INCOME TAXES, (Tax expense reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Reconciliation between federal income tax (benefit) expense charged to income before income tax computed at statutory tax rates and actual income tax expense recorded [Abstract]
Federal income tax (benefit) expense at the statutory rate	$ (16,992)	$ (22,072)	$ 1,958
State income taxes, net	(1,345)	(1,084)	332
Uncertain tax position		(743)	128
Other	1,375	654	474
Tax deficiencies related to share-based payments, federal	1,948
Tax credits	(4,386)	(1,921)	(1,077)
Valuation allowance on net deferred tax asset, increase (decrease), amount	6,077
Income tax expense (benefit), adjustment of deferred tax assets, Tax Act	255
Total income tax (benefit) expense	(13,068)	$ (25,166)	$ 1,815
Tax deficiencies related to share-based payments	2,100
Tax deficiencies related to share-based payments, state	$ 200