Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 1,116.1	$ 1,282.6
Gaming
Disaggregation of Revenue [Line Items]
Revenues	902.9	1,034.5
Food and beverage
Disaggregation of Revenue [Line Items]
Revenues	105.1	125.2
Hotel
Disaggregation of Revenue [Line Items]
Revenues	60.6	71.4
Other
Disaggregation of Revenue [Line Items]
Revenues	47.5	51.5
Operating segments | Northeast segment
Disaggregation of Revenue [Line Items]
Revenues	520.7	550.6
Operating segments | South segment
Disaggregation of Revenue [Line Items]
Revenues	223.3	292.0
Operating segments | West segment
Disaggregation of Revenue [Line Items]
Revenues	126.6	158.6
Operating segments | Midwest segment
Disaggregation of Revenue [Line Items]
Revenues	228.1	271.2
Operating segments | Gaming | Northeast segment
Disaggregation of Revenue [Line Items]
Revenues	458.7	487.7
Operating segments | Gaming | South segment
Disaggregation of Revenue [Line Items]
Revenues	168.6	220.1
Operating segments | Gaming | West segment
Disaggregation of Revenue [Line Items]
Revenues	71.9	92.8
Operating segments | Gaming | Midwest segment
Disaggregation of Revenue [Line Items]
Revenues	196.2	233.8
Operating segments | Food and beverage | Northeast segment
Disaggregation of Revenue [Line Items]
Revenues	33.9	35.8
Operating segments | Food and beverage | South segment
Disaggregation of Revenue [Line Items]
Revenues	29.7	40.2
Operating segments | Food and beverage | West segment
Disaggregation of Revenue [Line Items]
Revenues	23.5	27.9
Operating segments | Food and beverage | Midwest segment
Disaggregation of Revenue [Line Items]
Revenues	17.8	21.0
Operating segments | Hotel | Northeast segment
Disaggregation of Revenue [Line Items]
Revenues	8.8	7.2
Operating segments | Hotel | South segment
Disaggregation of Revenue [Line Items]
Revenues	17.8	23.0
Operating segments | Hotel | West segment
Disaggregation of Revenue [Line Items]
Revenues	25.8	31.6
Operating segments | Hotel | Midwest segment
Disaggregation of Revenue [Line Items]
Revenues	8.2	9.6
Operating segments | Other | Northeast segment
Disaggregation of Revenue [Line Items]
Revenues	19.3	19.9
Operating segments | Other | South segment
Disaggregation of Revenue [Line Items]
Revenues	7.2	8.7
Operating segments | Other | West segment
Disaggregation of Revenue [Line Items]
Revenues	5.4	6.3
Operating segments | Other | Midwest segment
Disaggregation of Revenue [Line Items]
Revenues	5.9	6.8
Other
Disaggregation of Revenue [Line Items]
Revenues	20.3	10.2
Other | Gaming
Disaggregation of Revenue [Line Items]
Revenues	7.6	0.1
Other | Food and beverage
Disaggregation of Revenue [Line Items]
Revenues	0.2	0.3
Other | Hotel
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0
Other | Other
Disaggregation of Revenue [Line Items]
Revenues	12.5	9.8
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Revenues	(2.9)	0.0
Intersegment eliminations | Gaming
Disaggregation of Revenue [Line Items]
Revenues	(0.1)	0.0
Intersegment eliminations | Food and beverage
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0
Intersegment eliminations | Hotel
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0
Intersegment eliminations | Other
Disaggregation of Revenue [Line Items]
Revenues	$ (2.8)	$ 0.0