,000  2,402,163,000 2,388,418,000 2,372,964,000 2,350,074,000    2,278,895,000  2,247,281,000  
        treasury stock
        -8,199,358,000  -8,064,154,000 -7,928,917,000  -7,664,629,000 -7,495,254,000     -4,024,527,000 -3,934,856,000   -3,611,105,000    -3,157,085,000     -2,688,261,000 -2,630,522,000 -2,521,716,000   -2,189,947,000    -1,583,835,000  -1,309,161,000 -1,128,517,000 -919,874,000 -919,874,000    -919,874,000  -824,568,000  
        accumulated other comprehensive income
        29,337,000           6,095,000    -16,753,000    -9,972,000      6,530,000        7,246,000  1,952,000 -3,807,000 2,886,000 1,478,000      -3,131,000  
        retained earnings
        7,125,783,000  7,029,751,000 6,925,123,000  6,795,359,000 6,709,773,000     4,144,827,000 4,077,811,000   3,847,796,000    3,503,829,000     3,107,983,000 3,009,354,000 2,925,369,000   2,671,736,000    2,297,971,000  2,130,470,000 2,035,732,000 1,943,467,000 1,874,917,000    1,532,852,000  1,375,894,000  
        total amdocs limited shareholders' equity
        3,503,473,000  3,460,757,000 3,464,263,000  3,504,462,000 3,544,412,000                                        
        accumulated other comprehensive loss
          -4,996,000 -1,259,000  -10,610,000 -7,390,000      -4,634,000            -3,803,000  -6,209,000   -17,209,000             -22,173,000    
        current assets
                                                      
        accounts receivable, net, including unbilled of 182,847 and 227,061, respectively
               952,543,000                                       
        short-term financing arrangements
               100,000,000  200,000,000  200,000,000    220,000,000    210,000,000    200,000,000    200,000,000    250,000,000    200,000,000           
        cash, cash equivalents and short-term interest-bearing investments
                963,039,000 1,149,454,000 940,324,000   1,150,085,000 1,185,856,000  1,401,708,000 1,292,489,000 1,268,573,000  1,174,610,000 1,108,689,000 1,211,558,000 1,326,380,000    1,118,177,000 894,111,000  924,976,000  1,133,844,000  1,251,639,000     1,173,041,000 1,280,289,000 1,334,856,000  1,244,378  1,181,797 
        accounts receivable, net, including unbilled of 174,898 and 134,122, respectively
                893,386,000                                      
        equipment and leasehold improvements
                336,791,000 331,523,000 325,275,000 331,728,000 308,799,000 311,723,000 305,218,000 309,320,000 286,183,000 285,402,000 284,233,000 288,956,000 276,101,000 277,098,000 266,404,000 275,544,000 261,933,000 268,962,000 272,923,000 277,907,000 261,885,000 247,353,000 248,047,000 258,402,000 243,572,000 245,534,000 250,902,000 258,273,000 246,728,000 254,180,000 266,224,000  279,247,000 292,261,000 302,941,000    
        shareholders’ equity
                3,581,689,000 3,552,916,000 3,470,486,000   3,474,983,000 3,426,584,000  3,516,301,000 3,453,324,000 3,418,900,000  3,429,461,000 3,409,758,000 3,333,012,000 3,274,783,000    3,033,202,000 3,013,864,000  2,990,317,000 3,023,301,000 3,140,274,000  3,218,972,000     3,213,053,000 3,074,669,000 2,957,646,000  2,805,191  2,723,694 
        total liabilities and shareholders’ equity
                5,293,617,000 5,415,965,000 5,189,342,000 5,331,355,000 4,997,759,000 5,091,527,000 5,053,605,000 5,324,652,000 5,168,327,000 5,043,895,000 4,974,012,000 5,185,277,000 5,030,836,000 4,979,510,000 4,857,956,000 4,925,813,000 4,560,819,000 4,493,677,000 4,497,599,000 4,645,223,000 4,439,918,000 4,400,527,000 4,407,241,000 4,636,572,000 4,505,347,000 4,542,656,000 4,647,343,000 4,820,604,000 4,570,765,000 4,626,933,000 4,526,096,000 4,328,417,000 4,498,849,000 4,564,712,000 4,594,343,000 4,579,063 4,563,991,000 4,505,403 
        accounts receivable, net, including unbilled of 150,934 and 134,122, respectively
                 844,631,000                                     
        accounts receivable, net, including unbilled of 148,364 and 134,122, respectively
                  862,000,000                                    
        deferred income taxes
                           99,274,000     111,421,000 116,230,000 112,851,000   152,963,000    117,276,000  132,403,000 140,340,000 138,985,000 131,361,000    186,075,000  200,947,000  
        shareholders’ equity:
                                                      
