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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		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Earnings Per Share [Abstract]
Net income	$ 8,304	$ 8,200	$ 8,615	$ 6,840
Weighted average shares outstanding:
Basic	42,217	42,004	42,125	41,927
Dilutive effect of common stock equivalents	273	332	281	315
Diluted	42,490	42,336	42,406	42,242
Basic earnings per share	$ 0.20	$ 0.20	$ 0.20	$ 0.16
Diluted earnings per share	$ 0.20	$ 0.19	$ 0.20	$ 0.16
Restricted stock units considered anti-dilutive and excluded in the calculation	321	22	321	22

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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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