Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,625.0	$ 1,511.8	$ 4,816.1	$ 4,332.5
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,317.5	1,256.2	3,934.3	3,643.7
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	101.3	87.6	297.8	232.2
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	74.2	67.7	206.0	169.2
Other
Disaggregation of Revenue [Line Items]
Total revenues	132.0	100.3	378.0	287.4
Operating Segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	685.4	672.4	2,028.8	1,895.8
Operating Segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	616.8	616.2	1,837.3	1,745.7
Operating Segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	32.6	28.0	96.0	73.0
Operating Segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	13.0	8.2	31.4	20.7
Operating Segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	23.0	20.0	64.1	56.4
Operating Segments | South
Disaggregation of Revenue [Line Items]
Total revenues	329.8	318.2	1,009.8	982.3
Operating Segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	260.0	253.0	807.6	802.8
Operating Segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	32.8	28.7	96.8	81.2
Operating Segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	26.4	26.8	74.4	70.5
Operating Segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	10.6	9.7	31.0	27.8
Operating Segments | West
Disaggregation of Revenue [Line Items]
Total revenues	156.5	145.7	451.2	382.7
Operating Segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	102.8	96.7	295.8	262.5
Operating Segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	21.7	19.5	62.6	49.6
Operating Segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	25.7	23.9	74.4	56.3
Operating Segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.3	5.6	18.4	14.3
Operating Segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	298.4	285.7	877.6	815.2
Operating Segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	268.7	259.3	792.2	748.3
Operating Segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	13.7	11.0	39.4	27.7
Operating Segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	9.1	8.8	25.8	21.7
Operating Segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.9	6.6	20.2	17.5
Operating Segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	158.7	93.0	455.1	275.3
Tax gross up	63.0	44.0	168.7	129.5
Operating Segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	69.2	31.0	201.4	84.4
Operating Segments | Interactive | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | Interactive | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | Interactive | Other
Disaggregation of Revenue [Line Items]
Total revenues	89.5	62.0	253.7	190.9
Other
Disaggregation of Revenue [Line Items]
Total revenues	4.2	3.5	17.4	6.8
Other | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Other | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.5	0.4	3.0	0.7
Other | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	3.7	3.1	14.4	6.1
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(8.0)	(6.7)	(23.8)	(25.6)
Intersegment eliminations | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Intersegment eliminations | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Intersegment eliminations | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Intersegment eliminations | Other
Disaggregation of Revenue [Line Items]
Total revenues	$ (8.0)	$ (6.7)	$ (23.8)	$ (25.6)