        total shareholders’ equity
                   3,453,561,000 3,433,783,000   3,406,842,000    3,395,836,000     3,239,797,000 3,149,572,000 3,094,454,000   3,039,192,000    3,180,753,000  3,229,380,000 3,295,781,000 3,403,395,000 3,310,535,000    2,873,603,000  2,799,369,000  
        accounts receivable, net, including unbilled of 92,812 and 80,197, respectively
                     755,381,000                                 
        accounts receivable, net, including unbilled of 82,251 and 80,197, respectively
                      728,059,000                                
        deferred income taxes and taxes receivable
                       193,207,000 182,422,000 165,031,000 158,761,000 148,346,000 156,809,000 160,758,000 161,810,000 125,880,000 124,395,000 123,428,000 124,681,000 109,282,000 110,551,000 98,187,000 106,368,000 112,656,000 121,802,000 124,182,000 137,879,000 126,083,000 111,560,000 118,794,000 131,507,000 117,848,000 106,906,000 98,843,000 93,932,000 84,515 98,605,000 108,959 
        accounts receivable, net, including unbilled of 96,355 and 134,523, respectively
                        739,927,000                              
        accounts receivable, net, including unbilled of 103,752 and 134,523, respectively
                         732,803,000                             
        accounts receivable, net, including unbilled of 105,611 and 134,523, respectively
                          683,778,000                            
        accounts receivable, net, including unbilled of 137,504 and 110,626, respectively
                            755,622,000                          
        accounts receivable, net, including unbilled of 126,875 and 110,626, respectively
                             746,814,000                         
        accounts receivable, net, including unbilled of 117,037 and 110,626, respectively
                              680,947,000                        
        accounts receivable, net, including unbilled of 110,626 and 130,697, respectively
                               678,219,000                       
        accounts receivable, net, including unbilled of 130,697 and 72,048, respectively
                                   687,223,000                   
        accounts receivable, net, including unbilled of 128,080 and 72,048, respectively
                                    676,568,000                  
        accounts receivable, net, including unbilled of 98,849 and 72,048, respectively
                                      590,681,000                
        current assets cash, cash equivalents and short-term interest-bearing investments
                                       1,173,470,000               
        accounts receivable, net, including unbilled of 72,048 and 62,246, respectively
                                       565,853,000               
        current liabilities accounts payable, accruals and other
                                       594,603,000               
        accounts receivable, net, including unbilled of 96,687 and 62,246, respectively
                                        589,103,000              
        accounts receivable, net, including unbilled of 65,634 and 62,246, respectively
                                          547,867,000            
        convertible notes
                                              1,020,000    350,000,000  450,000,000  
        noncurrent liabilities and other
                                              255,516,000 503,477,000 483,135,000 439,651,000 200,648,000 493,848 229,210,000 502,986 
        accounts receivable, net, including unbilled of 21,749 and 48,264 respectively
                                               454,965,000       
        equipment, vehicles and leasehold improvements
                                               279,659,000    317,081 304,146,000 296,288 
        0.50% convertible notes
                                               1,020,000 1,020,000 1,020,000  450,000  450,000 
        accounts receivable, net, including unbilled of 44,439 and 48,264 respectively
                                                507,507,000      
        accounts payable and accruals
                                                429,533,000 525,917,000  600,285  581,437 
        short-term portion of financing arrangements
                                                1,037,000 3,660,000 4,435,000  2,033,000  
        long-term loan
                                                300,000,000 450,000,000     
        accounts receivable, net, including unbilled of 42,323 and 48,264 respectively
                                                 506,685,000     
        borrowing under long-term financing arrangements
                                                  100,000,000    
        preferred shares – authorized 25,000 shares; £0.01 par value...
                                                      
