Stock-Based Compensation (Details 1) (Stock Options, 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 Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value (1)	$ 751	[1]	$ 307	[1]	$ 1,390	[1]	$ 365	[1]
Total cash received	515		297		1,542		348
Associated excess income tax benefits recorded	$ 80		$ 117		$ 433		$ 139

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