CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 968,219	$ 972,960	$ 943,104
Cost of goods sold	655,502	634,364	610,389
Gross margin	312,717	338,596	332,715
Store operating, selling and administrative expenses	231,832	222,785	203,673
Depreciation and amortization	24,207	19,047	17,038
Operating income	56,678	96,764	112,004
Interest income	39	24	31
Interest expense	(270)	(292)	(323)
Interest expense, net	(231)	(268)	(292)
Income before provision for income taxes	56,447	96,496	111,712
Provision for income taxes	21,417	35,421	41,184
Net income	$ 35,030	$ 61,075	$ 70,528
Basic earnings per share (in dollars per share)	$ 1.72	$ 2.75	$ 2.95
Diluted earnings per share (in dollars per share)	$ 1.71	$ 2.72	$ 2.92
Weighted average shares outstanding:
Basic (in shares)	20,347	22,240	23,947
Diluted (in shares)	20,450	22,427	24,129