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Pension Plans - Relationship between Plans Benefit Obligations and Assets (Detail) - Pension Benefits - USD ($) $ in Thousands | May 31, 2025 | May 31, 2024
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U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plans with projected benefit obligations in excess of plan assets, benefit obligation | $ 4,756 | $ 712,123
Plans with accumulated benefit obligations in excess of plan assets, benefit obligation | 40 | 41
Plans with assets in excess of projected benefit obligations | 744,930 | 7,540
Plans with assets in excess of accumulated benefit obligations | 650,946 | 618,372
Plans with projected benefit obligations in excess of plan assets, plan asset | 4,136 | 711,245
Plans with assets in excess of projected benefit obligations, plan asset | 766,567 | 8,834
Plans with assets in excess of accumulated benefit obligations, plan asset | 770,703 | 720,079
Non-U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plans with projected benefit obligations in excess of plan assets, benefit obligation | 35,864 | 28,469
Plans with accumulated benefit obligations in excess of plan assets, benefit obligation | 31,513 | 25,001
Plans with assets in excess of projected benefit obligations | 150,753 | 137,591
Plans with assets in excess of accumulated benefit obligations | 143,723 | 131,570
Plans with projected benefit obligations in excess of plan assets, plan asset | 22,399 | 19,988
Plans with accumulated benefit obligations in excess of plan assets, plan asset | 20,117 | 17,730
Plans with assets in excess of projected benefit obligations, plan asset | 166,585 | 154,272
Plans with assets in excess of accumulated benefit obligations, plan asset | $ 168,867 | $ 156,530

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