v3.26.1
Retirement Plans - Change in Projected Benefit Obligations and Change in Plan Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period $ 26,588 $ 28,497  
Fair value of plan assets at the end of the period 0 26,588 $ 28,497
United States Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period 0 13,313  
Service cost 0 0 0
Interest cost 0 491 657
Benefits paid, inclusive of plan expenses 0 (635)  
Plan curtailments and settlements 0 (13,338)  
Plan combinations 0 0  
Actuarial (gains) losses 0 169  
Foreign currency translation adjustment  
Benefit obligation at the end of the period 0 0 13,313
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period 1,157 15,153  
Actual return on plan assets (97) (23)  
Employer contributions (1,060) 0  
Benefits paid, inclusive of plan expenses 0 (635)  
Plan curtailments and settlements 0 (13,338)  
Foreign currency translation adjustment 0 0  
Fair value of plan assets at the end of the period 0 1,157 15,153
Funded status surplus (deficit) 0 1,157  
International Plans      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at the beginning of the period 53,802 55,806  
Service cost 1,080 954 884
Interest cost 1,726 2,501 2,215
Benefits paid, inclusive of plan expenses (2,382) (2,759)  
Plan curtailments and settlements (27,349) 0  
Plan combinations 0 0  
Actuarial (gains) losses (1,810) (3,601)  
Foreign currency translation adjustment 2,721 901  
Benefit obligation at the end of the period 27,788 53,802 55,806
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]      
Fair value of plan assets at the beginning of the period 30,164 32,563  
Actual return on plan assets (587) (2,075)  
Employer contributions 1,877 1,720  
Benefits paid, inclusive of plan expenses (2,382) (2,759)  
Plan curtailments and settlements (27,349) 0  
Foreign currency translation adjustment 1,184 715  
Fair value of plan assets at the end of the period 2,907 30,164 $ 32,563
Funded status surplus (deficit) $ (24,881) $ (23,638)