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CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY - USD ($)
$ in Millions
Total
Dividend and Distribution Reinvestment and Share Purchase Plan
Registered Public Offering
Common Equity
Common Equity
Dividend and Distribution Reinvestment and Share Purchase Plan
Common Equity
Registered Public Offering
Retained Earnings
Beginning Balance at Dec. 31, 2015 $ 282.6     $ 237.5     $ 45.1
Net Income 27.1           27.1
Dividends on Common Shares (20.0)           (20.0)
Shares Issued Under Stock Plans 1.9     1.9      
Issuance of Common Shares 1.3     1.3      
Ending Balance at Dec. 31, 2016 292.9     240.7     52.2
Net Income 29.0           29.0
Dividends on Common Shares (20.4)           (20.4)
Shares Issued Under Stock Plans 2.1     2.1      
Issuance of Common Shares   $ 1.3 $ 31.7   $ 1.3 $ 31.7  
Ending Balance at Dec. 31, 2017 336.6     275.8     60.8
Net Income 33.0           33.0
Dividends on Common Shares (21.8)           (21.8)
Shares Issued Under Stock Plans 2.1     2.1      
Issuance of Common Shares 1.2     1.2      
Ending Balance at Dec. 31, 2018 $ 351.1     $ 279.1     $ 72.0