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Pretax Net Actuarial Loss and Prior Service (Cost) Recognized in Accumulated Other Comprehensive Income (Loss) not Affecting Retained Earnings,Pension (Detail) - Pension Benefits - USD ($) $ in Thousands | May 31, 2022 | May 31, 2021
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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 | $ (214,607) | $ (250,317)
Prior service (costs) credit | (7) | (12)
Total recognized in accumulated other comprehensive income not affecting retained earnings | (214,614) | (250,329)
Non-U.S. Plans |  |
Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] |  |
Net actuarial loss | (25,984) | (30,045)
Prior service (costs) credit | 518 | 1,023
Total recognized in accumulated other comprehensive income not affecting retained earnings | $ (25,466) | $ (29,022)

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