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Stockholders' Equity - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 23, 2016
Feb. 18, 2016
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Quarterly cash dividend declared (in dollars per share)   $ 1.75  
Total cash dividend paid $ 121,494,000    
Restricted stock units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares issued in period     526,988
Weighted-average grant date fair value of shares issued (in dollars per share)     $ 290.46
Weighted average requisite service period of shares issued     3 years 5 months 23 days
Special Distribution [Member] | Restricted stock units [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividends payable     $ 1,366,000