v3.24.2.u1
Earnings (Loss) Per Share (Tables)
 9 Months Ended
Jun. 30, 2024
Earnings Per Share [Abstract]  
Computation of basic and diluted (loss) earnings per share
Three Months Ended
June 30,		Nine Months Ended
June 30,
2024202320242023
Net earnings
$99.8 $89.6 $285.1 $235.6 
Impact of redeemable NCI— 1.9 — 11.0 
Net earnings for basic earnings per share
$99.8 $91.5 $285.1 $246.6 
Impact of interest expense, net of tax, related to convertible senior notes2.7 2.7 8.1 8.1 
Net earnings for diluted earnings per share
$102.5 $94.2 $293.2 $254.7 
Weighted-average shares for basic earnings per share
60.0 61.6 60.4 59.7 
Effect of dilutive securities:
Stock options0.2 0.3 0.3 0.4 
Restricted stock units0.4 0.4 0.4 0.5 
Market-based performance restricted stock units0.9 0.7 0.7 0.6 
Earnings-based performance restricted stock units0.1 0.1 0.1 0.1 
Shares issuable upon conversion of convertible senior notes5.4 5.4 5.4 5.4 
Total dilutive securities7.0 6.9 6.9 7.0 
Weighted-average shares for diluted earnings per share
67.0 68.5 67.3 66.7 
Earnings per Common Share:
Basic$1.66 $1.49 $4.72 $4.13 
Diluted$1.53 $1.38 $4.36 $3.82 
Antidilutive Securities Excluded from Computation of Diluted (Loss) Earnings Per Share
Three Months Ended
June 30,		Nine Months Ended
June 30,
2024202320242023
Restricted stock units— — — 0.1 
Market-based performance restricted stock units— 0.1 — 0.1