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Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Jul. 21, 2016
Sep. 27, 2016
Sep. 29, 2015
Sep. 27, 2016
Sep. 29, 2015
Dec. 29, 2015
Stockholders Equity:            
Cash dividends declared per common share (in dollars per share) $ 0.24 $ 0.24 $ 0.20 $ 0.64 $ 0.53  
Repurchased shares since program inception   46,454,382   46,454,382   44,064,322
Value of shares repurchased since program inception   $ 1,382,423   $ 1,382,423   $ 1,263,422
Treasury stock repurchased during period       $ 119,001    
Treasury Stock            
Stockholders Equity:            
Increase in number of shares to be repurchased (shares) $ 7,500          
Number of shares authorized to be repurchased 56,000,000          
Repurchased shares since program inception   46,500,000   46,500,000    
Value of shares repurchased since program inception   $ 1,382,400   $ 1,382,400    
Shares repurchased during period   800,000        
Treasury stock repurchased during period   $ 42,400