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Earnings Per Share
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Earnings Per Share

7. Earnings Per Share

The following is a reconciliation of the basic and diluted earnings per share computation:

 

     Three Months Ended
September 30,		      Nine Months Ended
September 30,		  
     2013      2012      2013      2012  
     (shares in thousands)      (shares in thousands)  

Net income

    $ 14,965       $ 4,533       $ 35,061       $ 5,777   
  

 

 

     

 

 

     

 

 

     

 

 

  

Shares of common stock and common stock equivalents:

            

Weighted averages shares used in basic computation

      126,509         123,214         125,909         121,445   

Dilutive effect of stock options and unvested restricted stock

      13,588         15,244         13,896         16,433   
  

 

 

     

 

 

     

 

 

     

 

 

  

Weighted averages shares used in dilutive computation

      140,097         138,458         139,805         137,878   
  

 

 

     

 

 

     

 

 

     

 

 

  

Basic earnings per share

    $ 0.12       $ 0.04       $ 0.28       $ 0.05   

Dilutive earnings per share

    $ 0.11       $ 0.03       $ 0.25       $ 0.04   

Diluted earnings per share reflects the potential reduction in earnings per share that could occur if options or other contracts to issue common stock were exercised or converted into common stock. Options and restricted shares to purchase shares of common stock were included in the calculation of dilutive earnings per share for the three and nine months ending September 30, 2013 and 2012.