v2.4.0.6

Convertible debentures (Tables) | 12 Months Ended
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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 |
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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 |

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- Definition Tabular disclosure of outstanding convertible debentures which includes principal amount converted to equity and issuance of convertible debentures. + References No definition available. + Details
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