Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,674.8	$ 1,626.9	$ 3,348.1	$ 3,191.1
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,292.8	1,325.6	2,617.4	2,616.8
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	102.6	100.6	205.1	196.5
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	64.3	71.8	118.2	131.8
Advertising
Disaggregation of Revenue [Line Items]
Total revenues	45.5	8.5	72.7	16.7
Retail
Disaggregation of Revenue [Line Items]
Total revenues	21.2	5.5	34.6	10.3
Other
Disaggregation of Revenue [Line Items]
Total revenues	148.4	114.9	300.1	219.0
Operating Segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	688.0	684.9	1,388.5	1,343.4
Operating Segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	616.5	621.4	1,245.8	1,220.5
Operating Segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	34.6	31.5	72.9	63.4
Operating Segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	14.8	10.3	26.0	18.4
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	2.0	1.5	3.8	3.0
Operating Segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	20.1	20.2	40.0	38.1
Operating Segments | South
Disaggregation of Revenue [Line Items]
Total revenues	308.3	338.6	623.1	680.0
Operating Segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	239.1	269.0	491.2	547.6
Operating Segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	34.3	33.0	65.3	64.0
Operating Segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	25.0	26.0	46.6	48.0
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	1.8	3.0	3.4
Operating Segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	8.4	8.8	17.0	17.0
Operating Segments | West
Disaggregation of Revenue [Line Items]
Total revenues	130.0	153.8	259.7	294.7
Operating Segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	92.4	98.9	186.8	193.0
Operating Segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	18.0	21.6	35.3	40.9
Operating Segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	14.5	26.4	28.0	48.7
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	1.6	2.6	2.8
Operating Segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	3.7	5.3	7.0	9.3
Operating Segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	293.3	296.3	588.6	579.2
Operating Segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	261.5	267.0	527.4	523.5
Operating Segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	14.5	13.2	29.4	25.7
Operating Segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	10.0	9.1	17.6	16.7
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	0.8	0.6	1.4	1.1
Operating Segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.5	6.4	12.8	12.2
Operating Segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	257.5	154.9	491.0	296.4
Tax gross up	88.5	55.4	180.8	105.7
Operating Segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	83.3	69.3	166.2	132.2
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	45.5	8.5	72.7	16.7
Operating Segments | Interactive | Retail
Disaggregation of Revenue [Line Items]
Total revenues	15.5	0.0	23.8	0.0
Operating Segments | Interactive | Other
Disaggregation of Revenue [Line Items]
Total revenues	113.2	77.1	228.3	147.5
Other
Disaggregation of Revenue [Line Items]
Total revenues	6.2	5.9	12.0	13.2
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	1.2	1.3	2.2	2.5
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	5.0	4.6	9.8	10.7
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(8.5)	(7.5)	(14.8)	(15.8)
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	$ (8.5)	$ (7.5)	$ (14.8)	$ (15.8)