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Earnings Per Share Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Aug. 08, 2016
Feb. 11, 2014
Earnings Per Share [Line Items]          
Anti-dilutive stock options 3,100,328 2,264,711 1,116,576    
Common stock, shares authorized 320,000,000 320,000,000      
Preferred stock, shares authorized 2,000,000        
Preferred stock, par or stated value Per Share $ 1        
Purchases of shares under employee stock plans $ (4.9) $ (7.7) $ (10.5)    
Common stock repurchase program, authorized amount       $ 300.0 $ 200.0
Purchase of common stock for treasury $ (61.9) (92.6)      
Series A junior participating preferred stock [Member]          
Earnings Per Share [Line Items]          
Preferred stock, shares authorized 150,000        
Series B junior participating preferred stock [Member]          
Earnings Per Share [Line Items]          
Preferred stock, shares authorized 500,000        
Treasury Stock [Member]          
Earnings Per Share [Line Items]          
Purchase of common stock for treasury $ (61.9) $ (92.6) $ 0.0