Accounts payable and accrued liabilities (Tables)

12 Months Ended

Dec. 31, 2023

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities

As at	December 31, 2023		December 31, 2022		October 31, 2022		October 31, 2021
Trade payables	$	76.4	$	20.1	$	12.6	$	9.4
Accrued fixed assets	58.1		32.7		7.3		—
Accrued expenses	14.5		9.3		18.7		6.6
Accrued compensation	3.1		9.8		7.8		2.8
Total accounts payable and accrued liabilities	$	152.1	$	71.9	$	46.4	$	18.8