Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,564.2	$ 1,274.9
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,291.2	1,082.0
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	95.9	63.0
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	60.0	43.8
Other
Disaggregation of Revenue [Line Items]
Total revenues	117.1	86.1
Operating segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	658.5	570.9
Operating segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	599.1	527.0
Operating segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	31.9	20.9
Operating segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	8.1	5.8
Operating segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	19.4	17.2
Operating segments | South
Disaggregation of Revenue [Line Items]
Total revenues	341.4	295.9
Operating segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	278.6	245.4
Operating segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	31.0	23.1
Operating segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	22.0	19.6
Operating segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	9.8	7.8
Operating segments | West
Disaggregation of Revenue [Line Items]
Total revenues	140.9	96.6
Operating segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	94.1	69.1
Operating segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	19.3	11.9
Operating segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	22.3	12.5
Operating segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	5.2	3.1
Operating segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	282.9	234.7
Operating segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	256.5	216.9
Operating segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	12.5	7.0
Operating segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	7.6	5.9
Operating segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.3	4.9
Operating segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	141.5	86.3
Operating segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	62.9	23.6
Operating segments | Interactive | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Operating segments | Interactive | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Operating segments | Interactive | Other
Disaggregation of Revenue [Line Items]
Total revenues	78.6	62.7
Other
Disaggregation of Revenue [Line Items]
Total revenues	7.3	1.6
Other | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Other | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	1.2	0.1
Other | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.1	1.5
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(8.3)	(11.1)
Intersegment eliminations | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Intersegment eliminations | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Intersegment eliminations | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0
Intersegment eliminations | Other
Disaggregation of Revenue [Line Items]
Total revenues	$ (8.3)	$ (11.1)