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FINANCIAL INSTRUMENTS - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) $ / oz | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Disclosure of detailed information about financial instruments [line items] |  |  |
Cash and cash equivalents | $ 367.1 | $ 407.8 | $ 544.9
Percentage of reasonably possible | 10.00% |  |
Percentage of reasonably possible decrease | 10.00% |  |
Gold floor price, per ounce (in usd per ounce) | $ / oz | 1,700 |  |
Gold cap price, per ounce (in usd per ounce) | $ / oz | 2,100 |  |
Gold option increase price, per ounce (in usd per ounce) | $ / oz | 2,100 |  |
Increase in fair value measurement due to reasonably possible increase in unobservable input, recognised in OCI | $ 1.3 |  |
Decrease in fair value measurement due to reasonably possible decrease in unobservable input, recognised in OCI | 1.3 |  |
Crude Oil Derivative Contracts |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Realized hedge losses recognized in profit or loss | 1.1 | $ 1.1 |
Côté Gold UJV |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Cash and cash equivalents | 81.7 |  |
Essakane mine |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Cash and cash equivalents | $ 70.9 |  |

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- Definition The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_45&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph B13 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_i&doctype=Standard -URIDate 2023-03-23 + Details
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