Accumulated Other Comprehensive Income and Shareholders' Equity (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program, remaining authorized repurchase amount			$ 101.0
Cash dividends per common share	$ 0.24	$ 0.24	$ 0.72	$ 0.71
Common Stock [Member]
Schedule of Shareholders' Equity [Line Items]
Repurchased common stock, shares			388,100
Repurchased common stock, value			$ 13.8