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Contingencies and Accrued Losses - Accrued Loss Reserves (Detail) - USD ($) $ in Thousands | May 31, 2025 | May 31, 2024
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Schedule Of Accrued Liabilities [Line Items] |  |
Accrued Loss Reserves - Current | $ 36,701 | $ 32,518
Accrued Loss Reserves - Noncurrent | 31,459 | 31,467
Accrued product liability and other loss reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued Loss Reserves - Current | 24,781 | 23,353
Accrued Loss Reserves - Noncurrent | 25,206 | 25,289
Accrued warranty reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued Loss Reserves - Current | 10,494 | 8,017
Accrued Loss Reserves - Noncurrent | 3,534 | 3,604
Accrued environmental reserves |  |
Schedule Of Accrued Liabilities [Line Items] |  |
Accrued Loss Reserves - Current | 1,426 | 1,148
Accrued Loss Reserves - Noncurrent | $ 2,719 | $ 2,574

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- Definition Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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- Definition Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 + Details
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