Subsequent Events (Details) (USD $) In Millions, except Per Share data	9 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 26, 2011 Dividend Declared [Member]	Oct. 01, 2011 Notes Due 2016 [Member]	Oct. 01, 2011 Notes Due 2013 [Member]
Subsequent Event 2011 [Line Items]
Cash dividend declared		$ 0.05
Subsequent event, 2016 Notes repurchased			$ 13.6
Subsequent event, 2013 Notes repurchased				0.5
Subsequent event, Loss on early extinguishment of debt	$ 2.9