Quarterly Results (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Feb. 03, 2018	[1],[2]	Oct. 28, 2017		Jul. 29, 2017		Apr. 29, 2017		Jan. 28, 2017	[3]	Oct. 29, 2016		Jul. 30, 2016		Apr. 30, 2016		Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 243,232		$ 287,469		$ 235,064		$ 253,389		$ 234,201		$ 274,524		$ 231,907		$ 260,470		$ 1,019,154	$ 1,001,102	$ 983,968
Gross profit	70,219		85,667		68,227		72,156		64,439		82,010		67,230		75,556		296,269	289,235	290,516
Operating income	170		17,880		6,424		13,227		(1,485)		15,452		6,660		17,285		37,701	37,912	46,633
Net income	$ (3,891)		$ 10,697		$ 3,896		$ 8,231		$ (920)		$ 9,672		$ 4,104		$ 10,661		$ 18,933	$ 23,517	$ 28,767
Net income per share - Basic	$ (0.24)	[4]	$ 0.66	[4]	$ 0.24	[4]	$ 0.48	[4]	$ (0.05)	[4]	$ 0.54	[4]	$ 0.22	[4]	$ 0.56	[4]	$ 1.15	$ 1.28	$ 1.45
Net income per share - Diluted	$ (0.24)	[4]	$ 0.66	[4]	$ 0.24	[4]	$ 0.48	[4]	$ (0.05)	[4]	$ 0.54	[4]	$ 0.22	[4]	$ 0.56	[4]	$ 1.15	$ 1.28	$ 1.45

[1] Our gross profit, operating income and net loss for the fourth quarter of fiscal 2017 were impacted by the following items recorded in such quarter: gain on insurance proceeds related to hurricane affected stores of $3.3 million, or $0.13 per diluted share, net of tax, non-cash impairment charges for underperforming stores of $3.4 million, or $0.13 per diluted share, net of tax, additional stock-based compensation expense resulting from the enactment of the Tax Act and its impact on the anticipated vesting of outstanding performance-based restricted stock of $1.9 million, or $0.08 per diluted share, net of tax, and additional income tax expense resulting from the enactment of the Tax Act and our remeasurement of deferred tax assets and liabilities of $4.4 million, or $0.27 per diluted share.

[2] The fourth quarter of fiscal 2017 consisted of 14 weeks compared with 13 weeks in the comparable prior year period.

[3] Our gross profit, operating income and net loss for the fourth quarter of fiscal 2016 were impacted by non-cash impairment charges related to certain underperforming stores in Puerto Rico of $3.6 million, or $0.12 per diluted share, net of tax, recorded in such quarter.

[4] Per share amounts are computed independently for each of the quarters presented. The sum of the quarters may not equal the total year due to the impact of changes in weighted shares outstanding and differing applications of earnings under the two-class method.