| **Segment Information - Equity in Earnings of Unconsolidated Investments (Details) - USD ($) $ in Millions** | 3 Months Ended | 6 Months Ended |
|--------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Segment Reporting, Other Significant Reconciling Item [Line Items]**                                       |           |           |   |   |
| Equity in income (loss) of unconsolidated investments                                                        | $ 40.5         | $ 36.4         | $ 73.0 | $ 61.3 |
| Gaming                                                                                                       |           |           |   |   |
| **Segment Reporting, Other Significant Reconciling Item [Line Items]**                                       |           |           |   |   |
| Equity in income (loss) of unconsolidated investments                                                        | $ 40.5         | $ 36.4         | $ 73.0 | $ 61.3 |

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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of income (loss) for proportionate share of equity method investee's income (loss).
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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