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Non-current derivative financial liabilities (Tables) | 12 Months Ended
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Dec. 31, 2022
Financial Instruments [Abstract] |
Summary of the change in non-current derivative financial liabilities | The following is a summary of the change in non-current derivative financial liabilities:
(in millions of U.S. dollars) | Rainy River | New Afton | TOTAL
CHANGE IN NON-CURRENT DERIVATIVE FINANCIAL LIABILITIES |  |  |
Balance, December 31, 2020 | 217.9 |  | 436.1 |  | 654.0 |
Proceeds received | — |  | — |  | — |
Settlements during the period | (26.8) |  | (4.8) |  | (31.6) |
Fair value adjustments related to changes in the Company’s own credit risk(1) | (4.0) |  | (19.9) |  | (23.9) |
Other fair value adjustments(2) | 6.9 |  | 56.0 |  | 62.9 |
Balance, December 31, 2021 | 194.0 |  | 467.4 |  | 661.4 |
Less: current portion | (30.3) |  | (12.7) |  | (43.0) |
Non-current portion of derivative financial liabilities | 163.7 |  | 454.7 |  | 618.4 |
Balance, December 31, 2021 | 194.0 |  | 467.4 |  | 661.4 |
Settlements during the period(3) | (24.0) |  | (12.4) |  | (36.4) |
Fair value adjustments related to changes in the Company’s own credit risk(1) | (20.3) |  | (48.1) |  | (68.4) |
Other fair value adjustments(2) | 25.0 |  | (28.0) |  | (3.0) |
Balance, December 31, 2022 | 174.7 |  | 378.9 |  | 553.6 |
Less: current portion(4) | (28.1) |  | — |  | (28.1) |
Non-current portion of derivative financial liabilities | 146.6 |  | 378.9 |  | 525.5 |
1.Fair value adjustments related to changes in the Company’s own credit risk are included in other comprehensive income. 2.Other fair value adjustments are included in the consolidated income statements. 3.Settlements during the period are on an accrual basis. 4.The current portion of the derivative financial liabilities is included in trade and other payables on the statement of financial position.

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