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Business Combinations (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions | Jan. 07, 2025 | Jul. 31, 2023 | Feb. 28, 2025 | May 31, 2024
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Business Acquisition [Line Items] |  |  |  |
Goodwill |  |  | $ 1,877.8 | $ 1,882.7
Alterna Capital Solutions LLC [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Business acquisition purchase price |  | $ 95.1 |  |
Cash acquired from acquisition |  | 15.7 |  |
Business combination, settlement of debt |  | 128.9 |  |
Business combination, accounts receivable |  | 146.1 |  |
Business combination, intangible assets |  | $ 18.9 |  |
Business combination intangible assets weighted average amortization period |  | 8 years |  |
Goodwill |  | $ 46.7 |  |
Paycor HCM, Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of all-cash transaction per eligible share, without interest | $ 22.50 |  |  |

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