        ordinary shares – authorized 550,000 shares; £0.01 par value...
                                                  3,903,000  3,893,000  
        accounts receivable, net, including unbilled of 48,264 and 43,870 respectively
                                                   573,764   
        short-term portion of capital lease obligations and other financing arrangements
                                                   1,660  2,178 
        accounts receivable, net, including unbilled of 41,300 and 43,870 respectively
                                                     568,503 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-12-31 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 
                                                
          cash flow from operating activities:
                                                
          net income
        97,114,000 154,802,000 164,001,000 151,852,000 119,264,000 112,560,000 97,793,000 95,709,000 105,060,000 107,720,000 100,842,000 91,130,000 107,782,000 116,261,000 130,990,000 100,503,000 109,827,000 110,357,000 101,435,000 88,954,000 119,558,000 104,912,000 99,015,000 98,021,000 98,749,000 101,870,000 92,731,000 87,379,000 91,785,000 94,110,000 73,391,000 94,738,000 92,265,000 68,550,000 88,353,000 85,751,000 85,548,000 80,630,000 74,247,000 82,711,000 
          reconciliation of net income to net cash from operating activities:
                                                
          depreciation, amortization and impairment
        52,978,000 49,635,000 46,407,000 46,415,000                                     
          amortization of debt issuance cost
        155,000 153,000 149,000 151,000                                     
          equity-based compensation expense
        26,730,000 25,961,000 25,653,000 26,520,000 10,253,000 10,184,000 14,261,000 9,602,000 9,812,000 10,316,000 12,970,000 10,337,000 10,500,000 9,825,000 13,898,000 10,558,000 10,520,000 10,535,000 12,965,000 8,438,000 9,867,000 8,709,000 13,325,000 10,446,000 11,310,000 11,120,000 10,553,000 9,703,000 8,772,000 4,882,000 13,274,000 12,127,000 10,757,000 10,718,000 10,853,000 9,580,000 9,397,000 10,517,000 13,417,000 13,780,000 
          deferred income taxes
        9,393,000 8,602,000 645,000 1,651,000 -9,688,000 9,534,000 7,355,000 11,939,000 -6,640,000 2,983,000 -10,597,000 -4,090,000 4,463,000 -3,499,000 -23,761,000 -1,174,000 -15,026,000 4,293,000 5,397,000 10,656,000 -1,050,000 -903,000 3,782,000 8,730,000 -5,304,000 -2,507,000 -5,776,000 -9,919,000 -1,585,000 5,853,000 6,903,000 -4,706,000 -10,119,000 4,189,000 -8,501,000 3,152,000 1,839,000 10,514,000 744,000 -5,267,000 
          income from short-term interest-bearing investments
               113,000 -151,000   201,000 -8,000   286,000 58,000 371,000 308,000 396,000 193,000 1,199,000 481,000 638,000 1,508,000 293,000 602,000         -1,372,000 830,000    
          net changes in operating assets and liabilities, net of amounts acquired:
                                                
