EARNING PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ 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
Numerator
Net earnings (loss)	$ 6,218	$ 13,875	$ 49,238	$ 13,909	$ (499)	$ 36,892	$ 58,471	$ 1,839	$ 83,240	$ 96,703	$ 24,956
Net earnings allocated to participating securities (restricted stock and deferred stock units) - basic											(28)
Net earnings allocated to participating securities (restricted stock and deferred stock units) - diluted											(28)
Net earnings - basic									83,240	96,703	24,928
Net earnings - diluted									$ 83,240	$ 96,703	$ 24,928
Denominator
Basic weighted-average common shares outstanding (in shares)									49,856	49,094	48,607
Dilutive effect of share-based awards (in shares)									869	374	179
Diluted weighted-average common shares outstanding (in shares)									50,725	49,468	48,786
Net earnings per common share:
Basic (in dollars per share)	$ 0.12	$ 0.28	$ 0.99	$ 0.28	$ (0.01)	$ 0.75	$ 1.19	$ 0.04	$ 1.67	$ 1.97	$ 0.51
Diluted (in dollars per share)	$ 0.12	$ 0.27	$ 0.97	$ 0.27	$ (0.01)	$ 0.75	$ 1.19	$ 0.04	$ 1.64	$ 1.95	$ 0.51