Deferred Client Conversion and Start-Up Costs - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
Jun. 30, 2024 |
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||
| Deferred client conversion and start-up costs | $ 847.4 | $ 847.4 | $ 892.1 | ||
| Deferred client conversion and start-up costs | 841.3 | 841.3 | 884.5 | ||
| Other start-up costs | 6.1 | 6.1 | $ 7.6 | ||
| Amortization of deferred sales commissions costs | $ 36.8 | $ 33.3 | $ 111.5 | $ 97.7 | |
| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred sale inducement cost capitalized on contract remaining in force. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of amortization of other deferred costs recognized in the income statement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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