Lease liabilities (Tables)

12 Months Ended

Oct. 31, 2022

Disclosure Of Leases [Abstract]

Schedule of Lease Liabilities

For the year ended October 31,					2022
	Premises		Equipment		Total
Lease liabilities
Balance, beginning of the year	$	29.2	$	0.2	$	29.4
Additions	28.4		0.4		28.8
Lease repayments	(6.8)		(0.1)		(6.9)
Lease interest	2.2		—		2.2
Termination	(0.2)		—		(0.2)
Foreign exchange gains (losses)	(1.5)		—		(1.5)
Balance, end of the year	$	51.3	$	0.5	$	51.8
Non-current portion of lease liabilities	$	46.2	$	0.4	$	46.6
Current lease liabilities	$	5.1	$	0.1	$	5.2

For the year ended October 31,					2021
	Premises		Equipment		Total
Lease liabilities
Balance, beginning of the year	$	3.5	$	0.1	$	3.6
Additions	25.9		0.4		26.3
Modifications	0.3		(0.2)		0.1
Lease repayments	(1.3)		(0.1)		(1.4)
Lease interest	0.4		—		0.4
Foreign exchange gains (losses) and other	0.4		—		0.4
Balance, end of the year	$	29.2	$	0.2	$	29.4
Non-current portion of lease liabilities	$	26.4	$	0.1	$	26.5
Current lease liabilities	$	2.8	$	0.1	$	2.9

Lease liabilities

The following table summarizes the Company's undiscounted lease obligations:

Maturity analysis (undiscounted)
As at October 31, 2022	Year 1		Year 2		Year 3		Year 4		Year 5		Thereafter		Total
Premises	$	7.9	$	7.2	$	6.9	$	6.7	$	6.1	$	41.3	$	76.1
Equipment	0.1		0.1		0.1		0.1		0.1		—		0.5
Total	$	8.0	$	7.3	$	7.0	$	6.8	$	6.2	$	41.3	$	76.6

    

Maturity analysis (undiscounted)
As at October 31, 2021	Year 1		Year 2		Year 3		Year 4		Year 5		Thereafter		Total
Premises	$	4.5	$	4.6	$	3.7	$	3.3	$	3.3	$	16.3	$	35.7
Equipment	0.1		0.1		—		—		—		—		0.2
Total	$	4.6	$	4.7	$	3.7	$	3.3	$	3.3	$	16.3	$	35.9