v3.25.1
Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2025
Earnings Per Share [Abstract]  
Computation of basic and diluted net income per common share
The following table shows the computation of our basic and diluted earnings per common share (in millions, except per share amounts):
Three Months Ended
March 31
20252024
Basic earnings per share:
Net income
$78.6 $74.3 
Less: Net income allocated to participating securities(1.4)(1.4)
Net income available to common shareholders$77.2 $72.9 
Weighted-average shares outstanding - basic
35.9 35.8 
Basic earnings per share
$2.15 $2.04 
Diluted earnings per share:
Net income
$78.6 $74.3 
Less: Net income allocated to participating securities(1.4)(1.4)
Net income available to common shareholders$77.2 $72.9 
Weighted-average shares outstanding - basic
35.9 35.8 
Effect of dilutive securities:
Equity compensation plans0.1 0.1 
Weighted-average shares outstanding - diluted
36.0 35.9 
Diluted earnings per share
$2.15 $2.03