Segment Information - Equity in Earnings of Unconsolidated Investments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Segment Reporting, Other Significant Reconciling Item [Line Items]
Equity in income of unconsolidated investments	$ (3.3)	$ 4.1
Gaming
Segment Reporting, Other Significant Reconciling Item [Line Items]
Equity in income of unconsolidated investments	$ (3.3)	$ 4.1

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration