Goodwill and Intangible Assets - Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 30, 2016	Jan. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	$ 457	$ 457
Finite Lived, Accumulated Amortization	(422)	(408)
Finite Lived, Net Book Value	35	49
Goodwill, Gross Carrying Amount	176,056	124,461
Goodwill, Foreign Currency Translation	(76)	(160)
Goodwill, Net Book Value	175,980	124,301
Trademarks and Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite Lived, Gross Carrying Amount	100,466	48,309
Indefinite Lived, Foreign Currency Translation		0
Indefinite Lived, Net Book Value	100,466	48,309
Fair Market Write-Up [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	1,924	1,924
Finite Lived, Accumulated Amortization	(1,744)	(1,697)
Finite Lived, Net Book Value	180	227
Fair Market Write-Down [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	(1,467)	(1,467)
Finite Lived, Accumulated Amortization	1,322	1,289
Finite Lived, Net Book Value	$ (145)	$ (178)