7Baggers

Paychex, Inc
(NASDAQ:PAYX) 

PAYX stock logo

Paychex, Inc. provides integrated human capital management solutions for human resources (HR), payroll, benefits, and insurance services for small- to medium-sized businesses in the United States and Europe. The company offers payroll processing services; payroll tax administration services; employe...

Founded: 1971
Full Time Employees: 15,600
Sector: Industrials
Industry: Staffing & Employment Services

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Quarterly
Annual
    Unit: USD2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-05-31 2019-02-28 2018-11-30 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-05-31 2013-02-28 2012-11-30 2012-05-31 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2009-02-28 2008-11-30 2008-08-31 2008-05-31 2008-02-29 2007-11-30 2007-08-31 2007-02-28 2006-11-30 2006-08-31 2006-05-31 2006-02-28 2005-11-30 2005-08-31 2005-05-31 2005-02-28 2004-11-30 2004-08-31 2004-05-31 2004-02-29 2003-11-30 2003-08-31 2003-05-31 2003-02-28 2002-11-30 2002-08-31 2002-02-28 
                                                                                               
      revenue:
                                                                                               
      management solutions
    1,166,400,000 1,163,300,000 1,041,800,000 1,100,700,000 962,900,000 961,700,000 930,300,000 1,049,900,000 930,700,000 955,500,000 905,200,000 1,024,500,000 895,300,000 905,500,000 845,300,000 959,900,000 832,000,000 805,500,000 756,400,000 846,800,000 732,800,000 687,400,000 661,800,000 850,000,000 726,700,000 724,500,000 583,700,000 801,600,000 653,500,000 687,700,000                                                              
      peo and insurance solutions
    336,900,000 329,100,000 340,300,000 365,400,000 317,900,000 319,300,000 326,600,000 345,500,000 295,700,000 297,800,000 299,500,000 321,200,000 273,300,000 282,800,000 284,300,000 301,700,000 262,400,000 262,900,000 258,300,000 249,800,000 236,100,000 229,900,000 228,000,000 271,500,000                                                                    
      total service revenue
    1,503,300,000 1,492,400,000 1,382,100,000 1,466,100,000 1,280,800,000 1,281,000,000 1,256,900,000 1,395,400,000 1,226,400,000 1,253,300,000 1,204,700,000 1,345,700,000 1,168,600,000 1,188,300,000 1,129,600,000 1,261,600,000 1,094,400,000 1,068,400,000 1,014,700,000 1,096,600,000 968,900,000 917,300,000 889,800,000 1,121,500,000 970,800,000 971,500,000 580,500,000 1,047,400,000 789,000,000 845,700,000                          381,450,000 519,600,000 500,000,000                                  
      interest on funds held for clients
    54,300,000 47,600,000 45,200,000 42,900,000 36,100,000 37,500,000 38,200,000 43,900,000 31,500,000 32,700,000 24,900,000 35,300,000 21,700,000 17,900,000 14,700,000 14,400,000 14,100,000 14,500,000 14,500,000 15,100,000 14,800,000 14,900,000 25,300,000 21,200,000 19,900,000 20,500,000 5,100,000 23,000,000 14,000,000 17,100,000 17,700,000 18,100,000 14,000,000 13,700,000 14,000,000 13,200,000 11,400,000 12,000,000 12,300,000 11,900,000 11,100,000 10,800,000 10,800,000 10,700,000 10,400,000 10,200,000 10,200,000 10,500,000 10,000,000 10,000,000 10,000,000 10,900,000 10,000,000 32,500,000 11,100,000 12,300,000 11,700,000 12,000,000 12,100,000 13,727,000 14,029,000 13,552,000 13,723,000 15,074,000 16,385,000 19,777,000 24,218,000 31,391,000 37,327,000 30,754,000 32,315,000 37,719,000 29,709,000 29,831,000 32,009,000 28,703,000 20,787,000 19,300,000 20,521,000 16,767,000 12,409,000 10,772,000 11,861,000 14,518,000 14,540,000 13,335,000 13,155,000 13,486,000 13,132,000 13,277,000 14,836,000 
      total revenue
    1,557,600,000 1,540,000,000 1,427,300,000 1,509,000,000 1,316,900,000 1,318,500,000 1,295,100,000 1,439,300,000 1,257,900,000 1,286,000,000 1,229,600,000 1,381,000,000 1,190,300,000 1,206,200,000 1,144,300,000 1,276,000,000 1,108,500,000 1,082,900,000 1,029,200,000 1,111,700,000 983,700,000 932,200,000 915,100,000 1,142,700,000 990,700,000 992,000,000 585,600,000 1,070,400,000 803,000,000 862,800,000 871,100,000 866,500,000 826,500,000 816,800,000 798,600,000 795,800,000 771,400,000 785,500,000 753,900,000 752,600,000 722,400,000 723,000,000 692,200,000 704,300,000 676,300,000 666,800,000 664,000,000 636,500,000 610,500,000 607,900,000 585,300,000 593,300,000 569,400,000 1,666,700,000 563,100,000 522,700,000 531,300,000 512,000,000 518,300,000 496,211,000 507,819,000 496,576,000 500,214,000 495,933,000 528,581,000 524,160,000 534,085,000 519,228,000 532,172,000 507,793,000 507,130,000 485,287,000 454,955,000 459,374,000                  
      yoy
    18.28% 16.80% 10.21% 4.84% 4.69% 2.53% 5.33% 4.22% 5.68% 6.62% 7.45% 8.23% 7.38% 11.39% 11.18% 14.78% 12.69% 16.17% 12.47% -2.71% -0.71% -6.03% 56.27% 6.75% 23.37% 14.97% -32.77% 23.53% -2.84% 5.63% 9.08% 8.88% 7.14% 3.98% 5.93% 5.74% 6.78% 8.64% 8.91% 6.86% 6.82% 8.43% 4.25% 10.65% 10.78% 9.69% 13.45% 7.28% 7.22% -63.53% 3.94% 13.51% 7.17% 225.53% 8.64% 5.34% 4.62% 3.11% 3.62% 0.06% -3.93% -5.26% -6.34% -4.49% -0.67% 3.22% 5.32% 6.99% 16.97% 10.54%                      
      qoq
    1.14% 7.90% -5.41% 14.59% -0.12% 1.81% -10.02% 14.42% -2.19% 4.59% -10.96% 16.02% -1.32% 5.41% -10.32% 15.11% 2.36% 5.22% -7.42% 13.01% 5.52% 1.87% -19.92% 15.34% -0.13% 69.40% -45.29% 33.30% -6.93% -0.95% 0.53% 4.84% 1.19% 2.28% 0.35% 3.16% -1.80% 4.19% 0.17% 4.18% -0.08% 4.45% -1.72% 4.14% 1.42% 0.42% 4.32% 4.26% 0.43% 3.86% -1.35% 4.20% -65.84% 195.99% 7.73% -1.62% 3.77% -1.22% 4.45% -2.29% 2.26% -0.73% 0.86% -6.18% 0.84% -1.86% 2.86% -2.43% 4.80% 0.13% 4.50% 6.67% -0.96%                   
      expenses:
                                                                                               
