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Effect of New Accounting Pronouncements (Tables) | 6 Months Ended
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Jun. 30, 2018
Accounting Changes and Error Corrections [Abstract] |
Summary of Cash, Cash Equivalents and Restricted Cash | The following is a reconciliation of our June 30 cash, cash equivalents and restricted cash balances as presented in the consolidated statement of cash flows for the six-month periods ended June 30, 2018 and 2017 (in millions):
|  | June 30, |
|  | 2018 |  |  | 2017 |
Cash and cash equivalents |  | $ | 652.2 |  |  | $ | 587.8 |
Restricted cash |  |  | 1,692.5 |  |  |  | 1,481.1 |
Total cash, cash equivalents and restricted cash |  | $ | 2,344.7 |  |  | $ | 2,068.9 |

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