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CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) $ in Thousands, shares in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Revenues: |  |  |
Gas | $ 181,200 | $ 202,600 | $ 201,400
Electric | 196,100 | 218,000 | 218,700
Other | 6,100 | 6,200 | 5,700
Total Operating Revenues | 383,400 | 426,800 | 425,800
Operating Expenses: |  |  |
Cost of Gas Sales | 77,600 | 100,700 | 104,000
Cost of Electric Sales | 108,000 | 132,500 | 137,900
Operation and Maintenance | 66,300 | 67,100 | 64,600
Depreciation and Amortization | 46,600 | 45,700 | 42,100
Taxes Other Than Income Taxes | 19,600 | 17,700 | 17,200
Total Operating Expenses | 318,100 | 363,700 | 365,800
Operating Income | 65,300 | 63,100 | 60,000
Interest Expense, net | 22,500 | 21,900 | 20,900
Other Expense (Income), net | 300 | (500) | 400
Income Before Income Taxes | 42,500 | 41,700 | 38,700
Income Taxes | 15,354 | 15,443 | 13,995
Net Income Applicable to Common Shares | $ 27,100 | $ 26,300 | $ 24,700
Earnings per Common Share-Basic and Diluted | $ 1.94 | $ 1.89 | $ 1.79
Weighted Average Common Shares Outstanding-(Basic and Diluted) | 14.0 | 13.9 | 13.8

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