Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 30, 2011	Jul. 31, 2010	Jul. 30, 2011	Jul. 31, 2010	Jan. 29, 2011
Component of Operating Other Cost and Expense [Line Items]
Number of Stores	1,503		1,503
Number of Countries in which Entity Operates	2		2
Operating Cycle			52 or 53 weeks
Fiscal Period			P52W		P52W
Current Quarter Period	P13W
Current Quarter Year To Date Period			P26W
Distribution and Outbound Transportation Costs	$ 37.0	$ 35.9	$ 77.1	$ 77.4
Advertising Expense	$ 16.8	$ 16.6	$ 38.2	$ 38.0