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PROVISIONS - Future Disbursements (Details) - Dec. 31, 2021 $ in Millions, $ in Millions | CAD ($) | USD ($)
--- | --- | ---
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | $ 302.2 | $ 206.0
Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 302.2 |
Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 206.0
2022 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 4.0 |
2022 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 3.3
2023 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 12.4 |
2023 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 3.3
2024 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 14.3 |
2024 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 0.0
2025 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 10.1 |
2025 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 0.0
2026 | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | 3.2 |
2026 | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | 0.2
2027 onwards | Doyon Mine and Other Canadian Sites |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required | $ 258.2 |
2027 onwards | Essakane and Rosebel Mines |  |
Disclosure of other provisions [line items] |  |
Undiscounted amounts required |  | $ 199.2

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