Activity Related to Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
May 31, 2024 |
May 31, 2023 |
May 31, 2022 |
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| Income Tax Disclosure [Abstract] | |||
| Unrecognized tax benefits, beginning balance | $ 2.9 | $ 5.7 | $ 7.5 |
| Additions for tax positions of prior years | 3.4 | 0.1 | |
| Reductions for tax positions of prior years | (1.4) | (2.8) | (1.7) |
| Settlements | (0.5) | ||
| Foreign currency translation | (0.1) | (0.1) | |
| Unrecognized tax benefits, ending balance | $ 4.4 | $ 2.9 | $ 5.7 |
| X | ||||||||||
- 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 foreign currency translation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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| X | ||||||||||
- 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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| 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
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