Other receivables (Tables)

12 Months Ended

Dec. 31, 2023

Receivables [Abstract]

Schedule Of Other Receivables

As at	December 31, 2023		December 31, 2022		October 31, 2022		October 31, 2021
Non-trade receivable	$	—	$	3.5	$	2.0	$	—
Sales taxes receivable	1.8		3.9		3.6		0.4
Other receivable	0.1		2.4		2.1		0.5
Total other receivables	$	1.9	$	9.8	$	7.7	$	0.9