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Pension Plans - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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May 31, 2025 | May 31, 2024 | May 31, 2023
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Estimated benefits payable in the first year | $ 75,300 |  |
Estimated benefits payable in the second year | 77,500 |  |
Estimated benefits payable in the third year | 81,500 |  |
Estimated benefits payable in the fourth year | 89,200 |  |
Estimated benefits payable in the fifth year | 89,100 |  |
Estimated benefits payable in the years thereafter | 448,300 |  |
Matching contribution charged to income | $ 31,300 | $ 29,800 | $ 27,600
Pension Benefits |  |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Average compensation with accrued benefits vesting period | 5 years |  |
U.S. Plans | Pension Benefits |  |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Contribution to pension plan in the current | $ 45,537 | 41,928 |
Non-U.S. Plans | Pension Benefits |  |  |
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |
Contribution to retirement plans in the next fiscal year | 6,100 |  |
Contribution to pension plan in the current | $ 4,537 | $ 5,449 |

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