Income Taxes Unrecognized Tax Benefits (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		9 Months Ended
	Sep. 29, 2013	Dec. 30, 2012	Sep. 29, 2013 MEXICO	Feb. 15, 2013 MEXICO
Income Tax Examination [Line Items]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority				$ 0.3
Unrecognized Tax Benefits, Period Increase (Decrease)	1.0
Unrecognized Tax Benefits	12.3	11.3
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	1.3
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	0.5
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	0.9
Unrecognized Tax Benefits, Decreases Resulting from Foreign Currency Translation			$ 0.1