v3.25.4
Nature of Operations and Significant Accounting Policies (Schedule of Earnings Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accounting Policies [Abstract]      
Net income from continuing operations attributable to common shareholders $ 331.7 $ 268.2 $ 175.9
Income from discontinued operations, net of tax (Note 3) 34.9 26.5 80.0
Net income attributable to common shareholders $ 366.6 $ 294.7 $ 255.9
Average basic shares outstanding (in shares) 57.5 57.2 56.7
Effect of dilutive share-based awards (in shares) 1.1 1.1 0.8
Average diluted shares outstanding (in shares) 58.6 58.3 57.5
Earnings per basic share from continuing operations (in dollars per share) $ 5.77 $ 4.69 $ 3.10
Earnings per basic share from discontinued operations (in dollars per share) 0.61 0.46 1.41
Basic earnings per share (in dollars per share) 6.38 5.15 4.51
Earnings per diluted share from continuing operations (in dollars per share) 5.66 4.60 3.06
Earnings per diluted share from discontinued operations (in dollars per share) 0.60 0.45 1.39
Diluted earnings per share (in dollars per share) $ 6.26 $ 5.05 $ 4.45