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Accumulated Other Comprehensive Income - Schedule of Accumulated Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance $ (110,067)  
Other comprehensive income, net of tax 21,436 $ 29,743
Ending balance (88,631)  
Currency Translation [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (69,418)  
Other comprehensive income, net of tax 23,913  
Ending balance (45,505)  
Unrealized Gain (Loss) on Retirement Plans [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (37,103)  
Other comprehensive income, net of tax 406  
Ending balance (36,697)  
Unrealized Gain (Loss) on Investments [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (3,546)  
Other comprehensive income, net of tax (2,883)  
Ending balance $ (6,429)