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, 2023 |
May 31, 2022 |
May 31, 2021 |
|
| Income Tax Disclosure [Abstract] | |||
| Balance as of beginning of fiscal year | $ 50.2 | $ 22.4 | $ 26.2 |
| Additions for tax positions of the current year | 20.6 | 11.1 | 5.5 |
| Additions for tax positions of prior years | 4.6 | 20.6 | 9.2 |
| Reductions for tax positions of prior years | (2.1) | (1.8) | |
| Settlements with tax authorities | (0.4) | (0.4) | (15.2) |
| Expiration of the statute of limitations | (0.9) | (1.7) | (3.3) |
| Balance as of end of fiscal year | $ 72.0 | $ 50.2 | $ 22.4 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- 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/disclosureRef
|
| X | ||||||||||
- 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
|