Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 205.8	$ (99.2)
Loss from discontinued operations, net of tax	0.0	(96.1)
Net income (loss) from continuing operations	205.8	(3.1)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	77.9	66.5
Distributions from unconsolidated affiliates	77.7	12.8
Equity in income of unconsolidated affiliates	(103.0)	(13.2)
Stock-based compensation	20.4	17.3
Deferred income taxes	12.8	22.0
Asset impairments	11.2	17.5
Amortization of operating lease assets	4.3	3.7
Other	5.9	3.5
Changes in operating assets and liabilities:
Income taxes	23.8	(26.2)
Deferred revenue	(11.6)	(1.9)
Other assets and liabilities	65.8	39.7
Net cash provided by operating activities	391.0	138.6
Cash flows from investing activities:
Capital maintenance expenditures	(22.3)	(18.2)
Capital project expenditures	(29.8)	(191.9)
Other	(3.1)	(2.7)
Net cash used in investing activities	(55.2)	(212.8)
Cash flows from financing activities:
Proceeds from borrowings under long-term debt obligations	780.8	726.0
Repayments of borrowings under long-term debt obligations	(429.2)	(34.4)
Payment of dividends	(24.8)	(23.4)
Repurchase of common stock	(242.4)	(28.4)
Cash settlement of stock awards	0.0	(12.7)
Taxes paid related to net share settlement of stock awards	(12.9)	(15.1)
Debt issuance costs	(6.9)	(1.7)
Change in bank overdraft	(13.4)	0.0
Other	2.3	2.3
Net cash provided by financing activities	53.5	612.6
Cash flows from discontinued operations:
Operating activities of discontinued operations	(124.0)	(1.3)
Net increase in cash, cash equivalents and restricted cash	265.3	537.1
Cash, cash equivalents and restricted cash, beginning of period	121.0	142.5
Cash, cash equivalents and restricted cash, end of period	386.3	679.6
Supplemental disclosures of cash flow information:
Cash paid for during the period for interest	56.8	57.3
Cash paid for during the period for income taxes	47.0	1.4
Schedule of non-cash operating, investing and financing activities:
Property and equipment additions included in accounts payable and accrued expenses	6.6	10.5
Right-of-use assets obtained in exchange for lease obligations in operating leases	9.6	2.8
Repurchase of common stock included in accrued expense and other current liabilities	$ 1.5	$ 0.0