Operational Improvement Initiatives (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Component of Operating Other Cost and Expense [Line Items]
Operational improvement initiatives costs	$ 2.2	$ 2.0	$ 10.8	$ 2.1
Minimum [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational Improvement Initiatives, Expected Costs			12.0
Maximum [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational Improvement Initiatives, Expected Costs			14.0
Segment Reconciling Items [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational improvement initiatives costs	$ 1.9		$ 10.3