Impairment of Long-Lived Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment charges	$ 570,000	$ 1,142,000	$ 1,431,000	$ 2,631,000
Remaining asset value of underperforming stores	1,000,000		1,000,000
Excess store fixtures		$ 1,000,000