Goodwill and Intangible Assets - Significant Components of Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 01, 2015	May. 02, 2015	Aug. 01, 2015	Aug. 02, 2014	Jan. 31, 2015
Intangible Assets Goodwill [Line Items]
Beginning balance		$ 836,608	$ 836,608
Amortization expense			(7,759)	$ (7,789)
Ending balance	$ 638,544		638,544		$ 836,608
Goodwill, Beginning balance	783,815	1,124,715	1,124,715
Impairment losses		(340,900)
Goodwill, Ending balance	783,815	783,815	783,815		1,124,715
Loyalty Program And Customer Lists
Intangible Assets Goodwill [Line Items]
Beginning balance	4,333	5,633	5,633
Amortization expense	(1,300)	(1,300)
Ending balance	3,033	4,333	3,033		5,633
Total accumulated amortization	(23,977)		(23,977)
Favorable Lease Commitments
Intangible Assets Goodwill [Line Items]
Beginning balance	18,569	20,009	20,009
Amortization expense	(1,439)	(1,440)
Ending balance	17,130	18,569	17,130		20,009
Total accumulated amortization	(43,880)		(43,880)
Madewell Trade Name
Intangible Assets Goodwill [Line Items]
Beginning balance	64,917	65,942	65,942
Amortization expense	(1,025)	(1,025)
Ending balance	63,892	64,917	63,892		65,942
Total accumulated amortization	(18,108)		(18,108)
Key Money
Intangible Assets Goodwill [Line Items]
Beginning balance	4,609	4,724	4,724
Amortization expense	(115)	(115)
Ending balance	4,494	4,609	4,494		4,724
Total accumulated amortization	(323)		(323)
J.Crew Trade Name
Intangible Assets Goodwill [Line Items]
Beginning balance	549,995	740,300	740,300
Impairment losses, intangible		(190,305)	(190,305)		(145,000)
Ending balance	$ 549,995	$ 549,995	549,995		740,300
Impairment losses			$ (340,900)		$ (562,000)