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INCOME TAX EXPENSE - Movements of deferred tax (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation of changes in deferred tax liability (asset) |  |
Balance at the beginning of the period | $ 296.9 | $ 430.3
Recognized in the statement of operations | 143.9 | (56.2)
Recognized in OCI | (3.6) | (2.6)
Discontinued operations |  | (74.6)
Balance at the end of the period | 437.2 | 296.9
Unrecognized deferred tax assets and liabilities |  |
Aggregated temporary differences associated with investments in subsidiaries | 6,490.3 | 6,193.4
Deductible temporary differences | 736.7 | 680.7
Tax losses | 469.6 | $ 418.9
Canada | 2027 - 2043 |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 1,344.8 |
United States | 2024 - 2026 & No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 254.4 |
Chile | No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 131.6 |
Brazil | No expiry |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 4.9 |
Mauritania | 2024 - 2028 |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 5.3 |
Barbados | 2024 - 2030 |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 42.1 |
Luxembourg | Various |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | 61.4 |
Other. | Various |  |
Non-capital losses that can be applied against future taxable profit |  |
Unused tax losses | $ 50.2 |

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