v3.24.2
Postretirement Benefits - Components of Net Postretirement Expense (Detail) - Postretirement Benefits - USD ($)
$ in Thousands
 12 Months Ended
May 31, 2024
May 31, 2023
May 31, 2022
Domestic      
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]      
Interest cost $ 87 $ 84 $ 41
Prior service (credit)   (121) (161)
Net actuarial (gains) losses (15) 43 61
Net Pension Cost 72 6 (59)
Non-U.S. Plans      
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]      
Service cost 2,259 1,951 1,623
Interest cost 1,550 1,374 1,124
Net actuarial (gains) losses (49) (51) 121
Net Pension Cost $ 3,760 $ 3,274 $ 2,868