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Earnings Per Share - Computation of Basic and Diluted Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2016	May. 02, 2015
Earnings Per Share [Abstract]
Net income (loss)	$ 311	$ (1,360)
Weighted-average shares of common stock outstanding:
Basic	42,032	41,851
Dilutive effect of common stock equivalents	302
Diluted	42,334	41,851
Basic earnings (loss) per share	$ 0.01	$ (0.03)
Diluted earnings (loss) per share	$ 0.01	$ (0.03)
Restricted stock units considered anti-dilutive and excluded in the calculation		4

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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