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Other (Loss) Gain (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Gain (Loss) [Abstract] |
Schedule of Other Nonoperating Income (Expense) |
| For the years ended
| December 31, 2023 | December 31, 2022
Unrealized loss on non-hedging derivatives | ($0.9) |  | ($0.3) |
Reduction of obligation to renounce flow-through exploration expenditures | 0.7 |  | 2.7 |
Turkish projects care and maintenance and arbitration costs | (2.9) |  | (5.0) |
Fair value adjustment for sale of silver stream | — |  | 2.6 |
Fair value adjustment for Milestone Payments (note 18) | (13.4) |  | (1.1) |
Revision to reclamation for closed sites | (3.3) |  | — |
Care and maintenance costs related to the El Chanate mine | (0.6) |  | (1.0) |
Loss on disposal of assets | (1.9) |  | (0.7) |
Other | (1.5) |  | (2.3) |
| ($23.8) |  | ($5.1) |

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