Uncertain Tax Positions (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 28, 2013	Jun. 28, 2013
Income Taxes [Line Items]
Uncertain Tax Positions	$ 4.1	$ 4.1
Uncertain Tax Positions, Decreases Resulting from Settlements with Taxing Authorities		2.0
Federal and Foreign Country Jurisdiction [Member]
Income Taxes [Line Items]
Change in uncertain tax positions	$ 0	$ 2.1