Service Revenue (Summary of Changes in Deferred Costs to Obtain and Fulfill Contracts) (Details) - USD ($) $ in Millions |
3 Months Ended | ||||
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Aug. 31, 2024 |
Aug. 31, 2023 |
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Capitalized Contract Cost [Line Items] | |||||
Amortization | $ 58.5 | $ 57.2 | [1] | ||
Costs To Fulfill Contracts [Member] | |||||
Capitalized Contract Cost [Line Items] | |||||
Balance, beginning of period | 76.6 | 75.3 | |||
Capitalization of costs | 6.3 | 6.5 | |||
Amortization | (6.7) | (6.6) | |||
Balance, end of period | 76.2 | 75.2 | |||
Costs To Obtain Contracts [Member] | |||||
Capitalized Contract Cost [Line Items] | |||||
Balance, beginning of period | 609.4 | 597.5 | |||
Capitalization of costs | 45.3 | 55.7 | |||
Amortization | (51.8) | (50.6) | |||
Balance, end of period | $ 602.9 | $ 602.6 | |||
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- Definition Capitalized Contract Cost No definition available.
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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