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FINANCIAL INSTRUMENTS - Maturity Date and Principal Amount of the Company's Obligations (Details) $ in Millions | Dec. 31, 2024 USD ($)
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Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | $ 1,612.2
2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 455.0
2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 34.1
2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 29.4
2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 1,093.7
Accounts payable and accrued liabilities |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 264.8
Accounts payable and accrued liabilities | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 264.8
Accounts payable and accrued liabilities | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Accounts payable and accrued liabilities | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Accounts payable and accrued liabilities | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Lease liabilities |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 124.2
Lease liabilities | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 38.1
Lease liabilities | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 33.0
Lease liabilities | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 29.4
Lease liabilities | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 23.7
Equipment loans |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 2.1
Equipment loans | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 1.0
Equipment loans | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 1.1
Equipment loans | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Equipment loans | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Credit facility |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 220.0
Credit facility | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Credit facility | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Credit facility | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Credit facility | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 220.0
Notes |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 450.0
Notes | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Notes | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Notes | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Notes | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 450.0
Gold sale prepayment arrangement |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 151.1
Gold sale prepayment arrangement | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 151.1
Gold sale prepayment arrangement | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Gold sale prepayment arrangement | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Gold sale prepayment arrangement | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Term Loan |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 400.0
Term Loan | 2025 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Term Loan | 2026 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Term Loan | 2027 |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | 0.0
Term Loan | 2028 onwards |
Disclosure of detailed information about financial instruments [line items] |
Current financial assets at amortised cost | $ 400.0

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