Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.7.0.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Schedule Of Income Taxes [Line Items]        
Effective tax rate 14.00% 21.80%    
U.S. federal and state statutory rate 39.00%      
Excess tax benefits from share-based compensation $ 1,374      
Cash and cash equivalents 607,813 $ 443,828 $ 718,536 $ 507,991
Non-US [Member]        
Schedule Of Income Taxes [Line Items]        
Cash and cash equivalents $ 368,100      
Non-US [Member] | Geographic concentration risk [Member] | Cash and Cash Equivalents Geographical Area [Member]        
Schedule Of Income Taxes [Line Items]        
Percentage of cash and cash equivalents 60.60%      
Non-US [Member] | Funds Available For Repatriation [Member]        
Schedule Of Income Taxes [Line Items]        
Cash and cash equivalents $ 33,300      
ASU 2016-09 [Member]        
Schedule Of Income Taxes [Line Items]        
Excess tax benefits from share-based compensation $ 1,400      
Minimum [Member]        
Schedule Of Income Taxes [Line Items]        
Effective tax rate 14.00%      
Minimum [Member] | Non-U.S jurisdictions [Member]        
Schedule Of Income Taxes [Line Items]        
Statutory federal rate 0.00%      
Maximum [Member]        
Schedule Of Income Taxes [Line Items]        
Effective tax rate 19.00%      
Maximum [Member] | Non-U.S jurisdictions [Member]        
Schedule Of Income Taxes [Line Items]        
Statutory federal rate 34.00%