Stock Based Compensation (Schedule of Stock Options Exercised) (Details) - Equity Option [Member] - USD ($) $ in Thousands		3 Months Ended
		Apr. 29, 2017	Apr. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value	[1]	$ 57	$ 0
Total cash received		$ 26	$ 0

[1] Defined as the difference between the market value at exercise and the grant price of stock options exercised.