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Retirement Plans and Other Postretirement Benefits - Net Projected Benefit Obligation and Fair Value of Plan Assets for Funded and Unfunded Defined Benefit Plans (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Change in projected benefit obligation:      
Net projected benefit obligation at the beginning of the year $ 883,940    
Service cost 6,985 $ 7,261 $ 6,556
Interest cost 18,532 22,611 26,979
Net projected benefit obligation at the end of the year 837,195 883,940  
Change in plan assets:      
Fair value of plan assets at the beginning of the year 913,034    
Fair value of plan assets at the end of the year 967,915 913,034  
U.S. Defined Benefit Pension Plans | Pension Plan      
Change in projected benefit obligation:      
Net projected benefit obligation at the beginning of the year 532,357 510,514  
Service cost 2,767 3,015  
Interest cost 14,074 17,235  
Actuarial (gains) losses (12,593) 32,963  
Gross benefits paid (31,832) (31,370)  
Net projected benefit obligation at the end of the year 504,773 532,357 510,514
Change in plan assets:      
Fair value of plan assets at the beginning of the year 662,298 621,632  
Actual return on plan assets 70,540 71,281  
Employer contributions 621 755  
Gross benefits paid (31,832) (31,370)  
Fair value of plan assets at the end of the year 701,627 662,298 621,632
Foreign Defined Benefit Pension Plans      
Change in plan assets:      
Fair value of plan assets at the beginning of the year 250,735    
Fair value of plan assets at the end of the year 266,288 250,735  
Foreign Defined Benefit Pension Plans | Pension Plan      
Change in projected benefit obligation:      
Net projected benefit obligation at the beginning of the year 351,584 311,783  
Service cost 4,218 4,246  
Interest cost 4,458 5,376  
Foreign currency translation adjustments (6,580) 13,955  
Employee contributions 76 92  
Actuarial (gains) losses (10,199) 27,055  
Expenses paid from assets (1,121) (838)  
Gross benefits paid (10,426) (10,615)  
Curtailments 412 0  
Plan amendments 0 530  
Net projected benefit obligation at the end of the year 332,422 351,584 311,783
Change in plan assets:      
Fair value of plan assets at the beginning of the year 250,735 224,347  
Actual return on plan assets 20,184 20,966  
Employer contributions 9,656 8,772  
Employee contributions 76 92  
Foreign currency translation adjustments (2,816) 8,011  
Expenses paid from assets (1,121) (838)  
Gross benefits paid (10,426) (10,615)  
Fair value of plan assets at the end of the year $ 266,288 $ 250,735 $ 224,347