Goodwill and Intangible Assets -Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 31, 2015	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Business Acquisition
Long-lived assets held and used, total losses		$ 11,120	$ 77,224	$ 46,070
GoJane
Business Acquisition
Long-lived assets held and used, total losses	$ 5,100
Amortization of intangible assets		$ 700	$ 800	$ 800
Acquired finite-lived intangible assets, weighted average useful life		6 years
Customer relationships | GoJane
Business Acquisition
Intangible asset, estimated useful life		7 years
E-commerce software platform | GoJane
Business Acquisition
Intangible asset, estimated useful life		3 years