Impairment of Long-Lived Assets - Details of Long-Lived Assets Tested and Impaired (Detail) $ in Thousands	9 Months Ended
	Oct. 31, 2015 USD ($) Store	Nov. 01, 2014 USD ($) Store
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying value of assets tested for impairment	$ 1,005	$ 1,466
Carrying value of assets with impairment	564	558
Fair value of assets impaired	$ 186	$ 181
Number of stores tested for impairment | Store	38	48
Number of stores with impairment | Store	8	12