      cost of service revenue
    412,200,000 413,800,000 393,900,000 387,400,000 379,100,000 380,000,000 375,200,000 379,800,000 364,100,000 360,200,000 369,800,000 372,900,000 359,300,000 351,000,000 360,000,000 352,200,000 331,600,000 312,500,000 315,800,000 328,400,000 319,900,000 307,100,000                                                                      
      gross profit
    1,145,400,000 1,126,200,000 1,033,400,000 1,121,600,000 937,800,000 938,500,000 919,900,000 1,059,500,000 893,800,000 925,800,000 859,800,000 1,008,100,000 831,000,000 855,200,000 784,300,000 923,800,000 776,900,000 770,400,000 713,400,000 783,300,000 663,800,000 625,100,000                                                                      
      yoy
    22.14% 20.00% 12.34% 5.86% 4.92% 1.37% 6.99% 5.10% 7.56% 8.26% 9.63% 9.13% 6.96% 11.01% 9.94% 17.94% 17.04% 23.24%                                                                          
      qoq
    1.70% 8.98% -7.86% 19.60% -0.07% 2.02% -13.18% 18.54% -3.46% 7.68% -14.71% 21.31% -2.83% 9.04% -15.10% 18.91% 0.84% 7.99% -8.92% 18.00% 6.19%                                                                       
      gross margin %
    73.54% 73.13% 72.40% 74.33% 71.21% 71.18% 71.03% 73.61% 71.05% 71.99% 69.93% 73.00% 69.81% 70.90% 68.54% 72.40% 70.09% 71.14% 69.32% 70.46% 67.48% 67.06% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% 
      selling, general and administrative expenses
    573,500,000 584,300,000 602,300,000 429,800,000 399,700,000 391,800,000 438,100,000 409,700,000 387,600,000 389,500,000 406,500,000 396,200,000 358,700,000 359,600,000 390,300,000 361,000,000 336,600,000 327,500,000 359,600,000 314,700,000 309,500,000 341,100,000 323,800,000 332,300,000 325,600,000 317,500,000 188,400,000 315,800,000 251,300,000 277,000,000 287,000,000 303,300,000 245,600,000 239,700,000 268,300,000 252,400,000 234,000,000 237,400,000 257,300,000 246,700,000 223,000,000 221,200,000 237,000,000 229,000,000 207,000,000 205,000,000 212,700,000 208,700,000 194,200,000 188,100,000 202,800,000 196,200,000 175,100,000 528,700,000 166,400,000 172,100,000 165,800,000 149,100,000 157,300,000 159,514,000 175,062,000 140,863,000 147,001,000 154,747,000 156,677,000 141,585,000 144,032,000 153,451,000 150,778,000 135,865,000 137,227,000 153,760,000 121,757,000 124,936,000 126,936,000 124,500,000 105,860,000 107,474,000             98,844,000 
      total expenses
    985,700,000 998,100,000 996,200,000 817,200,000 778,800,000 771,800,000 813,300,000 789,500,000 751,700,000 749,700,000 776,300,000 769,100,000 718,000,000 710,600,000 750,300,000 713,200,000 668,200,000 640,000,000 675,400,000 643,100,000 629,400,000 648,200,000 615,500,000 672,600,000 649,000,000 642,900,000 350,900,000 641,100,000 499,900,000 542,500,000 553,300,000 574,000,000 494,300,000 471,800,000 499,700,000 489,200,000 460,300,000 462,500,000 477,600,000 472,600,000 428,200,000 426,900,000 440,600,000 440,000,000 406,100,000 399,300,000 435,700,000 385,800,000 361,900,000 352,800,000 373,500,000 368,300,000 339,400,000 1,042,500,000 333,400,000 339,900,000 332,400,000 308,100,000 317,500,000 322,597,000 339,570,000 303,511,000 310,347,000 321,619,000 331,180,000 312,260,000 312,500,000 321,424,000 321,773,000 298,317,000 296,542,000 312,303,000 272,627,000 273,020,000 272,934,000 269,986,000 241,210,000 240,895,000 236,195,000 238,479,000            
      operating income
    571,900,000 541,900,000 431,100,000 691,800,000 538,100,000 546,700,000 481,800,000 649,800,000 506,200,000 536,300,000 453,300,000 611,900,000 472,300,000 495,600,000 394,000,000 562,800,000 440,300,000 442,900,000 353,800,000 468,600,000 354,300,000 284,000,000 299,600,000 470,100,000 341,700,000 349,100,000 234,700,000 429,300,000 303,100,000 320,300,000 317,800,000 292,500,000 332,200,000 345,000,000 298,900,000 306,600,000 311,100,000 323,000,000 276,300,000 280,000,000 294,200,000 296,100,000 251,600,000 264,300,000 270,200,000 267,500,000 228,300,000 250,700,000 248,600,000 255,100,000 211,800,000 225,000,000 230,000,000 624,200,000 229,700,000 182,800,000 198,900,000 203,900,000 200,800,000 173,614,000 168,249,000 193,065,000 189,867,000 174,314,000 197,401,000 211,900,000 221,585,000 197,804,000 210,399,000 209,476,000 210,588,000 172,984,000 182,328,000 186,354,000 167,546,000 160,600,000 158,605,000 162,820,000 142,827,000 135,382,000 126,898,000 128,668,000 86,949,000 116,473,000 114,815,000 115,078,000 97,951,000 101,419,000 99,194,000 102,477,000 87,217,000 
      yoy
    6.28% -0.88% -10.52% 6.46% 6.30% 1.94% 6.29% 6.19% 7.18% 8.21% 15.05% 8.72% 7.27% 11.90% 11.36% 20.10% 24.27% 55.95% 18.09% -0.32% 3.69% -18.65% 27.65% 9.50% 12.74% 8.99% -26.15% 46.77% -8.76% -7.16% 6.32% -4.60% 6.78% 6.81% 8.18% 9.50% 5.74% 9.08% 9.82% 5.94% 8.88% 10.69% 10.21% 5.42% 8.69% 4.86% 7.79% 11.42% 8.09% -59.13% -7.79% 23.09% 15.64% 206.13% 14.39% 5.29% 18.22% 5.61% 5.76% -0.40% -14.77% -8.89% -14.31% -11.88% -6.18% 1.16% 5.22% 14.35% 15.40% 12.41% 25.69% 7.71% 14.96% 14.45% 17.31% 18.63% 24.99% 26.54% 64.27% 16.23% 10.52% 11.81% -11.23% 14.84% 15.75% 12.30% 12.31%     
      qoq
    5.54% 25.70% -37.68% 28.56% -1.57% 13.47% -25.85% 28.37% -5.61% 18.31% -25.92% 29.56% -4.70% 25.79% -29.99% 27.82% -0.59% 25.18% -24.50% 32.26% 24.75% -5.21% -36.27% 37.58% -2.12% 48.74% -45.33% 41.64% -5.37% 0.79% 8.65% -11.95% -3.71% 15.42% -2.51% -1.45% -3.68% 16.90% -1.32% -4.83% -0.64% 17.69% -4.81% -2.18% 1.01% 17.17% -8.93% 0.84% -2.55% 20.44% -5.87% -2.17% -63.15% 171.75% 25.66% -8.09% -2.45% 1.54% 15.66% 3.19% -12.85% 1.68% 8.92% -11.70% -6.84% -4.37% 12.02% -5.99% 0.44% -0.53% 21.74% -5.12% -2.16% 11.23% 4.33% 1.26% -2.59% 14.00% 5.50% 6.69% -1.38% 47.98% -25.35% 1.44% -0.23% 17.49% -3.42% 2.24% -3.20% 17.50%  
      operating margin %
    36.72% 35.19% 30.20% 45.84% 40.86% 41.46% 37.20% 45.15% 40.24% 41.70% 36.87% 44.31% 39.68% 41.09% 34.43% 44.11% 39.72% 40.90% 34.38% 42.15% 36.02% 30.47% 32.74% 41.14% 34.49% 35.19% 40.08% 40.11% 37.75% 37.12% 36.48% 33.76% 40.19% 42.24% 37.43% 38.53% 40.33% 41.12% 36.65% 37.20% 40.73% 40.95% 36.35% 37.53% 39.95% 40.12% 34.38% 39.39% 40.72% 41.96% 36.19% 37.92% 40.39% 37.45% 40.79% 34.97% 37.44% 39.82% 38.74% 34.99% 33.13% 38.88% 37.96% 35.15% 37.35% 40.43% 41.49% 38.10% 39.54% 41.25% 41.53% 35.65% 40.08% 40.57% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      interest expense
    -68,500,000 -68,200,000                                                                                          
      other income
    16,800,000 23,800,000 63,600,000 -6,000,000 5,600,000 10,400,000 10,000,000 9,400,000 11,700,000 12,800,000     -5,200,000 -8,500,000 -2,700,000  -7,900,000 -6,000,000 -4,700,000 -7,900,000                                                                      
      income before income taxes
    520,200,000 497,500,000 389,300,000 685,800,000 543,700,000 557,100,000 491,800,000 659,200,000 517,900,000 549,100,000 463,600,000 617,400,000 475,200,000 492,000,000 388,800,000 554,300,000 437,600,000 443,900,000 345,900,000 462,600,000 349,600,000 276,100,000 291,600,000 464,200,000 337,000,000 344,300,000 242,600,000 425,600,000 304,800,000 322,600,000 320,300,000 294,800,000 333,900,000 347,100,000 300,500,000 307,800,000 312,000,000 324,500,000 276,100,000 281,700,000 295,800,000 297,500,000 253,600,000 265,900,000 271,600,000 268,900,000 229,700,000 252,200,000 249,900,000 256,300,000 213,200,000 226,400,000 231,900,000 629,100,000 231,200,000 184,200,000 200,400,000 205,400,000 202,200,000 174,895,000 169,429,000 194,212,000 190,772,000 175,139,000 198,468,000 213,832,000 224,636,000 201,015,000 213,996,000 216,979,000 222,825,000 183,478,000 192,269,000 195,770,000 175,972,000 166,958,000 164,157,000 167,679,000 147,109,000 138,481,000 129,649,000 130,927,000 91,232,000 119,639,000 119,886,000 119,027,000 104,908,000 105,179,000 110,595,000 110,862,000 95,644,000 
      income taxes
    124,800,000 113,700,000 92,100,000 166,500,000 130,300,000 129,700,000 111,900,000 160,600,000 125,200,000 129,900,000 113,200,000 150,000,000 114,900,000 112,800,000 92,400,000 123,600,000 105,500,000 110,300,000 82,900,000 112,100,000 77,200,000 64,500,000 70,900,000 109,700,000 78,300,000 80,100,000 52,500,000 101,000,000 106,000,000 79,000,000 91,800,000 34,400,000 116,900,000 119,300,000 105,200,000 105,300,000 109,900,000 107,100,000 98,000,000 101,300,000 106,600,000 88,400,000 92,400,000 96,500,000 98,600,000 97,600,000 83,800,000 92,100,000 91,200,000 93,500,000 89,700,000 81,900,000 84,000,000 230,000,000 82,300,000 65,300,000 69,800,000 71,500,000 70,300,000 59,373,000 57,422,000 68,362,000 67,152,000 61,335,000 67,678,000 73,590,000 75,927,000 65,531,000 71,522,000 69,867,000 71,750,000 56,878,000 59,603,000 60,689,000 53,232,000 52,424,000 51,545,000 52,651,000 45,628,000 45,699,000 42,784,000 43,206,000 29,827,000 39,121,000 39,202,000 38,684,000 33,568,000 33,658,000 35,944,000 34,922,000 28,671,000 
      net income
    395,400,000 383,800,000 297,200,000 519,300,000 413,400,000 427,400,000 379,900,000 498,600,000 392,700,000 419,200,000 350,400,000 467,400,000 360,300,000 379,200,000 296,400,000 430,700,000 332,100,000 333,600,000 263,000,000 350,500,000 272,400,000 211,600,000 220,700,000 354,500,000 258,700,000 264,200,000 190,100,000 324,600,000 198,800,000 243,600,000 228,500,000 260,400,000 217,000,000 227,800,000 195,300,000 202,500,000 202,100,000 217,400,000 178,100,000 180,400,000 189,200,000 209,100,000 161,200,000 169,400,000 173,000,000 171,300,000 145,900,000 160,100,000 158,700,000 162,800,000 123,500,000 144,500,000 147,900,000 399,100,000 148,900,000 118,900,000 130,600,000 133,900,000 131,900,000 115,522,000 112,007,000 125,850,000 123,620,000 113,804,000 130,790,000 140,242,000 148,709,000 135,484,000 142,474,000 147,112,000 151,075,000 126,600,000 132,666,000 135,081,000 122,740,000 114,534,000 112,612,000 115,028,000 101,481,000 92,782,000 86,865,000 87,721,000 61,405,000 80,518,000 80,684,000 80,343,000 71,340,000 71,521,000 74,651,000 75,940,000 66,973,000 
      yoy
    -4.35% -10.20% -21.77% 4.15% 5.27% 1.96% 8.42% 6.68% 8.99% 10.55% 18.22% 8.52% 8.49% 13.67% 12.70% 22.88% 21.92% 57.66% 19.17% -1.13% 5.30% -19.91% 16.10% 9.21% 30.13% 8.46% -16.81% 24.65% -8.39% 6.94% 17.00% 28.59% 7.37% 4.78% 9.66% 12.25% 6.82% 3.97% 10.48% 6.49% 9.36% 22.07% 10.49% 5.81% 9.01% 5.22% 18.14% 10.80% 7.30% -59.21% -17.06% 21.53% 13.25% 198.06% 12.89% 2.92% 16.60% 6.40% 6.70% 1.51% -14.36% -10.26% -16.87% -16.00% -8.20% -4.67% -1.57% 7.02% 7.39% 8.91% 23.09% 10.53% 17.81% 17.43% 20.95% 23.44% 29.64% 31.13% 65.27% 15.23% 7.66% 9.18% -13.93% 12.58% 8.08% 5.80% 6.52%     
      qoq
    3.02% 29.14% -42.77% 25.62% -3.28% 12.50% -23.81% 26.97% -6.32% 19.63% -25.03% 29.73% -4.98% 27.94% -31.18% 29.69% -0.45% 26.84% -24.96% 28.67% 28.73% -4.12% -37.74% 37.03% -2.08% 38.98% -41.44% 63.28% -18.39% 6.61% -12.25% 20.00% -4.74% 16.64% -3.56% 0.20% -7.04% 22.07% -1.27% -4.65% -9.52% 29.71% -4.84% -2.08% 0.99% 17.41% -8.87% 0.88% -2.52% 31.82% -14.53% -2.30% -62.94% 168.03% 25.23% -8.96% -2.46% 1.52% 14.18% 3.14% -11.00% 1.80% 8.63% -12.99% -6.74% -5.69% 9.76% -4.91% -3.15% -2.62% 19.33% -4.57% -1.79% 10.05% 7.16% 1.71% -2.10% 13.35% 9.38% 6.81% -0.98% 42.86% -23.74% -0.21% 0.42% 12.62% -0.25% -4.19% -1.70% 13.39%  
      net income margin %
    25.39% 24.92% 20.82% 34.41% 31.39% 32.42% 29.33% 34.64% 31.22% 32.60% 28.50% 33.85% 30.27% 31.44% 25.90% 33.75% 29.96% 30.81% 25.55% 31.53% 27.69% 22.70% 24.12% 31.02% 26.11% 26.63% 32.46% 30.33% 24.76% 28.23% 26.23% 30.05% 26.26% 27.89% 24.46% 25.45% 26.20% 27.68% 23.62% 23.97% 26.19% 28.92% 23.29% 24.05% 25.58% 25.69% 21.97% 25.15% 26.00% 26.78% 21.10% 24.36% 25.97% 23.95% 26.44% 22.75% 24.58% 26.15% 25.45% 23.28% 22.06% 25.34% 24.71% 22.95% 24.74% 26.76% 27.84% 26.09% 26.77% 28.97% 29.79% 26.09% 29.16% 29.41% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      other comprehensive income, net of tax
    7,400,000 28,700,000 35,900,000 2,300,000 -11,600,000 64,800,000 100,000 22,000,000 15,900,000             23,000,000 11,275,000 33,600,000  26,400,000    400,000                                                              
      comprehensive income
    402,800,000 412,500,000 333,100,000 521,600,000 401,800,000 492,200,000 380,000,000 520,600,000 408,600,000 396,000,000 394,700,000 461,500,000 333,400,000 341,700,000 209,500,000 379,900,000 290,800,000 326,900,000 257,600,000 334,600,000 266,000,000 234,600,000 232,000,000 388,100,000 243,800,000 290,600,000 117,000,000 352,700,000 165,200,000 244,000,000 219,000,000 242,900,000 183,400,000 232,200,000 210,700,000 223,900,000 146,100,000 227,400,000 169,800,000 197,600,000 195,700,000 215,400,000 146,900,000 168,800,000 169,400,000 175,800,000 142,800,000 171,000,000 177,300,000 135,900,000 112,800,000 137,500,000 150,300,000                                       
      basic earnings per share
    1.1 1.07 0.82 1.44 1.15 1.19 1.05 1.39 1.09 1.16 0.97 1.3 1.05 0.82 1.19 0.92 0.93 0.73 0.97 0.76 0.59 0.61 0.99 0.72 0.74 0.53 0.9 0.55 0.68 0.64 0.72 0.6 0.63 0.54 0.56 0.56 0.6 0.5 0.5 0.52 0.58 0.45 0.47 0.48 0.47 0.4 0.44 0.43 0.45 0.33 0.4 0.41 1.1 0.41 0.32 0.36 0.37 0.36 0.32 0.31 0.35 0.34 0.32 0.36 0.39 0.41 0.37 0.39 0.4 0.4 0.33 0.35 0.36 0.33 0.3 0.3 0.3 0.26 0.25 0.23 0.23 0.16 0.21 0.21 0.21 0.148 0.19 0.2 0.2 0.18 
      diluted earnings per share
    1.1 1.06 0.82 1.43 1.14 1.18 1.05 1.38 1.08 1.16 0.97 1.29 0.99 1.05 0.82 1.19 0.91 0.92 0.72 0.97 0.75 0.59 0.61 0.98 0.72 0.73 0.53 0.9 0.55 0.67 0.63 0.72 0.6 0.63 0.54 0.56 0.56 0.6 0.49 0.5 0.52 0.58 0.44 0.46 0.47 0.47 0.4 0.44 0.43 0.44 0.34 0.4 0.41 1.1 0.41 0.33 0.36 0.37 0.36 0.32 0.31 0.35 0.34 0.32 0.36 0.39 0.41 0.38 0.39 0.4 0.4 0.33 0.35 0.35 0.32 0.3 0.3 0.3 0.27 0.24 0.23 0.23 0.16 0.21 0.21 0.21 0.19 0.19 0.2 0.2 0.18 
      weighted-average common shares outstanding
    359.4 360.1 360.2 360.1 360 360.1 360.3 359.9 360.5 360.8 360.4 360.5 360.5 360.1 360.6 360.9 360.7 360.1 359.9 360.6 360 359.1 358.5 358.5 358.1 358.6 359 359.2 359.1 359.1 359 359.2 359.1 358.9 359.8 359 360.2 361 360.7 360.5 360.7 361.1 362.9 363.2 363 363.1 364.5 364.2 364.9 365.3 363.8 363.8 363.6 362.4 362.2 361.8 361.8 361.7 361.6 361,359 361,417 361,392 361,208 360,783 360,821 360,812 360,629 368,420 361,178 369,914 380,539 381,475 380,747 380,360 379,465 379,680 379,268 378,810 378,337 378,403 378,265 378,107 377,371 377,601 377,263 376,836  376,356 376,191 375,955 374,922 
      weighted-average common shares outstanding, assuming dilution
    360.4 361.9 362 362 361.7 361.9 362.1 361.7 362.1 362.8 362.3 362.3 362.3 362.4 363.1 363.4 363.1 362.8 362.1 362.8 362 361.3 361 361   361.5 361.6 361.4 361.5 361.5 362 361.4 361.3 362.6 361.8 362.6 364.1 362.5 362.2 362.3 362.8 364.6 365 364.6 364.7 366.1 365.8 366.4 366.7 364.7 364.6 364.4 363 362.8 362.4 362.6 362.1 362 361,728 361,860 361,692 361,362 360,985 360,913 360,977 361,040 369,528 361,770 371,404 382,255 383,335 382,433 381,876 381,351 381,751 381,256 380,180 379,763             
      other comprehensive loss, net of tax
             -23,200,000 44,300,000 -5,900,000 -26,900,000 -37,500,000               -33,600,000                                                               
      other income/(expense)
              10,300,000 5,500,000 2,900,000     1,000,000                                                                          
      other (expense)/income
                 -3,600,000         -8,000,000 -5,900,000 -4,700,000 -4,800,000                                                                  
      other comprehensive (loss)/income, net of tax
                  -86,900,000 -50,800,000 -41,300,000 -6,700,000 -5,400,000 -15,900,000 -6,400,000    -14,900,000                                                                   
      operating expenses
                          247,275,000 340,300,000 323,400,000 325,400,000 162,500,000 325,300,000 248,600,000 265,500,000 266,300,000 270,700,000 248,700,000 232,100,000 231,400,000 236,800,000 226,300,000 225,100,000 220,300,000 225,900,000 205,200,000 205,700,000 203,600,000 211,000,000 199,100,000 194,300,000 223,000,000 177,100,000 167,700,000 164,700,000 170,700,000 172,100,000 164,300,000 513,800,000 167,000,000 167,800,000 166,600,000 159,000,000 160,200,000 163,083,000 164,508,000 162,648,000 163,346,000 166,872,000 174,503,000 170,675,000 168,468,000 167,973,000 170,995,000 162,452,000 159,315,000 158,543,000 150,870,000 148,084,000 145,998,000 145,486,000 135,350,000 133,421,000 83,198,000 86,035,000            
      peo and insurance services
                            244,100,000 247,000,000 -3,200,000 245,800,000 135,500,000 158,000,000                                                              
      weighted-average common shares outstanding, ‎ assuming dilution
                            360.6 361.5                                                                  
      interest (expense)/income
                              7,900,000 -3,700,000                                                                
      other comprehensive income/(loss), net of tax
                              -73,100,000 28,100,000                                                                
      investment income
                                1,700,000 2,300,000 2,500,000 2,300,000 1,700,000 2,100,000 1,600,000 1,200,000 900,000 1,500,000 -200,000 1,700,000 1,600,000 1,400,000 2,000,000 1,600,000 1,400,000 1,400,000 1,400,000 1,500,000 1,300,000 1,200,000 1,400,000 1,400,000 1,900,000 4,900,000 1,500,000 1,400,000 1,500,000 1,500,000 1,400,000 1,281,000 1,180,000 1,147,000 905,000 825,000 1,067,000 1,932,000 3,051,000 3,211,000 3,597,000 7,503,000 12,237,000 10,494,000 9,941,000 9,416,000 8,426,000 6,358,000 5,552,000 4,859,000 4,282,000 3,099,000 2,751,000 2,259,000 4,283,000 3,166,000 5,071,000 3,949,000 6,957,000 3,760,000 11,401,000 8,385,000 8,427,000 
      cash dividends per common share
                                 0.56 0.56 0.5 0.5 0.5 0.46 0.46 0.46 0.46 0.42 0.42 0.42 0.42 0.38 0.38 0.38 0.38 0.35 0.35 0.35 0.35  0.66 0.33 0.96 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.31 0.3 0.3 0.3 0.3 0.21 0.21 0.16 0.16 0.16 0.16 0.13 0.13 0.13 0.13 0.12 0.12 0.12 0.12 0.11 0.083 0.11 0.11 0.11 0.11 
      service revenue
                                  853,400,000 848,400,000 812,500,000 803,100,000 784,600,000 782,600,000 760,000,000 773,500,000 741,600,000 740,700,000 711,300,000 712,200,000 681,400,000 693,600,000 665,900,000 656,600,000 653,800,000 626,000,000 600,500,000 597,900,000 575,300,000 582,400,000 559,400,000 1,634,200,000 552,000,000    506,200,000 482,484,000 493,790,000 483,024,000 486,491,000 480,859,000 512,196,000 504,383,000 509,867,000 487,837,000 494,845,000 477,039,000 474,815,000 447,568,000 425,246,000 429,543,000                  
      other comprehensive (loss)/income, net of tax:
                                                                                               
      unrealized (losses)/gains on securities, net of tax
                                  -11,675,000 -17,500,000     -56,000,000      75,000 -600,000 -3,600,000      -10,700,000 -7,000,000                                        
      total other comprehensive (loss)/income, net of tax
                                  -11,675,000 -17,500,000     -56,000,000      75,000 -600,000 -3,600,000      -10,700,000 -7,000,000                                        
      other comprehensive loss, net of tax:
                                                                                               
      unrealized losses on securities, net of tax
                                    -33,600,000                 -26,900,000                                          
      total other comprehensive loss, net of tax
                                    -33,600,000                 -26,900,000                                          
      other comprehensive income, net of tax:
                                                                                               
      unrealized gains on securities, net of tax
                                     4,400,000    10,000,000    6,300,000                                                  
      total other comprehensive income, net of tax
                                     4,400,000    10,000,000    6,300,000                                                  
      other comprehensive income/(loss), net of tax:
                                                                                               
      unrealized gains/(losses) on securities, net of tax
                                      -6,150,000 21,400,000   -8,300,000 17,200,000 6,500,000     4,500,000 650,000 10,900,000 18,600,000    2,400,000                                       
      total other comprehensive income/(loss), net of tax
                                      -6,150,000 21,400,000   -8,300,000 17,200,000 6,500,000     4,500,000 650,000 10,900,000 18,600,000    2,400,000                                       
      revenues:
                                                                                               
      service revenues
                                                                              291,331,500 401,883,000 379,028,000 384,415,000 358,501,000 357,094,000 334,876,000 334,203,000 318,528,000 328,088,000 297,559,000 295,918,000 -768,329,971 274,303,000 255,675,000 239,398,000 227,964,000 
      total revenues
                                                                              308,529,000 430,586,000 399,815,000 403,715,000 379,022,000 373,861,000 347,285,000 344,975,000 330,389,000 342,606,000 312,099,000 309,253,000 289,808,000 287,789,000 268,807,000 252,675,000 242,800,000 
      selling, general, and administrative expenses
                                                                                  152,997,000 152,444,000 140,459,000 135,961,000 165,349,000 146,894,000 122,849,000 122,504,000 79,456,250 117,576,000 105,995,000 94,254,000  
      weighted-average common shares outstanding assuming dilution
                                                                                   379,814            
      operating costs
                                                                                    79,928,000 80,346,000 78,091,000 79,239,000 74,435,000 71,671,000 47,089,000 68,794,000 63,618,000 55,944,000 56,739,000 
      weighted-average shares assuming dilution
                                                                                    379,696 379,706 379,524 379,795 379,649 378,815  378,081 377,934 377,949 378,096 
      see notes to consolidated financial statements.
                                                                                               
