v2.4.0.6
Convertible debentures (Tables)
12 Months Ended
Dec. 31, 2012
Convertible debentures  
Schedule of outstanding convertible debentures

 

 

(In thousands US$, except for share amounts)
  6.5%
Debentures
due
October 2014
  6.25%
Debentures
due
March 2017
  5.6%
Debentures
due
June 2017
  5.75%
Debentures
due
June 2019
  6.00%
Debentures
due
December 2019
  Total  

Balance at December 31, 2010

    56,104     83,575     80,937           $ 220,616  

Issuance of convertible debentures

                         

Principal amount converted to equity

    (10,862 )   (15,567 )               (26,429 )

Foreign exchange (loss)

    (1,139 )   (1,702 )   (1,783 )           (4,624 )
                           

Balance at December 31, 2011

  $ 44,103   $ 66,306   $ 79,154   $   $   $ 189,563  

Issuance of convertible debentures

                130,000     100,640     230,640  

Principal amount converted to equity

    (32 )                   (32 )

Foreign exchange (gain) loss

    978     1,470     1,757         (130 )   4,075  
                           

Balance at December 31, 2012

  $ 45,049   $ 67,776   $ 80,911   $ 130,000   $ 100,510   $ 424,246