Accounting Policies (Schedule of Computation of Earnings Per Share) (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 31, 2016	Nov. 01, 2015	Aug. 02, 2015	May. 03, 2015	Feb. 01, 2015	Nov. 02, 2014	Aug. 03, 2014	May. 04, 2014	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
Accounting Policies [Abstract]
Net income	$ 8,246	$ 7,568	$ 5,918	$ 10,666	$ 6,546	$ 8,106	$ 5,752	$ 9,656	$ 32,398	$ 30,060	$ 34,256
Basic earnings per share - weighted average shares outstanding									65,221	66,360	67,261
Diluted earnings per share - weighted average shares outstanding plus dilutive potential common shares									66,907	68,929	71,054
Stock Options [Member]
Effect of dilutive securities:
Share-based payment arrangement									1,435	2,037	2,998
Restricted Stock Units [Member]
Effect of dilutive securities:
Share-based payment arrangement									251	532	795