v3.25.0.1
Earnings (Loss) Per Share (Tables)
3 Months Ended
Dec. 31, 2024
Earnings Per Share [Abstract]  
Computation of basic and diluted (loss) earnings per share
Three Months Ended
December 31,
20242023
Net earnings for basic earnings per share
$113.3 $88.1 
Impact of interest expense, net of tax, related to convertible senior notes2.7 2.7 
Net earnings for diluted earnings per share
$116.0 $90.8 
Weighted-average shares for basic earnings per share
58.3 60.5 
Effect of dilutive securities:
Stock options0.2 0.3 
Restricted stock units0.5 0.4 
Market-based performance restricted stock units0.7 0.6 
Earnings-based performance restricted stock units0.1 0.1 
Shares issuable upon conversion of convertible senior notes5.4 5.4 
Total dilutive securities6.9 6.8 
Weighted-average shares for diluted earnings per share
65.2 67.3 
Earnings per Common Share:
Basic$1.94 $1.46 
Diluted$1.78 $1.35 
Antidilutive Securities Excluded from Computation of Diluted (Loss) Earnings Per Share
Three Months Ended
December 31,
20242023
Market-based performance restricted stock units— 0.1