Pension Plans - Weighted-Average Assumptions used to Determine Benefit Obligations and Net Periodic Pension Cost (Detail) - Pension Benefits |
12 Months Ended | ||
|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
|
| Domestic | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Year-End Benefit Obligations, Discount rate | 5.65% | 5.58% | |
| Year-End Benefit Obligations, Rate of compensation increase | 3.38% | 3.39% | |
| Net Periodic Pension Cost, Discount rate | 5.59% | 5.26% | 4.43% |
| Net Periodic Pension Cost, Expected return on plan assets | 7.00% | 7.00% | 6.50% |
| Net Periodic Pension Cost, Rate of compensation increase | 3.39% | 3.39% | 3.21% |
| Non-U.S. Plans | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Year-End Benefit Obligations, Discount rate | 4.78% | 4.81% | |
| Year-End Benefit Obligations, Rate of compensation increase | 3.03% | 2.98% | |
| Net Periodic Pension Cost, Discount rate | 4.81% | 4.88% | 4.02% |
| Net Periodic Pension Cost, Expected return on plan assets | 5.49% | 5.79% | 3.58% |
| Net Periodic Pension Cost, Rate of compensation increase | 2.98% | 2.97% | 2.94% |