Loss per share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Loss per share

	For the 3 months ended March 31, 2024		For the 3 months ended March 31, 2023
Total net income (loss)	$	(136.7)	$	(36.5)
Weighted average number of common shares (in millions)	178.8		176.4
Effect of dilutive securities:
Stock options	—		—
Restricted share units	—		—
Dilutive number of shares	$	178.8	$	176.4
Basic and diluted earnings (loss) per share	$	(0.76)	$	(0.21)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents shares (denominated in millions) from instruments that could dilute basic loss

per share in the future, but were not included in the calculation of diluted loss per share because they are antidilutive for the periods presented:

As at	March 31, 2024	March 31, 2023
Stock options	3.4	5.3
Convertible debt
KSP Convertible Notes	9.1	8.4
Glencore Convertible Notes	165.6	21.3
Restricted share units	12.2	3.5
Total	190.3	38.5