Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2016	Oct. 30, 2015	Oct. 28, 2016	Oct. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (7,718)	$ (18,528)	$ (31,396)	$ (57,482)
Foreign currency translation adjustments	(1,207)	(966)	(2,466)	(700)
Comprehensive loss	$ (8,925)	$ (19,494)	$ (33,862)	$ (58,182)