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Noncontrolling Interests
12 Months Ended
Dec. 31, 2011
Noncontrolling Interests [Abstract]  
Noncontrolling Interests

16. Noncontrolling Interests

The following table summarizes the effect of changes in our ownership interest in subsidiaries on the equity attributable to common shareholders for each of the years ended December 31:

 

September 30, September 30, September 30,
       2011        2010        2009  

Net income (loss) attributable to common shareholders

     $ 49,379         $ 23,216         $ (50,800

Transfers from the noncontrolling interests:

              

Increase in equity for conversion of operating partnership units

       592           3,528           3,761   

Increase in equity from purchase of noncontrolling interests

       —             —             647   
    

 

 

      

 

 

      

 

 

 

Change in common equity and net transfers from noncontrolling interests

     $ 49,971         $ 26,744         $ (46,392