Derivative Financial Instruments Derivatives Overview (Details) (Cash Flow Hedging [Member], Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011	Sep. 28, 2012
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Loss Reclassified from Accumulated OCI into Income	$ 0.2	$ 0.7
Foreign Currency Cash Flow Hedge Gain be Reclassified During Next 12 Months			$ 0.1