NET INCOME (LOSS) PER COMMON SHARE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 28, 2012	Apr. 30, 2011
Basic and diluted net income per common share
Net income	$ 23,592	$ 29,084
Basic weighted average common shares (in shares)	24,535	26,120
Dilutive effect of stock awards (in shares)	156	267
Diluted weighted average common shares (in shares)	24,691	26,387
Antidilutive stock awards (in shares)	104	141

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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+ Details

- Definition

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

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+ Details

- Definition

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.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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