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Stock Repurchase Program Stock Repurchase Program (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Sep. 01, 2015
Equity [Abstract]        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased       5,000,000.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 2,100      
Shares repurchased 804,000 1,496,000 4,148,000  
Average cost per share $ 84.90 $ 42.39 $ 37.36  
Value of shares repurchased $ 68,260 $ 63,402 $ 154,967