Prepayments, deposits and other current assets (Tables)

6 Months Ended

Jun. 30, 2024

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

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure

As at	June 30, 2024		December 31, 2023
Prepaid equipment deposits	$	0.9	$	40.1
Prepaid transaction costs	10.0		7.8
Prepaid lease deposits	6.1		5.6
Prepaid insurance	5.6		4.6
Prepaid construction charges	0.9		2.6
Other prepaids	4.2		3.3
Total prepayments, deposits and other current assets	$	27.7	$	64.0
Non-current security deposits	(6.1)		(5.0)
Non-current insurance	(0.2)		(2.8)
Current prepayments and deposits	$	21.4	$	56.2