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Commitments, Contingencies and Guarantees (Details 5) (USD $)
In Thousands
3 Months Ended9 Months Ended
Oct. 02, 2011
Oct. 03, 2010
Oct. 02, 2011
Oct. 03, 2010
Net rent expense    
Rent expense, net$ 2,019$ 1,839$ 5,866$ 5,624