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PROVISIONS - Future Disbursements (Details) - Dec. 31, 2023 $ in Millions, $ in Millions | CAD ($) | USD ($)
--- | --- | ---
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | $ 375.7 | $ 108.8
Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 375.7 |
Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 108.8
2024 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 2.8 |
2024 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 3.4
2025 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 29.7 |
2025 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 8.0
2026 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 16.2 |
2026 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 0.6
2027 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 12.6 |
2027 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 3.9
2028 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 2.8 |
2028 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 19.5
2029 onwards | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | $ 311.6 |
2029 onwards | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | $ 73.4

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