FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (Recurring [Member], USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Feb. 01, 2014
Level I [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 87	$ 509
Long-term investments	2,619	2,107
Total investments	2,706	2,616
Level II [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Total investments	0	0
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Total investments	$ 0	$ 0