Derivative Instruments and Hedging - Derivatives Income Statement Location (Details) (Foreign Exchange Contract, Interest and Other Income (Expense), Net, Fair Value Hedging, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Foreign Exchange Contract | Interest and Other Income (Expense), Net | Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Loss Recognized in Income on Derivatives	$ (8)		$ (13)
Amount of Gain Recognized in Income on Derivatives		$ (3)		$ 22