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Derivatives and Hedging Activities (Details 3) (Foreign exchange contracts [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 01, 2012
Jan. 02, 2011
Jan. 03, 2010
Foreign exchange contracts [Member]
     
Derivative Instruments, Gain (Loss)      
Foreign exchange contracts $ (5,148) $ (583) $ (1,047)