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Contingencies and Accrued Losses - Changes in Accrued Warranty Balances (Detail) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2025 | May 31, 2024 | May 31, 2023
Commitments and Contingencies Disclosure [Abstract] |  |  |  |
Beginning Balance |  | $ 11,621 | $ 11,776 | $ 10,905
Deductions | [1] | (29,434) | (34,388) | (27,851)
Provision charged to expense |  | 31,841 | 34,233 | 28,722
Ending Balance |  | $ 14,028 | $ 11,621 | $ 11,776
[1] | Primarily claims paid during the year.

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- Definition Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-8 + Details
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