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Capital Stock (Tables)
 6 Months Ended
Jun. 30, 2013
Capital Stock

 

 

Six Months
Ended
June 30,
2013

 

  

Year
Ended
December 31,
2012

 

Beginning balance

  162,514,098

 

 

  161,131,547

 

Stock options/SARs exercised

  235,369

 

 

  926,425

 

Restricted stock granted

  401,122

 

 

  354,674

 

Restricted stock units vested

  117,009

 

 

  57,824

 

Treasury shares issued

  26,497

 

 

  43,628

 

Ending balance

  163,294,095

 

 

  162,514,098