Goodwill and Intangible Assets - Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2016	Jan. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Finite Lived, Gross Carrying Amount	$ 457	$ 457
Finite Lived, Accumulated Amortization	(412)	(408)
Finite Lived, Net Book Value	45	49
Goodwill, Gross Carrying Amount	124,461	124,461
Goodwill, Foreign Currency Translation	(26)	(160)
Goodwill, Net Book Value	124,435	124,301
Trademarks and Domain Names [Member]
Finite-Lived Intangible Assets [Line Items]
Indefinite Lived, Gross Carrying Amount	48,366	48,309
Indefinite Lived, Foreign Currency Translation		0
Indefinite Lived, Net Book Value	48,366	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	(1,720)	(1,697)
Finite Lived, Net Book Value	204	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	1,308	1,289
Finite Lived, Net Book Value	$ (159)	$ (178)