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Nature of Business and Financial Statement Presentation (Tables) | 3 Months Ended
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Mar. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Non-cash Investing and Financing Activities | Non-cash investing and financing activities are summarized as follows (in millions):
| Three Months |
| Ended March 31, |
| 2017 |  |  | 2016 |
Accounts payable related to construction in progress | $ | 12.5 |  |  | $ | 26.6 |
Dividends declared |  | 75.4 |  |  |  | 75.0 |
Schedule of Fee and Other Income from Continuing Operations | Fee and other income was composed of the following (in millions):
| Three Months |
| Ended March 31, |
| 2017 |  |  | 2016 |
Management and other fee income | $ | 9.4 |  |  | $ | 8.2 |
Ancillary and other property income |  | 4.3 |  |  |  | 4.1 |
Lease termination fees |  | 0.2 |  |  |  | 1.2 |
Other |  | 0.1 |  |  |  | — |
Total fee and other income | $ | 14.0 |  |  | $ | 13.5 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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