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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Earnings Per Share
Net income (loss)	$ 6,554	$ 8,304	$ 2,046	$ 8,615
Weighted-average shares outstanding:
Basic	42,536	42,217	42,406	42,125
Dilutive effect of common stock equivalents	51	273	51	281
Diluted	42,587	42,490	42,457	42,406
Basic Earnings per share	$ 0.15	$ 0.20	$ 0.05	$ 0.20
Diluted Earnings per share	$ 0.15	$ 0.20	$ 0.05	$ 0.20
Restricted stock units considered anti-dilutive and excluded in the calculation	175	321	222	321

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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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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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