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Segmented information - Segmented assets and liabilities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
SEGMENTED ASSETS AND LIABILITIES |  |
Capital expenditure | $ 271.1 | $ 265.9
Total assets | 2,003.8 | 2,286.0
Total liabilities | 951.5 | 1,496.8
Total capital expenditures | 271.1 | 265.9
Other |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 94.8 | 169.5
Liabilities | 443.2 | 431.7
Capital expenditure | 0.1 | 0.2
Rainy River |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 985.9 | 1,015.4
Liabilities | 361.1 | 357.1
Capital expenditure | 131.1 | 120.6
New Afton |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 923.1 | 1,101.1
Liabilities | 147.1 | 708.0
Capital expenditure | $ 139.9 | $ 145.1

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