Operational Initiatives (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
SG&A [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational improvement initiatives costs	$ 4.3	$ 0
Minimum [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational Improvement Initiatives, Expected Costs	10.0
Maximum [Member]
Component of Operating Other Cost and Expense [Line Items]
Operational Improvement Initiatives, Expected Costs	$ 12.0