Segment Information (Details) $ in Millions		3 Months Ended
	Feb. 17, 2023 USD ($)	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment		5
Revenues:
Revenues		$ 1,673.3	$ 1,564.2
Adjusted EBITDAR:
Adjusted EBITDAR		478.2	494.7
Rent expense associated with triple net operating leases		(146.0)	(60.1)
Stock-based compensation		(16.5)	(17.0)
Cash-settled stock-based awards variance		2.9	2.9
Gain on disposal of assets		0.0	0.1
Contingent purchase price		(0.3)	0.1
Pre-opening expenses		0.0	(1.5)
Depreciation and amortization		(107.5)	(118.2)
Insurance recoveries, net of deductible charges		0.0	8.8
Non-operating items of equity method investments		(4.5)	(1.8)
Interest expense, net		(113.0)	(161.3)
Interest income		10.4	0.5
Gain on Barstool Acquisition, net		83.4	0.0
Gain on lease transactions		500.8	0.0
Other		(5.6)	(48.0)
Income before income taxes		682.3	99.2
Income tax expense		(167.9)	(47.6)
Net income		514.4	51.6
Equity securities, FV-NI, unrealized (loss) gain		(3.2)	(38.7)
Capital expenditures:
Capital expenditures		63.2	65.6
Assets:
Investment in and advances to unconsolidated affiliates		87.0		$ 248.6
Total assets		$ 17,040.0		17,502.1
Kansas Entertainment
Segment Reporting Information [Line Items]
Ownership interest		50.00%
Barstool Sports, Inc
Segment Reporting Information [Line Items]
Ownership interest		64.00%
Barstool Acquisition
Adjusted EBITDAR:
Business acquisition, percentage of voting interests acquired	64.00%
Gain on transaction	$ 66.5
Gain on disposal of business	$ 16.9
Operating Segments | Northeast
Revenues:
Revenues		$ 700.5	658.5
Adjusted EBITDAR:
Adjusted EBITDAR		212.9	205.2
Capital expenditures:
Capital expenditures		22.8	30.6
Assets:
Investment in and advances to unconsolidated affiliates		0.1		0.1
Total assets		1,997.8		2,231.8
Operating Segments | South
Revenues:
Revenues		314.8	341.4
Adjusted EBITDAR:
Adjusted EBITDAR		123.6	146.5
Capital expenditures:
Capital expenditures		13.7	19.7
Assets:
Investment in and advances to unconsolidated affiliates		0.0		0.0
Total assets		1,220.9		1,191.9
Operating Segments | West
Revenues:
Revenues		129.7	140.9
Adjusted EBITDAR:
Adjusted EBITDAR		49.1	51.2
Capital expenditures:
Capital expenditures		3.8	1.8
Assets:
Investment in and advances to unconsolidated affiliates		0.0		0.0
Total assets		360.7		372.4
Operating Segments | Midwest
Revenues:
Revenues		295.3	282.9
Adjusted EBITDAR:
Adjusted EBITDAR		125.6	125.5
Capital expenditures:
Capital expenditures		12.7	6.8
Assets:
Investment in and advances to unconsolidated affiliates		81.2		81.5
Total assets		1,241.0		1,305.5
Operating Segments | Interactive
Revenues:
Revenues		233.5	141.5
Adjusted EBITDAR:
Adjusted EBITDAR		(5.7)	(10.0)
Capital expenditures:
Capital expenditures		7.1	1.1
Assets:
Investment in and advances to unconsolidated affiliates		0.0		160.9
Total assets		3,197.7		4,233.7
Other
Revenues:
Revenues		5.8	7.3
Adjusted EBITDAR:
Adjusted EBITDAR		(27.3)	(23.7)
Capital expenditures:
Capital expenditures		3.1	5.6
Assets:
Investment in and advances to unconsolidated affiliates		5.7		6.1
Total assets		9,021.9		$ 8,166.8
Intersegment eliminations
Revenues:
Revenues		$ (6.3)	$ (8.3)