Revenue Disaggregation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 1,626.9	$ 1,545.8	$ 3,191.1	$ 2,820.7
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,325.6	1,305.5	2,616.8	2,387.5
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	100.6	81.6	196.5	144.6
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	71.8	57.7	131.8	101.5
Other
Disaggregation of Revenue [Line Items]
Total revenues	128.9	101.0	246.0	187.1
Operating segments | Northeast
Disaggregation of Revenue [Line Items]
Total revenues	684.9	652.5	1,343.4	1,223.4
Operating segments | Northeast | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	621.4	602.5	1,220.5	1,129.5
Operating segments | Northeast | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	31.5	24.1	63.4	45.0
Operating segments | Northeast | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	10.3	6.7	18.4	12.5
Operating segments | Northeast | Other
Disaggregation of Revenue [Line Items]
Total revenues	21.7	19.2	41.1	36.4
Operating segments | South
Disaggregation of Revenue [Line Items]
Total revenues	338.6	368.2	680.0	664.1
Operating segments | South | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	269.0	304.4	547.6	549.8
Operating segments | South | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	33.0	29.4	64.0	52.5
Operating segments | South | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	26.0	24.1	48.0	43.7
Operating segments | South | Other
Disaggregation of Revenue [Line Items]
Total revenues	10.6	10.3	20.4	18.1
Operating segments | West
Disaggregation of Revenue [Line Items]
Total revenues	153.8	140.4	294.7	237.0
Operating segments | West | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	98.9	96.7	193.0	165.8
Operating segments | West | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	21.6	18.2	40.9	30.1
Operating segments | West | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	26.4	19.9	48.7	32.4
Operating segments | West | Other
Disaggregation of Revenue [Line Items]
Total revenues	6.9	5.6	12.1	8.7
Operating segments | Midwest
Disaggregation of Revenue [Line Items]
Total revenues	296.3	294.8	579.2	529.5
Operating segments | Midwest | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	267.0	272.1	523.5	489.0
Operating segments | Midwest | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	13.2	9.7	25.7	16.7
Operating segments | Midwest | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	9.1	7.0	16.7	12.9
Operating segments | Midwest | Other
Disaggregation of Revenue [Line Items]
Total revenues	7.0	6.0	13.3	10.9
Operating segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	154.9	96.0	296.4	182.3
Operating segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	69.3	29.8	132.2	53.4
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	85.6	66.2	164.2	128.9
Other
Disaggregation of Revenue [Line Items]
Total revenues	5.9	1.7	13.2	3.3
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	1.3	0.2	2.5	0.3
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	4.6	1.5	10.7	3.0
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(7.5)	(7.8)	(15.8)	(18.9)
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	$ (7.5)	$ (7.8)	$ (15.8)	$ (18.9)