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EARNINGS PER SHARE
3 Months Ended
Jun. 30, 2012
EARNINGS PER SHARE [Abstract]  
EARNINGS PER SHARE
10.  EARNINGS PER SHARE
 
Basic earnings per share is calculated by dividing net earnings available to common shareholders by the basic weighted average number of shares of common stock outstanding during each period. Diluted earnings per share is calculated by dividing net earnings available to common shareholders by the basic weighted average number of shares of common stock outstanding plus incremental shares issuable upon the assumed exercise of "in-the-money" stock options and other common stock equivalents during each period.
 
The following table provides a reconciliation of the numerators and denominators used to calculate basic and diluted net earnings per common share as disclosed on our unaudited condensed consolidated statements of operations for the three months ended June 30, 2012 and June 30, 2011 (in thousands, except per share data).

   
Three months ended June 30,
 
   
2012
  
2011
 
Net earnings available to common shareholders-basic and diluted
 $8,062  $3,703 
          
Weighted average shares outstanding - basic
  7,721   8,307 
Effect of dilutive shares
  177   182 
Weighted average shares outstanding - diluted
 $7,898  $8,489 
          
Earnings per common share:
        
Basic
 $1.04  $0.45 
Diluted
 $1.02  $0.44 

All unexercised stock options were included in the computations of diluted earnings per share for the three months ended June 30, 2012 and 2011.