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CONSOLIDATED STATEMENTS OF EARNINGS - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Operating Revenues    
Total Operating Revenues $ 152.1 $ 145.8
Operating Expenses    
Operation and Maintenance 18.5 17.3
Depreciation and Amortization 13.8 12.3
Taxes Other than Income Taxes 6.4 5.8
Total Operating Expenses 123.3 117.7
Operating Income 28.8 28.1
Interest Expense, Net 6.2 6.0
Other (Income) Expense, Net (12.1) 1.7
Income Before Income Taxes 34.7 20.4
Provision For Income Taxes 8.2 4.8
Net Income $ 26.5 $ 15.6
Net Income Per Common Share (Basic and Diluted) $ 1.78 $ 1.06
Weighted Average Common Shares Outstanding - (Basic and Diluted) 14.9 14.8
Gas    
Operating Revenues    
Total Operating Revenues $ 86.4 $ 87.0
Operating Expenses    
Operating Expenses 42.9 47.1
Electric    
Operating Revenues    
Total Operating Revenues 64.8 57.5
Operating Expenses    
Operating Expenses 41.7 35.2
Other    
Operating Revenues    
Total Operating Revenues $ 0.9 $ 1.3