CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Revenues
Gas	$ 87.0	$ 74.8
Electric	57.5	49.5
Other	1.3	1.7
Total Operating Revenues	145.8	126.0
Operating Expenses
Cost of Gas Sales	47.1	36.8
Cost of Electric Sales	35.2	27.5
Operation and Maintenance	17.3	16.0
Depreciation and Amortization	12.3	12.5
Taxes Other than Income Taxes	5.8	5.5
Total Operating Expenses	117.7	98.3
Operating Income	28.1	27.7
Interest Expense, net	6.0	6.0
Other Expense (Income), net	1.7	1.6
Income Before Income Taxes	20.4	20.1
Income Taxes	4.8	7.7
Net Income	$ 15.6	$ 12.4
Net Income Per Common Share (Basic and Diluted)	$ 1.06	$ 0.88
Weighted Average Common Shares Outstanding - (Basic and Diluted)	14.8	14.0
Dividends Declared Per Share of Common Stock	$ 0.365	$ 0.360