Pension Plans - 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, 2025 |
May 31, 2024 |
|---|---|---|
| U.S. Plans | ||
| Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] | ||
| Net actuarial loss | $ (108,475) | $ (126,481) |
| Prior service (costs) credit | (6) | (8) |
| Total recognized in accumulated other comprehensive income not affecting retained earnings | (108,481) | (126,489) |
| Non-U.S. Plans | ||
| Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] | ||
| Net actuarial loss | (37,298) | (32,209) |
| Prior service (costs) credit | 330 | 424 |
| Total recognized in accumulated other comprehensive income not affecting retained earnings | $ (36,968) | $ (31,785) |