Stock-Based Compensation (Details 3) (Stock based compensation, USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jul. 28, 2012		Jul. 30, 2011		Jul. 28, 2012		Jul. 30, 2011
Stock based compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense before the recognized income tax benefit	$ 0		$ 8		$ 0		$ 17
Income tax benefit (1)	$ 0	[1]	$ 3	[1]	$ 0	[1]	$ 6	[1]

[1] Income tax benefit was calculated using an adjusted effective tax rate. The adjusted rate removes the tax effects from the favorable resolution of certain tax positions.