v3.25.4
Earnings (Loss) Per Share (Tables)
3 Months Ended
Dec. 31, 2025
Earnings Per Share [Abstract]  
Computation of basic and diluted (loss) earnings per share
Three Months Ended
December 31,
20252024
Net earnings for basic earnings per share
$96.8 $113.3 
Impact of interest expense, net of tax, related to convertible senior notes2.7 2.7 
Net earnings for diluted earnings per share
$99.5 $116.0 
Weighted-average shares for basic earnings per share
51.7 58.3 
Effect of dilutive securities:
Stock options0.1 0.2 
Restricted stock units0.3 0.5 
Market-based performance restricted stock units0.6 0.7 
Earnings-based performance restricted stock units0.1 0.1 
Shares issuable upon conversion of convertible senior notes5.4 5.4 
Total dilutive securities6.5 6.9 
Weighted-average shares for diluted earnings per share
58.2 65.2 
Earnings per Common Share:
Basic$1.87 $1.94 
Diluted$1.71 $1.78 
Antidilutive Securities Excluded from Computation of Diluted (Loss) Earnings Per Share
Three Months Ended
December 31,
20252024
Restricted stock units0.1 — 
Market-based performance restricted stock units0.1 —