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Retirement Plans - Summary of Pension Plan Investments Measured at Fair Value (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement $ 16,265 $ 12,036 $ 13,763
International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 42,844 32,831 $ 36,791
Quoted Price In Active Markets for Identical Assets (Level 1) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 16,265 12,036  
Quoted Price In Active Markets for Identical Assets (Level 1) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 81 141  
Significant Other Observable Inputs (Level 2) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Significant Other Observable Inputs (Level 2) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 42,763 32,690  
Significant Unobservable Inputs (Level 3) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Significant Unobservable Inputs (Level 3) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Cash and Cash Equivalents | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 1,454 1,221  
Cash and Cash Equivalents | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 81 141  
Cash and Cash Equivalents | Quoted Price In Active Markets for Identical Assets (Level 1) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 1,454 1,221  
Cash and Cash Equivalents | Quoted Price In Active Markets for Identical Assets (Level 1) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 81 141  
Cash and Cash Equivalents | Significant Other Observable Inputs (Level 2) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Cash and Cash Equivalents | Significant Other Observable Inputs (Level 2) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Cash and Cash Equivalents | Significant Unobservable Inputs (Level 3) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Cash and Cash Equivalents | Significant Unobservable Inputs (Level 3) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
US Equity Securities | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 10,435 6,860  
US Equity Securities | Quoted Price In Active Markets for Identical Assets (Level 1) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 10,435 6,860  
US Equity Securities | Significant Other Observable Inputs (Level 2) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
US Equity Securities | Significant Unobservable Inputs (Level 3) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
International Equity Securities | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 28,144 20,059  
International Equity Securities | Quoted Price In Active Markets for Identical Assets (Level 1) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
International Equity Securities | Significant Other Observable Inputs (Level 2) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 28,144 20,059  
International Equity Securities | Significant Unobservable Inputs (Level 3) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Fixed Income Funds | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 4,376 3,955  
Fixed Income Funds | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 14,619 12,631  
Fixed Income Funds | Quoted Price In Active Markets for Identical Assets (Level 1) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 4,376 3,955  
Fixed Income Funds | Quoted Price In Active Markets for Identical Assets (Level 1) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Fixed Income Funds | Significant Other Observable Inputs (Level 2) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Fixed Income Funds | Significant Other Observable Inputs (Level 2) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 14,619 12,631  
Fixed Income Funds | Significant Unobservable Inputs (Level 3) | United States Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement 0 0  
Fixed Income Funds | Significant Unobservable Inputs (Level 3) | International Plans      
Defined Benefit Plan Disclosure [Line Items]      
Total Fair Value Measurement $ 0 $ 0