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Stockholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Feb. 16, 2017
Apr. 04, 2017
Mar. 29, 2016
Jan. 03, 2017
Jul. 21, 2016
Jul. 20, 2016
Stockholders Equity:            
Cash dividends declared per common share (in dollars per share) $ 0.24 $ 0.24 $ 0.20      
Repurchased shares since program inception   47,131,792   46,979,659    
Value of shares repurchased since program inception   $ 1,419,180   $ 1,409,889    
Treasury stock repurchased during period   $ 9,291        
Treasury Stock            
Stockholders Equity:            
Number of shares authorized to be repurchased         56,000,000 7,500,000
Repurchased shares since program inception   47,100,000        
Value of shares repurchased since program inception   $ 1,419,200        
Shares repurchased during period   200,000        
Treasury stock repurchased during period   $ 9,300