Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Income Statement [Abstract]
Net revenues	$ 455,456	$ 422,445
Cost of goods sold	327,981	279,027
Gross profit	127,475	143,418
Selling, general and administrative expenses	138,950	126,389
Income (loss) from operations	(11,475)	17,029
Interest expense—net	10,528	5,649
Income (loss) before income taxes	(22,003)	11,380
Income tax expense (benefit)	(8,533)	4,224
Net income (loss)	$ (13,470)	$ 7,156
Weighted-average shares used in computing basic net income (loss) per share	40,588,081	39,913,946
Basic net income (loss) per share	$ (0.33)	$ 0.18
Weighted-average shares used in computing diluted net income (loss) per share	40,588,081	41,959,718
Diluted net income (loss) per share	$ (0.33)	$ 0.17