CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Operating activities
Net income (loss)	$ 123.2	$ 86.1	$ 200.9	$ 375.7
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	148.7	83.7	417.2	246.9
Amortization of debt discount and debt issuance costs			7.0	16.9
Noncash interest expense			20.0	12.1
Noncash operating lease expense			67.8	117.1
Gain on acquisition of Sam Houston			0.0	(29.9)
Holding loss (gain) on equity securities			66.4	(8.7)
Loss on sale or disposal of property and equipment	(0.2)	0.3	7.0	0.1
Gain on Hurricane Laura			(10.7)	0.0
Income from unconsolidated affiliates	(6.6)	(9.1)	(17.1)	(27.8)
Return on investment from unconsolidated affiliates			27.5	23.9
Deferred income taxes			(146.1)	19.4
Stock-based compensation	13.6	8.5	45.1	21.9
Impairment losses	104.6	0.0	104.6	0.0	$ 0.0	$ 623.4
Loss on early extinguishment of debt			10.4	0.0
Changes in operating assets and liabilities, net of businesses acquired
Accounts receivable			9.1	(57.3)
Prepaid expenses and other current assets			(24.5)	(21.8)
Other assets			10.7	(3.9)
Accounts payable			(12.6)	(1.2)
Accrued expenses			19.0	131.6
Income taxes			19.3	11.1
Operating lease liabilities			(63.6)	(97.6)
Other current and long-term liabilities			(10.0)	47.4
Other			12.6	3.1
Net cash provided by operating activities			760.0	779.0
Investing activities
Capital expenditures			(189.6)	(137.8)
Proceeds from sale of property and equipment			4.9	0.7
Hurricane Laura insurance proceeds			25.4	0.0
Consideration paid for acquisitions of businesses, net of cash acquired			0.0	(34.4)
Consideration paid for remaining interest of Sam Houston			0.0	(42.0)
Acquisition of equity securities			0.0	(26.0)
Consideration paid for a cost method investment			(15.0)	0.0
Consideration paid for gaming licenses and other intangible assets			(4.1)	(20.6)
Other			(1.6)	(9.4)
Net cash used in investing activities			(180.0)	(269.5)
Financing activities
Proceeds from issuance of long-term debt, net of discounts			1,545.0	400.0
Repayments on credit facilities (Note 8)			(1,543.2)	0.0
Principal payments on long-term debt			(29.9)	(48.3)
Debt issuance costs			(18.2)	(7.5)
Proceeds from other long-term obligations			0.0	72.5
Payments of other long-term obligations			(9.2)	(8.6)
Principal payments on financing obligations			(47.5)	(26.8)
Principal payments on finance leases			(81.9)	(6.1)
Proceeds from exercise of options			3.1	8.8
Repurchase of common stock			(510.1)	0.0
Proceeds from insurance financing			0.0	26.6
Payments on insurance financing			0.0	(25.6)
Other			(13.3)	(9.8)
Net cash (used in) provided by financing activities			(705.2)	375.2
Effect of currency rate changes on cash, cash equivalents, and restricted cash			(2.0)	0.0
Change in cash, cash equivalents, and restricted cash			(127.2)	884.7
Cash, cash equivalents and restricted cash at the beginning of the year			1,880.1	1,870.4	1,870.4
Cash, cash equivalents and restricted cash at the end of the period	1,752.9	2,755.1	1,752.9	2,755.1	1,880.1	1,870.4
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	1,728.4	2,729.3	1,728.4	2,729.3	1,863.9
Restricted cash included in Other current assets	23.3	24.6	23.3	24.6
Restricted cash included in Other assets	1.2	1.2	1.2	1.2
Total cash, cash equivalents and restricted cash	$ 1,752.9	$ 2,755.1	1,752.9	2,755.1	$ 1,880.1	$ 1,870.4
Supplemental disclosure:
Cash paid for interest, net of amounts capitalized			535.2	418.9
Cash payments related to income taxes, net			46.3	75.6
Non-cash activities:
Commencement of operating leases			39.4	31.6
Commencement of finance leases			1,417.3	102.9
Accrued capital expenditures			$ 28.7	$ 25.0