Impairment of Long-Lived Assets - Additional Information (Detail) (USD $)	3 Months Ended			12 Months Ended
	Jan. 31, 2015	Nov. 01, 2014	Feb. 01, 2014	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Property, Plant and Equipment [Line Items]
Impairment charges	$ 204,000		$ 1,173,000	$ 2,244,000	$ 3,204,000	$ 5,341,000
Fair value of assets impaired				87,000	327,000
Impairment charge	0		5,000	0	14,000	167,000
Accrued software maintenance costs		400,000
Internal Use Software [Member]
Property, Plant and Equipment [Line Items]
Impairment charge		$ 1,100,000