                                                                                               
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-02-28 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-05-31 2013-02-28 2012-11-30 2012-05-31 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2009-02-28 2008-11-30 2008-08-31 2008-05-31 2008-02-29 2007-11-30 2007-08-31 2007-02-28 2006-11-30 2006-08-31 2006-05-31 2006-02-28 2005-11-30 2005-08-31 2005-05-31 2005-02-28 2004-11-30 2004-08-31 2004-05-31 2004-02-29 2003-11-30 2003-08-31 2003-05-31 2003-02-28 2002-11-30 2002-08-31 2002-02-28 
                                                                                               
        assets
                                                                                               
        cash and cash equivalents
      1,485,600,000 809,000,000 1,628,600,000 1,563,800,000 1,202,100,000 1,459,600,000 1,468,900,000 1,693,600,000 1,363,100,000 1,645,900,000 1,222,000,000 1,316,900,000 1,096,500,000 1,184,200,000 370,000,000 267,500,000 636,200,000 1,102,000,000 995,200,000 787,000,000 693,500,000 835,700,000 905,200,000 780,000,000 600,600,000 586,400,000 696,400,000 358,200,000 358,200,000 323,900,000 257,200,000 234,400,000 184,600,000 189,900,000 165,000,000 130,000,000 131,500,000 253,100,000 412,300,000 455,900,000 170,000,000 265,300,000 140,400,000 462,600,000 152,500,000 271,300,000 213,000,000 111,600,000 107,300,000 100,400,000 122,600,000 108,800,000 113,100,000 119,000,000 236,000,000 233,200,000 272,900,000 284,316,000 279,261,000 225,304,000 315,323,000 472,769,000 428,407,000 330,633,000 61,582,000 164,237,000 159,790,000 52,926,000 110,614,000 80,921,000 129,269,000 343,911,000 137,423,000 135,718,000 315,816,000 337,321,000 280,944,000 279,112,000 231,907,000 213,133,000 219,492,000 208,621,000 134,238,000 131,819,000 79,871,000 169,603,000 98,516,000 141,622,000 159,595,000 
        restricted cash
      50,700,000 50,400,000 47,900,000 49,100,000 63,100,000 54,900,000 47,800,000 41,000,000 47,900,000 49,800,000 49,800,000 56,600,000 57,800,000 60,100,000 50,300,000 55,800,000 52,500,000 48,800,000 51,300,000 54,400,000 59,000,000 50,800,000 49,800,000 59,300,000 53,000,000 55,800,000 68,900,000                                                               
        corporate investments
      37,600,000 861,900,000 34,500,000 37,200,000 38,000,000 38,400,000 33,900,000 36,600,000 34,400,000 45,700,000 373,400,000 240,100,000 165,600,000 45,800,000 853,900,000 1,086,000,000 376,000,000 39,600,000 36,700,000 203,700,000 174,900,000 30,600,000 27,200,000 73,800,000 34,400,000 40,900,000 35,600,000 66,000,000 66,000,000 97,300,000 81,400,000 133,800,000 138,800,000 214,000,000 128,000,000 367,700,000 220,600,000 74,100,000 64,100,000 81,800,000 366,600,000 355,500,000 388,600,000 96,700,000 398,700,000 314,400,000 250,400,000 447,600,000 398,200,000 470,200,000 178,600,000 207,500,000 372,000,000 345,000,000 233,700,000 230,300,000 177,200,000 82,496,000 115,765,000 62,011,000 13,853,000 19,710,000 61,163,000 71,044,000 402,553,000 228,727,000 248,210,000 414,028,000 338,639,000 566,888,000 389,831,000 309,322,000 440,007,000 798,824,000 476,691,000 459,853,000 426,666,000 414,269,000 365,773,000 379,735,000 304,348,000 328,574,000 315,505,000 306,253,000 301,328,000 382,673,000 372,234,000 642,237,000 600,499,000 
        interest receivable
      35,000,000 34,000,000 27,900,000 22,600,000 23,700,000 22,900,000 23,300,000 22,800,000 23,700,000 23,400,000 24,400,000 27,400,000 23,200,000 20,600,000 22,300,000 20,400,000 22,700,000 21,300,000 24,400,000 22,900,000 24,800,000 23,600,000 26,200,000 26,100,000 29,000,000 27,100,000 23,700,000 32,200,000 32,200,000 31,500,000 35,200,000 32,000,000 35,900,000 32,000,000 35,800,000 31,700,000 36,100,000 31,600,000 36,700,000 32,100,000 37,900,000 32,200,000 36,400,000 29,600,000 36,300,000 29,400,000 34,800,000 28,700,000 32,400,000 25,300,000 31,000,000 30,600,000 22,100,000 29,400,000 21,800,000 28,200,000 22,800,000 28,672,000 22,591,000 29,107,000 23,189,000 27,722,000 21,955,000 29,791,000 29,529,000 34,435,000 31,219,000 38,564,000 35,373,000 38,628,000 41,919,000 25,934,000 38,139,000 28,260,000 29,328,000 19,501,000 31,108,000 19,525,000 22,883,000 18,027,000 22,564,000 17,764,000 21,388,000 16,905,000 22,787,000 18,891,000 21,111,000 20,821,000 20,402,000 
        accounts receivable
      1,355,500,000 1,359,300,000 1,330,500,000 1,244,800,000 1,256,900,000 1,126,200,000 1,059,600,000 1,088,600,000 1,082,700,000 1,015,800,000 873,300,000 799,400,000 873,600,000 876,400,000 723,800,000 720,900,000 817,000,000 574,100,000 578,300,000 694,800,000 519,000,000 414,800,000 384,100,000 436,300,000 464,900,000 425,100,000 821,000,000 492,400,000 531,400,000 550,500,000 595,200,000 538,600,000 507,500,000 429,900,000 528,900,000 485,600,000 408,600,000 353,400,000 241,100,000 206,600,000 176,600,000 148,400,000 205,600,000 168,900,000 149,400,000 129,600,000 178,800,000 154,700,000 133,400,000 125,100,000 169,300,000 142,400,000 197,900,000 161,100,000 141,600,000 224,600,000 208,600,000 186,587,000 159,131,000 221,711,000 201,330,000 177,958,000 165,154,000 219,438,000 197,128,000 184,686,000 158,042,000 213,787,000 210,982,000 163,673,000 215,563,000 194,891,000 189,835,000 155,321,000 210,401,000 189,317,000 161,849,000 146,827,000 182,730,000 165,770,000 135,764,000 115,726,000 148,760,000 128,169,000 118,512,000 98,839,000 122,521,000 112,177,000 86,424,000 
        peo unbilled receivables, net of advance collections
      640,000,000 609,400,000 616,600,000 597,900,000 598,900,000 553,800,000 542,400,000 590,700,000 544,400,000 535,400,000 528,500,000 588,200,000 494,800,000 476,300,000 572,100,000 463,400,000 531,800,000 489,100,000 450,900,000 388,200,000 448,000,000 417,500,000 380,000,000 384,600,000 411,700,000 409,200,000                                                                
        prepaid income taxes
      56,800,000 9,200,000 38,900,000 18,300,000 92,200,000  47,500,000 21,000,000 83,500,000  48,100,000 37,100,000 67,300,000  34,000,000 41,700,000 57,300,000  33,500,000 15,000,000 38,800,000  16,800,000 23,600,000 58,600,000  5,900,000 17,000,000 17,000,000 22,900,000 62,400,000  45,000,000 33,400,000 50,700,000  10,500,000 8,400,000 65,500,000  12,900,000  7,400,000  17,200,000  31,600,000  49,900,000  11,900,000 5,600,000  1,400,000  5,100,000  6,653,000    2,198,000  4,691,000  11,236,000  14,272,000   11,168,000  7,574,000  4,455,000  5,781,000  436,000  1,962,000    600,000     
        prepaid expenses and other current assets
      372,500,000 379,400,000 378,300,000 359,400,000 345,600,000 342,400,000 321,900,000 312,600,000 304,300,000 301,800,000 289,800,000 292,100,000 286,700,000 286,200,000 272,300,000 277,500,000 264,300,000 260,700,000 249,200,000 244,900,000 241,300,000 252,900,000 244,800,000 250,000,000 240,900,000 242,300,000 235,000,000 224,000,000 75,800,000 77,900,000 73,400,000 81,600,000 58,300,000 68,000,000 65,100,000 62,700,000 58,800,000 64,400,000 62,700,000 63,400,000 50,800,000 54,000,000 48,800,000 47,400,000 46,700,000 49,800,000 43,100,000 42,000,000 36,600,000 35,600,000 39,900,000 35,200,000 33,100,000 29,400,000 29,000,000 32,100,000 28,300,000 25,540,000 25,035,000 27,958,000 28,564,000 27,913,000 27,719,000 28,275,000 27,685,000 27,231,000 26,778,000 24,307,000 26,098,000 25,759,000 23,989,000 25,891,000 21,398,000 25,379,000 24,513,000 21,969,000 20,587,000 20,307,000 22,464,000 21,912,000 16,938,000 15,837,000 13,106,000 13,763,000 11,503,000 12,347,000 12,111,000 11,809,000 10,204,000 
        current assets before funds held for clients
      4,033,700,000 4,112,600,000 4,103,200,000 3,893,100,000 3,620,500,000 3,598,200,000 3,545,300,000 3,806,900,000 3,484,000,000 3,617,800,000 3,409,300,000 3,357,800,000 3,065,500,000 2,949,600,000 2,898,700,000 2,933,200,000 2,757,800,000 2,535,600,000 2,419,500,000 2,410,900,000 2,199,300,000 2,025,900,000 2,034,100,000 2,033,700,000 1,893,100,000 1,786,800,000 1,886,500,000 1,189,800,000 1,080,600,000 1,104,000,000 1,104,800,000 1,020,400,000 970,100,000 967,200,000 973,500,000 1,077,700,000 866,100,000 786,400,000 882,400,000 839,800,000 829,800,000 866,600,000 827,200,000 805,200,000 812,800,000 802,500,000 751,800,000 786,600,000 760,100,000 763,400,000 553,300,000 531,700,000 738,200,000 691,200,000 674,300,000 753,500,000 709,800,000 618,063,000 625,004,000 566,091,000 586,358,000 738,450,000 719,409,000 683,872,000 718,477,000 657,826,000 640,989,000 757,884,000 734,791,000 896,372,000 815,788,000 913,345,000 852,690,000 1,180,610,000 1,082,534,000 1,052,524,000 948,309,000 906,202,000 840,622,000 815,475,000 726,714,000 697,151,000 632,997,000 596,909,000 534,601,000 682,353,000 626,493,000 928,666,000 877,124,000 
        funds held for clients
      4,875,700,000 4,927,400,000 4,813,300,000 4,183,900,000 3,809,100,000 3,763,200,000 3,706,200,000 6,079,500,000 5,439,700,000 5,470,700,000 4,118,800,000 4,237,400,000 3,132,700,000 3,135,800,000 3,682,900,000 4,304,100,000 3,874,600,000 3,781,700,000 3,750,000,000 4,211,300,000 3,393,100,000 3,314,300,000 3,430,500,000 4,355,700,000 3,734,800,000 3,769,100,000 5,405,500,000 4,703,800,000 4,703,800,000 3,944,700,000 4,888,200,000 4,953,100,000 4,301,900,000 4,784,600,000 3,242,200,000 3,443,300,000 3,997,500,000 4,717,200,000 3,720,100,000 3,748,400,000 4,273,400,000 5,090,800,000 4,032,700,000 4,066,800,000 4,198,600,000 4,916,800,000 3,912,000,000 3,911,700,000 4,072,500,000 5,556,200,000 3,715,500,000 4,544,200,000 3,095,200,000 3,566,700,000 4,190,500,000 3,260,400,000 3,290,100,000 3,541,054,000 4,091,527,000 2,996,115,000 3,017,511,000 3,501,376,000 4,153,478,000 3,536,482,000 3,656,923,000 3,808,085,000 4,407,285,000 3,471,720,000 3,525,070,000 3,547,269,000 3,770,229,000 3,797,904,000 3,591,611,000 3,839,591,000 2,339,747,000 2,348,705,000 2,740,761,000 3,058,911,000 2,529,419,000 2,456,867,000 2,553,733,000 2,919,583,000 2,365,454,000 2,359,732,000 2,498,041,000 2,522,082,000 2,221,211,000 1,986,842,000 2,271,964,000 
        total current assets
      8,909,400,000 9,040,000,000 8,916,500,000 8,077,000,000 7,429,600,000 7,361,400,000 7,251,500,000 9,886,400,000 8,923,700,000 9,088,500,000 7,528,100,000 7,595,200,000 6,198,200,000 6,085,400,000 6,581,600,000 7,237,300,000 6,632,400,000 6,317,300,000 6,169,500,000 6,622,200,000 5,592,400,000 5,340,200,000 5,464,600,000 6,389,400,000 5,627,900,000 5,555,900,000 7,292,000,000 5,893,600,000 5,784,400,000 5,048,700,000 5,993,000,000 5,973,500,000 5,272,000,000 5,751,800,000 4,215,700,000 4,521,000,000 4,863,600,000 5,503,600,000 4,602,500,000 4,588,200,000 5,103,200,000 5,957,400,000 4,859,900,000 4,872,000,000 5,011,400,000 5,719,300,000 4,663,800,000 4,698,300,000 4,832,600,000 6,319,600,000 4,268,800,000 5,075,900,000 3,833,400,000 4,257,900,000 4,864,800,000 4,013,900,000 3,999,900,000 4,159,117,000 4,716,531,000 3,562,206,000 3,603,869,000 4,239,826,000 4,872,887,000 4,220,354,000 4,375,400,000 4,465,911,000 5,048,274,000 4,229,604,000 4,259,861,000 4,443,641,000 4,586,017,000 4,711,249,000 4,444,301,000 5,020,201,000 3,422,281,000 3,401,229,000 3,689,070,000 3,965,113,000 3,370,041,000 3,272,342,000 3,280,447,000 3,616,734,000 2,998,451,000 2,956,641,000 3,032,642,000 3,204,435,000 2,847,704,000 2,915,508,000 3,149,088,000 
        property and equipment
      551,200,000 525,400,000 511,500,000 451,200,000 432,100,000 417,400,000 411,700,000 419,100,000 417,600,000 404,500,000 396,300,000 385,000,000 393,000,000 398,100,000 401,300,000 399,500,000 398,600,000 395,400,000 395,800,000 393,100,000 392,400,000 396,000,000 407,400,000 403,800,000 401,700,000 403,400,000 404,700,000 393,500,000 393,500,000 397,200,000 377,100,000 328,600,000 337,200,000 341,600,000 349,300,000 348,400,000 353,000,000 350,000,000 352,700,000 350,100,000 353,900,000 347,700,000 344,400,000 346,600,000 342,200,000 345,100,000 351,400,000 350,500,000 346,000,000 341,700,000 351,800,000 324,300,000 310,500,000 308,700,000 303,700,000 279,500,000 268,000,000 267,583,000 264,273,000 262,024,000 268,317,000 274,530,000 280,956,000 283,029,000 275,628,000 275,297,000 274,366,000 264,902,000 260,943,000 253,485,000 246,638,000 237,131,000 234,664,000 223,561,000 218,900,000 213,573,000 205,319,000 176,578,000 173,842,000 171,573,000 171,346,000 169,054,000 169,021,000 160,138,000 159,039,000 153,815,000 151,786,000 136,981,000  
        operating lease right-of-use assets, net of accumulated amortization
      80,100,000 64,200,000 63,800,000 48,200,000 46,300,000 49,500,000 46,900,000 58,900,000 59,400,000 61,600,000 61,500,000 67,600,000 70,700,000 74,700,000 78,700,000 84,000,000 97,300,000 104,200,000 103,000,000 101,800,000 99,600,000 96,100,000 114,800,000 124,300,000 119,200,000 112,800,000                                                                
        intangible assets, net of accumulated amortization
      1,812,300,000 1,886,800,000 1,947,300,000 175,600,000 179,800,000 187,700,000 194,500,000 204,900,000 201,000,000 197,500,000 187,400,000 196,200,000 203,900,000 212,500,000 224,600,000 234,800,000 245,900,000 260,000,000 275,800,000 287,900,000 297,200,000 314,100,000 330,600,000 348,000,000 359,700,000 379,500,000 420,900,000 141,400,000 141,400,000 105,100,000 77,400,000 79,200,000 57,600,000 62,000,000 65,200,000 65,000,000 69,500,000 73,500,000 31,300,000 33,000,000 32,400,000 35,600,000 38,800,000 42,600,000 40,600,000 40,500,000 43,600,000 42,100,000 45,200,000 49,900,000 47,000,000 55,800,000 71,300,000 77,200,000 74,500,000 54,200,000 58,400,000 63,262,000 68,085,000 71,478,000 75,510,000 76,641,000 85,272,000 77,759,000 70,952,000 74,500,000 78,312,000 69,893,000 64,767,000 68,499,000 69,241,000 59,973,000 60,704,000 63,650,000 66,480,000 68,412,000 71,458,000 74,047,000            
        goodwill
      4,527,300,000 4,523,600,000 4,514,100,000 1,877,800,000 1,879,800,000 1,884,900,000 1,882,700,000 1,882,300,000 1,882,300,000 1,881,400,000 1,834,000,000 1,833,600,000 1,830,000,000 1,825,300,000 1,831,500,000 1,831,800,000 1,832,300,000 1,816,700,000 1,820,700,000 1,819,600,000 1,798,900,000 1,796,800,000 1,791,100,000 1,789,800,000 1,785,800,000 1,783,100,000 1,781,500,000 814,000,000 814,000,000 827,400,000 698,100,000 698,000,000 657,100,000 657,100,000 657,100,000 657,100,000 657,100,000 656,200,000 561,500,000 561,500,000 561,500,000 563,800,000 563,800,000 563,400,000 540,300,000 540,000,000 540,000,000 533,900,000 533,900,000 533,900,000 517,400,000 517,400,000 513,600,000 513,700,000 508,600,000 421,600,000 421,600,000 421,559,000 421,559,000 421,559,000 433,316,000 433,316,000 434,073,000 433,316,000 433,316,000 433,316,000 433,115,000 433,115,000 440,308,000 407,712,000 405,842,000 405,842,000 405,842,000 405,842,000 405,842,000 405,842,000 405,992,000 405,992,000 405,716,000 405,689,000 405,652,000 395,094,000 395,094,000 394,033,000 393,703,000 243,317,000 243,739,000   
        long-term deferred costs
      504,100,000 489,000,000 482,400,000 472,300,000 468,000,000 471,000,000 477,100,000 476,100,000 474,600,000 473,200,000 470,100,000 456,900,000 443,600,000 441,100,000 433,300,000 414,100,000 394,000,000 387,400,000 384,100,000 374,400,000 367,700,000 368,900,000 372,500,000 366,500,000 359,700,000 362,700,000 360,000,000 361,000,000                                                              
        other long-term assets
      134,500,000 134,000,000 128,500,000 119,500,000 119,100,000 117,200,000 115,000,000 94,600,000 91,900,000 91,700,000 65,200,000 65,300,000 60,600,000 52,300,000 53,700,000 51,600,000 50,700,000 44,400,000 34,200,000 31,100,000 31,200,000 29,800,000 38,200,000 27,800,000 27,900,000 28,600,000 18,400,000 16,400,000 34,900,000 34,100,000 33,200,000 32,100,000 30,900,000 32,700,000 31,800,000 34,200,000 31,600,000 31,100,000 32,300,000 34,000,000 31,700,000 31,100,000 30,400,000 29,300,000 12,900,000 10,400,000 8,600,000 4,500,000 2,800,000 2,800,000 3,600,000 3,300,000 3,900,000 3,600,000 3,600,000 3,800,000 3,500,000 3,592,000 3,772,000 3,947,000 4,151,000 4,381,000 4,481,000 4,863,000 4,804,000 5,151,000 5,353,000 5,581,000 6,525,000 5,949,000 7,417,000 7,553,000 6,527,000 6,341,000 6,525,000 6,786,000 7,277,000 7,435,000            
        total assets
      16,518,900,000 16,663,000,000 16,564,100,000 11,221,600,000 10,554,700,000 10,489,100,000 10,383,100,000 13,023,900,000 12,052,100,000 12,200,000,000 10,546,400,000 10,603,600,000 9,214,300,000 9,125,900,000 9,635,200,000 10,283,700,000 9,688,100,000 9,367,300,000 9,227,200,000 9,665,900,000 8,615,400,000 8,376,900,000 8,550,700,000 9,466,900,000 8,701,700,000 8,638,200,000 10,363,000,000 7,915,400,000 7,463,700,000 6,842,800,000 7,684,600,000 7,619,500,000 6,833,700,000 7,310,300,000 5,776,100,000 6,096,900,000 6,440,800,000 7,067,500,000 6,016,800,000 5,983,000,000 6,482,500,000 7,344,200,000 6,274,500,000 6,286,600,000 6,370,100,000 7,069,400,000 6,019,400,000 6,031,200,000 6,163,700,000 7,507,500,000 5,724,200,000 6,479,600,000 4,991,500,000 5,393,800,000 5,962,800,000 5,022,700,000 5,039,000,000 5,226,299,000 5,788,031,000 4,657,132,000 4,707,743,000 5,127,415,000 5,775,468,000 5,111,860,000 5,229,610,000 5,309,791,000 5,872,015,000 5,026,355,000 5,557,937,000 5,771,814,000 5,871,239,000 5,864,740,000 5,549,302,000 5,719,595,000 4,120,028,000 4,095,842,000 4,379,116,000 4,629,165,000 4,035,097,000 3,938,755,000 3,950,203,000 4,275,062,000 3,660,508,000 3,612,336,000 3,690,783,000 3,675,174,000 3,317,018,000 3,069,137,000 3,275,035,000 
        liabilities
                                                                                               
