Prepayments, deposits and other current assets (Tables)

9 Months Ended

Sep. 30, 2024

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure

As at	September 30, 2024		December 31, 2023
Prepaid equipment deposits	$	1.0	$	40.1
Prepaid transaction costs	11.1		7.8
Prepaid lease deposits	5.3		5.6
Prepaid insurance	4.5		4.6
Prepaid construction charges	0.9		2.6
Other prepaids	3.7		3.3
Total prepayments, deposits and other current assets	$	26.5	$	64.0
Non-current security deposits	(5.0)		(5.0)
Non-current insurance	(0.1)		(2.8)
Current prepayments and deposits	$	21.4	$	56.2