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Earnings Per Share
3 Months Ended
Apr. 30, 2011
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
4.   EARNINGS PER SHARE
Basic earnings per share (“EPS”) is calculated by dividing net income by the weighted average number of common shares outstanding for the period. Diluted EPS is calculated by dividing net income by the diluted weighted average common shares, which reflects the potential dilution of common stock equivalents. The weighted average shares used to calculate basic and diluted EPS are as follows:
                 
    Three Months Ended  
    May 1, 2010     April 30, 2011  
    (In thousands)  
 
               
Weighted average shares outstanding for basic EPS
    27,527       27,622  
 
               
Dilutive effect of common stock equivalents
    291       306  
 
           
 
               
Weighted average shares outstanding for diluted EPS
    27,818       27,928  
 
           
We use the treasury method for calculating the dilutive effect of common stock equivalents. For the quarters ended May 1, 2010 and April 30, 2011, there were no anti-dilutive common stock equivalents.
On June 17, 2010, our Board of Directors declared a stock split in the form of a 50% stock dividend which was distributed on August 18, 2010 to stockholders of record as of July 30, 2010. All share and per share amounts of common shares included in this Quarterly Report on Form 10-Q have been adjusted to reflect this stock dividend.