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INCOME TAX EXPENSE - Movements of deferred tax (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Reconciliation of changes in deferred tax liability (asset) |  |
Balance at the beginning of the period | $ 437.2 | $ 296.9
Recognized in the statement of operations | 112.2 | 143.9
Recognized in OCI | (5.3) | (3.6)
Other | (0.4) |
Balance at the end of the period | 543.7 | 437.2
Unrecognized deferred tax assets and liabilities |  |
Aggregated temporary differences associated with investments in subsidiaries | 7,258.9 | 6,490.3
Deductible temporary differences | 775.7 | 736.7
Tax losses | 467.6 | $ 469.6
Canada | 2027 - 2044 |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 1,352.8 |
United States | 2025-2026 & No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 259.0 |
Chile | No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 133.3 |
Brazil | No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 1.7 |
Mauritania | 2025 - 2029 |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 13.1 |
Luxembourg | Various |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 31.0 |
Other. | Various |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | $ 52.2 |

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