Statement of cash flows, additional disclosures (Tables)

14 Months Ended

Dec. 31, 2022

Statement of cash flows [abstract]

Changes in Liabilities Arising from Financing Activities

Changes in liabilities arising from financing activities comprise the following:

For the two months ended December 31,							2022
	Lease liabilities		Restoration provisions		Convertible debt		Conversion feature of convertible debt
Balance, beginning of the period	$	51.8	$	0.4	$	244.6	$	43.9
Cash changes:
Repayments of lease liabilities	(0.5)		—		—		—
Total changes from financing cash flows	(0.5)		—		—		—
Non-cash changes:
New leases	1.8		—		—		—
Accrued interest and accretion	—		—		(6.6)		—
Foreign exchange gain or (loss)	0.8		—		—		—
Fair value gain/loss on conversion feature of convertible debt	—		—		—		(21.4)
Accrued interest paid in kind	—		—		12.4		—
Total non-cash changes	$	2.6	$	—	$	5.8	$	(21.4)
Balance, end of the period	$	53.9	$	0.4	$	250.4	$	22.5