| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|
| Period End Date | 9/30/2025 | 9/30/2024 | 9/30/2023 | 9/30/2022 | 9/30/2021 | 9/30/2020 | 9/30/2019 | 9/30/2018 | 9/30/2017 | 9/30/2016 |
|---|
| Revenue | 5,431.28 | 5,306.20 | 4,904.73 | 4,631.02 | 4,254.49 | 3,461.54 | 2,886.82 | 2,392.24 | 2,450.96 | 2,403.36 |
| Total Revenues | 5,431.28 | 5,306.20 | 4,904.73 | 4,631.02 | 4,254.49 | 3,461.54 | 2,886.82 | 2,392.24 | 2,450.96 | 2,403.36 |
| Cost of Revenue | 4,097.83 | 4,054.55 | 3,876.12 | 3,691.21 | 3,307.51 | 2,750.54 | 2,215.63 | 1,797.85 | 1,839.06 | 1,841.17 |
| Write-off of deferred contract costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gross Profit | 1,333.44 | 1,251.65 | 1,028.61 | 939.81 | 946.98 | 711.00 | 671.18 | 594.39 | 611.91 | 562.19 |
| Amortization of goodwill and other acquisition-related intangibles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Goodwill Impairment | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of intangible assets | 92.05 | 91.57 | 94.59 | 90.47 | 44.36 | 35.63 | 33.05 | 10.31 | 12.21 | 13.38 |
| Selling, general and administrative expenses | 713.11 | 671.58 | 639.22 | 534.49 | 494.09 | 387.09 | 321.02 | 285.24 | 284.51 | 268.26 |
| Acquisition-related expenses | -- | -- | -- | -- | -- | -- | -- | -- | 0.08 | 0.83 |
| Gain on sale of business | -- | -- | -- | -- | -- | -- | 0.00 | 0.00 | (0.65) | (6.88) |
| Merger, deferred compensation and ESOP expense | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Restructuring Costs | -- | -- | -- | -- | -- | 0.00 | 0.00 | 3.35 | 2.24 | -- |
| Gain (loss) on sale of building | -- | 0.00 | 0.00 | 11.05 | -- | -- | -- | -- | -- | -- |
| Legal and settlement (expense) recovery | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Operating Income (Loss) | 528.29 | 488.50 | 294.79 | 325.90 | 408.53 | 288.28 | 317.11 | 295.48 | 313.51 | 286.60 |
| Interest expense | 84.08 | 82.44 | 84.14 | 45.97 | 14.74 | 2.06 | 2.96 | 1.00 | 2.16 | 4.13 |
| Interest and other income, net | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain (Loss) on sale of business | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other income | 0.64 | 0.45 | (0.36) | (2.84) | (10.11) | 0.84 | 3.17 | 4.73 | 2.89 | 3.50 |
| Income (loss) before income taxes | 444.85 | 406.51 | 210.29 | 277.10 | 383.68 | 287.06 | 317.32 | 299.21 | 314.24 | 285.97 |
| Provision (benefit) for income taxes | 125.82 | 99.60 | 48.50 | 73.27 | 92.48 | 72.55 | 76.83 | 78.39 | 102.05 | 105.81 |
| Deferred tax expense: Foreign | (1.36) | (14.23) | 3.72 | 0.97 | (3.46) | (1.92) | (2.98) | (0.29) | (1.37) | (3.03) |
| Current provision: Federal | 96.45 | 82.88 | 34.03 | 45.04 | 62.06 | 65.74 | 37.12 | 42.32 | 70.48 | 69.03 |
| Current provision: State and local | 31.25 | 26.95 | 12.33 | 15.37 | 20.08 | 28.12 | 14.48 | 13.46 | 15.59 | 15.60 |
| Current provision: Foreign | 14.84 | 25.79 | 0.58 | 2.65 | 16.92 | (2.15) | 12.56 | 15.90 | 11.22 | 15.54 |
| Deferred tax expense: Federal | (11.50) | (16.35) | (1.50) | 7.11 | (2.53) | (12.98) | 12.63 | 4.11 | 5.49 | 7.78 |
| Deferred tax expense: State and local | (3.86) | (5.45) | (0.67) | 2.13 | (0.59) | (4.25) | 3.01 | 2.90 | 0.64 | 0.90 |
| Deferred tax expense (benefit) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) from Continuing Operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Discontinued operations : Income (loss) from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Discontinued operations : Loss on disposal | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income Before Cumulative Effect Of Accounting Change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change, net of tax benefit | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income | 319.03 | 306.91 | 161.79 | 203.83 | 291.20 | 214.51 | 240.50 | 220.82 | 212.18 | 180.16 |
| Income attributable to non-controlling interests | -- | -- | -- | -- | 0.00 | 0.00 | (0.33) | 0.07 | 2.76 | 1.80 |
| Net Income (loss) Available to Common Shareholders | 319.03 | 306.91 | 161.79 | 203.83 | 291.20 | 214.51 | 240.82 | 220.75 | 209.43 | 178.36 |
| EPS (Basic) : Income (loss) from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earning before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Basic) : Income (loss) from Discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 5.56 | 5.03 | 2.65 | 3.30 | 4.69 | 3.40 | 3.73 | 3.37 | 3.19 | 2.71 |
| EPS (Diluted) : Income (loss) from Continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Earning before cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| EPS (Diluted) : Income (loss) from Discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 5.51 | 4.99 | 2.63 | 3.29 | 4.67 | 3.39 | 3.72 | 3.35 | 3.17 | 2.69 |
| Weighted Average Shares Outstanding (Basic) | 57.41 | 61.05 | 61.13 | 61.77 | 62.07 | 63.06 | 64.50 | 65.50 | 65.63 | 65.82 |
| Weighted Average Shares Outstanding (Diluted) | 57.92 | 61.48 | 61.45 | 61.97 | 62.37 | 63.32 | 64.82 | 65.93 | 66.07 | 66.23 |