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FAIR VALUE MEASUREMENTS (Tables) | 12 Months Ended
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Dec. 31, 2024
Fair Value Measurement [Abstract] |
Fair value measurement of assets | The Company's fair values of financial assets and liabilities
| December 31, 2024 |  |
| Carrying Amount | Level 1 | Level 2 | Level 3 | Total Fair Value |  |
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 347.5 |  | $ | 347.5 |  | $ | — |  | $ | — |  | $ | 347.5 |  |  |
Short-term investments | 1.0 |  | 1.0 |  | — |  | — |  | 1.0 |  |  |
Restricted cash | 68.4 |  | 68.4 |  | — |  | — |  | 68.4 |  |  |
Marketable securities | 10.3 |  | 10.3 |  | — |  | — |  | 10.3 |  |  |
Bond fund investments | 1.0 |  | 1.0 |  | — |  | — |  | 1.0 |  |  |
Deferred consideration from the sale of Sadiola | 17.1 |  | — |  | — |  | 17.1 |  | 17.1 |  |  |
Derivatives |  |  |  |  |  |  |
Embedded derivative - prepayment options on Term Loan | 26.7 |  | — |  | 26.7 |  | — |  | 26.7 |  |  |
| $ | 472.0 |  | $ | 428.2 |  | $ | 26.7 |  | $ | 17.1 |  | $ | 472.0 |  |  |
Liabilities |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |
Currency contracts | $ | (9.8) |  | $ | — |  | $ | (9.8) |  | $ | — |  | $ | (9.8) |  |  |
Long-term debt - Notes 1 | (452.0) |  | (435.8) |  | — |  | — |  | (435.8) |  |  |
Long-term debt - Term Loan 2 | (400.8) |  | — |  | (449.2) |  | — |  | (449.2) |  |  |
Long-term debt - equipment loans | (2.1) |  | — |  | (2.3) |  | — |  | (2.3) |  |  |
Long-term debt - Credit Facility | (220.0) |  | — |  | (220.0) |  | — |  | (220.0) |  |  |
| $ | (1,084.7) |  | $ | (435.8) |  | $ | (681.3) |  | $ | — |  | $ | (1,117.1) |  |  |
1.The carrying amount excludes unamortized deferred transaction costs of $3.6 million and the embedded derivative. 2.The carrying amount excludes unamortized deferred transaction costs of $3.7 million, the 3% original discount and the embedded derivative.
| December 31, 2023 |  |
| Carrying Amount | Level 1 | Level 2 | Level 3 | Total Fair Value |  |
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 367.1 |  | $ | 367.1 |  | $ | — |  | $ | — |  | $ | 367.1 |  |  |
Restricted cash | 90.5 |  | 90.5 |  | — |  | — |  | 90.5 |  |  |
Marketable securities and warrants | 14.2 |  | 14.2 |  | — |  | — |  | 14.2 |  |  |
Bond fund investments | 2.0 |  | 2.0 |  | — |  | — |  | 2.0 |  |  |
Deferred consideration from the sale of Sadiola | 15.2 |  | — |  | — |  | 15.2 |  | 15.2 |  |  |
Derivatives |  |  |  |  |  |  |
Currency contracts | 1.6 |  | — |  | 1.6 |  | — |  | 1.6 |  |  |
Crude oil contracts 1 | 5.7 |  | — |  | 5.7 |  | — |  | 5.7 |  |  |
Embedded derivative - prepayment options on Term Loan | 5.1 |  | — |  | 5.1 |  | — |  | 5.1 |  |  |
| $ | 501.4 |  | $ | 473.8 |  | $ | 12.4 |  | $ | 15.2 |  | $ | 501.4 |  |  |
Liabilities |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |
Gold bullion contracts | $ | (9.2) |  | $ | — |  | $ | (9.2) |  | $ | — |  | $ | (9.2) |  |  |
TARF | (1.4) |  | — |  | (1.4) |  | — |  | (1.4) |  |  |
Extendible Forwards | (0.5) |  | — |  | (0.5) |  | — |  | (0.5) |  |  |
Long-term debt - Notes 2 | (452.5) |  | (388.3) |  | — |  | — |  | (388.3) |  |  |
Long-term debt - Term Loan 3 | (400.9) |  | — |  | (411.0) |  | — |  | (411.0) |  |  |
Long-term debt - equipment loan 4 | (7.3) |  | — |  | (7.3) |  | — |  | (7.3) |  |  |
| $ | (871.8) |  | $ | (388.3) |  | $ | (429.4) |  | $ | — |  | $ | (817.7) |  |  |
1.Includes hedge and non-hedge derivatives. 2.The carrying amount excludes unamortized deferred transaction costs of $4.5 million and the embedded derivative. 3.The carrying amount excludes unamortized deferred transaction costs of $8.2 million, the 3% original discount and the embedded derivative 4.The carrying amount excludes unamortized deferred transaction costs of $0.1 million.
