Distribution Facility Expansion (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2015 USD ($) ft²	Aug. 02, 2014 USD ($)	Aug. 01, 2015 USD ($) ft²	Aug. 02, 2014 USD ($)	Jan. 30, 2016 USD ($)
Future Distribution Facility Expansion [Line Items]
Current Facility Square Footage | ft²	262,000		262,000
Expanded Facility Square Footage | ft²	600,000		600,000
Buildings and Improvements, Gross	$ 21,000		$ 21,000
Distribution facility consolidation and technology upgrade costs	$ 972	$ 0	$ 972	$ 0
Scenario, Forecast [Member]
Future Distribution Facility Expansion [Line Items]
Expected Significant Asset Acquisition					$ 25,000
Estimated Construction Costs, Remainder of Fiscal Year					$ 4,000