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CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY (UNAUDITED) - USD ($)
$ in Millions
Total
Common Equity
Retained Earnings
Beginning Balance at Dec. 31, 2023 $ 489.1 $ 337.6 $ 151.5
Net Income 27.2   27.2
Dividends on Common Shares (6.8)   (6.8)
Stock Compensation Plans 0.8 0.8  
Issuance of Common Shares 0.3 0.3  
Ending Balance at Mar. 31, 2024 510.8 338.7 171.9
Ending Balance at Mar. 31, 2024 510.6    
Ending Balance at Mar. 31, 2024 510.6    
Beginning Balance at Dec. 31, 2024 512.5 341.2 171.1
Beginning Balance at Dec. 31, 2024 512.3    
Beginning Balance at Dec. 31, 2024 512.3    
Net Income 27.5   27.5
Dividends on Common Shares (7.3)   (7.3)
Stock Compensation Plans 1.1 1.1  
Issuance of Common Shares 0.3 0.3  
Ending Balance at Mar. 31, 2025 534.1 $ 342.6 $ 191.3
Ending Balance at Mar. 31, 2025 533.9    
Ending Balance at Mar. 31, 2025 $ 533.9