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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 362,331   $ 359,819
Goodwill foreign currency translation adjustments 2,000    
Intangible assets, gross foreign currency translation adjustments 16,000    
Intangible assets, accumulated amortization foreign currency translation adjustments 10,000    
Amortization expense 13,000 $ 10,000  
Future amortization expense, year 1 52,000    
Future amortization expense, year 2 52,000    
Future amortization expense, year 3 52,000    
Future amortization expense, year 4 52,000    
Future amortization expense, year 5 $ 52,000