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Open Market Share Repurchase Program - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 14, 2016
Mar. 27, 2016
Mar. 22, 2015
Apr. 21, 2016
Share Repurchases [Line Items]        
Stock Repurchased During Period Shares   0    
Accelerated share repurchase agreement   $ 600,000,000    
Common stock repurchased and retired (in shares) 456,936 456,936 290,877  
Common stock repurchased and retired     $ 29,512,000  
Subsequent Event [Member]        
Share Repurchases [Line Items]        
Stock repurchase program, amount remaining       $ 200,000,000