XML 57 R40.htm IDEA: XBRL DOCUMENT v2.4.0.8
CAPITAL STOCK (Tables)
 12 Months Ended
Dec. 31, 2013
CAPITAL STOCK  
Schedule of number of shares of common stock and treasury stock and the share activity

  Common Shares
   Treasury Shares
  
 
   2013
   2012
   2013
   2012
  

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Balance at the beginning of the year

     84,086,341     82,773,322     18,158,002     16,921,022  

Employee option exercises

     1,217,583     1,234,163     (179,169 )   (379,453 )

Director option exercises

     48,333     69,833     —     —  

Restricted stock vestings

     12,046     9,023     —     —  

Common stock repurchases

     —     —     2,001,000     1,616,433  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Balance at the end of the year

     85,364,303     84,086,341     19,979,833     18,158,002  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​