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, 2021 |
May 31, 2020 |
May 31, 2019 |
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| Income Taxes [Abstract] | |||
| Balance as of beginning of fiscal year | $ 26.2 | $ 22.1 | $ 14.9 |
| Additions for tax positions of the current year | 5.5 | 4.1 | 3.8 |
| Additions for tax positions of prior years | 9.2 | 1.2 | 5.2 |
| Reductions for tax positions of prior years | (0.6) | ||
| Settlements with tax authorities | (15.2) | (1.2) | |
| Expiration of the statute of limitations | (3.3) | (0.6) | (0.6) |
| Balance as of end of fiscal year | $ 22.4 | $ 26.2 | $ 22.1 |
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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/disclosureRef
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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/disclosureRef
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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/disclosureRef
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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/disclosureRef
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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/disclosureRef
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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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