FAIR VALUE MEASUREMENTS (Details) - Recurring [Member] - USD ($) $ in Thousands	Feb. 02, 2019	Feb. 03, 2018
Level I [Member]
Assets measured at fair value on recurring basis [Abstract]
Short-term investments	$ 158	$ 463
Long-term investments	2,377	2,418
Long-term contingent earnout	0	0
Total investments	2,535	2,881
Level II [Member]
Assets measured at fair value on recurring basis [Abstract]
Short-term investments	0	0
Long-term investments	0	0
Long-term contingent earnout	0	0
Total investments	0	0
Level III [Member]
Assets measured at fair value on recurring basis [Abstract]
Short-term investments	0	0
Long-term investments	0	0
Long-term contingent earnout	9,200	0
Total investments	$ 9,200	$ 0