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RESTRICTED CASH (Details) € in Millions, $ in Millions, $ in Millions, XOF in Billions | Dec. 31, 2024 USD ($) | Dec. 31, 2024 CAD ($) | Dec. 31, 2024 EUR (€) | Dec. 31, 2024 XOF | Dec. 31, 2023 USD ($) | Dec. 31, 2023 CAD ($) | Dec. 31, 2023 EUR (€) | Dec. 31, 2023 XOF
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Schedule Of Fair Value, Off-balance Sheet Risks1 [Line Items] |  |  |  |  |  |  |  |
Non-current restricted cash | $ 68.4 |  |  |  | $ 90.5 |  |  |
Payments made to minority interest shareholders of EURO | 23.7 |  | € 21.9 |  |  |  |  |
Essakane mine |  |  |  |  |  |  |  |
Schedule Of Fair Value, Off-balance Sheet Risks1 [Line Items] |  |  |  |  |  |  |  |
Non-current restricted cash | 54.6 |  |  | XOF 34.6 | 52.6 |  |  | XOF 31.2
Westwood division and Côté Gold |  |  |  |  |  |  |  |
Schedule Of Fair Value, Off-balance Sheet Risks1 [Line Items] |  |  |  |  |  |  |  |
Security for the purchase of shares held by the minority interest shareholders of EURO | 11.0 |  |  |  | 11.4 |  |  |
Westwood division |  |  |  |  |  |  |  |
Schedule Of Fair Value, Off-balance Sheet Risks1 [Line Items] |  |  |  |  |  |  |  |
Security for the purchase of shares held by the minority interest shareholders of EURO | $ 2.8 | $ 4.1 |  |  | 2.3 | $ 3.0 |  |
Euro Ressources S.A. |  |  |  |  |  |  |  |
Schedule Of Fair Value, Off-balance Sheet Risks1 [Line Items] |  |  |  |  |  |  |  |
Security for the purchase of shares held by the minority interest shareholders of EURO |  |  |  |  | $ 24.2 |  | € 21.9 |

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