v2.4.0.8
Basic and diluted earnings (loss) per share (Tables)
 6 Months Ended
Jun. 30, 2013
Basic and diluted earnings (loss) per share  
Schedule of diluted net income and potentially dilutive shares utilized in the per share calculation

 

 
   Three months ended
June 30,		   Six months ended
June 30,		  
 
   2013   2012   2013   2012  

Numerator:

                          

Income (loss) from continuing operations attributable to Atlantic Power Corporation

   $ (2.3 ) $ (24.4 ) $ 3.3   $ (78.3 )

Income (loss) from discontinued operations, net of tax

     (0.7 )   19.3     0.2     30.9  
                   

Net income (loss) attributable to Atlantic Power Corporation

   $ (3.0 ) $ (5.1 ) $ 3.5   $ (47.4 )

Denominator:

                          

Weighted average basic shares outstanding

     119.9     113.7     119.7     113.6  

Dilutive potential shares:

                          

Convertible debentures

     27.7     13.3     27.7     13.3  

LTIP notional units

     0.8     0.5     0.6     0.5  
                   

Potentially dilutive shares

     148.4     127.5     148.0     127.4  
                   

Diluted earnings (loss) per share from continuing operations attributable to Atlantic Power Corporation

   $ (0.02 ) $ (0.21 ) $ 0.03   $ (0.69 )

Diluted earnings (loss) per share from discontinued operations

     (0.01 )   0.17     0.00     0.27  
                   

Diluted earnings (loss) per share attributable to Atlantic Power Corporation

   $ (0.03 ) $ (0.04 ) $ 0.03   $ (0.42 )