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Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Earnings Per Share [Abstract]
Net income	$ 27,771	$ 13,784	$ 21,750
Weighted-average shares of common stock outstanding:
Basic	41,966	39,961	33,170
Dilutive effect of common stock equivalents	368	180	15
Diluted	42,334	40,141	33,185
Basic earnings per share	$ 0.66	$ 0.34	$ 0.66
Diluted earnings per share	$ 0.66	$ 0.34	$ 0.66

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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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