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Financial risk management - Liquidity risk (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
DEBT COMMITMENTS |  |
Trade and other payables | $ 196.1 | $ 229.0
Long-term debt | 397.0 | 396.0
Interest payable on long-term debt | 90.0 | 120.0
Total debt commitments | 886.9 | 1,578.0
New Afton |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 0.0 | 659.0
Rainy River gold stream obligation |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 257.5 | 217.0
Accounts Payable excluding current portion of Gold Stream Obligation |  |
DEBT COMMITMENTS |  |
Trade and other payables | 139.4 | 182.0
Principle of Long Term Debt |  |
DEBT COMMITMENTS |  |
Long-term debt | 400.0 | $ 400.0
Less than 1 year |  |
DEBT COMMITMENTS |  |
Trade and other payables | 139.4 |
Long-term debt | 0.0 |
Interest payable on long-term debt | 30.0 |
Total debt commitments | 213.4 |
Less than 1 year | New Afton |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 0.0 |
Less than 1 year | Rainy River gold stream obligation |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 44.0 |
Between 1 and 3 years |  |
DEBT COMMITMENTS |  |
Trade and other payables | 0.0 |
Long-term debt | 400.0 |
Interest payable on long-term debt | 60.0 |
Total debt commitments | 549.0 |
Between 1 and 3 years | New Afton |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 0.0 |
Between 1 and 3 years | Rainy River gold stream obligation |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 89.0 |
4-5 years |  |
DEBT COMMITMENTS |  |
Trade and other payables | 0.0 |
Long-term debt | 0.0 |
Interest payable on long-term debt | 0.0 |
Total debt commitments | 54.6 |
4-5 years | New Afton |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 0.0 |
4-5 years | Rainy River gold stream obligation |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 54.6 |
After 5 years |  |
DEBT COMMITMENTS |  |
Trade and other payables | 0.0 |
Long-term debt | 0.0 |
Interest payable on long-term debt | 0.0 |
Total debt commitments | 69.9 |
After 5 years | New Afton |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | 0.0 |
After 5 years | Rainy River gold stream obligation |  |
DEBT COMMITMENTS |  |
Non-current financial liabilities | $ 69.9 |

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