INTEREST INCOME (EXPENSE), NET (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Oct. 29, 2011	Oct. 30, 2010
Components of interest income (expense), net
Interest income	$ 228	$ 176	$ 706	$ 397
Tax-exempt interest income	0	1	7	19
Total interest income	228	177	713	416
Less:
Interest expense - credit facilities	35	55	161	181
Unused line fee	149	300	770	894
Amortization of deferred financing costs	91	145	381	435
Other interest and fees	23	67	56	133
Total interest expense	298	567	1,368	1,643
Interest (expense), net	$ (70)	$ (390)	$ (655)	$ (1,227)