Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Apr. 28, 2012	Apr. 30, 2011
Condensed Consolidated Statements Of Operations [Abstract]
Net sales	$ 147,945	$ 156,040
Cost of sales	104,342	102,595
Gross margin	43,603	53,445
Selling, general, and administrative expenses	40,438	39,860
Asset impairment	3,606	259
Operating (loss) income	(441)	13,326
Interest income	38	72
Interest expense	(48)	(43)
Interest (expense) income, net	(10)	29
(Loss) income before (benefit) provision for income taxes	(451)	13,355
(Benefit) provision for income taxes	(178)	5,342
Net (loss) income	$ (273)	$ 8,013
Net (loss) income per share, basic	$ 0.00	$ 0.08
Net (loss) income per share, diluted	$ 0.00	$ 0.08
Weighted-average shares outstanding, basic	88,486,977	98,916,747
Weighted-average shares outstanding, diluted	88,486,977	98,975,965