        accounts payable
      137,600,000 120,600,000 129,800,000 118,700,000 89,200,000 80,900,000 104,300,000 94,000,000 92,300,000 95,300,000 84,700,000 122,500,000 86,700,000 84,700,000 105,700,000 111,400,000 85,900,000 79,000,000 89,000,000 73,900,000 70,400,000 62,000,000 79,400,000 67,700,000 76,300,000 61,700,000 73,900,000 73,700,000 74,500,000 71,900,000 58,400,000 74,600,000 57,200,000 55,900,000 48,600,000 51,200,000 56,700,000 55,800,000 47,400,000 43,000,000 51,700,000 40,100,000 39,800,000 40,100,000 48,800,000 34,700,000 36,400,000 40,400,000 42,700,000 47,600,000 43,600,000 69,700,000 38,500,000 45,400,000 35,700,000 33,800,000 34,400,000 37,305,000 35,081,000 36,494,000 33,301,000 37,334,000 37,484,000 38,858,000 35,041,000 40,251,000 34,456,000 63,359,000 91,807,000 55,954,000 39,908,000 47,067,000 46,668,000 28,005,000 25,346,000 28,978,000 30,385,000 23,385,000 25,438,000 24,583,000 22,589,000 20,500,000 22,487,000 21,107,000 22,213,000 21,627,000 19,023,000 14,956,000 15,056,000 
        accrued corporate compensation and related items
      147,100,000 151,700,000 183,900,000 157,800,000 112,900,000 120,800,000 135,000,000 173,100,000 164,100,000 123,000,000 209,900,000 177,000,000 173,800,000 138,700,000 225,400,000 177,200,000 170,200,000 132,000,000 209,700,000 164,300,000 149,300,000 97,600,000 131,700,000 115,000,000 121,500,000 84,500,000                                                                
        accrued worksite employee compensation and related items
      807,200,000 779,700,000 735,800,000 746,800,000 704,300,000 677,200,000 662,400,000 903,800,000 806,200,000 763,900,000 763,900,000 765,900,000 742,000,000 715,000,000 683,400,000 636,000,000 669,800,000 595,600,000 586,400,000 609,400,000 518,300,000 503,900,000 512,400,000 567,900,000 568,300,000 544,100,000                                                                
        short-term borrowings
      18,200,000 18,500,000  17,600,000 18,200,000 18,900,000 18,700,000 18,800,000 13,600,000 13,700,000 10,200,000 10,200,000 10,100,000 10,300,000 8,700,000 8,700,000 8,900,000 7,100,000 7,400,000 7,000,000 6,900,000 6,100,000 5,100,000 51,200,000 51,300,000 56,500,000 53,600,000   57,700,000 133,400,000 57,200,000  55,400,000 103,100,000 51,300,000                                                      
        accrued income taxes
      44,400,000 124,900,000 119,000,000 118,200,000 113,200,000 73,500,000 102,600,000 99,300,000 93,200,000 61,000,000 83,000,000 70,200,000 65,600,000 40,000,000 58,100,000 56,800,000 44,600,000 40,900,000    51,800,000 50,500,000 32,600,000 30,600,000 49,000,000 20,400,000  18,400,000 51,800,000 50,100,000 4,100,000 45,600,000 48,000,000 83,700,000 65,600,000 72,800,000 69,800,000 67,200,000 29,400,000 44,800,000 10,800,000 41,300,000 60,200,000 28,600,000 8,100,000 23,700,000 25,600,000 19,700,000 9,900,000 42,800,000 35,900,000 57,800,000 34,100,000 2,100,000 28,100,000 54,800,000 27,468,000 23,531,000 1,739,000 58,223,000 25,730,000 18,996,000 21,105,000 55,227,000 17,728,000 22,823,000 14,620,000 47,943,000 12,516,000  51,619,000  21,160,000  43,838,000  19,042,000  29,236,000  20,379,000 280,000 23,147,000  16,460,000 1,170,000 30,439,000 21,275,000 
        long-term debt, net, current portion
      399,900,000 399,900,000 399,800,000                                                                                       
        deferred revenue
      70,500,000 68,800,000 69,400,000 51,700,000 50,700,000 50,300,000 50,200,000 51,700,000 55,100,000 51,000,000 47,300,000 43,800,000 44,800,000 40,800,000 38,400,000 37,100,000 39,800,000 38,600,000 37,900,000 38,400,000 40,600,000 39,600,000 39,200,000 38,800,000 42,200,000 41,300,000 39,400,000 34,600,000 24,300,000 23,700,000 27,000,000 24,700,000 22,900,000 25,100,000 28,500,000 26,800,000 26,300,000        6,900,000   4,500,000 5,200,000 3,900,000 2,500,000 3,000,000 2,700,000 3,000,000 3,400,000 2,700,000 2,900,000 3,447,000 3,792,000 2,516,000 9,596,000 9,542,000 10,812,000 11,545,000 10,216,000 10,326,000 8,830,000 5,948,000 6,705,000 7,731,000 5,288,000 5,748,000 5,809,000 5,339,000 3,505,000 3,542,000 4,271,000 5,081,000 3,915,000 3,829,000 3,650,000 3,610,000 2,608,000 2,706,000 3,645,000 4,885,000 2,464,000 2,596,000 5,189,000 
        other current liabilities
      531,500,000 641,100,000 552,000,000 455,300,000 458,900,000 478,700,000 469,800,000 518,000,000 496,300,000 558,100,000 395,400,000 370,900,000 346,100,000 361,400,000 388,400,000 382,400,000 408,400,000 361,300,000 336,800,000 333,500,000 309,900,000 304,200,000 277,600,000 277,100,000 268,000,000 270,500,000 127,100,000 132,900,000 132,900,000 142,200,000 103,800,000 100,000,000 91,900,000 84,100,000 96,800,000 84,900,000 79,800,000 100,000,000 63,200,000 54,800,000 50,800,000 52,200,000 50,300,000 48,000,000 37,800,000 43,500,000 41,300,000 35,100,000 34,300,000 34,500,000 32,600,000 33,800,000 39,000,000 38,600,000 39,700,000 38,000,000 41,400,000 41,225,000 41,314,000 42,138,000 43,020,000 44,704,000 48,973,000 47,469,000 47,434,000 47,457,000 46,670,000 47,080,000 45,357,000 41,342,000 39,908,000 37,091,000 34,008,000 32,274,000 32,498,000 31,184,000 28,391,000 23,330,000 20,723,000 20,371,000 18,049,000 30,068,000 21,213,000 19,681,000 18,169,000 20,573,000 18,772,000 15,980,000 16,271,000 
        current liabilities before client fund obligations
      2,156,400,000 2,180,300,000 2,089,300,000 1,547,900,000 1,434,200,000 1,500,300,000 1,440,400,000 1,759,400,000 1,627,600,000 1,666,000,000 1,511,400,000 1,490,300,000 1,403,500,000 1,390,900,000 1,450,000,000 1,352,800,000 1,383,000,000 1,254,500,000 1,267,200,000 1,226,500,000 1,095,400,000 1,065,200,000 1,095,900,000 1,117,700,000 1,127,600,000 1,107,600,000 1,134,300,000 561,800,000 552,300,000 651,800,000 603,800,000 537,600,000 452,500,000 498,600,000 522,300,000 525,600,000 410,600,000 375,300,000 320,400,000 319,600,000 312,900,000 289,100,000 279,000,000 313,900,000 271,800,000 258,200,000 229,500,000 237,200,000 228,500,000 246,300,000 224,000,000 251,300,000 303,000,000 274,400,000 242,200,000 280,800,000 306,600,000 262,201,000 291,022,000 263,743,000 307,414,000 264,214,000 276,077,000 246,829,000 280,537,000 253,591,000                        
        client fund obligations
      4,884,700,000 4,948,400,000 4,867,000,000 4,251,800,000 3,895,000,000 3,843,600,000 3,868,700,000 6,241,400,000 5,626,800,000 5,677,500,000 4,294,000,000 4,467,800,000 3,350,400,000 3,311,300,000 3,819,200,000 4,335,100,000 3,838,900,000 3,703,400,000 3,671,000,000 4,129,500,000 3,284,600,000 3,197,900,000 3,331,000,000 4,272,000,000 3,696,300,000 3,715,900,000 5,415,400,000 4,734,900,000 4,734,900,000 3,971,900,000 4,897,900,000 4,918,100,000 4,272,600,000 4,775,100,000 3,261,800,000 3,387,600,000 3,955,300,000 4,663,900,000 3,689,500,000 3,726,800,000 4,260,100,000 5,058,900,000 4,000,300,000 4,030,100,000 4,167,100,000 4,880,700,000 3,889,600,000 3,913,200,000 4,039,700,000 5,510,200,000 3,664,600,000 4,494,400,000 3,034,100,000 3,513,900,000 4,148,300,000 3,204,900,000 3,213,600,000 3,479,977,000 4,021,401,000 2,922,986,000 2,952,240,000 3,437,679,000 4,089,570,000 3,504,679,000 3,623,145,000 3,783,681,000                        
        total current liabilities
      7,041,100,000 7,128,700,000 6,956,300,000 5,799,700,000 5,329,200,000 5,343,900,000 5,309,100,000 8,000,800,000 7,254,400,000 7,343,500,000 5,805,400,000 5,958,100,000 4,753,900,000 4,702,200,000 5,269,200,000 5,687,900,000 5,221,900,000 4,957,900,000 4,938,200,000 5,356,000,000 4,380,000,000 4,263,100,000 4,426,900,000 5,389,700,000 4,823,900,000 4,823,500,000 6,549,700,000 5,296,700,000 5,287,200,000 4,623,700,000 5,501,700,000 5,455,700,000 4,725,100,000 5,273,700,000 3,784,100,000 3,913,200,000 4,365,900,000 5,039,200,000 4,009,900,000 4,046,400,000 4,573,000,000 5,348,000,000 4,279,300,000 4,344,000,000 4,438,900,000 5,138,900,000 4,119,100,000 4,150,400,000 4,268,200,000 5,756,500,000 3,888,600,000 4,745,700,000 3,337,100,000 3,788,300,000 4,390,500,000 3,485,700,000 3,520,200,000 3,742,178,000 4,312,423,000 3,186,729,000 3,259,654,000 3,701,893,000 4,365,647,000 3,751,508,000 3,903,682,000 4,037,272,000 4,647,850,000 3,711,740,000 3,845,490,000 3,811,484,000 3,985,453,000 4,064,845,000 3,838,372,000 4,080,751,000 2,542,434,000 2,583,502,000 2,941,824,000 3,256,693,000 2,707,413,000 2,650,741,000 2,721,903,000 3,052,708,000 2,477,506,000 2,476,089,000 2,587,525,000 2,618,715,000 2,305,189,000 2,090,522,000 2,385,302,000 
        deferred income taxes
      531,900,000 518,000,000 444,700,000 93,000,000 95,300,000 95,100,000 86,000,000 94,800,000 103,000,000 101,300,000 112,100,000 116,500,000 129,800,000 157,100,000 165,500,000 188,500,000 207,600,000 225,700,000 218,000,000 233,300,000 240,400,000 243,500,000 240,800,000 232,700,000 226,800,000 227,600,000 229,200,000 154,400,000 48,800,000 41,900,000 85,000,000 95,400,000 33,900,000 17,700,000 18,500,000 41,200,000 22,100,000 1,400,000   15,000,000 11,200,000   12,000,000 8,000,000 100,000 2,000,000 2,300,000 6,800,000  1,600,000  5,900,000 12,200,000   3,799,000 23,221,000  4,099,000 10,180,000 15,011,000 15,501,000  7,274,000 16,950,000  13,085,000 20,503,000 4,049,000 13,396,000 18,314,000 37,108,000 21,330,000 24,563,000 21,374,000 26,162,000 14,429,000 16,898,000 25,646,000 10,629,000 15,431,000 10,298,000 7,488,000 5,516,000 12,394,000 170,000 1,247,000 
        long-term borrowings, net of debt issuance costs
      4,552,200,000 4,550,300,000  799,000,000 798,900,000 798,700,000 798,600,000 798,500,000 798,400,000 798,300,000 798,200,000 798,100,000 797,900,000 797,800,000 797,700,000 797,600,000 797,500,000 797,400,000 797,300,000 797,200,000 797,000,000 796,900,000 796,800,000 796,700,000 796,600,000 796,500,000                                                                
        operating lease liabilities
      66,600,000 52,900,000 55,500,000 47,100,000 45,700,000 49,400,000 49,000,000 51,500,000 53,500,000 55,100,000 57,300,000 62,900,000 66,800,000 71,000,000 74,800,000 79,300,000 86,700,000 92,600,000 92,400,000 92,700,000 92,200,000 95,100,000 96,900,000 105,100,000 100,100,000 93,800,000                                                                
        other long-term liabilities
      316,500,000 317,600,000 312,200,000 248,000,000 246,700,000 243,000,000 236,800,000 231,900,000 225,200,000 225,900,000 197,200,000 196,700,000 195,000,000 198,700,000 184,700,000 187,600,000 210,000,000 207,900,000 207,500,000 191,800,000 202,500,000 187,700,000 174,400,000 150,300,000 154,300,000 147,800,000 165,700,000 89,100,000 84,800,000 79,900,000 78,900,000 76,700,000 73,800,000 74,200,000 74,200,000 72,300,000 68,300,000 66,100,000 67,000,000 64,400,000 62,400,000 62,900,000 60,700,000 58,100,000 56,600,000 55,100,000 54,600,000 52,300,000 48,800,000 48,500,000 48,100,000 52,900,000 48,900,000 52,100,000 51,200,000 50,200,000 45,800,000 46,871,000 45,397,000 43,890,000 44,031,000 45,541,000 45,227,000 45,023,000 45,281,000 48,549,000 48,715,000 48,266,000 48,122,000 45,635,000 44,939,000 40,106,000 40,606,000 41,485,000 39,420,000 37,023,000 33,858,000 25,090,000 22,368,000 17,884,000 13,931,000 14,317,000 20,095,000 19,688,000 18,842,000 13,148,000 11,363,000   
        total liabilities
      12,638,800,000 12,692,400,000 12,436,100,000 7,105,000,000 6,629,000,000 6,638,700,000 6,582,100,000 9,276,800,000 8,527,700,000 8,612,200,000 7,053,200,000 7,202,500,000 6,009,000,000 5,988,500,000 6,550,000,000 6,997,700,000 6,568,300,000 6,323,800,000 6,279,200,000 6,689,500,000 5,725,700,000 5,598,300,000 5,769,300,000 6,707,100,000 6,132,300,000 6,118,900,000 7,765,000,000 5,558,600,000 5,439,200,000 4,797,300,000 5,715,700,000 5,675,700,000 4,878,400,000 5,413,600,000 3,960,500,000 4,108,800,000 4,529,100,000 5,193,400,000 4,158,500,000 4,192,200,000 4,697,000,000 5,472,200,000 4,440,200,000 4,501,000,000 4,593,100,000 5,281,200,000 4,259,000,000 4,282,800,000 4,390,000,000 5,901,600,000 4,026,000,000 4,875,100,000 3,452,200,000 3,897,600,000 4,494,600,000 3,573,200,000 3,602,000,000 3,824,320,000 4,390,911,000 3,264,942,000 3,342,881,000 3,785,937,000 4,444,319,000 3,827,137,000 3,979,485,000 4,113,149,000 4,720,024,000 3,781,944,000 3,913,815,000 3,868,778,000 4,043,632,000 4,119,166,000 3,894,459,000 4,139,005,000 2,598,910,000 2,637,909,000 2,993,441,000 3,297,774,000 2,745,362,000 2,683,383,000 2,750,230,000 3,079,550,000 2,505,908,000 2,503,109,000 2,613,412,000 2,631,863,000 2,316,552,000 2,097,000,000 2,390,737,000 
        commitments and contingencies — note i
                                                                                               
