Earnings Per Share (Tables)

3 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

	Three Months Ended December 31,
	2024		2023
Net earnings	$	76.9	$	43.9
Weighted-average shares for basic earnings per share	128.9		131.2
Effect of dilutive securities:
Stock options	0.2		0.2
Restricted stock units	0.3		0.3
Performance-based restricted stock units	1.7		1.3
Weighted-average shares for diluted earnings per share	131.1		133.0
Basic earnings per common share	$	0.60	$	0.33
Diluted earnings per common share	$	0.59	$	0.33