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Segmented information - Segmented assets and liabilities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
SEGMENTED ASSETS AND LIABILITIES |  |
Capital expenditure | $ 265.9 | $ 292.9
Total assets | 2,286.0 | 2,243.5
Total liabilities | 1,496.8 | 1,284.0
Total capital expenditures | 265.9 | 292.9
Corporate |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 169.5 | 196.2
Liabilities | 431.7 | 425.5
Capital expenditure | 0.2 | 0.1
Rainy River |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 1,015.4 | 1,067.4
Liabilities | 357.1 | 340.1
Capital expenditure | 120.6 | 144.8
New Afton |  |
SEGMENTED ASSETS AND LIABILITIES |  |
Assets | 1,101.1 | 979.9
Liabilities | 708.0 | 518.4
Capital expenditure | $ 145.1 | $ 148.0

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