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Investments in affiliates and joint ventures - Narrative (Details) - CAD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2023 | Dec. 31, 2023 | Dec. 31, 2022
Variable Interest Entity [Line Items] |  |  |
Cost of purchased equipment |  | $ 202,809 | $ 111,499
Final cash distributions amount |  | 19,330 | 12,760
Net cash outflow after offset |  | 387 | 0
Contract asset, current |  | 35,027 | 15,802
Revenue |  | 957,220 | 769,539
Accounts receivable |  | 97,855 | 83,811
Dene North Site Services Partnership |  |  |
Variable Interest Entity [Line Items] |  |  |
Cost of purchased equipment | $ 2,600 |  |
Final cash distributions amount | 2,213 |  |
Net cash outflow after offset | $ 387 |  |
Nuna |  |  |
Variable Interest Entity [Line Items] |  |  |
Revenue |  | 165,741 | 213,745
Nuna | Variable Consideration - Unpriced Contract Modifications |  |  |
Variable Interest Entity [Line Items] |  |  |
Contract asset, current |  | 8,701 | 1,391
Mikisew North American Limited Partnership ("MNALP") |  |  |
Variable Interest Entity [Line Items] |  |  |
Revenue |  | 395,040 | 330,259
Accounts receivable |  | 61,111 | 66,680
Equity Method Investee |  |  |
Variable Interest Entity [Line Items] |  |  |
Contract asset, current |  | 12,019 | 0
Revenue |  | 773,512 | 666,069
Accounts receivable |  | $ 41,157 | $ 65,294

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