Derivative Instruments And Hedging Activities (Gain (Loss) On Derivative Not Designated As Hedges Recognized In Income On Derivative) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2010		Sep. 26, 2010
Derivative [Line Items]
Amount of Gain/(Loss) Recognized in Income on Derivative	$ (888)		$ (6,469)
Derivatives Securitization Transaction [Member]
Derivative [Line Items]
Amount of Loss Recognized in Income on Derivatives	(1)	[1]	(8)	[1]
Derivatives Conduit Facility [Member]
Derivative [Line Items]
Amount of Loss Recognized in Income on Derivatives	$ (887)	[1]	$ (6,461)	[1]

[1] Gain/(loss) recognized in income is included in financial services interest expense.