Impairment Charges (Summary Of Impairment Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended							3 Months Ended	12 Months Ended
	Jan. 30, 2010	Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010	Jan. 28, 2012 Impairment Of Long-Lived Assets Related To Underperforming Stores [Member]	Jan. 29, 2011 Impairment Of Long-Lived Assets Related To Underperforming Stores [Member]	Jan. 30, 2010 Impairment Of Long-Lived Assets Related To Underperforming Stores [Member]	Jan. 30, 2010 Impairment Of Software Development Costs [Member]	Aug. 01, 2009 Impairment Of Note Receivable [Member]	Jan. 30, 2010 Impairment Of Note Receivable [Member]
Property, Plant and Equipment [Line Items]
Pre-tax impairment charges	$ 2,000	$ 2,073	$ 1,868	$ 15,026	$ 2,073	$ 1,868	$ 1,134	$ 8,058	$ 25,800	$ 5,834