Share capital - Unit plans and changes (Details) - shares	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance - beginning of the period	257,268
Granted	4,640,089	1,359,349	0
Vested/Converted	(3,286,719)
Balance - end of the period	1,610,638	257,268
DSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Balance - beginning of the period	1,560,734
Granted	1,283,023	283,289	58,925
Vested/Converted	(415,056)
Balance - end of the period	2,428,701	1,560,734