Derivative Financial Instruments (Schedule Of Derivatives Not Designated As Hedging Instruments) (Details) (Other Income (Expense), Net [Member], Foreign Currency Forward Contracts [Member], Derivatives Not Designated As Hedging Instruments [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Other Income (Expense), Net [Member] | Foreign Currency Forward Contracts [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gains or (Losses) Recognized in Income on Derivative	$ 793	$ (1,037)	$ 49	$ (2,896)