Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) segment	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			4
Revenues:
Revenues	$ 1,129.7	$ 1,354.5	$ 2,551.3	$ 3,960.2
Adjusted EBITDAR:
Adjusted EBITDAR	452.6	407.9	729.4	1,205.8
Rent expense associated with triple net operating leases	(109.0)	(96.3)	(310.3)	(271.0)
Stock-based compensation	(2.8)	(3.7)	(11.7)	(10.4)
Cash-settled stock-based awards variance	(39.5)	3.4	(46.7)	6.4
Gain (loss) on disposal of assets	6.0	(7.4)	33.9	(8.3)
Contingent purchase price	0.0	(1.2)	1.4	(7.0)
Pre-opening and acquisition costs	(4.8)	(7.4)	(11.5)	(15.5)
Depreciation and amortization	(87.7)	(106.3)	(275.3)	(316.4)
Impairment losses	0.0	0.0	(616.1)	0.0
Insurance recoveries, net of deductible charges	0.0	1.5	0.1	1.5
Non-operating items of equity method investments	(1.2)	(0.9)	(3.2)	(2.8)
Interest expense, net	(142.3)	(133.5)	(407.1)	(400.5)
Other	55.6	7.2	63.1	7.2
Income (loss) before income taxes	126.9	63.3	(854.0)	189.0
Income tax benefit (expense)	14.3	(19.6)	172.2	(53.0)
Net income (loss)	141.2	43.7	(681.8)	136.0
Non-recurring restructuring charges	12.4		12.4
Capital expenditures:
Capital expenditures	23.9	41.7	97.6	136.7
Assets:
Investment in and advances to unconsolidated affiliates	263.0		263.0		$ 128.3
Total assets	14,812.0		14,812.0		14,194.5
Operating segments | Northeast segment
Revenues:
Revenues	545.1	628.9	1,168.5	1,778.6
Adjusted EBITDAR:
Adjusted EBITDAR	204.8	189.1	325.7	540.1
Capital expenditures:
Capital expenditures	10.3	22.8	62.3	67.3
Assets:
Investment in and advances to unconsolidated affiliates	0.1		0.1		0.1
Total assets	1,938.2		1,938.2		2,273.7
Operating segments | South segment
Revenues:
Revenues	255.6	276.6	600.4	850.7
Adjusted EBITDAR:
Adjusted EBITDAR	120.3	89.0	217.3	279.6
Capital expenditures:
Capital expenditures	3.1	5.0	10.9	21.5
Assets:
Investment in and advances to unconsolidated affiliates	0.0		0.0		0.0
Total assets	1,169.0		1,169.0		1,397.0
Operating segments | West segment
Revenues:
Revenues	78.7	161.5	223.0	484.4
Adjusted EBITDAR:
Adjusted EBITDAR	33.6	50.6	55.2	151.0
Capital expenditures:
Capital expenditures	1.4	3.7	5.5	17.8
Assets:
Investment in and advances to unconsolidated affiliates	0.0		0.0		0.0
Total assets	385.9		385.9		752.1
Operating segments | Midwest segment
Revenues:
Revenues	229.1	275.8	493.2	815.3
Adjusted EBITDAR:
Adjusted EBITDAR	108.5	104.3	173.4	301.3
Capital expenditures:
Capital expenditures	4.8	6.2	9.7	22.6
Assets:
Investment in and advances to unconsolidated affiliates	84.8		84.8		90.9
Total assets	1,170.0		1,170.0		1,412.2
Other
Revenues:
Revenues	23.7	12.4	71.6	31.9
Adjusted EBITDAR:
Adjusted EBITDAR	(14.6)	(25.0)	(42.2)	(66.1)
Capital expenditures:
Capital expenditures	4.3	4.0	9.2	7.5
Assets:
Investment in and advances to unconsolidated affiliates	178.1		178.1		37.3
Total assets	10,148.9		10,148.9		$ 8,359.5
Intersegment eliminations
Revenues:
Revenues	(2.5)	(0.7)	(5.4)	(0.7)
Adjusted EBITDAR:
Adjusted EBITDAR	$ 0.0	$ (0.1)	$ 0.0	$ (0.1)