Goodwill and Intangible Assets, net - Schedule of Changes in Goodwill (Details) $ in Millions |
9 Months Ended |
|---|---|
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Mar. 31, 2026
USD ($)
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| Goodwill [Roll Forward] | |
| Balance at June 30, 2025 | $ 3,273.5 |
| Additions and other adjustments | 21.7 |
| Currency translation adjustments | (6.1) |
| Balance at March 31, 2026 | 3,289.1 |
| Employer Services | |
| Goodwill [Roll Forward] | |
| Balance at June 30, 2025 | 3,268.7 |
| Additions and other adjustments | 21.7 |
| Currency translation adjustments | (6.1) |
| Balance at March 31, 2026 | 3,284.3 |
| PEO Services | |
| Goodwill [Roll Forward] | |
| Balance at June 30, 2025 | 4.8 |
| Additions and other adjustments | 0.0 |
| Currency translation adjustments | 0.0 |
| Balance at March 31, 2026 | $ 4.8 |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) of asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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