Distribution Facility Expansion (Details) (USD $) In Millions, unless otherwise specified		3 Months Ended	6 Months Ended	12 Months Ended
	Aug. 02, 2014 sqft	May 02, 2015 Scenario, Forecast [Member]	Aug. 01, 2015 Scenario, Forecast [Member]	Jan. 31, 2015 Scenario, Forecast [Member]
Future Distribution Facility Expansion [Line Items]
Current Facility Square Footage	260,000
Expanded Facility Square Footage	600,000
Expected Significant Asset Acquisition			$ 25
Estimated Construction Costs, Remainder of Fiscal Year				18
Property, Plant and Equipment, Additions		$ 7