Deferred Client Conversion and Start-up Costs - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Jun. 30, 2023 |
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||
| Deferred client conversion and start-up costs | $ 930.6 | $ 930.6 | $ 937.0 | ||
| Deferred client conversion and start-up costs | 921.4 | 921.4 | 925.4 | ||
| Other start-up costs | 9.2 | 9.2 | $ 11.5 | ||
| Amortization of deferred sales commissions and set-up costs | $ 32.2 | $ 24.1 | $ 64.4 | $ 48.0 | |
| 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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