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v3.25.3

Income taxes - Disclosure of income tax expense (Details) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Current income tax expense |  |
Current income tax expense in respect of the current year | $ 628,169 | $ 731,338
Adjustments recognized in the current year in relation to the income tax (recovery) expense of prior years | (44,889) | 12,998
Total current income tax expense | 583,280 | 744,336
Deferred income tax expense (recovery) |  |
Deferred income tax recovery relating to the origination and reversal of temporary differences | (33,531) | (118,893)
Deferred income tax recovery relating to changes in tax rates | (1,619) | 0
Adjustments recognized in the current year in relation to the deferred income tax expense (recovery) of prior years | 35,775 | (27,207)
Total deferred income tax expense (recovery) | 625 | (146,100)
Total income tax expense | $ 583,905 | $ 598,236

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