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v3.19.1

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2019
Accounting Policies [Abstract] |
Schedule of Cash and Cash Equivalents [Table Text Block] |
(In millions) | As of
| March 31, 2019 |  | December 31, 2018 |  | March 31, 2018 |  | December 31, 2017
Cash and cash equivalents | $ | 41.3 |  |  | $ | 25.7 |  |  | $ | 11.5 |  |  | $ | 8.2 |
Restricted cash and cash equivalents | 417.9 |  |  | 303.6 |  |  | 368.5 |  |  | 255.6 |
Total cash and cash equivalents and restricted cash and cash equivalents | $ | 459.2 |  |  | $ | 329.3 |  |  | $ | 380.0 |  |  | $ | 263.8 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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