Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 439.4	$ 249.1	$ (82.1)
Loss from discontinued operations, net of tax	0.0	0.0	(95.4)
Income from continuing operations, net of tax	439.4	249.1	13.3
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	113.7	103.2	92.9
Equity in income of unconsolidated affiliates	(152.7)	(143.2)	(27.7)
Distributions from unconsolidated affiliates	156.9	109.4	30.7
Stock-based compensation	31.8	27.8	23.7
Deferred income taxes	108.7	9.8	30.1
Asset impairments	38.3	15.3	17.5
Amortization of operating lease assets	5.3	5.3	5.0
Gain on Calder land sale	(274.6)	0.0	0.0
Other	7.4	5.3	4.5
Changes in operating assets and liabilities, net of businesses acquired and dispositions:
Income taxes	28.2	12.9	(34.6)
Deferred revenue	(12.7)	10.7	(8.3)
Other assets and liabilities	21.1	53.9	(3.9)
Net cash provided by operating activities	510.8	459.5	143.2
Cash flows from investing activities:
Capital maintenance expenditures	(50.2)	(39.5)	(23.0)
Capital project expenditures	(373.3)	(52.3)	(211.2)
Acquisition of businesses, net of cash acquired	(2,918.5)	0.0	0.0
Acquisition of gaming rights, net of cash acquired	(33.3)	0.0	0.0
Proceeds from the Calder land sale	279.0	0.0	0.0
Other	(7.4)	(8.6)	(5.2)
Net cash used in investing activities	(3,103.7)	(100.4)	(239.4)
Cash flows from financing activities:
Proceeds from borrowings under long-term debt obligations	2,862.4	780.8	726.1
Repayments of borrowings under long-term debt obligations	(205.4)	(430.9)	(580.4)
Payment of dividends	(26.0)	(24.8)	(23.4)
Repurchase of common stock	(174.9)	(297.5)	(28.4)
Cash settlement of stock awards	0.0	0.0	(12.7)
Taxes paid related to net share settlement of stock awards	(28.4)	(12.9)	(18.7)
Debt issuance costs	(27.3)	(6.9)	(2.0)
Change in bank overdraft	13.3	(10.5)	13.4
Other	2.3	2.2	2.1
Net cash provided by (used in) financing activities	2,416.0	(0.5)	76.0
Cash flows from discontinued operations:
Operating cash flows of discontinued operations	26.0	(124.0)	(1.3)
Net (decrease) increase in cash, cash equivalents and restricted cash	(150.9)	234.6	(21.5)
Cash, cash equivalents and restricted cash, beginning of year	355.6	121.0	142.5
Cash, cash equivalents and restricted cash, end of year	204.7	355.6	121.0
Supplemental disclosures of cash flow information:
Interest	133.6	77.5	79.6
Cash paid for income taxes	68.6	72.4	1.6
Cash received from income tax refunds	61.6	0.0	0.0
Schedule of non-cash investing and financing activities:
Dividends payable	27.0	27.0	25.8
Deferred payment on gaming rights included in accounts payable and accrued expenses	50.6	0.0	0.0
Property and equipment additions included in accounts payable and accrued expense and other current liabilities	51.3	18.7	12.9
Repurchase of common stock in payment of income taxes on stock-based compensation included in accrued expense and other current liabilities	$ 1.7	$ 3.2	$ 0.0