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INVENTORIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Subclassifications of assets, liabilities and equities [abstract] |
Disclosure of inventories |
|  | December 31, 2021 | December 31, 2020
Finished goods |  | $ | 95.2 |  | $ | 74.4 |
Ore stockpiles |  | 33.6 |  | 80.1 |
Mine supplies |  | 173.3 |  | 172.8 |
|  | 302.1 |  | 327.3 |
Non-current ore stockpiles |  | 124.1 |  | 198.3 |
|  | $ | 426.2 |  | $ | 525.6 |

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