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Retirement Plans - Net Periodic Pension Costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 0 $ 0 $ 0
Interest cost 657 582 517
Expected return on plan assets (424) (455) (526)
Amortization and deferral 0 0 7
Net periodic benefit cost 233 127 (2)
International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 884 918 1,114
Interest cost 2,215 1,715 1,427
Expected return on plan assets (1,244) (2,005) (2,200)
Amortization and deferral 326 478 1,205
Net periodic benefit cost $ 2,181 $ 1,106 $ 1,546