Derivative Financial Instruments Derivatives Overview (Details) (Cash Flow Hedging [Member], Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jul. 01, 2011	Jul. 01, 2011	Jun. 29, 2012
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0.2	$ 0.4
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months			$ 0.1