Impairment of Long-Lived Assets (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Impairment Of Long-Lived Assets (Textual) [Abstract]
Impairment charged	$ 2,700,000	$ 5,800,000	$ 3,540,000	$ 5,785,000
Excess store fixtures	1,000,000
First half ended [Member]
Impairment of Long Lived Assets (Additional Textual) [Abstract]
Underperforming stores, remaining assets fair value	$ 8,000,000		$ 8,000,000