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Consolidated statements of comprehensive income (parenthetical) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Consolidated statements of comprehensive income [Abstract]    
Income tax on remeasurement of defined benefit liability $ 969 $ 1,581
Remeasurements of investee, tax (6,217) 5,144
Gains on derivatives designated as cash flow hedges - equity-accounted investee, tax $ (4,272) $ (909)