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Cost of sales (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Other Income and Expenses [Abstract] |  |
Salaries, wages and benefits | $ 342,693 | $ 292,226
Repair parts and consumable supplies | 247,351 | 198,730
Subcontractor services | 107,636 | 100,572
Equipment and component sales | 27,139 | 52,928
Third-party equipment rentals | 29,524 | 18,727
Fuel | 13,410 | 8,410
Other | 21,303 | 6,935
Total | $ 789,056 | $ 678,528

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