INCOME TAXES, (Tax expense reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Reconciliation between federal income tax expense charged to income before income tax computed at statutory tax rates and actual income tax expense recorded [Abstract]
Federal income tax expense (benefit) at the statutory rate	$ (22,072)	$ 1,958	$ 17,314
State income taxes, net	(1,084)	332	1,811
Uncertain tax position	(743)	128	92
Other	654	474	590
Job credits	(1,921)	(1,077)	(1,188)
Total income tax expense (benefit)	$ (25,166)	$ 1,815	$ 18,619