Earnings (loss) per share

12 Months Ended

Dec. 31, 2023


	Year ended December 31, 2023		2 months ended December 31, 2022		Year ended October 31, 2022		Year ended October 31, 2021
Total net income (loss)	$	(138.0)	$	1.6	$	(50.3)	$	(70.5)
Weighted average number of common shares (in millions)	177.5		176.0		170.7		110.1
Effect of dilutive securities:
Stock options	—		2.1		—		—
Restricted share units	—		2.0		—		—



Dilutive number of shares	$	177.5	$	180.1	$	170.7	$	110.1

Basic and diluted earnings (loss) per share	$	(0.78)	$	0.01	$	(0.29)	$	(0.64)

The stated weighted average number of common shares and the number of potential common shares have been recast by the Business Combination exchange ratio of 1:39.91 for periods prior to the completion of the Business Combination on August 10, 2021.

Adjustments for diluted loss per share were not made for the for the year ended December 31, 2023, for the year ended October 31, 2022, and for the year ended October 31, 2021 as they would be anti-dilutive in nature. The following table presents shares 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	December 31, 2023		December 31, 2022		October 31, 2022		October 31, 2021
Stock options	$	3.7	$	4.4	$	4.5	$	5.3
Warrants	—		—		—		23.0
Convertible debt
KSP Convertible Notes	9.6		8.5		8.4		7.5
Glencore Convertible Notes	23.7		21.4		21.0		—
Restricted share units	9.9		2.0		2.0		0.7
Total	$	46.9	$	36.3	$	35.9	$	36.5