Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

	Three Months Ended June 30,				Nine Months Ended June 30,
	2022		2021		2022		2021
Net earnings available to common stockholders for basic earnings per share	$	39.1	$	9.5	$	48.6	$	17.9
Dilutive impact of net earnings attributable to NCI	—		0.1		—		0.1
Net earnings available to common stockholders for diluted earnings per share	$	39.1	$	9.6	$	48.6	$	18.0
shares in millions
Weighted-average shares for basic earnings per share	136.3		39.5		79.5		39.5
Total dilutive restricted stock units	0.4		0.2		0.2		0.2
Weighted-average shares for diluted earnings per share	136.7		39.7		79.7		39.7
Basic earnings per share of Common Stock	$	0.29	$	0.24	$	0.61	$	0.45
Diluted earnings per share of Common Stock	$	0.29	$	0.24	$	0.61	$	0.45