          accounts receivable
        22,107,000 24,325,000 30,757,000 2,417,000 -47,941,000 17,463,000 -42,555,000 -66,696,000 18,898,000 -15,278,000 -7,783,000 61,910,000 -7,458,000 -47,471,000 32,848,000 46,110,000 -10,067,000 -26,843,000 -3,660,000 -1,560,000 1,508,000 20,745,000 9,306,000 -5,249,000 -64,471,000 -16,158,000 -20,673,000 40,825,000 -23,642,000 -13,451,000 34,330,000 -70,464,000 -48,568,000 9,806,000 -22,161,000 67,684,000 -3,401,000 32,749,000 34,495,000 30,181,000 
          prepaid expenses and other current assets
        16,764,000 -39,299,000 -17,739,000 -14,787,000 9,668,000 -8,957,000 -1,969,000 10,259,000 7,261,000 -15,667,000 -13,017,000 10,078,000 9,090,000 -4,081,000 7,603,000 -4,597,000 9,252,000 1,172,000 -7,596,000 11,924,000 14,909,000 -5,865,000 -21,054,000 12,823,000 7,404,000 -17,156,000 -1,470,000 -4,368,000 18,852,000 15,666,000 -40,891,000 -24,172,000 4,696,000 22,326,000 6,159,000 -20,489,000 970,000 5,005,000 900,000 -3,993,000 
          other noncurrent assets
        6,214,000 -26,800,000 13,066,000 -7,925,000 -18,655,000 -19,520,000 -22,774,000 -8,483,000 7,718,000 -1,166,000 4,518,000 6,096,000 -13,588,000 4,304,000 10,594,000 25,073,000 -2,772,000 -414,000 -14,453,000 6,328,000 19,315,000 7,620,000 -3,879,000 -1,825,000 22,858,000 4,940,000 -6,239,000 17,940,000 992,000 -7,988,000 -26,751,000 -11,988,000 2,580,000 -12,131,000 -14,409,000 -4,953,000 -19,462,000 3,264,000 18,461,000 8,681,000 
          lease assets and liabilities
        -262,000 4,677,000 1,135,000 -2,329,000                                     
          accounts payable, accrued expenses and accrued personnel
        8,549,000 41,110,000 -75,863,000 -50,837,000 50,077,000 -43,125,000 68,226,000 22,721,000 9,477,000 -31,570,000 59,354,000 -14,501,000 69,967,000 -1,174,000 9,602,000 47,994,000 -10,086,000 1,527,000 34,514,000 55,175,000 12,728,000 -81,875,000 9,868,000 18,699,000 32,529,000 -31,231,000 40,203,000 1,981,000 20,146,000 -74,565,000 5,462,000 74,947,000 77,859,000 6,588,000 28,258,000 -20,855,000 -78,151,000 -86,200,000 24,885,000  
          deferred revenue
        -5,641,000 -14,033,000 26,979,000 867,000 -18,885,000 -13,019,000 -6,913,000 18,921,000 -65,726,000 6,281,000 -9,304,000 -4,163,000 -12,165,000 27,811,000 -9,049,000 -57,592,000 38,096,000 -2,931,000 20,460,000 3,282,000 -26,816,000 15,611,000 -7,155,000 -36,396,000 7,714,000 -20,549,000 -6,580,000 -40,758,000 -27,979,000 -4,722,000 39,015,000 11,395,000 -8,054,000 -17,013,000 47,599,000 12,141,000 57,820,000 1,006,000 -50,011,000 16,125,000 
          income taxes payable
        2,672,000 -6,699,000 -5,953,000 -5,129,000 1,087,000 -7,427,000 -1,386,000 -2,151,000 9,847,000 -7,851,000 10,267,000 4,976,000 135,000 3,100,000 15,263,000 -4,696,000 22,075,000 -11,708,000 -4,565,000 9,123,000 -13,794,000 8,155,000 -8,752,000 3,252,000 -2,835,000 4,839,000 9,049,000 14,578,000 13,796,000 1,430,000 -2,515,000 3,809,000 13,892,000 -1,963,000 4,534,000 -7,342,000 3,294,000 -11,318,000 -4,614,000 -1,395,000 
          other noncurrent liabilities
        -8,551,000 18,679,000 -37,856,000 -43,973,000 12,989,000 -13,000 -456,000 10,006,000 164,000 11,039,000 3,194,000 -4,949,000 14,074,000 -11,271,000 -18,117,000 -12,075,000 6,892,000 3,992,000 6,096,000 5,704,000 3,131,000 7,629,000 11,294,000 2,605,000 -8,404,000 6,104,000 -2,959,000 -12,921,000 4,858,000 8,817,000 10,122,000 12,607,000         
          net cash from operating activities
        229,840,000 241,243,000 172,458,000 105,555,000 161,750,000 107,326,000 168,028,000 152,708,000 150,853,000 117,830,000 198,843,000 206,775,000 222,213,000 135,221,000 208,413,000 192,900,000 198,805,000 131,015,000 186,538,000 231,705,000 173,308,000 120,071,000 145,463,000 152,056,000 137,531,000 74,536,000 149,946,000 147,641,000 150,005,000 75,545,000 162,301,000 147,638,000 179,485,000 164,568,000 193,507,000 183,677,000 113,880,000 80,313,000 141,286,000 178,083,000 
          capital expenditures
        -31,212,000 -29,421,000 -15,964,000 -27,355,000 
          free cash flows
        198,628,000 211,822,000 156,494,000 78,200,000 161,750,000 107,326,000 168,028,000 152,708,000 150,853,000 117,830,000 198,843,000 206,775,000 222,213,000 135,221,000 208,413,000 192,900,000 198,805,000 131,015,000 186,538,000 231,705,000 173,308,000 120,071,000 145,463,000 152,056,000 137,531,000 74,536,000 149,946,000 147,641,000 150,005,000 75,545,000 162,301,000 147,638,000 179,485,000 164,568,000 193,507,000 183,677,000 113,880,000 80,313,000 141,286,000 178,083,000 
          cash flow from investing activities:
                                                
