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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Earnings Per Share
Net income	$ 9,808	$ 10,514	$ 11,855	$ 19,129
Weighted-average shares of common stock outstanding:
Basic	42,576	42,245	42,464	42,165
Dilutive effect of common stock equivalents	35	313	37	300
Diluted	42,611	42,558	42,501	42,465
Basic Earnings per share	$ 0.23	$ 0.25	$ 0.28	$ 0.45
Diluted Earnings per share	$ 0.23	$ 0.25	$ 0.28	$ 0.45
Restricted stock units considered anti-dilutive and excluded in the calculation	222		233

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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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