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Nature Of Operations And Summary Of Significant Accounting Policies (Estimated Useful Life Of Land, Buildings And Equipment By Asset Category) (Details)
12 Months Ended
Jan. 28, 2012
Buildings And Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Minimum estimated useful life (in years) 5
Maximum estimated useful life (in years) 40
Store Fixtures And Equipment [Member]
 
Property, Plant and Equipment [Line Items]  
Minimum estimated useful life (in years) 3
Maximum estimated useful life (in years) 15
Leasehold Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life Shorter of initial lease term or asset life
Capitalized Software [Member]
 
Property, Plant and Equipment [Line Items]  
Minimum estimated useful life (in years) 3
Maximum estimated useful life (in years) 7