Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.4.0.3
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Schedule Of Income Taxes [Line Items]        
Effective tax rate 21.80% 23.70%    
U.S. federal and state statutory rate 39.00%      
Cash and cash equivalents $ 443,828 $ 396,710 $ 507,991 $ 466,685
Repatriation of earnings 55,800      
Non-US [Member]        
Schedule Of Income Taxes [Line Items]        
Cash and cash equivalents $ 221,800      
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 50.00%      
Minimum [Member]        
Schedule Of Income Taxes [Line Items]        
Effective tax rate 22.00%      
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   25.00%    
Maximum [Member] | Non-U.S jurisdictions [Member]        
Schedule Of Income Taxes [Line Items]        
Statutory federal rate 34.00%