        stockholders’ equity
                                                                                               
        common stock, 0.01 par value...
      3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,700,000 3,700,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,600,000 3,615,000 3,614,000 3,614,000  3,610,000 3,608,000 3,608,000 3,608,000 3,605,000 3,604,000 3,637,000 3,747,000 3,819,000 3,811,000 3,804,000 3,803,000   3,790,000 3,786,000             
        additional paid-in capital
      1,944,100,000 1,921,800,000 1,901,100,000 1,814,800,000 1,789,400,000 1,761,700,000 1,729,500,000 1,702,500,000 1,678,600,000 1,666,400,000 1,626,400,000 1,608,000,000 1,588,600,000 1,568,900,000 1,545,900,000 1,530,900,000 1,505,500,000 1,481,500,000 1,446,700,000 1,416,300,000 1,394,100,000 1,325,300,000 1,289,900,000 1,277,700,000 1,252,800,000 1,224,000,000 1,187,900,000 1,126,800,000 1,126,800,000 1,107,200,000 1,093,500,000 1,072,100,000 1,030,000,000 1,016,600,000 993,900,000 986,400,000 952,700,000 933,400,000 920,500,000 897,000,000 880,100,000 868,300,000 844,000,000 812,300,000 794,400,000 776,300,000 749,900,000 715,400,000 659,500,000 604,700,000 594,100,000 561,100,000 540,000,000 535,600,000 522,300,000 512,300,000 506,200,000 499,665,000 492,008,000 485,853,000 478,681,000 466,427,000 456,690,000 451,245,000 443,644,000 431,639,000 421,563,000 416,622,000 408,883,000 348,929,000 317,849,000 294,149,000 284,395,000 269,792,000 264,966,000 248,511,000 240,700,000 237,114,000 234,629,000 231,756,000 227,164,000 220,039,000 216,706,000 205,850,000 198,713,000 193,811,000 191,435,000 188,348,000 169,143,000 
        retained earnings
      1,950,000,000 2,070,200,000 2,277,000,000 2,387,800,000 2,224,600,000 2,165,400,000 2,213,000,000 2,186,200,000 2,009,400,000 2,100,900,000 2,023,100,000 1,993,700,000 1,811,400,000 1,736,300,000 1,669,600,000 1,798,500,000 1,606,900,000 1,513,300,000 1,445,900,000 1,499,300,000 1,418,900,000 1,370,200,000 1,431,400,000 1,433,300,000 1,301,400,000 1,265,200,000 1,425,800,000 1,262,600,000 930,300,000 961,400,000 881,000,000 843,700,000 901,700,000 871,900,000 834,900,000 958,900,000 926,200,000 899,600,000 913,900,000 876,400,000 894,300,000 978,300,000 964,300,000 943,700,000 957,500,000 983,700,000 993,200,000 1,034,200,000 1,088,500,000 964,900,000 1,060,800,000 1,002,100,000 951,500,000 919,500,000 913,000,000 894,500,000 873,000,000 856,290,000 852,936,000 853,084,000 839,366,000 829,501,000 827,726,000 808,875,000 780,570,000 745,351,000 718,053,000 815,147,000 1,235,588,000 1,554,254,000 1,507,826,000 1,455,176,000 1,380,971,000 1,319,074,000 1,265,291,000 1,213,377,000 1,147,611,000 1,095,349,000 1,051,763,000 1,014,079,000 971,738,000 955,683,000 920,483,000 885,085,000 846,196,000 816,283,000 786,163,000 752,895,000 690,865,000 
        accumulated other comprehensive loss
      -17,600,000 -25,000,000 -53,700,000 -89,600,000 -91,900,000 -80,300,000 -145,100,000 -145,200,000 -167,200,000 -183,100,000 -159,900,000 -204,200,000 -198,300,000 -171,400,000             -19,300,000 -36,200,000                                         -4,096,000 -3,966,000 -1,879,000 -7,555,000 -14,326,000 -12,074,000 -12,935,000 -7,745,000 -6,422,000 -4,857,000 -440,000           
        total stockholders’ equity
      3,880,100,000 3,970,600,000 4,128,000,000 4,116,600,000 3,925,700,000 3,850,400,000 3,801,000,000 3,747,100,000 3,524,400,000 3,587,800,000 3,493,200,000 3,401,100,000 3,205,300,000 3,137,400,000 3,085,200,000 3,286,000,000 3,119,800,000 3,043,500,000 2,948,000,000 2,976,400,000 2,889,700,000 2,778,600,000 2,781,400,000 2,759,800,000 2,569,400,000 2,519,300,000 2,598,000,000 2,356,800,000 2,024,500,000 2,045,500,000 1,968,900,000 1,943,800,000 1,955,300,000 1,896,700,000 1,815,600,000 1,988,100,000 1,911,700,000 1,874,100,000 1,858,300,000 1,790,800,000 1,785,500,000 1,872,000,000 1,834,300,000 1,785,600,000 1,777,000,000 1,788,200,000 1,760,400,000 1,748,400,000 1,773,700,000 1,605,900,000 1,698,200,000 1,604,500,000 1,539,300,000 1,496,200,000 1,468,200,000 1,449,500,000 1,437,000,000 1,401,979,000 1,397,120,000 1,392,190,000 1,364,862,000 1,341,478,000 1,331,149,000 1,284,723,000 1,250,125,000 1,196,642,000 1,151,991,000 1,244,411,000 1,644,122,000 1,903,036,000 1,827,607,000 1,745,574,000 1,654,843,000 1,580,590,000 1,521,118,000 1,457,933,000 1,385,675,000 1,331,391,000 1,289,735,000 1,255,372,000 1,199,973,000 1,195,512,000 1,154,600,000 1,109,227,000 1,077,371,000 1,043,311,000 1,000,466,000 972,137,000 884,298,000 
        total liabilities and stockholders’ equity
      16,518,900,000 16,663,000,000 16,564,100,000 11,221,600,000 10,554,700,000 10,489,100,000 10,383,100,000 13,023,900,000 12,052,100,000 12,200,000,000 10,546,400,000 10,603,600,000 9,214,300,000 9,125,900,000 9,635,200,000 10,283,700,000 9,688,100,000 9,367,300,000 9,227,200,000 9,665,900,000 8,615,400,000 8,376,900,000 8,550,700,000 9,466,900,000 8,701,700,000 8,638,200,000 10,363,000,000 7,915,400,000 7,463,700,000 6,842,800,000 7,684,600,000 7,619,500,000 6,833,700,000 7,310,300,000 5,776,100,000 6,096,900,000 6,440,800,000 7,067,500,000 6,016,800,000 5,983,000,000 6,482,500,000 7,344,200,000 6,274,500,000 6,286,600,000 6,370,100,000 7,069,400,000 6,019,400,000 6,031,200,000 6,163,700,000 7,507,500,000 5,724,200,000 6,479,600,000 4,991,500,000 5,393,800,000 5,962,800,000 5,022,700,000 5,039,000,000 5,226,299,000 5,788,031,000 4,657,132,000 4,707,743,000 5,127,415,000 5,775,468,000 5,111,860,000 5,229,610,000 5,309,791,000 5,872,015,000 5,026,355,000 5,557,937,000 5,771,814,000 5,871,239,000 5,864,740,000 5,549,302,000 5,719,595,000 4,120,028,000 4,095,842,000 4,379,116,000 4,629,165,000 4,035,097,000 3,938,755,000 3,950,203,000 4,275,062,000 3,660,508,000 3,612,336,000 3,690,783,000 3,675,174,000 3,317,018,000 3,069,137,000 3,275,035,000 
        long-term corporate investments
            3,700,000 1,600,000 1,600,000 1,600,000 3,800,000 3,800,000 3,900,000 3,900,000 5,000,000 5,100,000 7,000,000 7,100,000 7,100,000 9,900,000 10,100,000 10,200,000 10,200,000 10,200,000 10,100,000 10,300,000 20,000,000 295,500,000 295,500,000 405,400,000 480,900,000 483,200,000 454,000,000 440,200,000 432,100,000 446,300,000 441,100,000 428,600,000 436,500,000 416,200,000 399,800,000 408,600,000 398,500,000 396,500,000 385,600,000 377,800,000 375,900,000 365,600,000 369,100,000 227,000,000 504,300,000 473,700,000 232,900,000 207,300,000 182,600,000 226,400,000 266,300,000 290,106,000 294,088,000 317,430,000 304,874,000 82,234,000 82,221,000 77,038,000 55,011,000 41,798,000 18,913,000 9,117,000 510,465,000 578,896,000 543,827,000 430,793,000 384,481,000                 
        short-term debt
        18,600,000                                                                                       
        long-term debt
        4,548,400,000                                                                                       
        commitments and contingencies — note q
                                                                                               
        long-term restricted cash
                  10,400,000 32,600,000 25,500,000 25,500,000 29,900,000 34,800,000 37,000,000 25,900,000 25,900,000 24,800,000 21,300,000 7,100,000 9,700,000 1,900,000 65,500,000                                                               
        commitments and contingencies — note p
                                                                                               
        commitments and contingencies — note h
                                                                                               
        accumulated other comprehensive (loss)/income
                    -133,900,000 -47,000,000             -36,200,000 -26,700,000 -9,200,000    -16,800,000             -4,900,000                                 -2,709,000         
        accumulated other comprehensive income
                      3,800,000 45,100,000 51,800,000 57,200,000 73,100,000 79,500,000 56,500,000 45,200,000 11,600,000 26,500,000      24,400,000 20,000,000 4,600,000  39,200,000 29,200,000 37,500,000 20,300,000 13,800,000 7,500,000 21,800,000 22,400,000 26,000,000 21,500,000 24,600,000 13,700,000  22,000,000 32,700,000 39,700,000 37,700,000 44,200,000 37,500,000 29,300,000 39,100,000 54,200,000 42,409,000 48,562,000 49,639,000 43,201,000 41,940,000 43,125,000 20,995,000 22,303,000                 16,013,000 13,636,000 14,522,000 28,695,000 29,453,000 19,105,000 27,133,000 20,539,000 
        commitments and contingencies — note r
                                                                                               
        commitments and contingencies — note n
                                                                                               
        accrued compensation and related items
                                840,300,000 320,600,000 320,600,000 356,300,000 281,200,000 277,000,000 280,500,000 278,100,000 245,300,000 245,800,000 247,800,000 219,500,000 194,000,000 191,300,000 210,400,000 186,000,000 174,400,000 156,100,000 171,700,000 164,100,000 135,800,000 129,300,000 138,200,000 139,300,000 116,800,000 130,900,000 146,100,000 172,500,000 149,100,000 183,200,000 148,800,000 163,219,000 128,745,000 136,777,000 125,102,000 135,064,000 123,305,000 117,920,000 107,629,000 132,589,000 118,088,000 111,845,000 99,643,000 128,983,000 107,655,000 97,215,000 130,069,000 120,674,000 105,778,000 95,838,000 106,635,000 95,327,000 93,192,000 88,191,000 87,344,000 76,951,000 66,312,000 55,571,000 70,388,000 57,149,000 48,179,000 42,619,000 64,142,000 
        long-term borrowings
                                800,000,000                                                               
        commitments and contingencies — note m
                                                                                               
        commitments and contingencies — note l
                                                                                               
        commitments and contingencies — note o
                                                                                               
        commitments and contingencies — note j
                                                                                               
        commitments and contingencies – note j
                                                                                               
        commitments and contingencies – note i
                                                                                               
        commitments and contingencies – note h
                                                                                               
        commitments and contingencies - note h
                                                                                               
        litigation reserve
                                                                39,096,000 20,396,000 20,378,000 20,411,000 20,404,000 20,736,000 22,934,000 22,968,000 23,236,000 23,522,000 25,662,000 13,168,000                    
        issued and outstanding: 361,382 shares as of august 31, 2009
                                                                                               
