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Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 27, 2017
Apr. 27, 2017
Jul. 04, 2017
Jun. 28, 2016
Jul. 04, 2017
Jun. 28, 2016
Jan. 03, 2017
Jul. 21, 2016
Jul. 20, 2016
Stockholders Equity                  
Cash dividends declared per common share (in dollars per share) $ 0.29 $ 0.24 $ 0.24 $ 0.20 $ 0.48 $ 0.40      
Repurchased shares since program inception     47,494,923   47,494,923   46,979,659    
Value of shares repurchased since program inception     $ 1,440,443   $ 1,440,443   $ 1,409,889    
Treasury stock repurchased during period         $ 30,554        
Treasury Stock                  
Stockholders Equity                  
Number of shares authorized to be repurchased               56,000,000 7,500,000
Repurchased shares since program inception     47,500,000   47,500,000        
Value of shares repurchased since program inception     $ 1,440,400   $ 1,440,400        
Shares repurchased during period         400,000        
Treasury stock repurchased during period         $ 21,300