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Pension and Profit Sharing Plans - Schedule of Fair Values of Defined Benefit Plans (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Fair values of defined benefit plans $ 30,124 $ 31,106 $ 36,313
Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair values of defined benefit plans 0 2,878  
Fixed Income Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair values of defined benefit plans 29,541 27,811  
Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Fair values of defined benefit plans $ 583 $ 417