Marketable Securities - Additional Information (Detail) - USD ($) $ in Millions |
May 31, 2026 |
May 31, 2025 |
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| Investments, Debt and Equity Securities [Abstract] | ||
| Available-for-sale debt securities current | $ 3.2 | $ 4.1 |
| Available-for-sale debt securities long-term asset | 22.2 | 20.2 |
| Equity securities | $ 174.4 | $ 135.4 |
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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