Debt Obligations Letter or Credit Agreement (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Debt Instrument [Line Items]
Letter of Credit Facility, Initiation Date	Aug. 02, 2013
Letter of Credit, Expiration Date	Aug. 02, 2018
Letter of Credit, Maximum Borrowing Capacity	$ 50.0
Collateral Requirement (Domestic)	103.00%
Letter of Credit Agreement, Cash Collateral Requirement (Foreign Currency)	105.00%
Letters of Credit Outstanding, Amount	$ 7.1	$ 9.3
Letters of credit outstanding, cash held on deposit	$ 7.7	$ 11.5