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v3.24.1

Mining Interests (Details) $ in Millions |  | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 CAD ($) Point | Dec. 31, 2023 CAD ($) | Dec. 31, 2022 CAD ($) Point
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Amount of consideration |  | $ 150.0 |
Cash flow projections which had been 10% lower than management's estimates |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additional Impairment charge | $ 35.0 |  | $ 193.0
Long-term Gold Price per Ounce Applied Cash Flow Projections Ten Percent Lower Than Management Estimates [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additional Impairment charge |  | 18.2 |
Expected Number of contained Ounces of Gold Applied to the Cash Flow Projections Ten Percent Lower Than Management Estimates [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additional Impairment charge |  | $ 9.1 |
Long-term gold price per ounce applied to the cash flow projections (as a percent) |  | 10.00% |
Cash flow projections which had been 100 basis points higher than management's estimates |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Additional Impairment charge | $ 5.8 |  | $ 55.7
Minimum |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Long-term gold price per ounce applied to the cash flow projections (as a percent) | 10.00% |  | 10.00%
Minimum | Long-term Gold Price per Ounce Applied Cash Flow Projections Ten Percent Lower Than Management Estimates [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Long-term gold price per ounce applied to the cash flow projections (as a percent) |  | 10.00% |
Cariboo Gold Project |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Percentage of net smelter return royalty |  | 5.00% |
Impairment charge |  |  | $ 59.0
Net estimated recoverable amount |  |  | $ 435.7
Pre-tax real discount rate |  |  | 12.60%
Number of basis points higher than management estimates | Point |  |  | 100
San Antonio Properties |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Gold and silver stream (as a percent) |  | 15.00% |
Impairment charge | $ 81.0 |  |
Net estimated recoverable amount | $ 35.0 |  |
Pre-tax real discount rate | 19.90% |  |
Number of basis points higher than management estimates | Point | 100 |  |
Tintic Properties | Minimum |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Percentage of royalty on all refined metals stream |  | 2.00% |
Tintic Properties | Maximum |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Percentage of royalty on all refined metals stream |  | 2.50% |
Trixie Test Mining Properties |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Impairment charge |  | $ 160.5 |
Net estimated recoverable amount |  | $ 51.6 |
Pre-tax real discount rate |  | 10.40% |

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