        and 360,976 shares as of may 31, 2009, respectively
                                                                  3,614,000                             
        deferred taxes
                                                                   17,159,000                            
        accumulated other comprehensive income/
                                                                       16,047,000 8,771,000 9,005,000            5,755,000          
        current liabilities before client fund deposits
                                                                        254,103,000 253,873,000 317,117,000 259,694,000 212,525,000 259,047,000 232,179,000 228,936,000 189,750,000 227,311,000 194,953,000 193,521,000 178,315,000 201,257,000 166,679,000 151,508,000 128,331,000 132,510,000 121,903,000 126,210,000 102,002,000 125,609,000 129,562,000 
        client fund deposits
                                                                        4,393,747,000 3,457,867,000 3,528,373,000 3,551,790,000 3,772,928,000 3,805,798,000 3,606,193,000 3,851,815,000 2,352,684,000 2,356,191,000 2,746,871,000 3,063,172,000 2,529,098,000 2,449,484,000 2,555,224,000 2,901,200,000 2,349,175,000 2,343,579,000 2,465,622,000 2,492,505,000 2,203,187,000 1,964,913,000 2,255,740,000 
        legal reserve
                                                                            19,766,000 20,307,000 15,625,000 21,484,000 22,623,000 23,931,000 25,271,000 27,356,000 35,047,000 35,047,000 35,047,000         
        issued and outstanding: 379,773 shares at february 28, 2006 and 378,629 shares at may 31, 2005, respectively
                                                                               3,798,000                
        issued and outstanding: 379,596 shares at november 30, 2005 and 378,629 shares at may 31, 2005, respectively
                                                                                3,796,000               
        commitments and contingencies - note i
                                                                                               
        issued and outstanding: 378,459 shares at february 28, 2005 and 377,968 shares at may 31, 2004, respectively
                                                                                   3,785,000            
        other assets
                                                                                    7,803,000 8,175,000 8,207,000 6,550,000 6,592,000 6,847,000 7,057,000 7,154,000 7,498,000 7,752,000 8,934,000 
        intangible assets
                                                                                    77,695,000 80,976,000 84,551,000 87,630,000 91,350,000 94,677,000 98,342,000 66,453,000 66,291,000 8,726,000  
        common stock, .01 par value...
                                                                                    3,783,000 3,782,000 3,780,000 3,777,000 3,775,000 3,770,000 3,767,000  3,763,000  3,751,000 
        see notes to consolidated financial statements.
                                                                                               
        long-term liabilities
                                                                                             6,478,000 5,435,000 
        property and equipment – net
                                                                                              106,914,000 
        intangible assets – net
                                                                                              8,852,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-11-30 2025-08-31 2025-05-31 2025-02-28 2024-11-30 2024-08-31 2024-05-31 2024-02-29 2023-11-30 2023-08-31 2023-05-31 2023-02-28 2022-11-30 2022-08-31 2022-05-31 2022-02-28 2021-11-30 2021-08-31 2021-05-31 2021-02-28 2020-11-30 2020-08-31 2020-05-31 2020-02-29 2019-11-30 2019-08-31 2019-05-31 2019-02-28 2018-11-30 2018-08-31 2018-05-31 2018-02-28 2017-11-30 2017-08-31 2017-05-31 2017-02-28 2016-11-30 2016-08-31 2016-05-31 2016-02-29 2015-11-30 2015-08-31 2015-05-31 2015-02-28 2014-11-30 2014-08-31 2014-05-31 2014-02-28 2013-11-30 2013-08-31 2013-02-28 2011-08-31 2011-05-31 2011-02-28 2010-11-30 2010-08-31 2010-05-31 2010-02-28 2009-11-30 2009-08-31 2009-05-31 2009-02-28 2008-11-30 2008-08-31 2008-05-31 2008-02-29 2007-11-30 2007-08-31 2006-11-30 2006-08-31 2006-05-31 2006-02-28 2005-11-30 2005-08-31 2005-05-31 2005-02-28 2004-11-30 2004-08-31 2004-05-31 2004-02-29 2003-11-30 2003-08-31 2003-05-31 2003-02-28 2002-11-30 2002-08-31 
                                                                                              
          operating activities
                                                                                              
          net income
        395,400,000 383,800,000 297,200,000 519,300,000 413,400,000 427,400,000 379,900,000 498,600,000 392,700,000 419,200,000 350,400,000 467,400,000 360,300,000 379,200,000 296,400,000 430,700,000 332,100,000 333,600,000 263,000,000 350,500,000 272,400,000 211,600,000 220,700,000 354,500,000 258,700,000 264,200,000 230,400,000 324,600,000 235,800,000 243,600,000 228,500,000 260,400,000 217,000,000 227,800,000 195,300,000 202,500,000 202,100,000 217,400,000 178,100,000 180,400,000 189,200,000 209,100,000 161,200,000 169,400,000 173,000,000 171,300,000 145,900,000 160,100,000 158,700,000 162,800,000 144,500,000 148,900,000 118,900,000 130,600,000 133,900,000 131,900,000 115,522,000 112,007,000 125,850,000 123,620,000 113,804,000 130,790,000 140,242,000 148,709,000 135,484,000 142,474,000 147,112,000 151,075,000 132,666,000 135,081,000 122,740,000 114,534,000 112,612,000 115,028,000 101,481,000 92,782,000 86,865,000 87,721,000 61,405,000 80,518,000 80,684,000 80,343,000 71,340,000 71,521,000 74,651,000 75,940,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                              
          depreciation and amortization
        109,100,000 109,300,000 85,700,000 43,100,000 41,700,000 39,000,000 45,600,000 44,800,000 44,900,000 41,200,000 44,100,000 44,200,000 44,300,000 44,000,000 49,100,000 48,400,000 48,600,000 45,700,000 47,400,000 46,400,000 48,600,000 49,600,000                                                                 
          amortization of premiums and discounts on afs securities and long-term debt
        -2,000,000 -2,100,000                                                                                     
          amortization of deferred contract costs
        61,400,000 60,400,000 59,900,000 59,300,000 58,800,000 58,500,000 58,300,000 58,300,000 57,900,000 57,200,000 56,100,000 55,500,000 54,500,000 53,000,000 51,900,000 51,100,000 50,000,000 49,100,000 48,400,000 47,900,000 47,800,000 47,300,000 47,000,000   46,000,000 45,400,000                                                            
          stock-based compensation costs
        25,500,000 26,800,000 61,300,000 17,600,000 16,400,000 16,500,000 16,000,000 14,400,000 14,700,000 16,000,000 16,600,000 16,300,000 15,300,000 14,400,000 13,600,000 12,800,000 14,000,000 12,400,000 14,400,000 12,600,000 12,200,000 13,300,000 10,900,000 12,700,000 13,300,000 10,500,000 12,600,000 10,800,000 11,900,000 10,900,000 15,200,000 10,300,000 10,400,000 8,700,000 8,900,000 8,900,000 8,500,000 9,100,000 8,500,000 8,600,000 8,700,000 8,800,000 7,400,000 8,600,000 7,900,000 7,500,000 4,600,000 7,100,000 7,100,000 7,500,000 5,400,000 6,600,000 6,000,000 5,300,000 6,400,000 7,100,000 6,459,000 5,811,000 6,585,000 6,725,000 6,397,000 5,368,000 7,020,000 6,922,000 6,445,000 6,084,000 6,583,000 6,322,000 5,761,000 6,527,000                 
          provision on/(benefit from) deferred income taxes
        11,200,000 66,000,000                                                                                     
          provision for credit losses
        4,500,000 7,700,000 6,600,000 5,200,000 4,900,000 7,500,000 4,900,000 4,900,000 5,700,000 4,300,000                                                                             
          net realized gains on sales of afs securities
                   -100,000 -100,000 -100,000  -300,000                                                                   
          changes in operating assets and liabilities:
                                                                                              
          interest receivable
        -1,000,000 -6,100,000 -4,500,000 1,100,000 -800,000 400,000 -500,000 900,000 -300,000 1,000,000 3,000,000 -4,200,000 -2,600,000 1,700,000 -1,900,000 2,300,000 -1,400,000 3,100,000 -1,600,000 2,000,000 -1,200,000 2,600,000 -100,000 2,900,000 -1,900,000 300,000 -3,700,000 4,900,000 500,000 3,100,000 -700,000 3,700,000 -3,200,000 3,900,000 -3,900,000 3,800,000 -4,100,000 4,400,000 -4,500,000 5,100,000 -4,600,000 5,800,000 -5,700,000 4,200,000 -6,800,000 6,700,000 -6,900,000 5,400,000 -6,100,000 3,700,000 5,700,000 7,300,000 -7,600,000 6,500,000 -5,500,000 5,900,000 -6,081,000 6,516,000 -5,918,000 4,533,000 -5,767,000 7,836,000 -262,000 4,906,000 -3,216,000 7,345,000 -3,191,000 18,251,000 -15,985,000 12,205,000 -9,879,000 1,068,000 -9,827,000 11,607,000 -11,583,000 3,358,000 -4,856,000 4,537,000 -4,800,000        
          accounts receivable and peo unbilled receivables
        -37,200,000 -18,900,000 -30,800,000 -31,300,000 -32,200,000 -36,400,000 116,500,000 -56,400,000 3,800,000 49,100,000 -18,900,000 -24,100,000 -19,400,000 -61,200,000 -120,900,000 164,300,000 -290,000,000 -30,400,000 57,500,000 -122,800,000 -138,800,000 -68,800,000 55,000,000 53,300,000 -43,400,000 -9,800,000                                                             
          prepaid expenses and other current assets
        -37,300,000 29,500,000 -14,300,000 71,200,000 -95,200,000 26,300,000 -34,400,000 55,500,000 -84,400,000 38,100,000 -5,700,000 31,300,000 -67,100,000 23,700,000 18,900,000 8,600,000 -58,400,000 23,200,000 -19,600,000 22,600,000 -27,100,000 8,300,000 14,000,000 28,900,000 -58,300,000 13,800,000 -7,400,000 35,100,000 -41,900,000 15,200,000 8,000,000 35,500,000 -54,000,000 28,200,000 -2,000,000 14,300,000 -53,000,000 6,600,000 3,600,000 56,000,000 -64,800,000 200,000 -9,700,000 2,100,000 -8,700,000 7,800,000 -14,100,000 24,900,000 -32,800,000 44,500,000 16,200,000 -2,200,000 -1,900,000 8,700,000 -8,900,000 3,900,000 -7,158,000 2,923,000 118,000 1,547,000 -2,392,000 5,247,000 -5,281,000 10,782,000 -11,689,000 11,801,000 -12,454,000 7,262,000 -9,250,000 3,081,000 -3,593,000 3,589,000 -1,218,000 -1,382,000 -280,000 2,186,000 -552,000 -4,974,000 -1,006,000        
          accounts payable and other current liabilities
        -2,600,000 124,900,000 -65,500,000 101,100,000 -58,900,000 65,600,000 -311,200,000 117,600,000 -23,900,000 90,500,000 24,300,000 90,000,000 14,200,000 -61,100,000 98,400,000 -41,600,000 124,100,000 -29,100,000 41,000,000 142,800,000 40,800,000 -55,600,000 21,600,000 -12,000,000 25,100,000 -39,600,000 -30,900,000 138,600,000 -15,000,000 -15,200,000 -38,300,000 115,200,000 -15,100,000 -19,200,000 1,600,000 31,700,000 -55,100,000 60,900,000 34,900,000 32,600,000 -11,000,000 6,800,000 22,900,000 27,600,000 -39,800,000 40,400,000 14,900,000 36,900,000 -22,100,000 15,400,000 39,100,000 21,200,000 23,600,000 -31,800,000 -23,400,000 33,800,000 -26,372,000 12,791,000 -42,746,000 41,324,000 -12,641,000 21,304,000 -41,987,000 23,275,000 -673,000 2,350,000 -65,504,000 66,542,000 -46,522,000 26,868,000 3,243,000 39,144,000 -43,342,000 38,695,000 -8,064,000 15,336,000 -23,404,000 36,503,000 -15,937,000        
          deferred costs
        -80,100,000 -68,500,000 -72,800,000 -65,900,000 -56,200,000 -51,600,000 -60,600,000 -61,200,000 -60,900,000 -62,200,000 -73,800,000 -73,500,000 -57,600,000 -64,500,000 -77,000,000 -77,500,000 -58,900,000 -53,700,000 -61,200,000 -57,100,000 -46,400,000 -43,300,000 -55,200,000 -56,100,000 -43,400,000 -41,900,000 -54,400,000 -141,400,000 1,100,000 6,200,000                                                         
          net change in other long-term assets and liabilities
        4,900,000 6,300,000 -3,500,000 11,400,000 5,600,000 8,400,000 -15,500,000 11,500,000 3,500,000 6,600,000 14,600,000 3,500,000 -9,900,000 23,700,000 900,000 4,800,000 3,000,000 17,600,000 12,400,000 -16,200,000 12,200,000 23,700,000 15,000,000 400,000 5,700,000 -8,400,000 2,600,000 -7,600,000 -400,000 -9,000,000 1,700,000 1,100,000 600,000 -2,300,000 -29,400,000 5,400,000 10,900,000                                                 
          net change in operating lease right-of-use assets and liabilities
        200,000 -700,000 2,200,000 -1,400,000 -1,200,000 -1,700,000 -1,500,000 -900,000 -500,000 -600,000 200,000 -1,600,000 -1,400,000 -1,500,000 -7,000,000 4,000,000 700,000 -1,600,000 -2,000,000 -4,600,000 -12,300,000 18,000,000 900,000 -600,000 1,000,000 -900,000                                                             
          net cash from operating activities
        444,900,000 718,400,000 343,800,000 716,000,000 295,000,000 546,100,000 221,700,000 671,700,000 348,500,000 655,800,000 409,300,000 604,200,000 321,600,000 364,300,000 337,200,000 612,900,000 169,800,000 385,600,000 389,700,000 439,900,000 215,700,000 215,000,000 388,200,000 488,100,000 269,800,000 294,800,000 248,700,000 525,600,000 223,500,000 273,700,000 287,500,000 469,500,000 175,800,000 343,600,000 191,100,000 355,900,000 118,700,000 294,700,000 227,000,000 371,300,000 141,600,000 278,300,000 202,400,000 288,100,000 141,600,000 263,100,000 175,100,000 305,600,000 133,500,000 266,700,000 280,400,000 187,200,000 162,400,000 233,700,000 124,900,000 194,300,000 107,907,000 223,845,000 92,553,000 186,618,000 125,448,000 234,938,000 113,834,000 214,551,000 134,294,000 232,131,000 105,031,000 253,213,000 78,908,000 199,915,000 111,355,000 223,093,000 73,113,000 161,672,000 100,391,000 166,975,000 75,098,000 125,393,000 65,160,000 141,890,000 70,610,000 112,426,000 63,508,000 135,456,000 58,984,000 115,760,000 
          capital expenditures
        -62,100,000 -55,900,000 -60,500,000 -48,700,000 -47,000,000 -35,600,000 -41,300,000 -40,700,000 -40,700,000 -38,700,000 -46,000,000 -31,100,000 -35,300,000 -30,600,000 -34,700,000 -34,200,000 -30,400,000 -27,700,000 -32,300,000 -33,900,000 -20,700,000 -35,100,000 -32,000,000 -33,500,000 -26,400,000 -35,800,000 -27,200,000 -36,400,000 -24,400,000 -32,000,000 -26,500,000 -77,500,000 -18,000,000 -27,500,000 -20,000,000 -26,500,000 -20,300,000 -27,700,000 -21,500,000 -27,300,000 -21,200,000 -30,800,000 -26,400,000 -20,700,000 -24,900,000 -21,300,000 -15,900,000 -21,800,000 -25,100,000 -19,700,000 -20,200,000 -21,500,000 -34,900,000 -27,500,000 -16,600,000 -19,818,000 -18,353,000 -12,952,000 -10,139,000 -11,421,000 -14,081,000 -23,000,000 -16,207,000 -17,668,000 -24,923,000 -18,923,000 -20,775,000 -23,719,000 -16,165,000 -24,825,000 -17,766,000 -17,968,000 -20,584,000 -29,703,000 -14,007,000 -16,301,000 -10,675,000 -11,333,000 -9,958,000 -18,561,000 -10,710,000 -11,682,000 -11,117,000 -14,918,000 -22,495,000 
          free cash flows
        382,800,000 662,500,000 283,300,000 667,300,000 248,000,000 510,500,000 180,400,000 631,000,000 307,800,000 617,100,000 363,300,000 573,100,000 286,300,000 333,700,000 337,200,000 578,200,000 135,600,000 355,200,000 362,000,000 407,600,000 181,800,000 194,300,000 353,100,000 456,100,000 236,300,000 268,400,000 212,900,000 498,400,000 187,100,000 249,300,000 255,500,000 443,000,000 98,300,000 325,600,000 163,600,000 335,900,000 92,200,000 274,400,000 199,300,000 349,800,000 114,300,000 257,100,000 171,600,000 261,700,000 120,900,000 238,200,000 153,800,000 289,700,000 111,700,000 241,600,000 260,700,000 167,000,000 140,900,000 198,800,000 97,400,000 177,700,000 88,089,000 205,492,000 79,601,000 176,479,000 114,027,000 220,857,000 90,834,000 198,344,000 116,626,000 207,208,000 86,108,000 232,438,000 55,189,000 183,750,000 86,530,000 205,327,000 55,145,000 141,088,000 70,688,000 152,968,000 58,797,000 114,718,000 53,827,000 131,932,000 52,049,000 101,716,000 51,826,000 124,339,000 44,066,000 93,265,000 
          investing activities
                                                                                              
