Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Consolidated Statements of Operations [Abstract]
Net sales	$ 1,008,682	$ 968,219	$ 972,960
Cost of goods sold	679,947	655,502	634,364
Gross margin	328,735	312,717	338,596
Store operating, selling and administrative expenses	264,142	231,832	222,785
Depreciation and amortization	27,052	24,207	19,047
Operating income	37,541	56,678	96,764
Interest income	731	39	24
Interest expense	(714)	(270)	(292)
Interest income (expense), net	17	(231)	(268)
Income before provision for income taxes	37,558	56,447	96,496
Provision for income taxes	9,137	21,417	35,421
Net income	$ 28,421	$ 35,030	$ 61,075
Basic earnings per share (in dollars per share)	$ 1.52	$ 1.72	$ 2.75
Diluted earnings per share (in dollars per share)	$ 1.51	$ 1.71	$ 2.72
Weighted average shares outstanding:
Basic (in shares)	18,644	20,347	22,240
Diluted (in shares)	18,826	20,450	22,427