Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,639.2	$ 1,619.4	$ 4,909.1	$ 4,967.5
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,288.0	1,252.1	3,878.6	3,869.5
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	104.5	104.6	312.8	309.7
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	67.5	70.7	190.3	188.9
Other
Disaggregation of Revenue [Line Items]
Total revenues	179.2	192.0	527.4	599.4
Advertising | Barstool Acquisition
Disaggregation of Revenue [Line Items]
Total revenues		12.3		69.4
Retail | Barstool Acquisition
Disaggregation of Revenue [Line Items]
Total revenues		6.0		29.8
Operating Segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	684.8	687.0	2,065.8	2,075.5
Operating Segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	609.9	610.8	1,850.3	1,856.6
Operating Segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	35.8	35.4	108.5	108.3
Operating Segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	15.7	16.9	40.6	42.9
Operating Segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	23.4	23.9	66.4	67.7
Operating Segments | South
Disaggregation of Revenue [Line Items]
Total revenues	288.1	308.2	884.8	931.3
Operating Segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	220.2	236.8	684.2	728.0
Operating Segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	34.0	35.5	99.6	100.8
Operating Segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	23.6	25.5	70.2	72.1
Operating Segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	10.3	10.4	30.8	30.4
Operating Segments | West
Disaggregation of Revenue [Line Items]
Total revenues	131.8	135.1	395.9	394.8
Operating Segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	89.8	94.5	275.9	281.3
Operating Segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	18.7	18.2	55.8	53.5
Operating Segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	17.8	17.5	50.2	45.5
Operating Segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	5.5	4.9	14.0	14.5
Operating Segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	292.2	293.4	881.5	882.0
Operating Segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	259.1	260.1	784.7	787.5
Operating Segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	15.5	15.0	46.0	44.4
Operating Segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	10.4	10.8	29.3	28.4
Operating Segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	7.2	7.5	21.5	21.7
Operating Segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	244.6	196.3	684.9	687.3
Tax gross up	104.1	102.6	302.8	283.4
Operating Segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	109.0	49.9	283.5	216.1
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	135.6	146.4	401.4	471.2
Other
Disaggregation of Revenue [Line Items]
Total revenues	4.0	4.5	15.9	16.5
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	2.9	2.7
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	3.5	4.0	13.0	13.8
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(6.3)	(5.1)	(19.7)	(19.9)
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	$ (6.3)	$ (5.1)	$ (19.7)	$ (19.9)