QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018	Oct. 28, 2017	Jul. 29, 2017	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]
Net sales	$ 305,964	$ 216,888	$ 211,123	$ 274,707	$ 266,738	$ 237,834	$ 187,958	$ 275,688	$ 1,008,682	$ 968,219	$ 972,960
Gross margin	95,099	70,512	66,351	96,773	83,977	76,113	54,408	98,218	328,735	312,717	338,596
Operating income (loss)	8,963	1,842	(1,885)	28,621	15,884	11,787	(5,162)	34,168	37,541	56,678	96,764
Net income (loss)	$ 6,634	$ 1,499	$ (1,222)	$ 21,509	$ 9,733	$ 7,564	$ (3,176)	$ 20,910	$ 28,421	$ 35,030	$ 61,075
Basic earnings (loss) per share (in dollars per share)	$ 0.36	$ 0.08	$ (0.06)	$ 1.13	$ 0.51	$ 0.37	$ (0.15)	$ 0.98	$ 1.52	$ 1.72	$ 2.75
Diluted earnings (loss) per share (in dollars per share)	$ 0.36	$ 0.08	$ (0.06)	$ 1.12	$ 0.51	$ 0.37	$ (0.15)	$ 0.97	$ 1.51	$ 1.71	$ 2.72