Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,619.4	$ 1,625.0	$ 4,967.5	$ 4,816.1
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,252.1	1,317.5	3,869.5	3,934.3
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	104.6	101.3	309.7	297.8
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	70.7	74.2	188.9	206.0
Advertising
Disaggregation of Revenue [Line Items]
Total revenues	19.8	7.2	92.5	23.9
Retail
Disaggregation of Revenue [Line Items]
Total revenues	11.7	5.4	46.3	15.7
Other
Disaggregation of Revenue [Line Items]
Total revenues	160.5	119.4	460.6	338.4
Operating Segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	687.0	685.4	2,075.5	2,028.8
Operating Segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	610.8	616.8	1,856.6	1,837.3
Operating Segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	35.4	32.6	108.3	96.0
Operating Segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	16.9	13.0	42.9	31.4
Operating Segments | Northeast | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | Northeast | Retail
Disaggregation of Revenue [Line Items]
Total revenues	1.8	1.6	5.6	4.6
Operating Segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	22.1	21.4	62.1	59.5
Operating Segments | South
Disaggregation of Revenue [Line Items]
Total revenues	308.2	329.8	931.3	1,009.8
Operating Segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	236.8	260.0	728.0	807.6
Operating Segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	35.5	32.8	100.8	96.8
Operating Segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	25.5	26.4	72.1	74.4
Operating Segments | South | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | South | Retail
Disaggregation of Revenue [Line Items]
Total revenues	1.5	1.6	4.5	5.0
Operating Segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	8.9	9.0	25.9	26.0
Operating Segments | West
Disaggregation of Revenue [Line Items]
Total revenues	135.1	156.5	394.8	451.2
Operating Segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	94.5	102.8	281.3	295.8
Operating Segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	18.2	21.7	53.5	62.6
Operating Segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	17.5	25.7	45.5	74.4
Operating Segments | West | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | West | Retail
Disaggregation of Revenue [Line Items]
Total revenues	1.4	1.8	4.0	4.6
Operating Segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	3.5	4.5	10.5	13.8
Operating Segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	293.4	298.4	882.0	877.6
Operating Segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	260.1	268.7	787.5	792.2
Operating Segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	15.0	13.7	44.4	39.4
Operating Segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	10.8	9.1	28.4	25.8
Operating Segments | Midwest | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Operating Segments | Midwest | Retail
Disaggregation of Revenue [Line Items]
Total revenues	1.0	0.4	2.4	1.5
Operating Segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.5	6.5	19.3	18.7
Operating Segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	196.3	158.7	687.3	455.1
Tax gross up	102.6	63.0	283.4	168.7
Operating Segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	49.9	69.2	216.1	201.4
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 | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	19.8	7.2	92.5	23.9
Operating Segments | Interactive | Retail
Disaggregation of Revenue [Line Items]
Total revenues	6.0	0.0	29.8	0.0
Operating Segments | Interactive | Other
Disaggregation of Revenue [Line Items]
Total revenues	120.6	82.3	348.9	229.8
Other
Disaggregation of Revenue [Line Items]
Total revenues	4.5	4.2	16.5	17.4
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	0.5	2.7	3.0
Other | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Other | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Other | Retail
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	4.0	3.7	13.8	14.4
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(5.1)	(8.0)	(19.9)	(23.8)
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 | Advertising
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0	0.0
Intersegment eliminations | Retail
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	$ (5.1)	$ (8.0)	$ (19.9)	$ (23.8)