Summary of Significant Accounting Policies (Depreciation Estimated Useful Lives) (Details)	12 Months Ended
	Jan. 29, 2012 Y
Leasehold Improvements [Member]
Property Plant and Equipment [Line Items]
Minimum useful life, in years	5
Maximum useful life, in years	45
Buildings [Member]
Property Plant and Equipment [Line Items]
Minimum useful life, in years	5
Maximum useful life, in years	45
Furniture, Fixtures and Equipment [Member]
Property Plant and Equipment [Line Items]
Minimum useful life, in years	2
Maximum useful life, in years	20