Fair value measurement of liabilities | The Company's fair values of financial assets and liabilities
| December 31, 2024 |  |
| Carrying Amount | Level 1 | Level 2 | Level 3 | Total Fair Value |  |
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 347.5 |  | $ | 347.5 |  | $ | — |  | $ | — |  | $ | 347.5 |  |  |
Short-term investments | 1.0 |  | 1.0 |  | — |  | — |  | 1.0 |  |  |
Restricted cash | 68.4 |  | 68.4 |  | — |  | — |  | 68.4 |  |  |
Marketable securities | 10.3 |  | 10.3 |  | — |  | — |  | 10.3 |  |  |
Bond fund investments | 1.0 |  | 1.0 |  | — |  | — |  | 1.0 |  |  |
Deferred consideration from the sale of Sadiola | 17.1 |  | — |  | — |  | 17.1 |  | 17.1 |  |  |
Derivatives |  |  |  |  |  |  |
Embedded derivative - prepayment options on Term Loan | 26.7 |  | — |  | 26.7 |  | — |  | 26.7 |  |  |
| $ | 472.0 |  | $ | 428.2 |  | $ | 26.7 |  | $ | 17.1 |  | $ | 472.0 |  |  |
Liabilities |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |
Currency contracts | $ | (9.8) |  | $ | — |  | $ | (9.8) |  | $ | — |  | $ | (9.8) |  |  |
Long-term debt - Notes 1 | (452.0) |  | (435.8) |  | — |  | — |  | (435.8) |  |  |
Long-term debt - Term Loan 2 | (400.8) |  | — |  | (449.2) |  | — |  | (449.2) |  |  |
Long-term debt - equipment loans | (2.1) |  | — |  | (2.3) |  | — |  | (2.3) |  |  |
Long-term debt - Credit Facility | (220.0) |  | — |  | (220.0) |  | — |  | (220.0) |  |  |
| $ | (1,084.7) |  | $ | (435.8) |  | $ | (681.3) |  | $ | — |  | $ | (1,117.1) |  |  |
1.The carrying amount excludes unamortized deferred transaction costs of $3.6 million and the embedded derivative. 2.The carrying amount excludes unamortized deferred transaction costs of $3.7 million, the 3% original discount and the embedded derivative.
| December 31, 2023 |  |
| Carrying Amount | Level 1 | Level 2 | Level 3 | Total Fair Value |  |
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 367.1 |  | $ | 367.1 |  | $ | — |  | $ | — |  | $ | 367.1 |  |  |
Restricted cash | 90.5 |  | 90.5 |  | — |  | — |  | 90.5 |  |  |
Marketable securities and warrants | 14.2 |  | 14.2 |  | — |  | — |  | 14.2 |  |  |
Bond fund investments | 2.0 |  | 2.0 |  | — |  | — |  | 2.0 |  |  |
Deferred consideration from the sale of Sadiola | 15.2 |  | — |  | — |  | 15.2 |  | 15.2 |  |  |
Derivatives |  |  |  |  |  |  |
Currency contracts | 1.6 |  | — |  | 1.6 |  | — |  | 1.6 |  |  |
Crude oil contracts 1 | 5.7 |  | — |  | 5.7 |  | — |  | 5.7 |  |  |
Embedded derivative - prepayment options on Term Loan | 5.1 |  | — |  | 5.1 |  | — |  | 5.1 |  |  |
| $ | 501.4 |  | $ | 473.8 |  | $ | 12.4 |  | $ | 15.2 |  | $ | 501.4 |  |  |
Liabilities |  |  |  |  |  |  |
Derivatives |  |  |  |  |  |  |
Gold bullion contracts | $ | (9.2) |  | $ | — |  | $ | (9.2) |  | $ | — |  | $ | (9.2) |  |  |
TARF | (1.4) |  | — |  | (1.4) |  | — |  | (1.4) |  |  |
Extendible Forwards | (0.5) |  | — |  | (0.5) |  | — |  | (0.5) |  |  |
Long-term debt - Notes 2 | (452.5) |  | (388.3) |  | — |  | — |  | (388.3) |  |  |
Long-term debt - Term Loan 3 | (400.9) |  | — |  | (411.0) |  | — |  | (411.0) |  |  |
Long-term debt - equipment loan 4 | (7.3) |  | — |  | (7.3) |  | — |  | (7.3) |  |  |
| $ | (871.8) |  | $ | (388.3) |  | $ | (429.4) |  | $ | — |  | $ | (817.7) |  |  |
1.Includes hedge and non-hedge derivatives. 2.The carrying amount excludes unamortized deferred transaction costs of $4.5 million and the embedded derivative. 3.The carrying amount excludes unamortized deferred transaction costs of $8.2 million, the 3% original discount and the embedded derivative 4.The carrying amount excludes unamortized deferred transaction costs of $0.1 million.

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