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Relationship between Plans Benefit Obligations and Assets (Detail) - Pension Benefits - USD ($) $ in Thousands | May 31, 2022 | May 31, 2021
--- | --- | ---
U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plans with projected benefit obligations in excess of plan assets, benefit obligation | $ 702,511 | $ 822,073
Plans with accumulated benefit obligations in excess of plan assets, benefit obligation | 10,542 | 702,315
Plans with assets in excess of projected benefit obligations | 1,224 |
Plans with assets in excess of accumulated benefit obligations | 599,891 |
Plans with projected benefit obligations in excess of plan assets, plan asset | 615,659 | 672,377
Plans with accumulated benefit obligations in excess of plan assets, plan asset | 10,024 | 672,377
Plans with assets in excess of projected benefit obligations, plan asset | 1,301 |
Plans with assets in excess of accumulated benefit obligations, plan asset | 606,936 |
Non-U.S. Plans |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Plans with projected benefit obligations in excess of plan assets, benefit obligation | 36,607 | 45,294
Plans with accumulated benefit obligations in excess of plan assets, benefit obligation | 32,808 | 43,522
Plans with assets in excess of projected benefit obligations | 145,927 | 186,734
Plans with assets in excess of accumulated benefit obligations | 139,333 | 173,490
Plans with projected benefit obligations in excess of plan assets, plan asset | 25,049 | 30,421
Plans with accumulated benefit obligations in excess of plan assets, plan asset | 22,844 | 30,421
Plans with assets in excess of projected benefit obligations, plan asset | 168,326 | 209,432
Plans with assets in excess of accumulated benefit obligations, plan asset | $ 170,531 | $ 209,432

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