Impairment of Long-Lived Assets - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Schedule Of Asset Impairment Charges [Line Items]
Impairment charges	$ 1,268,000	$ 1,957,000	$ 5,341,000	$ 14,787,000	$ 15,611,000
Remaining asset value of underperforming stores	$ 5,000,000		$ 5,000,000