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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
May 31, 2024 | May 31, 2023 | May 31, 2022
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 169,100,000 |  |
Foreign capital loss carryforwards | 24,100,000 |  |
Total Valuation Allowances | 30,021,000 | $ 30,033,000 |
Unrecognized tax benefits that would impact effective tax rate, if recognized | 4,400,000 | 2,900,000 | $ 5,600,000
Accrued interest and penalties related to unrecognized tax benefits | 3,000,000 | 2,200,000 | $ 3,200,000
Unremitted foreign earnings | 285,600,000 |  |
Deferred income tax liability | 4,055,000 | $ 990,000 |
Remaining unremitted foreign earnings | 1,200,000,000 |  |
Provision for deferred income taxes | $ 0 |  |
Minimum tax rate on reported profits | 15.00% |  |
State |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 700,000 |  |
Net operating loss carryforwards beginning expiration year | 2025 |  |
Foreign |  |  |
Income Tax [Line Items] |  |  |
Tax credit carryforwards | $ 38,300,000 |  |
Tax credit carryforwards expiration year | 2034 |  |
Foreign Net Operating Loss Carryforwards |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 95,000,000 |  |
Net operating loss carryforwards beginning expiration year | 2025 |  |
Net operating loss carryforwards subject to expiration | $ 17,200,000 |  |
Net operating loss carryforwards indefinite carry forward period | 151,900,000 |  |
Interest Deduction Carryforwards |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 74,100,000 |  |

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