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NET INCOME (LOSS) PER COMMON SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Basic and diluted net income per common share
Net income	$ 44,166	$ 38,495	$ 68,140	$ 40,411
Basic weighted average common shares (in shares)	18,342	20,297	18,785	20,628
Dilutive effect of stock awards (in shares)	361	220	354	250
Diluted weighted average common shares (in shares)	18,703	20,517	19,139	20,878
Antidilutive stock awards (in shares)	0	1	1	1

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- Definition

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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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