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Note 5. Earnings Per Common Share
6 Months Ended
Jun. 30, 2011
Earnings Per Share [Text Block]
Note 5.    Earnings Per Common Share

We are authorized to issue 500,000,000 shares of common stock, $0.25 par value per share, of which 279,512,363 shares were issued and outstanding at June 30, 2011.

The following table reconciles weighted average common shares used in the computations of basic and diluted earnings per share for the three-month and six-month periods ended June 30, 2011 and 2010 (thousands, except per-share amounts):

   
Three Months Ended
June 30,
   
Six Months Ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
Numerator
                   
 
 
Net income
  $ 33,317     $ 17,084     $ 76,674     $ 38,928  
Preferred stock dividends
    (138 )     (3,409 )     (276 )     (6,817 )
Net income applicable to common shares for basic and diluted earnings per share
  $ 33,179     $ 13,675     $ 76,398     $ 32,111  
                                 
Denominator
                               
Basic weighted average common shares
    279,347       248,549       278,901       245,371  
Dilutive stock options and restricted stock
    16,409       17,825       17,119       18,497  
Diluted weighted average common shares
    295,756       266,374       296,020       263,868  
                                 
Basic earnings per common share
                               
Net income applicable to common shares
  $ 0.12     $ 0.06     $ 0.27     $ 0.13  
                                 
Diluted earnings per common share
                               
Net income applicable to common shares
  $ 0.11     $ 0.05     $ 0.26     $ 0.12  

Diluted income per share for the three and six months ended June 30, 2011 and 2010 exclude the potential effects of outstanding shares of our convertible preferred stock, as their conversion and exercise would have no effect on the calculation of dilutive shares.

Options to purchase 552,388 and 333,388 shares of our common stock were excluded from the computation of diluted earnings per share for the three-month and six-month periods ended June 30, 2011, respectively.  For the three-month and six-month periods ended June 30, 2010, options to purchase 876,240 shares of our common stock were excluded from the computation of diluted earnings per share.  The exercise price of the options not included in the computations of diluted earnings per share exceeded the average price of our stock during those periods and therefore would not affect the calculation of earnings per share.