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Income taxes (Tax rate reconciliation) (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates [Abstract] |  |
Earnings before income taxes and non-controlling interest | $ 487,153 | $ 84,795
Combined federal and provincial tax rate | 26.90% | 26.90%
Computed income tax expense | $ 131,044 | $ 22,810
Increase (decrease) in taxes resulting from: |  |
Difference between Canadian rates and rates applicable to subsidiaries in other countries | 2,990 | 8,986
Change in unrecognized deferred tax assets | 16,759 | 1,234
Income in equity-accounted investees | (41,519) | (25,264)
Change in uncertain tax positions | (9,331) | (6,282)
Bargain purchase gain | 0 | (6,129)
Other taxes | 11,709 | 0
Foreign exchange permanent differences | 12,044 | (2,487)
Other permanent differences | 2,641 | 2,663
Income tax (recovery) expense | $ 126,337 | $ (4,469)

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- Definition The amount representing the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to OtherPermanentDifferences. + References No definition available. + Details
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- Definition The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2023-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2023-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2023-03-23 + Details
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