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CASH FLOW ITEMS - Changes in Non-Cash Working Capital Items and Non-Current Ore Stockpiles (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Cash Flow Statement [Abstract] |  |
Receivables and other current assets | $ 18.0 | $ (36.9)
Inventories and non-current ore stockpiles | (76.6) | (32.6)
Accounts payable and accrued liabilities | 43.7 | 28.9
Movements in non-cash working capital items and non-current ore stockpiles | $ (14.9) | $ (40.6)

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- Definition Adjustments For Decrease (Increase) In Trade and Other Receivables and Other Current Assets + References No definition available. + Details
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- Definition Adjustments For Increase (Decrease) in Accounts Payable And Accrued Liabilities + References No definition available. + Details
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- Definition Adjustments for Decrease (Increase) in Non-Current Ore Stockpiles + References No definition available. + Details
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- Definition Cash Flow Statement [Abstract] + References No definition available. + Details
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- Definition The increase (decrease) in working capital. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard -URIDate 2023-03-23 + Details
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