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Retirement Plans - Change in Projected Benefit Obligations and Change in Plan Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
United States Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period $ 13,313 $ 14,056  
Service cost 0 0 $ 0
Interest cost 491 657 582
Benefits paid, inclusive of plan expenses (635) (865)  
Plan curtailments and settlements (13,338) 0  
Plan combinations 0 0  
Actuarial (gains) losses 169 (535)  
Foreign currency translation adjustment 0  
Benefit obligation at the end of the period 0 13,313 14,056
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period 15,153 13,975  
Actual return on plan assets (23) 2,043  
Employer contributions 0 0  
Benefits paid, inclusive of plan expenses (635) (865)  
Plan curtailments and settlements (13,338) 0  
Foreign currency translation adjustment 0 0  
Fair value of plan assets at the end of the period 1,157 15,153 13,975
Funded status surplus (deficit) 1,157 1,840  
International Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period 55,806 51,718  
Service cost 954 884 918
Interest cost 2,501 2,215 1,715
Benefits paid, inclusive of plan expenses (2,759) (2,353)  
Plan curtailments and settlements 0 0  
Plan combinations 0 (1,835)  
Actuarial (gains) losses (3,601) 633  
Foreign currency translation adjustment 901 874  
Benefit obligation at the end of the period 53,802 55,806 51,718
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period 32,563 40,104  
Actual return on plan assets (2,075) (7,717)  
Employer contributions 1,720 1,655  
Benefits paid, inclusive of plan expenses (2,759) (2,353)  
Plan curtailments and settlements 0 0  
Foreign currency translation adjustment 715 874  
Fair value of plan assets at the end of the period 30,164 32,563 $ 40,104
Funded status surplus (deficit) $ (23,638) $ (23,243)