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Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Oct. 03, 2015
Sep. 27, 2014
Class of Stock [Line Items]        
Cash dividends per common share (in dollars per share) $ 0.265 $ 0.25 $ 0.78 $ 0.74
Common Stock [Member]        
Class of Stock [Line Items]        
Repurchased common stock, shares     506,300  
Repurchased common stock, value     $ 24.8  
Stock repurchase program, remaining authorized repurchase amount $ 194.6   $ 194.6