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Retirement Plans and Other Postretirement Benefits - Fair Value of Plan Assets for Foreign Defined Benefit Pension Plans (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 783,203 $ 774,329  
Foreign Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 165,767 174,443  
Foreign Defined Benefit Pension Plans | Life insurance      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10,766 12,619  
Foreign Defined Benefit Pension Plans | Total investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10,766 12,619  
Foreign Defined Benefit Pension Plans | Investments measured at net asset value      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 155,001 161,824  
Level 3 | Foreign Defined Benefit Pension Plans      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10,766 12,619  
Level 3 | Foreign Defined Benefit Pension Plans | Life insurance      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 10,766 12,619 $ 13,043
Level 3 | Foreign Defined Benefit Pension Plans | Total investments      
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 10,766 $ 12,619