Share capital - Unit plans and changes (Details)	9 Months Ended
	Aug. 31, 2024 shares
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Balance - beginning of the period	1,610,638
Granted	5,705,718
Vested/Converted	(4,498,017)
Balance - end of the period	2,818,339
DSUs
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Balance - beginning of the period	2,428,701
Granted	551,676
Balance - end of the period	2,980,377