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Share Capital
9 Months Ended
Sep. 30, 2012
Stockholders' Equity Note [Abstract]  
Share Capital
SHARE CAPITAL
Changes in share capital during the nine months ended September 30, 2012, are as follows: 
 
Shares
 
Amount
Balance at December 31, 2011
258,669,487

 
$
693,899

Common shares issued:
 
 
 
Option exercises
138,334

 
234

Deferred share units exercised
29,010

 
39

     Unclaimed shares forfeited
(50,869
)
 

     Bonus shares and other
165,009

 
308

Balance at September 30, 2012
258,950,971

 
$
694,480



We held no treasury shares as of December 31, 2011, or at September 30, 2012.