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Long-Term Debt - Schedule of Long Term Debt (Details) - CAD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023 | Jan. 01, 2023 | [1]
--- | --- | --- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 1,383.5 | $ 1,098.2 |  |
Less current portion | 175.0 | 124.0 | [1] | $ 23.2
Long-term portion | 1,208.5 | 974.2 | [1] | $ 1,157.1
Senior unsecured notes |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 548.1 | 547.6 |  |
Revolving credit facility |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 256.0 | 79.5 |  |
Term loan facilities |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 405.6 | 408.2 |  |
Notes payable |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | 116.8 | 52.0 |  |
Other financing obligations |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |
Long-term debt | $ 57.0 | $ 10.9 |  |
[1] | Revised for change in accounting policy (see Note 6.c)

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