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CASH FLOW ITEMS - Other Non-Cash Items, Operating Activities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash Flow Statement [Abstract] |  |
Share-based compensation | $ 6.2 | $ 5.1
Write-down of assets | 2.7 | 2.0
Changes in estimates of asset retirement obligations at closed sites | 9.7 | 1.6
Interest income | (27.8) | (8.5)
Fair value of deferred consideration from the sale of Sadiola | 4.3 | (0.7)
Effects of exchange rate fluctuation on cash and cash equivalents | (1.3) | 17.1
Effects of exchange rate fluctuation on restricted cash | (2.8) | 2.1
Proceeds from insurance claim | (0.6) | (1.2)
Employee service provision | 0.0 | 2.1
Other | (0.4) | (3.8)
Total other non-cash items | $ (10.0) | $ 15.8

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