Goodwill and Intangible Assets - Summary of Impairment Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Aug. 01, 2015	May. 02, 2015	Aug. 01, 2015	Jan. 31, 2015
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill		$ 340,900
Long-lived assets			$ 3,204
Impairment losses	$ 1,047		534,409
J.Crew Reporting Units
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill			340,900
J.Crew Trade Name
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill			340,900	$ 562,000
Impairment losses, intangible		$ 190,305	$ 190,305	$ 145,000