          purchases of afs securities
        -2,796,000,000 -3,731,900,000 -5,829,700,000 -3,304,700,000 -4,138,800,000 -1,029,700,000 -861,100,000 -2,703,700,000 -1,380,200,000 -1,923,500,000 -1,992,900,000 -6,087,500,000 -2,697,300,000 -3,807,600,000 -10,357,600,000 -5,560,300,000 -1,642,300,000 -247,500,000  -731,100,000                                                                   
          proceeds from sales and maturities of afs securities
        3,257,200,000 2,547,300,000 5,792,100,000 3,336,800,000 4,150,600,000 1,013,000,000 815,600,000 2,738,600,000 1,406,300,000 2,200,700,000 1,892,200,000 5,419,700,000 2,564,400,000 5,066,900,000 10,138,400,000 4,881,900,000 1,277,700,000 256,900,000  675,200,000                                                                   
          net purchases of short-term accounts receivable
        -18,200,000 -47,000,000  46,800,000 -155,000,000 -45,100,000                                                                                 
          purchases of property and equipment
        -62,100,000 -55,900,000 -60,500,000 -48,700,000 -47,000,000 -35,600,000 -41,300,000 -40,700,000 -40,700,000 -38,700,000 -46,000,000 -31,100,000 -35,300,000 -30,600,000  -34,700,000 -34,200,000 -30,400,000 -27,700,000 -32,300,000 -33,900,000 -20,700,000 -35,100,000 -32,000,000 -33,500,000 -26,400,000 -35,800,000 -27,200,000 -36,400,000 -24,400,000 -32,000,000 -26,500,000 -77,500,000 -18,000,000 -27,500,000 -20,000,000 -26,500,000 -20,300,000 -27,700,000 -21,500,000 -27,300,000 -21,200,000 -30,800,000 -26,400,000 -20,700,000 -24,900,000 -21,300,000 -15,900,000 -21,800,000 -25,100,000 -19,700,000 -20,200,000 -21,500,000 -34,900,000 -27,500,000 -16,600,000 -19,818,000 -18,353,000 -12,952,000 -10,139,000 -11,421,000 -14,081,000 -23,000,000 -16,207,000 -17,668,000 -24,923,000 -18,923,000 -20,775,000 -23,719,000 -16,165,000 -24,825,000 -17,766,000 -17,968,000 -20,584,000 -29,703,000 -14,007,000 -16,301,000 -10,675,000 -11,333,000 -9,958,000 -18,561,000 -10,710,000 -11,682,000 -11,117,000 -14,918,000 -22,495,000 
          acquisition of businesses, net of cash acquired
        -100,000 -200,000     -300,000 -208,000,000 1,600,000         200,000    -8,100,000    -1,900,000 -160,600,000 -9,700,000 -8,200,000              -9,300,000  -11,100,000           -344,000 -32,596,000   -320,000 -406,000     -12,608,000        
          purchases of other assets
        -4,500,000 -15,000,000 -5,500,000 -9,200,000 -2,500,000 -12,600,000 -4,300,000 -5,300,000 -14,000,000 -6,500,000 1,200,000 -3,000,000 -3,000,000 -5,600,000 -300,000 -3,600,000 -5,400,000 -1,300,000 -5,100,000 -2,200,000 -800,000 -600,000 -1,600,000 -4,000,000 -2,500,000 -1,700,000 -1,800,000 -2,500,000 -200,000 -800,000 -33,100,000 -2,600,000 -3,700,000 -400,000 -200,000 -3,800,000   -1,700,000 -2,400,000 -1,400,000 -3,500,000 -1,100,000 -600,000 -100,000 -1,500,000 -4,200,000 -1,400,000 -5,000,000 -700,000 -4,600,000 -800,000 300,000 -2,100,000 -400,000 -600,000 -617,000 -2,127,000 -5,050,000 -4,118,000 1,690,000 -4,652,000 -12,171,000 -1,274,000 -1,561,000 -13,520,000 -2,834,000 -1,684,000 -13,048,000 -2,650,000 -874,000 -976,000 -1,750,000 -647,000 -1,472,000 -314,000 -663,000 -293,000 -337,000 -418,000 -881,000 -759,000 -83,000 -2,979,000 -322,000 -490,000 
          net cash from investing activities
        376,300,000 -1,302,700,000 -3,075,100,000 21,000,000 -192,700,000 -110,000,000 -143,100,000 -8,100,000 -133,700,000 24,000,000      -716,700,000 -429,100,000 -22,300,000       20,500,000 544,700,000         522,500,000 -1,645,000,000 317,600,000 380,300,000 500,500,000 -1,312,300,000 -11,200,000 759,900,000  -1,081,900,000 -304,200,000 358,900,000  -1,088,500,000 163,500,000 30,800,000 -1,913,200,000 398,000,000  -997,900,000 -43,900,000 172,500,000  -1,156,556,000          240,750,000 -231,480,000 64,221,000 -59,359,000 -142,881,000 -46,418,000 -61,392,000 -51,785,000 -72,385,000 -9,120,000 -89,165,000 -13,715,000 -24,531,000 -29,223,000 -23,858,000 -114,808,000 -24,624,000 -62,600,000 3,576,000 
          financing activities
                                                                                              
          net change in client fund obligations
        -63,700,000 81,400,000 -673,800,000 356,800,000 51,400,000 -25,100,000 -2,372,700,000 614,600,000 -50,700,000 1,383,500,000 -173,800,000 1,117,300,000 39,200,000 -507,900,000 -520,900,000 496,200,000 135,500,000 32,400,000 -458,500,000 844,900,000 86,700,000 -133,100,000 -941,000,000 575,700,000 -19,600,000 -68,400,000 -1,631,100,000 1,698,100,000 -75,100,000 -942,500,000 763,100,000 -926,000,000 -20,200,000 645,500,000 -502,500,000 1,513,400,000 -125,800,000 -567,800,000 -708,600,000 974,400,000 -37,300,000 -533,300,000 -798,800,000 1,058,700,000 -29,800,000 -137,100,000 -713,600,000 991,200,000 -23,600,000 -126,600,000 1,845,600,000 -479,700,000 -634,400,000 874,600,000 -8,700,000 -266,400,000 -541,424,000 1,098,415,000 -29,254,000 -485,439,000 -651,891,000 584,891,000 -118,466,000 -160,536,000                       
          dividends paid
        -387,900,000 -389,100,000 -389,300,000 -353,000,000 -352,800,000 -353,400,000 -352,800,000 -320,400,000 -320,200,000 -321,900,000 -320,900,000 -284,800,000 -284,700,000 -284,600,000 -284,700,000 -238,500,000 -238,300,000 -238,100,000 -238,200,000 -223,800,000 -223,500,000 -223,200,000 -222,600,000 -222,500,000 -222,300,000 -222,000,000 -222,900,000 -201,200,000 -201,300,000 -201,400,000 -201,000,000 -179,800,000 -179,800,000 -179,100,000 -165,400,000 -165,400,000 -165,200,000 -166,300,000 -151,500,000 -151,400,000 -151,700,000 -151,900,000 -137,400,000 -138,200,000 -137,900,000 -138,300,000 -127,200,000 -127,700,000 -127,800,000 -127,900,000 -240,300,000 -112,400,000 -112,400,000 -112,200,000 -112,200,000 -112,000,000 -112,168,000 -112,156,000 -112,122,000 -112,112,000 -111,953,000 -111,939,000 -111,936,000 -111,904,000 -108,186,000 -108,163,000 -110,809,000 -114,988,000 -80,016,000 -60,876,000 -60,843,000 -60,751,000 -60,698,000 -49,262,000 -49,219,000 -49,196,000 -49,181,000 -45,380,000 -45,350,000 -45,318,000 -45,286,000 -41,454,000 -41,427,000 -41,401,000 -41,383,000 -41,237,000 
          repurchases of common shares
        -126,500,000 -160,100,000    -104,000,000           -79,700,000 -47,200,000 -28,800,000 -171,900,000 -24,100,000 -32,800,000 -49,000,000 -94,100,000   -45,000,000 -62,900,000 -112,000,000 -17,900,000 -15,000,000 -37,500,000 -46,700,000 -43,900,000 -75,200,000 -83,900,000                                     
          activity related to equity-based plans
        -4,300,000 -47,600,000 -9,100,000 4,900,000 10,500,000 -2,500,000 11,000,000 8,100,000 3,000,000 4,000,000 1,800,000 2,900,000 4,100,000 -19,200,000 6,500,000 12,000,000 9,800,000 -5,700,000 17,500,000 10,500,000 56,400,000 1,300,000 1,300,000 12,100,000 15,300,000 -7,400,000 6,100,000 11,200,000 2,500,000 9,700,000 -5,200,000 3,200,000 10,900,000 -12,300,000 4,400,000 13,700,000 4,100,000 6,300,000                                                 
          net cash from financing activities
        -582,400,000 -515,400,000 3,072,300,000 -2,700,000 -291,400,000 -485,000,000 -2,714,500,000 307,500,000   -492,900,000 832,600,000 -241,400,000 -809,700,000   -91,200,000 -211,700,000   -79,600,000 -382,800,000   -231,800,000 -413,200,000           -401,300,000 -676,500,000   -174,000,000 -752,300,000 -1,039,900,000 918,700,000 -159,600,000 -311,900,000  841,200,000 -195,600,000 -293,200,000 1,610,600,000 -591,100,000 -739,200,000 767,000,000 -120,700,000 -378,200,000   -140,748,000 -591,588,000  473,105,000 -229,852,000 -267,333,000  -240,771,000 -566,553,000 -462,702,000 -62,070,000 -57,648,000 -50,291,000 -57,035,000 -48,200,000 -43,903,000 -46,774,000 -47,385,000 -47,204,000 -42,587,000 -40,574,000 -42,976,000 -38,968,000 -36,620,000 -38,432,000 -39,745,000 -39,490,000 -39,611,000 
          net change in cash, restricted cash, and equivalents
        238,800,000 -1,099,700,000 341,000,000 734,300,000 -189,100,000 -48,900,000 -2,635,900,000 971,100,000 -322,300,000 1,749,200,000 -227,500,000 737,600,000 -81,300,000 777,700,000 -861,500,000 165,700,000 -350,500,000 151,600,000 -229,100,000 914,500,000 -118,000,000 -404,100,000                                                                 
          cash, restricted cash, and equivalents, beginning of period
        2,734,300,000  1,897,000,000  2,134,900,000  928,400,000  1,823,100,000  1,659,800,000                                                                 
          cash, restricted cash, and equivalents, end of period
        238,800,000 1,634,600,000  734,300,000 -189,100,000 1,848,100,000  971,100,000 -322,300,000 3,884,100,000  737,600,000 -81,300,000 1,706,100,000  165,700,000 -350,500,000 1,974,700,000  914,500,000 -118,000,000 1,255,700,000                                                                 
          reconciliation of cash, restricted cash, and equivalents
                                                                                              
          cash and cash equivalents
        676,600,000 809,000,000 64,800,000 361,700,000 -257,500,000 1,459,600,000 -224,700,000 330,500,000 -282,800,000 1,645,900,000 -94,900,000 220,400,000 -87,700,000 1,184,200,000 102,500,000 -368,700,000 -465,800,000 1,102,000,000 208,200,000 93,500,000 -142,200,000 835,700,000 125,200,000 179,400,000 14,200,000 586,400,000 -22,800,000                                                            
          restricted cash
        300,000 50,400,000 -1,200,000 -14,000,000 8,200,000 54,900,000 6,800,000 -6,900,000 -1,900,000 49,800,000 -6,800,000 -11,600,000 -24,500,000 92,700,000 -5,500,000 -1,100,000 -1,200,000 83,600,000 8,000,000 -4,600,000 9,300,000 75,600,000 4,700,000 3,700,000 5,000,000 57,700,000 -77,300,000                                                            
          restricted cash and restricted cash equivalents included in funds held for clients
        -438,100,000 775,200,000 277,400,000 386,600,000 60,200,000 333,600,000 -2,418,000,000 647,500,000 -37,600,000 2,188,400,000 -125,800,000 528,800,000 30,900,000 429,200,000 -958,500,000 535,500,000 116,500,000 789,100,000 -445,300,000 825,600,000 14,900,000 344,400,000 -542,600,000 469,400,000 39,300,000 717,400,000 -2,670,200,000                                                            
          total cash, restricted cash, and equivalents
        238,800,000 1,634,600,000 341,000,000 734,300,000 -189,100,000 1,848,100,000 -2,635,900,000 971,100,000 -322,300,000 3,884,100,000 -227,500,000 737,600,000 -81,300,000 1,706,100,000 -861,500,000 165,700,000 -350,500,000 1,974,700,000 -229,100,000 914,500,000 -118,000,000 1,255,700,000                                                                 
          net realized losses on sales of afs securities
                                                                                             
          amortization of premiums and discounts on afs securities
            -2,800,000 -2,800,000 -2,300,000 -1,800,000 -1,500,000 -1,400,000 2,300,000 4,700,000 5,200,000 6,000,000 6,600,000 7,000,000 7,400,000 7,900,000  8,900,000                                                                   
          benefit from deferred income taxes
          300,000 -6,600,000 1,500,000 -11,000,000  -14,500,000      2,500,000      100,000 -5,200,000 -1,500,000       8,300,000 2,600,000 12,700,000 -61,900,000 9,200,000 59,200,000   9,900,000 14,100,000  -24,100,000 7,500,000 14,400,000  -27,200,000 4,000,000 10,400,000  -23,100,000 5,700,000 10,300,000  10,800,000   6,100,000 3,600,000   41,000 4,222,000   6,667,000 6,422,000   8,998,000 5,634,000         6,792,000 4,331,000         
          net realized losses on disposal of assets
                                                                                              
          premium paid on cash flow hedges
                                                                                              
          net change in purchased receivables
                                                                                              
          proceeds from sale of property and equipment
                                                                                              
          net proceeds from short-term borrowings
                          400,000 100,000 800,000 1,000,000 -46,100,000 -100,000 -5,200,000 56,500,000  -3,700,000 600,000 56,700,000  -75,700,000 76,200,000 57,200,000  -47,700,000                                                   
          proceeds from issuance of corporate bonds
                                                                                              
          debt issuance costs
                                                                                              
          contingent consideration paid for acquisitions
                                                                                             
          cash, restricted cash, and equivalents, beginning of fiscal year
                                                                                              
          cash, restricted cash, and equivalents, end of fiscal year
                                                                                              
          in millions
                    2,022,000,000          1,000,000 2,019,000,000                                                             
          trade receivables
                                                                                              
          purchased receivables
                                                                                              
          total accounts receivable, gross
                                                                                              
          less: allowance for credit losses
                                                                                              
          accounts receivable, net of allowance for credit losses
                                                                                              
          balance, beginning of period
                                                                                              
          write-offs and recoveries
                                                                                              
          balance, end of period
                                                                                              
          amortization of premiums and discounts on afs securities, cash flow hedges and long-term debt
                                                                                              
          premiums paid on cash flow hedges
                                                                                              
          net change in short-term borrowings
               5,200,000 3,800,000  2,000,000  -200,000 1,800,000 -300,000                                                                     
          repurchases of common shares, including excise tax
                                                                                             
          debt issuance fees
                                                                                              
          provision for deferred income taxes
                 -3,200,000                                                                             
          payroll wages and payroll taxes
                    -4,500,000 6,337,800,000        4,900,000                                                                 
          state unemployment insurance
                    20,800,000 9,500,000        12,800,000                                                                 
          guaranteed cost benefit plans
                    23,600,000 156,700,000        150,400,000                                                                 
          deferral of revenue
                                                                                              
