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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021
Income Tax [Line Items] |  |  |
Foreign capital loss carryforwards | $ 23,500,000 |  |
Total Valuation Allowances | 30,033,000 | $ 30,509,000 |
Unrecognized tax benefits that would impact effective tax rate, if recognized | 2,900,000 | 5,600,000 | $ 7,000,000.0
Accrued interest and penalties related to unrecognized tax benefits | 2,200,000 | 3,200,000 | $ 2,900,000
Unremitted foreign earnings | 204,600,000 |  |
Deferred income tax liability | 990,000 | $ 3,002,000 |
Remaining unremitted foreign earnings | 1,200,000,000 |  |
Provision for deferred income taxes | 0 |  |
State |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 3,200,000 |  |
Net operating loss carryforwards beginning expiration year | 2024 |  |
Foreign |  |  |
Income Tax [Line Items] |  |  |
Tax credit carryforwards | $ 31,800,000 |  |
Tax credit carryforwards expiration year | 2032 |  |
Foreign Net Operating Loss Carryforwards |  |  |
Income Tax [Line Items] |  |  |
Net operating loss carryforwards | $ 148,200,000 |  |
Net operating loss carryforwards beginning expiration year | 2024 |  |
Net operating loss carryforwards subject to expiration | $ 37,500,000 |  |
Net operating loss carryforwards indefinite carry forward period | $ 110,700,000 |  |

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