NET INCOME (LOSS) PER COMMON SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Basic and diluted net income per common share
Net income	$ 44,077	$ 44,166	$ 94,596	$ 68,140
Basic weighted average common shares (in shares)	17,617	18,342	17,645	18,785
Dilutive effect of stock awards (in shares)	473	361	578	354
Diluted weighted average common shares (in shares)	18,090	18,703	18,223	19,139
Antidilutive stock awards (in shares)	0	0	0	1