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Pretax Net Actuarial Loss and Prior Service (Cost) Credits Recognized in Accumulated Other Comprehensive Income (Loss) not Affecting Retained Earnings, Pension (Detail) - Pension Benefits - USD ($) $ in Thousands | May 31, 2024 | May 31, 2023
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U.S. Plans |  |
Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] |  |
Net actuarial loss | $ (126,481) | $ (205,025)
Prior service (costs) credit | (8) | (10)
Total recognized in accumulated other comprehensive income not affecting retained earnings | (126,489) | (205,035)
Non-U.S. Plans |  |
Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] |  |
Net actuarial loss | (32,209) | (29,764)
Prior service (costs) credit | 424 | 530
Total recognized in accumulated other comprehensive income not affecting retained earnings | $ (31,785) | $ (29,234)

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