Financial Instruments (Details 4) (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jan. 01, 2011
Reconciliation of the balance of Accumulated Other Comprehensive Income related to cash flow hedges of foreign exchange forward contracts
Beginning Balance, before tax effect	$ (2,331)	$ (1,414)
Derivative losses recognized	(4,495)
Losses amortized to earnings	2,399
Gains amortized to earnings		418
Other		168
Derivative gains recognized		2,905
Ending Balance, before tax effect	(4,427)	2,077
Tax effect	971	(573)
Balance, net of tax	$ (3,456)	$ 1,504	$ (1,847)