EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Basic and diluted earnings per share [Abstract]
Net income, in thousands	$ 17,411	$ 18,677	$ 7,031	$ 27,408	$ 19,925	$ 16,890	$ 8,380	$ 28,388	$ 70,528	$ 73,584	$ 70,877
Weighted average number of common shares outstanding (in shares)									23,947,000	25,369,000	25,870,000
Weighted average number of common shares outstanding and dilutive shares (in shares)									24,129,000	25,620,000	26,266,000
Basic earnings per share (in dollars per share)	$ 0.76	$ 0.79	$ 0.29	$ 1.10	$ 0.80	$ 0.67	$ 0.33	$ 1.10	$ 2.95	$ 2.90	$ 2.74
Diluted earnings per share (in dollars per share)	$ 0.76	$ 0.79	$ 0.28	$ 1.09	$ 0.79	$ 0.67	$ 0.32	$ 1.09	$ 2.92	$ 2.87	$ 2.70
Stock Options [Member]
Basic and diluted earnings per share [Abstract]
Dilutive equity awards (in shares)									35,000	66,000	96,000
Antidilutive securities excluded from the computation of earnings per share (in shares)									120,206	677	0
Nonvested Stock Awards [Member]
Basic and diluted earnings per share [Abstract]
Dilutive equity awards (in shares)									147,000	185,000	300,000
Antidilutive securities excluded from the computation of earnings per share (in shares)									24,350
Incremental dilutive impact if performance criteria had been achieved (in shares)									14,555