Income Taxes (Reconciliation of Gross Unrecognized Tax Benefits, Not Including Interest or Other Potential Offsetting Effects) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
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| Income Tax Disclosure [Abstract] | |||
| Balance as of beginning of fiscal year | $ 87.2 | $ 72.0 | $ 50.2 |
| Additions for tax positions of the current year | 20.1 | 20.6 | 20.6 |
| Additions for tax positions of prior years | 9.8 | 0.8 | 4.6 |
| Reductions for tax positions of prior years | (5.5) | (3.8) | (2.1) |
| Settlements with tax authorities | 0.0 | (0.3) | (0.4) |
| Expiration of the statute of limitations | (5.6) | (2.1) | (0.9) |
| Balance as of end of fiscal year | $ 106.0 | $ 87.2 | $ 72.0 |
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- References No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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