          purchase of property and equipment
        -31,212,000 -29,421,000 -15,964,000 -27,355,000                                     
          proceeds from sale of short-term interest-bearing investments
        75,275,000 1,763,000 59,593,000 33,362,000 73,475,000 77,780,000 67,140,000 97,603,000 72,709,000 90,738,000 100,910,000 72,060,000 57,685,000 69,920,000 53,153,000 94,558,000 106,464,000 94,699,000 83,763,000 53,556,000 113,509,000 68,316,000 76,296,000 151,811,000 77,631,000 136,595,000 74,108,000 84,161,000 192,129,000 190,060,000 124,797,000 433,166,000 322,864,000 469,018,000 278,183,000 443,434,000 278,610,000 209,664,000 113,570,000 132,498,000 
          purchase of short-term interest-bearing investments
            -73,035,000 -78,023,000 -67,714,000 -101,599,000 -69,155,000 -96,389,000 -103,599,000 -65,460,000 -63,139,000 -72,330,000 -49,255,000 -95,709,000 -104,400,000 -96,813,000 -92,878,000 -61,894,000 -101,905,000 -65,018,000 -158,059,000 -80,031,000 -65,101,000 -131,182,000 -61,675,000 -81,916,000 -176,892,000 -174,586,000 -88,605,000 -209,702,000 -367,847,000 -523,283,000 -348,662,000 -286,961,000 -299,893,000 -128,041,000 -248,538,000 -172,411,000 
          net cash paid for business and intangible assets acquisitions
        -24,911,000                                        
          net cash from equity investments and other
        1,442,000 32,000 394,000 16,347,000                                     
          net cash from investing activities
        20,594,000   -34,729,000 -39,912,000 -30,475,000 -38,577,000 -289,591,000 -30,036,000 -79,950,000 -41,274,000 -277,019,000 -37,199,000 -25,496,000 -39,940,000 -34,315,000 -30,546,000 -192,540,000 -41,152,000 -145,956,000 -10,743,000 -27,234,000 -113,196,000 26,623,000 -13,395,000 -11,669,000 -18,848,000 -185,619,000 -14,644,000 -14,588,000 -6,820,000 196,885,000 -93,888,000 -163,981,000 -150,522,000 135,187,000 -38,885,000 57,945,000 -220,623,000 -74,456,000 
          cash flow from financing activities:
                                                
          repurchase of shares
        -136,416,000 -135,204,000 -135,237,000 -144,483,000 -89,999,000 -80,013,000 -80,219,000 -89,671,000 -123,143,000 -100,644,000 -99,964,000 -181,809,000 -60,016,000 -110,563,000 -101,632,000 -110,098,000 -92,983,000 -84,914,000 -84,019,000 -96,810,000 -57,739,000 -108,806,000 -103,706,000 -106,204,000 -121,859,000 -116,830,000 -139,715,000 -192,471,000 -157,096,000 -161,243,000 -113,431,000 -180,644,000    -20,014,000 -75,291,000 
          proceeds from employee stock option exercises
        3,197,000 6,675,000 7,014,000 4,408,000    21,710,000                                 
          payments of dividends
        -57,969,000 -58,615,000 -53,729,000 -54,081,000 -32,223,000 -28,606,000 -28,693,000 -28,836,000 -29,206,000 -25,565,000 -25,697,000 -26,127,000 -26,286,000 -24,086,000 -24,291,000 -24,576,000 -24,799,000 -20,752,000 -20,812,000 -20,929,000 -20,927,000                    
          distribution to noncontrolling interests
        -1,516,000 -314,000 -886,000 -1,323,000                                     
          payment of contingent consideration and deferred payment of business acquisitions
        -43,000 -2,000,000 -7,599,000                                     
          net cash from financing activities
        -192,747,000 -189,458,000 -182,838,000 -203,078,000 -308,040,000 132,061,000 -284,295,000 104,356,000 -143,086,000 -80,317,000 -327,249,000 29,226,000 -81,057,000 -88,530,000 -320,303,000 90,746,000 -100,361,000 -43,018,000 -268,995,000 141,666,000 -37,576,000 -71,824,000 -270,650,000 116,709,000 -112,624,000 -87,025,000 -366,053,000 64,177,000 -142,801,000 -140,207,000 -299,814,000 20,518,000 -203,977,000 12,163,000 5,037,000 -275,003,000 -152,445,000 832,000 -16,252,000 -72,010,000 
          net decrease in cash and cash equivalents
        57,687,000 19,922,000 33,557,000 -132,252,000   -154,844,000  -22,269,000 -42,437,000 -169,680,000  103,957,000 21,195,000 -151,830,000  67,898,000 -104,543,000 -123,609,000  124,989,000 21,013,000 -238,383,000  11,512,000 -24,158,000 -234,955,000            -95,589,000  
          cash and cash equivalents at beginning of year
                                                
