Accounts receivable (Tables)

3 Months Ended

Mar. 31, 2023

Trade and other current receivables [abstract]

Schedule of other receivables

As at	March 31, 2023		December 31, 2022
Trade receivables	$	3.7	$	4.3
Total accounts receivable	3.7		4.3
Non-trade receivables	$	—	$	3.5
Sales taxes receivable	3.6		4.1
Other	2.1		2.4
Total other receivables	$	5.7	$	10.0