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Retirement Plans - Significant Assumptions Used to Determine Projected Benefit Obligations (Detail)
Mar. 31, 2025
Mar. 31, 2024
United States Plans    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate   5.20%
International Plans | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 3.30% 3.80%
Rate of compensation increase 2.00% 2.50%
International Plans | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 5.90% 5.30%
Rate of compensation increase 4.50% 4.50%