Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

	Three Months Ended December 31,
	2022		2021
Net earnings available to common stockholders for basic earnings per share	$	44.2	$	8.2
Dilutive impact of net earnings attributable to NCI	—		0.1
Net earnings available to common stockholders for diluted earnings per share	$	44.2	$	8.3
shares in millions
Weighted-average shares for basic earnings per share	134.9		39.4
Effect of dilutive securities:
Restricted stock units	0.2		0.2
Weighted-average shares for diluted earnings per share	135.1		39.6
Basic earnings per share of Common Stock	$	0.33	$	0.21
Diluted earnings per share of Common Stock	$	0.33	$	0.21

Antidilutive securities excluded from computation of earnings per share

	Three Months Ended December 31,
shares in millions	2022	2021
Restricted stock units	0.2	—
Performance-based restricted stock units	0.5	—