Summary of Significant Accounting Policies (Estimated Useful Lives) (Details)	12 Months Ended
	Jan. 28, 2017
Buildings | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	50 years
Leasehold improvements | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	10 years
Furniture, Fixtures and Equipment | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	10 years
Furniture, Fixtures and Equipment | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	3 years
Software | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	7 years
Software | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets	2 years