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IMPAIRMENT (REVERSAL) CHARGE - Inventories (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Impairment charges |  |  |
Impairment (reversal) charge |  | $ (74.1) | $ 38.9
Inventories |  |  | 38.9
Fort Knox |  |  |
Impairment charges |  |  |
Inventories |  |  | 38.9
Impairment impact on tax recovery |  |  | $ 3.1
Round Mountain |  |  |
Impairment charges |  |  |
Impairment (reversal) charge | $ (74.1) |  |

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- Details
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