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PROVISIONS - Narrative (Details) $ in Millions, $ in Millions, XOF in Billions | Dec. 26, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 XOF | Dec. 31, 2023 CAD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 XOF | Dec. 31, 2022 CAD ($)
--- | --- | --- | --- | --- | --- | --- | ---
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Restricted cash |  | $ 90.5 |  |  | $ 56.3 |  |
Losses on litigation settlements | $ 15.0 |  |  |  |  |  |
Carrying value of forfeited inventory | $ 13.5 |  |  |  |  |  |
Letters of credit |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Long-term debt |  | 118.9 |  |  |  |  |
Doyon division including the Westwood mine1 |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Bonds outstanding to guarantee asset retirement obligations |  | 126.7 |  | $ 167.4 | 123.7 |  | $ 167.4
Côté Gold Project |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Bonds outstanding to guarantee asset retirement obligations |  | 25.8 |  | 34.0 | 35.8 |  | 48.4
Doyon and Côté Gold |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Bonds outstanding to guarantee asset retirement obligations |  | 152.5 |  | 201.4 | 159.5 |  | 215.8
Doyon and Côté Gold | Cash Collateral |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Bonds outstanding to guarantee asset retirement obligations |  | 11.0 |  |  | 10.9 |  |
Doyon and Côté Gold | Letters of credit |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Bonds outstanding to guarantee asset retirement obligations |  | 22.6 |  | $ 29.8 | 18.4 |  | $ 24.9
Essakane mine |  |  |  |  |  |  |
Disclosure of other provisions [line items] |  |  |  |  |  |  |
Restricted cash |  | $ 52.6 | XOF 31.2 |  | $ 45.3 | XOF 27.8 |

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