XML 72 R57.htm IDEA: XBRL DOCUMENT v3.25.3
Earnings Per Share Attributable to Common Stockholders (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Earnings Per Share Basic And Diluted [Line Items]        
Net income available to common stockholders $ 80.7 $ 66.9 $ 283.1 $ 264.7
Weighted average number of shares outstanding:        
Basic weighted average shares outstanding (in shares) 185,600,000 184,300,000 185,300,000 183,800,000
Diluted weighted average shares outstanding (in shares) 187,100,000 185,500,000 186,700,000 185,000,000.0
Earnings per share available to common stockholders:        
Basic (usd per share) $ 0.43 $ 0.36 $ 1.53 $ 1.44
Diluted (usd per share) $ 0.43 $ 0.36 $ 1.52 $ 1.43
Share units        
Weighted average number of shares outstanding:        
Effect of dilutive securities: Share units and Stock options and employee share purchase plan (in shares) 900,000 600,000 800,000 600,000
Stock options and employee share purchase plan        
Weighted average number of shares outstanding:        
Effect of dilutive securities: Share units and Stock options and employee share purchase plan (in shares) 600,000 600,000 600,000 600,000