Impairment of Long-Lived Assets - Details of Long-Lived Assets Tested and Impaired (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Nov. 02, 2013 Store	Oct. 27, 2012 Store
Goodwill and Intangible Assets Disclosure [Abstract]
Carrying value of assets tested for impairment	$ 3,803	$ 6,726
Carrying value of assets with impairment	822	1,023
Fair value of assets impaired	$ 222	$ 490
Number of stores tested for impairment	57	101
Number of stores with impairment	8	17