Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Accounting Policies [Abstract]
Cash and cash equivalents	$ 48,254	$ 62,944	$ 48,254	$ 62,944	$ 68,814	$ 61,376
Credit and debit card receivables	5,400	4,900	5,400	4,900
Impairment charges	3,400	3,600	5,100	4,500
Self-insurance reserves	3,565	$ 3,411	3,565	3,411
Advertising expenses			40,100	42,900	42,100
Income tax expense	$ 4,400		$ 18,480	$ 14,232	$ 17,737
Effective income tax rate			33.70%	35.00%	35.00%
Cumulative effect on retained earnings from adoption of Accounting Standards Update No. 2016-09			$ 188