Impairment of Store Assets (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Impairment of Store Assets, Goodwill and Trademarks [Abstract]
Number of Stores Identified as Impaired		157	89
Impairment of store assets	$ 0	$ 17,054	$ 15,741