          cash and cash equivalents at end of year
                                                
          supplementary cash flow information
                                                
          cash paid for:
                                                
          income taxes, net of refunds
         30,215,000 29,462,000 49,547,000    9,684,000             11,601,000 3,264,000 13,419,000         13,267,000 7,410,000 11,067,000 14,704,000    9,730,000  
          interest
         13,870,000 7,658,000 12,784,000    38,000             112,000 24,000 303,000         488,000 1,062,000 1,245,000 51,000    267,000  
          loss from short-term interest-bearing investments
         130,000 1,077,000 662,000                                     
          cash and cash equivalents at beginning of period
         346,085,000 768,660,000  1,035,573,000  1,103,269,000  1,014,192,000 879,158,000 831,371,000  1,036,195,000  728,762,000  718,850,000  
          cash and cash equivalents at end of period
         19,922,000 33,557,000 213,833,000 -186,202,000 208,912,000 613,816,000  -22,269,000 -42,437,000 865,893,000  103,957,000 21,195,000 951,439,000  67,898,000 -104,543,000 890,583,000 227,415,000 124,989,000 21,013,000 640,775,000 295,388,000 11,512,000 -24,158,000 596,416,000  -7,440,000 -79,250,000 891,862,000  -118,380,000 12,750,000 776,784,000  -77,450,000 139,090,000 623,261,000  
          net cash paid for business acquisitions
          -86,000 -57,083,000                                     
          net cash provided (used) in investing activities
                                                
          other
            -11,693,000 -2,062,000 3,733,000 1,576,000 493,000 -20,270,000 -332,000 477,000 422,000 -484,000 993,000 524,000 197,000 -4,158,000 7,309,000 1,360,000 -562,000 -2,069,000 -1,530,000 -2,327,000 -1,808,000 -1,462,000 -2,967,000 4,831,000 -5,289,000 -9,946,000 -7,672,000          
          payment of contingent consideration from a business acquisition
                                                
          depreciation and amortization
            54,495,000 51,486,000 57,552,000 51,999,000 55,567,000 53,098,000 51,127,000 51,659,000 39,833,000 43,594,000 39,709,000 45,861,000 40,172,000 41,010,000 35,729,000 33,376,000 33,777,000 34,335,000 39,288,000 40,353,000 39,388,000 39,331,000 40,542,000 43,258,000 44,170,000 44,896,000 49,153,000 49,894,000 48,522,000 47,474,000 50,050,000 50,250,000 49,378,000 49,729,000 48,762,000 48,959,000 
          excess tax benefit from equity-based compensation
            -787,000 -2,017,000 -912,000 -1,231,000 -434,000 -2,380,000 -2,868,000 -1,909,000 -412,000 -2,502,000 -1,126,000 -3,351,000 -136,000 -346,000 -92,000 -91,000 -18,000 -201,000 -56,000 -41,000 -13,000 -90,000 -37,000 -20,000 -6,000 -128,000 -24,000 -23,000 -5,000 -81,000 -17,000 -8,000 -8,000 -1,000 -1,000 -2,000 
          (gain) income from short-term interest-bearing investments
            -127,000 177,000 -194,000        -41,000                 -703,000 -154,000 -98,000 -329,000      
          payments for purchase of equipment and leasehold improvements
            -28,659,000 -28,170,000 -41,736,000 -28,714,000 -34,083,000 -29,036,000 -38,253,000 -29,002,000 -32,167,000 -22,602,000 -36,732,000 -33,688,000 -25,910,000 -25,228,000 -26,743,000 -26,573,000 -21,785,000 -28,463,000 -29,903,000 -42,830,000 -29,019,000 -21,890,000 -28,314,000 -29,731,000 -24,592,000 -20,116,000 -35,340,000 -27,441,000   -23,801,000 -17,851,000 -17,656,000 -17,583,000 -30,235,000  
          net cash paid for acquisitions
               -258,457,000   -255,094,000 -8,099,000 -6,897,000 -161,040,000 -12,603,000             -811,000 -49,811,000 -93,231,000 -56,454,000    -55,543,000 -1,802,000 
          borrowings under financing arrangements
                                               
