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LONG-TERM DEBT AND CREDIT FACILITIES - Other (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 | Jul. 01, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Long-term debt |  |  |  |
Long-term debt | $ 1,235.5 |  |  | $ 2,232.6
Reclamation and remediation obligations |  |  |  |
Long-term debt |  |  |  |
Surety bonds outstanding | $ 451.8 |  |  | 375.1
Operations in Brazil, Mauritania, Ghana and Chile |  |  |  |
Long-term debt |  |  |  |
Fees incurred on outstanding surety bonds and letters of credit from insurance companies and international banks | 0.63% |  |  |
Surety bonds outstanding | $ 738.9 |  |  | 617.9
EDC |  |  |  |
Long-term debt |  |  |  |
Interest rate (as a percent) | 0.75% |  |  |
Letters of credit | $ 247.2 | $ 400.0 | $ 300.0 | $ 235.7

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