Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	May. 02, 2015	Aug. 01, 2015	Jan. 31, 2015
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill	$ 340,900
Goodwill	783,815	$ 783,815	$ 1,124,715
Intangible assets, net		638,544	836,608
J.Crew Trade Name
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill		340,900	562,000
Intangible asset impairment charge	190,305	190,305	145,000
Intangible assets, net	$ 549,995	549,995	$ 740,300
J.Crew Reporting Units
Intangible Assets Goodwill [Line Items]
Impairment losses, goodwill		340,900
Goodwill		676,000
Madewell Reporting Units
Intangible Assets Goodwill [Line Items]
Goodwill		$ 108,000