Segment Information (Details) $ in Millions			12 Months Ended
	Feb. 21, 2023 USD ($)	Feb. 17, 2023 USD ($)	Dec. 31, 2023 USD ($) segment property	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 08, 2023
Segment Reporting Information [Line Items]
Number of reportable segments | segment			5
Revenues:
Total			$ 6,362.9	$ 6,401.7	$ 5,905.0
Adjusted EBITDAR:
Adjusted EBITDAR			1,512.6	1,939.4	1,994.4
Rent expense associated with triple net operating lease			(591.1)	(149.6)	(454.4)
Stock-based compensation			(85.9)	(58.1)	(35.1)
Cash-settled stock-based awards variance			13.8	15.5	(1.2)
Loss on disposal of assets			(0.1)	(7.9)	(1.1)
Contingent purchase price			(1.9)	0.6	(1.9)
Pre-opening expenses			0.0	(4.1)	(5.4)
Depreciation and amortization			(435.1)	(567.5)	(344.5)
Impairment losses			(130.6)	(118.2)	0.0
Insurance recoveries, net of deductible charges			13.9	10.7	0.0
Non-operating items of equity method investments			(7.4)	(7.9)	(7.7)
Interest expense, net			(464.7)	(758.2)	(562.8)
Interest income			40.3	18.3	1.1
Loss on disposal of Barstool			(923.2)	0.0	0.0
Gain on Barstool Acquisition, net			83.4	0.0	0.0
Gain on REIT transactions, net	$ 500.8		500.8	0.0	0.0
Loss on early extinguishment of debt			0.0	(10.4)	0.0
Other			(24.4)	(127.3)	(42.3)
Income (loss) before income taxes			(499.6)	175.3	539.1
Income tax benefit (expense)			8.2	46.4	(118.6)
Net income (loss)			(491.4)	221.7	420.5
Corporate overhead costs			106.7	98.5	103.3
Impairment losses			130.6	118.2	0.0
Gain on transaction					29.9
Gain on disposition of business			(923.2)	0.0	0.0
Holding (losses) gains on equity securities			(6.4)	(69.9)	(24.9)
Holding loss on equity securities			6.4	69.9	24.9
Non-recurring acquisition and transaction cost			25.0	52.1	43.1
Capital expenditures:
Capital expenditures			360.0	263.4	244.1
Assets:
Investment in and advances to unconsolidated affiliates			84.9	248.6	255.1
Total assets			16,064.2	17,502.1	16,872.1
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Barstool Sports, Inc
Adjusted EBITDAR:
Disposal group, percentage of ownership interest sold						100.00%
Northeast segment
Adjusted EBITDAR:
Impairment losses			(130.6)	(116.4)
Impairment losses			130.6	116.4
Operating segments | Northeast segment
Revenues:
Total			2,738.4	2,695.9	2,552.4
Adjusted EBITDAR:
Adjusted EBITDAR			831.0	842.5	848.4
Capital expenditures:
Capital expenditures			113.7	110.6	144.8
Assets:
Investment in and advances to unconsolidated affiliates			0.0	0.1	0.1
Total assets			1,827.4	2,231.8	2,283.6
Operating segments | South segment
Revenues:
Total			1,216.4	1,314.2	1,322.2
Adjusted EBITDAR:
Adjusted EBITDAR			494.1	548.1	587.0
Capital expenditures:
Capital expenditures			93.0	70.7	39.0
Assets:
Investment in and advances to unconsolidated affiliates			0.0	0.0	0.0
Total assets			1,244.5	1,191.9	1,224.6
Operating segments | West segment
Revenues:
Total			528.5	581.9	521.4
Adjusted EBITDAR:
Adjusted EBITDAR			204.2	220.1	195.0
Capital expenditures:
Capital expenditures			30.3	11.5	8.5
Assets:
Investment in and advances to unconsolidated affiliates			0.0	0.0	0.0
Total assets			388.6	372.4	394.8
Operating segments | Midwest segment
Revenues:
Total			1,172.6	1,159.6	1,102.7
Adjusted EBITDAR:
Adjusted EBITDAR			496.6	501.2	500.1
Capital expenditures:
Capital expenditures			73.6	35.8	19.8
Assets:
Investment in and advances to unconsolidated affiliates			80.8	81.5	83.8
Total assets			1,241.1	1,305.5	1,215.8
Operating segments | Interactive
Revenues:
Total			718.8	663.1	432.9
Adjusted EBITDAR:
Adjusted EBITDAR			(402.5)	(74.9)	(35.4)
Capital expenditures:
Capital expenditures			33.2	19.7	6.3
Assets:
Investment in and advances to unconsolidated affiliates			0.0	160.9	164.4
Total assets			2,549.9	4,233.7	2,618.3
Other
Revenues:
Total			20.2	21.3	10.6
Adjusted EBITDAR:
Adjusted EBITDAR			(110.8)	(97.6)	(100.7)
Capital expenditures:
Capital expenditures			16.2	15.1	25.7
Assets:
Investment in and advances to unconsolidated affiliates			4.1	6.1	6.8
Total assets			8,812.7	8,166.8	9,135.0
Intersegment eliminations
Revenues:
Total			$ (32.0)	$ (34.3)	$ (37.2)
Barstool Acquisition
Segment Reporting Information [Line Items]
Ownership interest before acquisition		36.00%
Business acquisition, percentage of voting interests acquired		64.00%
Acquire additional		100.00%				100.00%
Adjusted EBITDAR:
Gain on transaction		$ 66.5
Gain on disposition of business		$ 16.9
Jackpot, Nevada
Segment Reporting Information [Line Items]
Number of facilities the entity owned, managed, or had ownership interests in | property			2
Number of operating segments | segment			1