Quarterly Results (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Quarterly Financial Information Disclosure [Abstract]
Gain on insurance proceeds	$ 3,300
Adjustment of diluted share related to hurricance affected stores	$ 0.13
Non-cash impairment charges	$ 3,400	$ 3,600	$ 5,100	$ 4,500
Adjustment of diluted share related to non-cash impairment charges	$ 0.13	$ 0.12
Stock-based compensation expense	$ 1,900		5,017	3,822	$ 3,702
Adjustment of diluted share related to share based compensation	$ 0.08
Income tax expense	$ 4,400		$ 18,480	$ 14,232	$ 17,737
Adjustment of diluted share related to enactment of tax act	$ 0.27