EARNINGS PER SHARE (Tables)

6 Months Ended

Mar. 31, 2026

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table presents the computation of basic and diluted earnings per share.

	Three Months Ended March 31,				Six Months Ended March 31,
	2026		2025		2026		2025
Net earnings	$	33.9	$	58.7	$	77.6	$	135.6
Weighted-average shares for basic earnings per share	117.3		128.2		118.3		128.5
Effect of dilutive securities:
Stock options	—		0.2		0.1		0.2
Restricted stock units	0.2		0.3		0.2		0.3
Performance-based restricted stock units	—		1.2		0.1		1.5
Weighted-average shares for diluted earnings per share	117.5		129.9		118.7		130.5
Basic earnings per common share	$	0.29	$	0.46	$	0.66	$	1.06
Diluted earnings per common share	$	0.29	$	0.45	$	0.65	$	1.04

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table presents the securities that have been excluded from the calculation of weighted-average shares for diluted earnings per share as they were anti-dilutive.

	Three Months Ended March 31,		Six Months Ended March 31,
shares in millions	2026	2025	2026	2025
Restricted stock units	0.5	—	0.3	—
Performance-based restricted stock units	0.5	—	0.4	—