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Earnings (Losses) Per Share
 12 Months Ended
Dec. 31, 2013
Earnings (Losses) Per Share  
Earnings (Losses) Per Share

Note 20 Earnings (Losses) Per Share

        A reconciliation of the numerators and denominators of the basic and diluted earnings (losses) per share computations is as follows:

 
   Year Ended December 31,  
 
   2013   2012   2011  
 
    
   Revised
   Revised
  
 
   (In thousands, except per share
amounts)
  

Net income (loss) (numerator):

                    

Income (loss) from continuing operations, net of tax

   $ 158,341   $ 232,974   $ 347,170  

Less: net (income) loss attributable noncontrolling interest

     (7,180 )   (621 )   (1,045 )

Less: net (income) loss allocated to unvested shareholders

     (1,277 )   —     —  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Adjusted income (loss) from continuing operations—basic and diluted

     149,884     232,353     346,125  

Income (loss) from discontinued operations, net of tax

     (11,179 )   (67,526 )   (97,601 )
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Adjusted net income (loss) attributable to Nabors

   $ 138,705   $ 164,827   $ 248,524  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Earnings (losses) per share:

                    

Basic from continuing operations

   $ 0.51   $ 0.80   $ 1.21  

Basic from discontinued operations

     (0.04 )   (0.23 )   (0.34 )
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total Basic

   $ 0.47   $ 0.57   $ 0.87  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Diluted from continuing operations

   $ 0.51   $ 0.79   $ 1.18  

Diluted from discontinued operations

     (0.04 )   (0.23 )   (0.33 )
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Total Diluted

   $ 0.47   $ 0.56   $ 0.85  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Shares (denominator):

                    

Weighted-average number of shares outstanding—basic

     294,182     289,965     287,118  

Net effect of dilutive stock options, warrants and restricted stock awards based on the if-converted method

     2,410     2,358     5,366  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Weighted-average number of shares outstanding—diluted

     296,592     292,323     292,484  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

        For all periods presented, the computation of diluted earnings (losses) per Nabors' share excludes outstanding stock options and warrants with exercise prices greater than the average market price of Nabors' common shares, because their inclusion would be anti-dilutive and because they are not considered participating securities. The average number of options and warrants that were excluded from diluted earnings (losses) per share that would potentially dilute earnings per share in the future was 11,642,417, 14,200,915 and 9,241,543 shares during 2013, 2012 and 2011, respectively. In any period during which the average market price of Nabors' common shares exceeds the exercise prices of these stock options and warrants, such stock options and warrants will be included in our diluted earnings (losses) per share computation using the if-converted method of accounting. Restricted stock is included in our basic and diluted earnings (losses) per share computation using the two-class method of accounting in all periods because such stock is considered participating securities.