Impairment of Long-Lived Assets - Details of Long-Lived Assets Tested and Impaired (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013 Store	Jan. 28, 2012 Store
Impaired Long-Lived Assets Held and Used [Line Items]
Carrying value of assets tested for impairment	$ 6,612	$ 15,335
Carrying value of assets with impairment	1,673	3,059
Fair value of assets impaired	$ 405	$ 1,102
Number of stores tested for impairment	99	127
Number of stores with impairment	25	28