Impairment of Long-Lived Assets - Details of Long-Lived Assets Tested and Impaired (Detail) $ in Thousands	6 Months Ended
	Aug. 01, 2015 USD ($) Store	Aug. 02, 2014 USD ($) Store
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying value of assets tested for impairment	$ 825	$ 2,341
Carrying value of assets with impairment	89	1,198
Fair value of assets impaired	$ 28	$ 318
Number of stores tested for impairment | Store	20	47
Number of stores with impairment | Store	4	17