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Quarterly Financial Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information |
|  | Three Months Ended |
|  | March 31, |  |  | June 30, |  |  | September 30, |  |  | December 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Total Operating Revenues |  | $ | 130.4 |  |  | $ | 152.1 |  |  | $ | 83.9 |  |  | $ | 84.4 |  |  | $ | 87.4 |  |  | $ | 85.3 |  |  | $ | 116.9 |  |  | $ | 116.4 |
Operating Income |  | $ | 27.6 |  |  | $ | 28.8 |  |  | $ | 11.1 |  |  | $ | 12.3 |  |  | $ | 7.4 |  |  | $ | 10.0 |  |  | $ | 25.3 |  |  | $ | 22.0 |
Net Income Applicable to Common |  | $ | 15.2 |  |  | $ | 26.5 |  |  | $ | 3.1 |  |  | $ | 4.0 |  |  | $ | 0.3 |  |  | $ | 2.3 |  |  | $ | 13.6 |  |  | $ | 11.4 |
|  | Per Share Data: |
Earnings Per Common Share |  | $ | 1.02 |  |  | $ | 1.78 |  |  | $ | 0.21 |  |  | $ | 0.27 |  |  | $ | 0.02 |  |  | $ | 0.15 |  |  | $ | 0.90 |  |  | $ | 0.77 |
Dividends Paid Per Common Share |  | $ | 0.375 |  |  | $ | 0.37 |  |  | $ | 0.375 |  |  | $ | 0.37 |  |  | $ | 0.375 |  |  | $ | 0.37 |  |  | $ | 0.375 |  |  | $ | 0.37 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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