          recognition of unearned revenue
                                                                                              
          net (purchases of)/collections on short-term accounts receivable
                                                                                              
          proceeds from sales of property and equipment
                   7,000,000                                                     1,000 708,000 5,000 111,000  2,000 7,000 18,000  135,000           
          net cash provided buy/(used in) financing activities
                 1,069,400,000                                                                             
          (benefit from)/benefit from deferred income taxes
                  -18,400,000 -10,300,000                                                                           
          benefit from credit losses
                  4,600,000 5,000,000 3,600,000 4,500,000 9,300,000 200,000                                                                       
          net realized losses/(gains) on sales of afs securities
                                                                                              
          net cash provided by/(used in) investing activities
                  -143,900,000 -699,200,000 -161,500,000 1,223,100,000         407,500,000      120,300,000 918,500,000                              247,524,000     173,077,000 115,504,000                     
          category
                                                                                              
          buildings and improvements
                                                                                              
          data processing equipment
                                                                                              
          furniture, fixtures, and equipment
                                                                                              
          leasehold improvements
                                                                                              
          software
                                                                                              
          benefit from/(benefit from) deferred income taxes
                                                            6,200,000                                  
          purchases of property and equipment, net of proceeds from sales
                                                                                              
          net cash (used in)/provided by investing activities
                          139,700,000 -109,900,000 -254,100,000 -236,300,000     -1,089,700,000      -40,100,000 -711,000,000                              -49,873,000                       
          benefit from/(benefit) from deferred income taxes
                       -2,200,000 -6,000,000 11,500,000                                                                     
          net cash (used in)/provided by financing activities
                                    -273,300,000 -1,110,300,000                                                         
          benefit from allowance for doubtful accounts
                         -3,600,000 -3,800,000 7,100,000 4,100,000 600,000 1,800,000 2,600,000 1,100,000 2,300,000 1,200,000 600,000 1,200,000 300,000 300,000 1,500,000 1,100,000 700,000 1,500,000 700,000 1,500,000 1,200,000 800,000 1,100,000 500,000 100,000 600,000 300,000 400,000 300,000 800,000 400,000 500,000 800,000 100,000 200,000 900,000 300,000 400,000 200,000 784,000 -111,000 1,013,000 945,000 1,091,000 735,000 620,000 464,000 1,039,000 643,000 662,000 700,000 526,000 733,000 610,000 642,000 367,000 554,000 -256,000            
          amortization of premiums and discounts on available-for-sale securities
                             9,500,000 10,100,000 10,300,000 10,400,000 10,000,000 10,200,000 11,100,000 13,300,000 14,400,000 15,300,000 16,300,000 16,700,000 17,100,000 17,500,000 18,000,000 18,400,000 18,600,000 18,500,000 18,800,000 19,000,000 19,400,000 19,300,000 19,400,000 19,100,000 18,400,000 18,000,000 17,900,000 17,700,000 16,700,000 14,300,000 10,300,000 10,000,000 9,900,000 9,600,000 9,400,000 9,257,000 8,990,000 8,827,000 7,974,000 6,148,000 4,868,000 5,403,000 6,537,000 6,473,000 4,660,000 3,935,000 3,965,000 6,229,000 6,341,000 7,122,000 6,408,000 7,678,000 6,689,000 7,444,000 7,562,000 7,389,000 7,456,000 7,419,000        
          (benefit)/benefit from deferred income taxes
                              3,700,000 -5,000,000 1,000,000 -3,700,000                                             5,943,000   -2,847,000             
          net realized gains on sales of available-for-sale securities
                             -300,000        100,000    -100,000    -100,000 -100,000 -100,000 -100,000 -300,000 -200,000 -600,000 -100,000 -900,000 -100,000 -200,000 -100,000 -943,000 -1,275,000 -729,000 -285,000 -257,000 -173,000 -405,000 -300,000 -2,608,000 -3,309,000 -390,000 -143,000 -711,000 -236,000 -351,000 -498,000 -14,000 -112,000 -158,000 178,000 -91,000 -152,000 -3,082,000        
          purchases of available-for-sale securities
                             -2,475,500,000 -3,365,500,000 -8,314,800,000 -5,248,500,000 -8,289,300,000 -8,898,200,000 -4,998,800,000 -10,133,000,000 -11,115,800,000 -13,798,000,000 -16,097,900,000 -11,677,600,000 -8,646,700,000 -14,432,800,000 -12,365,400,000 -8,887,100,000 -14,777,000,000 -9,871,300,000 -159,900,000 -178,100,000 -2,362,900,000 -10,475,500,000 -3,095,200,000 -10,988,700,000 -9,461,000,000 -8,687,100,000 -6,221,700,000 -8,568,900,000 -6,372,800,000 -6,432,800,000 -1,653,500,000 -1,467,700,000 -847,900,000 -1,955,100,000 -1,958,400,000 -287,292,000 -510,832,000 -420,271,000 -336,555,000 -31,599,000 -49,523,000 -3,144,069,000 -13,140,530,000 -6,374,128,000 -14,129,292,000 -26,115,634,000 -33,300,803,000 -26,614,971,000 -23,348,338,000 -24,010,264,000 -64,835,357,000 -1,368,520,000 -337,797,000 -2,211,150,000 -304,539,000 -112,058,000 -167,277,000 -316,864,000 -311,198,000 -369,129,000 -239,817,000 -207,929,000 -187,963,000 -203,430,000 -216,392,000 
          proceeds from sales and maturities of available-for-sale securities
                             2,260,500,000 3,809,500,000 8,156,300,000 5,305,000,000 8,862,100,000 7,854,200,000 5,420,300,000 10,067,300,000 11,297,000,000 14,430,000,000 16,454,200,000 11,816,700,000 8,892,000,000 14,285,600,000 11,418,900,000 9,278,200,000 14,920,300,000 8,680,700,000 102,400,000 154,400,000 3,046,800,000 10,021,900,000 3,174,700,000 10,449,200,000 10,073,700,000 8,362,600,000 5,962,700,000 9,058,900,000 6,696,400,000 4,542,500,000 2,095,900,000 1,314,200,000 854,900,000 1,880,000,000 1,549,800,000 735,671,000 132,277,000 108,827,000 175,244,000 341,576,000 123,759,000 4,984,631,000 12,508,552,000 6,753,038,000 14,197,883,000 26,236,850,000 34,381,101,000 25,334,409,000 24,536,781,000 24,033,845,000 64,588,838,000 1,030,363,000 574,613,000 2,410,530,000            
          proceeds from borrowings to fund acquisition
                                                                                              
          net cash provided by/(used in) financing activities
                                        -112,900,000 417,200,000                                                     
          in billions
                                                                                              
          depreciation and amortization on property and equipment and intangible assets
                               50,100,000 55,000,000 52,900,000 55,800,000 53,000,000 36,800,000 35,900,000 35,700,000 36,600,000 33,700,000 32,000,000 36,200,000 31,000,000 30,000,000 29,700,000  30,400,000 27,700,000 27,000,000 27,500,000 26,600,000 26,000,000 26,500,000 28,300,000 26,300,000 26,000,000 24,400,000 25,000,000 24,200,000 24,400,000 22,800,000 20,600,000 20,900,000 21,551,000 21,581,000 21,686,000 21,627,000 22,608,000 21,486,000 20,991,000 20,687,000 21,252,000 20,566,000 19,665,000 19,131,000 17,933,000 16,869,000 17,352,000 16,889,000 16,261,000 16,015,000 18,537,000            
          net realized (gains)/losses on sales of available-for-sale securities
                               -600,000 -900,000 -900,000                                                             
          net change in cash, cash equivalents, restricted cash and restricted cash equivalents
                               652,500,000 58,500,000 426,300,000                                                             
          cash, cash equivalents, restricted cash and restricted cash equivalents, beginning of period
                               935,200,000                                                             
          cash, cash equivalents, restricted cash and restricted cash equivalents, end of period
                               652,500,000 58,500,000 1,361,500,000                                                             
          reconciliation of cash, cash equivalents, restricted cash and restricted cash equivalents to the consolidated balance sheets:
                                                                                              
          total cash, cash equivalents, restricted cash and restricted cash equivalents
                               652,500,000 58,500,000 1,361,500,000 -2,770,300,000                                                            
          management solutions
                               123,300,000 2,200,000 724,500,000                                                             
          peo and insurance solutions
                                                                                              
          total service revenue
                               150,700,000 -700,000 971,500,000                                                             
          amortization of deferred costs
                                                                                              
          reconciliation of cash, cash equivalents, restricted cash and restricted cash equivalents
                                                                                              
          to the consolidated balance sheets:
                                                                                              
          peo and insurance services
                                -2,900,000 247,000,000                                                             
          year ended may 31,
                                                                                              
          provision/(benefit) for deferred income taxes
                                  -6,000,000                                           567,000     7,403,000            
          net proceeds from long-term borrowings
                                                                                              
          cash, cash equivalents, restricted cash and restricted cash equivalents, beginning of fiscal year
                                                                                             
          cash, cash equivalents, restricted cash and restricted cash equivalents, end of fiscal year
                                                                                              
          net realized losses/(gains) on sales of available-for-sale securities
                                                                                              
          accounts receivable
                                   -38,600,000 -28,600,000 -43,000,000 19,800,000 50,300,000 -41,100,000 -15,400,000 -79,100,000 98,400,000 -44,900,000 -78,100,000 -56,100,000 83,700,000 -35,000,000 -30,100,000 -28,700,000 56,800,000 -37,200,000 -19,100,000 -20,600,000 48,800,000 -24,300,000 -22,100,000 44,900,000 -37,000,000 -19,300,000 82,800,000 -17,600,000 -22,200,000 -28,240,000 62,691,000 -20,324,000 -24,317,000 -13,895,000 53,549,000 -22,930,000 -12,906,000 -27,683,000 55,102,000 -2,810,000 -25,409,000 -21,198,000 -5,935,000 -35,124,000 54,540,000 -21,451,000 -28,022,000 -14,766,000 34,874,000 -17,513,000 -30,859,000 -20,180,000        
          increase in cash, cash equivalents, restricted cash and restricted cash equivalents
                                                                                              
          to the consolidated balance sheets
                                                                                              
          net realized losses on sales of available-for-sale securities
                                                                                              
          net change in funds held for clients’ money market securities and other cash equivalents
                                    222,600,000 762,500,000 -1,268,400,000 608,900,000 -88,300,000 -929,700,000 697,400,000 -674,700,000 -42,400,000 257,300,000  -934,800,000 41,200,000 100,700,000 1,227,700,000 -1,134,400,000 255,700,000 -199,900,000 928,100,000 -812,200,000 -290,400,000 -267,000,000 10,700,000 -23,400,000 645,600,000 -852,600,000 59,100,000 598,300,000 121,590,000 -757,521,000 274,572,000 423,092,000 378,678,000 -659,313,000 -1,420,322,000 599,586,000 224,806,000 -850,525,000 375,225,000 -331,244,000 1,118,714,000 -1,305,123,000 199,625,000 -1,149,177,000 314,957,000 114,091,000 96,755,000 -437,589,000 -138,433,000 43,759,000 413,120,000        
          increase in cash and cash equivalents
                                    70,500,000 81,900,000  66,700,000    24,900,000      285,900,000    310,100,000   101,400,000 4,300,000                  31,261,000  206,488,000 1,705,000 23,177,000   1,832,000 47,205,000   10,871,000 74,383,000 2,419,000 51,948,000  71,087,000 -43,106,000 79,725,000 
          cash and cash equivalents, beginning of fiscal year
                                    358,200,000 184,600,000 131,500,000                                                 
          cash and cash equivalents, end of period
                                    70,500,000 440,100,000  66,700,000 22,800,000 234,400,000      -159,200,000 -43,600,000 455,900,000  124,900,000 -322,200,000 462,600,000  58,300,000 101,400,000 111,600,000 -22,200,000 113,100,000  2,800,000 -39,700,000 272,900,000  53,957,000 -90,019,000 315,323,000  97,774,000 269,051,000 61,582,000  106,864,000 -57,688,000 110,614,000 -214,642,000 343,911,000  -180,098,000 -21,505,000 337,321,000  47,205,000 18,774,000 213,133,000  74,383,000 2,419,000 131,819,000  71,087,000 -43,106,000 141,622,000 
          increase/(decrease) in cash and cash equivalents
                                         49,800,000             -118,800,000                  4,447,000         56,377,000             
          cash and cash equivalents, end of fiscal year
                                            35,000,000 130,000,000                                                 
          net cash provided by/ (used in) financing activities
                                                                                              
          proceeds from short-term borrowings
                                             51,300,000                                                 
          (decrease)/increase in cash and cash equivalents
                                             -1,500,000                   5,055,000 53,957,000      -102,655,000              -6,359,000         
          adjustments to reconcile net income to net cash from operating activities:
                                                                                              
          depreciation and amortization on property and equipment and intangible assets
                                                                                              
          net change in funds held for clients’ money market securities and other cash equivalents
                                                                                              
          equity activity related to stock-based awards
                                              11,000,000 3,800,000 15,000,000 -4,200,000 8,300,000 16,100,000 23,100,000 1,000,000 15,500,000 21,600,000 31,000,000 45,200,000 5,300,000                                    
          cash and cash equivalents, beginning of period
                                               170,000,000  152,500,000  107,300,000 119,000,000  284,300,000  472,769,000  164,237,000  79,353,000 137,423,000  -203,275,000 280,944,000  219,492,000  79,871,000  61,897,000 
          net change in other assets and liabilities
                                                4,400,000 16,800,000 -1,000,000 300,000 3,800,000 -7,000,000 2,100,000 1,200,000 3,100,000 2,900,000 8,100,000 -3,000,000 2,100,000 1,000,000 3,500,000 -100,000 2,122,000 2,346,000 -1,850,000 -1,297,000 4,829,000 4,406,000 3,756,000 -947,000 1,711,000 3,093,000 2,425,000 -117,000 4,224,000 -2,186,000 -764,000 2,200,000 2,361,000 2,991,000 -509,000 3,195,000 4,467,000 3,995,000 -1,063,000        
          acquisition of business, net of cash acquired
                                                     -27,500,000                                        
          benefit from litigation reserve
                                                                                              
          proceeds from sale of business
                                                                                            
          proceeds from exercise and excess tax benefit related to stock-based awards
                                                            7,600,000 4,600,000                                 
          decrease in cash and cash equivalents
                                                           -5,900,000  2,800,000 -39,700,000 -11,400,000    -157,446,000                           
          proceeds from and excess tax benefit related to stock-based awards
                                                           1,000,000                                   
          proceeds from and excess tax benefit related to exercise of stock options
                                                               200,000 1,206,000 409,000 628,000 5,963,000 3,223,000                          
          repurchases of common stock
                                                                        -134,935,000 -468,580,000 -396,484,000                   
          benefit for deferred income taxes
                                                                                      -2,644,000        
          benefit from pending legal matters
                                                                                              
          proceeds from exercise of stock options
                                                                      600,000 4,809,000 3,492,000 2,020,000 8,864,000 44,402,000 14,879,000 2,926,000 10,552,000 3,716,000 12,498,000 5,359,000 2,445,000 1,811,000 1,977,000 2,793,000 4,776,000 2,342,000 6,318,000 4,834,000 2,995,000 1,656,000 1,893,000 1,626,000 
          excess tax benefit related to exercise of stock options
                                                                      -50,000 298,000 419,000 307,000 3,972,000 4,368,000 3,067,000 302,000                 
          tax benefit related to exercise of stock options
                                                                              4,056,000 1,112,000 3,963,000 2,456,000 1,142,000 676,000 897,000 1,801,000 2,352,000        
          net change in client fund deposits
                                                                         935,880,000 -70,506,000 -453,957,000 -32,870,000 199,605,000 -256,881,000 1,271,875,000 -3,507,000 -390,680,000 -316,301,000 534,074,000 79,614,000 -105,740,000 -345,976,000 552,025,000 5,596,000 -121,771,000 -181,668,000 289,318,000 57,605,000 34,020,000 
          benefit from legal reserves
                                                                                              
          other non-cash adjustments
                                                                                              
          adjustments to reconcile net income to cash from operating activities:
                                                                                              
          depreciation and amortization on depreciable and intangible assets
                                                                                    14,551,000 14,181,000 14,256,000        
          benefit from bad debts
                                                                                    553,000 853,000         
          proceeds from sales of available-for-sale securities
                                                                                    168,525,000 110,076,000 208,228,000 250,970,000 388,640,000 188,399,000 181,328,000 70,432,000 423,737,000 238,060,000 
          proceeds from maturities of available-for-sale securities
                                                                                    6,825,000 40,985,000 52,055,000 40,275,000 26,165,000 55,155,000 36,755,000 24,830,000 18,095,000 35,340,000 
          expense charges to increase legal reserve
                                                                                              
          acquisition of advantage payroll services, inc., net of cash acquired
                                                                                             
          see notes to consolidated financial statements.