v3.25.2
Net Income Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Basic Net Income Per Common Share            
Average Number of Common Shares Outstanding (in shares) 192,751,910   203,306,236   193,965,606 203,967,516
Net Income $ 421.3 $ 392.0 $ 896.1 $ 214.7 $ 813.3 $ 1,110.8
Less: Dividends on Preferred Stock 4.7   4.7   20.9 20.9
Net Income Applicable to Common Stock 416.6   891.4   792.4 1,089.9
Less: Earnings Allocated to Participating Securities 3.8   7.1   7.4 9.5
Earnings Allocated to Common Shares Outstanding $ 412.8   $ 884.3   $ 785.0 $ 1,080.4
Basic Net Income Per Common Share (in dollars per share) $ 2.14   $ 4.35   $ 4.05 $ 5.30
Diluted Net Income Per Common Share            
Average Number of Common Shares Outstanding (in shares) 192,751,910   203,306,236   193,965,606 203,967,516
Plus: Dilutive Effect of Share-based Compensation (in shares) 622,978   432,434   776,726 469,241
Average Common and Potential Common Shares (in shares) 193,374,888   203,738,670   194,742,332 204,436,757
Earnings Allocated to Common and Potential Common Shares $ 412.8   $ 884.3   $ 785.0 $ 1,080.4
Diluted Net Income Per Common Share (in dollars per share) $ 2.13   $ 4.34   $ 4.03 $ 5.28
Common stock equivalents excluded from the computation of diluted earnings per share because their inclusion would have been antidilutive (in shares) 0   0   0 100,000