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Treasury Stock (Details) - USD ($)
$ in Thousands, shares in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 26, 2015
Dec. 27, 2014
Oct. 31, 2016
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract]          
Additional Amount Authorized Under Share Repurchase Program         $ 1,000,000
Total amount of stock authorized under the repurchase program $ 3,000,000 $ 3,000,000      
Stock Repurchase Program Expiration Date Dec. 31, 2020        
Repurchased shares under the share repurchase program (in shares)   4.4 3.4 4.7  
Payments for Repurchase of Common Stock   $ (331,708) $ (292,705) $ (298,497)  
Remaining authorization under the share repurchase program $ 1,200,000 $ 1,200,000