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v3.25.1

Long-term debt - Financing obligations (Details) - CAD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 01, 2023 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
MacKellar |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Financing obligations | $ 173,430 |  |  |
Financing obligations, payments | 73,657 |  |  |
Financing obligations |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument related obligations |  |  |  | $ 233,668
Financing obligations, payments |  | $ 73,657 |  |
Financing obligations | Financing Obligations Expiring Between August 2026 And September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument related obligations |  |  | $ 114,930 |
Financing obligations | Minimum | Financing Obligations Expiring Between August 2026 And September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 5.56% |
Financing obligations | Minimum | Financing Obligations Expiring Between March 2024 And October 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 1.99% |
Financing obligations | Minimum | Financing Obligations Expiring September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 6.72% |
Financing obligations | Maximum | Financing Obligations Expiring Between August 2026 And September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 7.92% |
Financing obligations | Maximum | Financing Obligations Expiring Between March 2024 And October 2028 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 8.11% |
Financing obligations | Maximum | Financing Obligations Expiring September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate |  |  | 7.17% |
Financing obligations | MacKellar |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Financing obligations | $ 173,430 |  |  |
Equipment financing |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Financing obligations |  | $ 162,266 | $ 197,018 | 162,266
Financing obligations, payments |  |  | $ 77,363 | $ 110,306

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