Derivative and Hedging Activities (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended
	Mar. 29, 2012	Mar. 28, 2013	Dec. 31, 2012	Mar. 28, 2013 Interest Rate Contract [Member]
Derivatives Fair Value [Line Items]
Total derivatives liabilities, Fair value		$ 3.3	$ 4.0
Derivative Liability, Fair Value, Net				3.2
Derivative, Loss on Derivative				(1.1)
Derivative, Gain on Derivative	0.2
Derivative And Hedging Activities Textuals [Abstract]
Notional amounts of interest swap agreements	$ 325.0	$ 275.0