          payments under financing arrangements
            -200,000,000 -200,000,000 -220,000,000 -210,000,000 -200,000,000 -200,000,000 -250,000,000 -200,000,000          
          proceeds from employee stock options exercised
            13,395,000 38,663,000 23,705,000   43,514,000 15,546,000  4,835,000 43,619,000 14,497,000  17,714,000 62,313,000 36,014,000 59,325,000 41,256,000 58,491,000 54,358,000 23,589,000 9,370,000 29,863,000 23,852,000 6,778,000 14,600,000 21,251,000 13,845,000 1,619,000 4,700,000 12,184,000 5,141,000 25,867,000 229,000 688,000 1,109,000 3,822,000 
          excess tax benefit from equity-based compensation and other
            787,000                                    
          net increase in cash and cash equivalents
                                     -79,250,000 -144,333,000   12,750,000 48,022,000 43,861,000 -77,450,000   31,617,000 
          interest and income taxes paid
                                                
          gain from short-term interest-bearing investments
                  140,000                 -37,000 -154,000 745,000 832,000         3,782,000 
          gain on sale of investments
                                               
          payments under capital lease and other
                        -293,000 335,000 -178,000 80,000 -166,000 -477,000 -182,000                  
          gain on sale of investment
                                                
          cash received from sale of investment
                                                
          net changes in operating assets and liabilities:
                                                
          payment of dividend
                              -21,120,000                  
          cash received from sale of investments
                                               
          payments under capital lease, short-term financing arrangements and other
                               -676,000 -135,000 -58,000 -190,000 -130,000 -305,000 -215,000 -228,000          
          income from divestiture of a subsidiary
                                               
          net cash received from divestiture of a subsidiary
                                                
          impairment on investment in a subsidiary
                                                
          in-process research and development expenses
                                              5,640,000  
          gain on sale of equipment
                                           130,000     
          gain on repurchase of convertible notes
                                           -73,000 -2,112,000  
          net cash received from divestiture of a subsidiary and other
                                                
          redemption of convertible notes
                                              
          repurchase of convertible notes
                                           -18,127,000 -97,888,000  
          loss on sale of equipment
                                                
          borrowing under long-term financing arrangements
                                            350,000,000 100,000,000  
          payments under long-term financing arrangements
                                           -300,000,000     
          payments under capital lease and short-term financing arrangements
                                        -39,000   -338,000     
          noncurrent liabilities and other
                                         4,403,000 3,118,000 10,008,000 5,759,000 -19,099,000 -24,928,000 -7,791,000 
          payments for purchase of equipment
                                                
          proceeds from sale of equipment, vehicles and leasehold improvements
                                          212,000    123,000 1,552,000 
          (payment) borrowing under short-term financing arrangements
                                          -121,000      
          borrowings under long-term financing arrangements
                                                
          in-process research and development
                                               
          proceeds from sale of equipment and leasehold improvements
                                            89,000    
          net cash paid for acquisition
                                            -35,000    
          borrowing under short-term financing arrangements
                                            540,000  
          payments under capital lease financing arrangements
                                                
          (gain) loss on sale of equipment
                                              -41,000  
          gain from short-term interest-bearing investments and other
                                              1,442,000  
          accounts payable, accrued expenses and other current liabilities
                                                
          payments for purchase of equipment, vehicles and leasehold improvements
                                               -34,293,000 
          repurchase of 2% convertible notes
                                                
          principal payments under financing arrangements
                                                
          principal payments on capital lease obligations
                                                
          in-process research and development and other
                                                
          accounts payable and accrued expenses
                                                
          redemption of convertible notes upon maturity