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Revenue - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Dec. 30, 2017
Revenue Initial Application Period Cumulative Effect Transition [Line Items]      
Decrease to prepaid expenses and other current assets $ (26,728)   $ (26,805)
Increase to deferred income tax liability 213,549   $ 143,591
Deferred revenue recognized $ 65,043    
Revenue, practical expedient, remaining performance obligation, description contracts with an original expected length of one year or less.    
Other Liabilities      
Revenue Initial Application Period Cumulative Effect Transition [Line Items]      
Long-term deferred revenue $ 1,773    
Accounting Standards Update 2014-09 | Retained Earnings      
Revenue Initial Application Period Cumulative Effect Transition [Line Items]      
Net increase to opening retained earnings   $ 2,145  
Difference between Revenue Guidance in Effect Before and After Topic 606 | Accounting Standards Update 2014-09      
Revenue Initial Application Period Cumulative Effect Transition [Line Items]      
Decrease to deferred revenue   3,501  
Decrease to prepaid expenses and other current assets   568  
Increase to deferred income tax liability   $ 788