Revenue Disaggregation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,905.0	$ 3,578.7	$ 5,301.4
Gaming
Disaggregation of Revenue [Line Items]
Total revenues	4,945.3	3,051.1	4,268.7
Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	323.3	224.4	512.0
Hotel
Disaggregation of Revenue [Line Items]
Total revenues	231.1	146.8	311.0
Other
Disaggregation of Revenue [Line Items]
Total revenues	405.3	156.4	209.7
Operating segments | Northeast segment
Disaggregation of Revenue [Line Items]
Total revenues	2,552.4	1,639.3	2,399.9
Operating segments | Northeast segment | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	2,344.2	1,495.1	2,117.1
Operating segments | Northeast segment | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	103.3	68.9	155.1
Operating segments | Northeast segment | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	28.1	17.4	43.5
Operating segments | Northeast segment | Other
Disaggregation of Revenue [Line Items]
Total revenues	76.8	57.9	84.2
Operating segments | South segment
Disaggregation of Revenue [Line Items]
Total revenues	1,322.2	849.6	1,118.9
Operating segments | South segment | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,080.4	684.0	831.1
Operating segments | South segment | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	110.6	76.9	154.1
Operating segments | South segment | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	93.3	64.3	98.2
Operating segments | South segment | Other
Disaggregation of Revenue [Line Items]
Total revenues	37.9	24.4	35.5
Operating segments | West segment
Disaggregation of Revenue [Line Items]
Total revenues	521.4	302.5	642.5
Operating segments | West segment | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	352.7	194.2	374.3
Operating segments | West segment | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	69.0	46.0	116.7
Operating segments | West segment | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	80.1	46.4	125.9
Operating segments | West segment | Other
Disaggregation of Revenue [Line Items]
Total revenues	19.6	15.9	25.6
Operating segments | Midwest segment
Disaggregation of Revenue [Line Items]
Total revenues	1,102.7	681.4	1,094.5
Operating segments | Midwest segment | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	1,009.6	615.2	938.1
Operating segments | Midwest segment | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	39.4	32.0	84.7
Operating segments | Midwest segment | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	29.6	18.7	43.4
Operating segments | Midwest segment | Other
Disaggregation of Revenue [Line Items]
Total revenues	24.1	15.5	28.3
Operating segments | Interactive
Disaggregation of Revenue [Line Items]
Total revenues	432.9	121.1	38.3
Operating segments | Interactive | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	158.4	62.4	7.8
Operating segments | Interactive | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0
Operating segments | Interactive | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0
Operating segments | Interactive | Other
Disaggregation of Revenue [Line Items]
Total revenues	274.5	58.7	30.5
Other
Disaggregation of Revenue [Line Items]
Total revenues	10.6	3.9	9.2
Other | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.3	1.0
Other | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	1.0	0.6	1.4
Other | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0
Other | Other
Disaggregation of Revenue [Line Items]
Total revenues	9.6	3.0	6.8
Intersegment eliminations
Disaggregation of Revenue [Line Items]
Total revenues	(37.2)	(19.1)	(1.9)
Intersegment eliminations | Gaming
Disaggregation of Revenue [Line Items]
Total revenues	0.0	(0.1)	(0.7)
Intersegment eliminations | Food and beverage
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0
Intersegment eliminations | Hotel
Disaggregation of Revenue [Line Items]
Total revenues	0.0	0.0	0.0
Intersegment eliminations | Other
Disaggregation of Revenue [Line Items]
Total revenues	$ (37.2)	$ (19.0)	$ (1.2)