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v3.24.1

PROVISIONS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Provisions |  |
Provisions at beginning of period | $ 806.7 |
Additions | 142.8 |
Reductions | (6.4) |
Reclamation spending | (22.2) |
Accretion | 37.0 |
Reclamation expense | (19.2) |
Provisions at end of period | 938.7 | $ 806.7
Current portion | 48.8 |
Non-current portion | 889.9 |
Other operating expense | 64.5 | 113.8
Reclamation and remediation obligations |  |
Provisions |  |
Provisions at beginning of period | 779.0 |
Additions | 102.3 |
Reclamation spending | (22.2) |
Accretion | 37.0 |
Reclamation expense | (19.2) |
Provisions at end of period | 876.9 | 779.0
Current portion | 43.4 |
Non-current portion | 833.5 |
Other operating expense | 19.2 | 23.5
Letter of credit issued to various agencies | 440.8 | 463.2
Surety bonds outstanding | $ 375.1 | $ 317.0
Reclamation and remediation obligations | Minimum |  |
Provisions |  |
Discount rate used in estimating site restoration cost obligation (in percent) | 3.80% | 3.90%
Inflation rate used in estimating the site restoration cost obligation (in percent) | 2.00% | 2.00%
Reclamation and remediation obligations | Maximum |  |
Provisions |  |
Discount rate used in estimating site restoration cost obligation (in percent) | 8.40% | 8.80%
Inflation rate used in estimating the site restoration cost obligation (in percent) | 4.50% | 8.70%
Other |  |
Provisions |  |
Provisions at beginning of period | $ 27.7 |
Additions | 40.5 |
Reductions | (6.4) |
Provisions at end of period | 61.8 | $ 27.7
Current portion | 5.4 |
Non-current portion | $ 56.4 |

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