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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
May 31, 2025 | May 31, 2024 | May 31, 2023
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 184,800,000 |  |
Foreign capital loss carryforwards | 25,400,000 |  |
Total Valuation Allowances | 49,167,000 | $ 30,021,000 |
Increase to deferred income tax assets for U.S. foreign tax credit carryforwards | 43,922,000 |  |
Unrecognized tax benefits that would impact effective tax rate, if recognized | 1,600,000 | 4,400,000 | $ 2,900,000
Accrued interest and penalties related to unrecognized tax benefits | 600,000 | 3,000,000 | $ 2,200,000
Unremitted foreign earnings | 164,700,000 |  |
Deferred income tax liability | 0 | $ 4,055,000 |
Remaining unremitted foreign earnings | 1,100,000,000 |  |
Provision for deferred income taxes | $ 0 |  |
Minimum tax rate on reported profits from OECD framework | 15.00% |  |
State and Local |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 1,100,000 |  |
Net operating loss carryforwards beginning expiration year | 2026 |  |
Foreign |  |  |
Income Tax [Line Items] |  |  |
Tax credit carryforwards | $ 7,600,000 |  |
Tax credit carryforwards expiration year | 2034 |  |
Foreign Net Operating Loss Carryforwards |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 93,200,000 |  |
Net operating loss carryforwards beginning expiration year | 2026 |  |
Net operating loss carryforwards subject to expiration | $ 18,900,000 |  |
Net operating loss carryforwards indefinite carry forward period | 165,900,000 |  |
Interest Deduction Carryforwards |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 91,600,000 |  |

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