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INTEREST INCOME (EXPENSE), NET (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Nov. 02, 2013
Oct. 27, 2012
Nov. 02, 2013
Oct. 27, 2012
Components of interest income (expense), net        
Interest income $ 290 $ 234 $ 792 $ 685
Less:        
Interest expense - credit facilities 33 39 93 115
Unused line fee 74 100 214 324
Amortization of deferred financing costs 91 91 273 273
Other interest and fees 10 27 70 77
Total interest expense 208 257 650 789
Interest (expense), net $ 82 $ (23) $ 142 $ (104)