Summary of Significant Accounting Policies and Practices (Details 3)	12 Months Ended
	Jan. 28, 2012 year
Minimum [Member]
Depreciation and Amortization
Useful life (in years)	4
Maximum [Member]
Depreciation and Amortization
Useful life (in years)	20
Building and building improvements including properties under capital lease
Depreciation and Amortization
Property, Plant and Equipment, Useful Life, Minimum (in years)	10
Property, Plant and Equipment, Useful Life, Maximum (in years)	33
Land improvements
Depreciation and Amortization
Property, Plant and Equipment, Useful Life, Average (in years)	5
Furniture, fixtures and equipment
Depreciation and Amortization
Property, Plant and Equipment, Useful Life, Minimum (in years)	2
Property, Plant and Equipment, Useful Life, Maximum (in years)	10