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Retirement Plans and Other Postretirement Benefits - Summary of Changes of Fair Value of Foreign Plans' Investments Using Significant Unobservable Inputs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year $ 774,329  
Actual return on assets:    
Fair value of plan assets at the end of the year 783,203 $ 774,329
U.S. Defined Benefit Pension Plans    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 599,886  
Actual return on assets:    
Fair value of plan assets at the end of the year 617,436 599,886
Foreign Defined Benefit Pension Plans    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 174,443  
Actual return on assets:    
Fair value of plan assets at the end of the year 165,767 174,443
Foreign Defined Benefit Pension Plans | Life insurance    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 12,619  
Actual return on assets:    
Fair value of plan assets at the end of the year 10,766 12,619
Level 3 | U.S. Defined Benefit Pension Plans    
Actual return on assets:    
Fair value of plan assets at the end of the year 31,900  
Level 3 | U.S. Defined Benefit Pension Plans | Hedge Funds    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 0  
Actual return on assets:    
Unrealized losses relating to instruments still held at the end of the year 0  
Realized gains (losses) relating to assets sold during the year 0  
Purchases, sales, issuances and settlements, net 31,900  
Fair value of plan assets at the end of the year 31,900 0
Level 3 | Foreign Defined Benefit Pension Plans    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 12,619  
Actual return on assets:    
Fair value of plan assets at the end of the year 10,766 12,619
Level 3 | Foreign Defined Benefit Pension Plans | Life insurance    
Defined Benefit Plan, Change in Fair Value of Plan Assets, Level 3 Reconciliation [Roll Forward]    
Fair value of plan assets at the beginning of the year 12,619 13,043
Actual return on assets:    
Unrealized losses relating to instruments still held at the end of the year (1,853) (424)
Realized gains (losses) relating to assets sold during the year 0 0
Purchases, sales, issuances and settlements, net 0 0
Fair value of plan assets at the end of the year $ 10,766 $ 12,619