Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Basic EPS:
Net income (loss)	$ (8,858)	$ (11,306)	$ 2,386	$ (1,754)
Less: Allocation of earnings to participating securities			(30)
Net income (loss) allocated to common shares	(8,858)	(11,306)	2,356	(1,754)
Basic weighted average shares outstanding (in shares)	31,558	31,139	31,035	33,885
Basic EPS (in dollars per share)	$ (0.28)	$ (0.36)	$ 0.08	$ (0.05)
Diluted EPS:
Net income (loss)	(8,858)	(11,306)	2,386	(1,754)
Less: Allocation of earnings to participating securities			(30)
Net income (loss) allocated to common shares	$ (8,858)	$ (11,306)	$ 2,356	$ (1,754)
Basic weighted average shares outstanding (in shares)	31,558	31,139	31,035	33,885
Add: Dilutive effect of stock awards			266
Diluted weighted average shares outstanding (in shares)	31,558	31,139	31,301	33,885
Diluted EPS (in dollars per share)	$ (0.28)	$ (0.36)	$ 0.08	$ (0.05)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive stock options and SARs outstanding (in shares)	247	2,994	956	1,800