Impairment of Long-Lived Assets - Details of Long-Lived Assets Tested and Impaired (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Aug. 02, 2014 Store	Aug. 03, 2013 Store
Goodwill and Intangible Assets Disclosure [Abstract]
Long Lived Assets Impairment Charges	$ 1,663	$ 1,431
Carrying value of assets tested for impairment	2,341	2,650
Carrying value of assets with impairment	1,198	1,203
Fair value of assets impaired	$ 318	$ 633
Number of stores tested for impairment	47	60
Number of stores with impairment	17	12