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Contingencies and Accrued Losses - Accrued Loss Reserves (Detail) - USD ($) $ in Thousands | May 31, 2024 | May 31, 2023
--- | --- | ---
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued losses | $ 32,518 | $ 26,470
Accrued Loss Reserves - Noncurrent | 31,467 | 32,350
Accrued product liability and other loss reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued losses | 23,353 | 16,995
Accrued Loss Reserves - Noncurrent | 25,289 | 22,849
Accrued warranty reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued losses | 8,017 | 8,448
Accrued Loss Reserves - Noncurrent | 3,604 | 3,328
Accrued environmental reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued losses | 1,148 | 1,027
Accrued Loss Reserves - Noncurrent | $ 2,574 | $ 6,173

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