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Business Organization And Significant Accounting Policies (Schedule Of Estimate Useful Lives Of Property And Equipment) (Details)
12 Months Ended
Jan. 28, 2012
years
Land Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life, minimum, years 15
Estimated useful life, maximum, years 35
Leasehold Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life, minimum, years 5
Estimated useful life, maximum, years 10
Building And Building Improvements [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life, minimum, years 20
Estimated useful life, maximum, years 35
Equipment, Furniture And Fixtures [Member]
 
Property, Plant and Equipment [Line Items]  
Estimated useful life, minimum, years 2
Estimated useful life, maximum, years 20