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CAPITAL MANAGEMENT (Details) - USD ($) $ in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Sep. 23, 2020 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of detailed information about borrowings [line items] |  |  |  |
Cash and cash equivalents |  | $ 347.5 | $ 367.1 | $ 407.8
Credit facility available for use |  | 418.5 | 387.0 |
Common shares |  | 3,070.6 | 2,732.1 |
Capital Management Liabilities And Equity |  | 4,339.1 | 3,969.1 |
Unamortized deferred transaction costs |  | 77.8 | 68.3 |
Notes |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  | 450.0 | 450.0 |
Unamortized deferred transaction costs | $ 7.5 |  |  |
Notes | Unamortized deferred transactions costs |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Unamortized deferred transaction costs |  | 3.6 | 4.5 |
Term Loan |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  | 400.0 | 400.0 |
Term Loan | Unamortized deferred transactions costs |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Unamortized deferred transaction costs |  | 3.7 | 8.2 |
Equipment loans |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt |  | $ 2.1 |  |
Equipment loans | Unamortized deferred transactions costs |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Unamortized deferred transaction costs |  |  | $ 0.1 |

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