Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Class of Stock [Line Items]
Cash dividends per common share (in dollars per share)	$ 0.265	$ 0.25	$ 0.515	$ 0.49
Common Stock [Member]
Class of Stock [Line Items]
Repurchased common stock, shares			305,000
Repurchased common stock, value			$ 15.2
Stock repurchase program, remaining authorized repurchase amount	$ 204.2		$ 204.2