INTEREST INCOME (EXPENSE), NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Components of interest income (expense), net
Interest income	$ 234	$ 228	$ 685	$ 706
Tax-exempt interest income	0	0	0	7
Total interest income	234	228	685	713
Less:
Interest expense - credit facilities	39	35	115	161
Unused line fee	100	149	324	770
Amortization of deferred financing costs	91	91	273	381
Other interest and fees	27	23	77	56
Total interest expense	257	298	789	1,368
Interest (expense), net	$ (23)	$ (70)	$ (104)	$ (655)