Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 36.1	$ (23.5)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	26.0	22.0
Distributions from unconsolidated affiliates	22.0	1.3
Equity in (income) loss of unconsolidated affiliates	(24.9)	3.3
Stock-based compensation	5.5	4.3
Deferred income taxes	5.7	(1.9)
Impairment of intangible assets	0.0	17.5
Amortization of operating lease assets	0.2	1.2
Other	1.2	0.9
Changes in operating assets and liabilities:
Income taxes	9.2	(10.7)
Deferred revenue	21.0	53.4
Current liabilities of discontinued operations	(124.0)	0.0
Other assets and liabilities	2.2	(24.3)
Net cash (used in) provided by operating activities	(19.8)	43.5
Cash flows from investing activities:
Capital maintenance expenditures	(4.7)	(9.0)
Capital project expenditures	(7.6)	(39.3)
Net cash used in investing activities	(12.3)	(48.3)
Cash flows from financing activities:
Proceeds from borrowings under long-term debt obligations	780.8	719.8
Repayments of borrowings under long-term debt obligations	(425.7)	(32.4)
Payment of dividends	(24.8)	(23.4)
Repurchase of common stock	(193.9)	(28.4)
Cash settlement of stock awards	0.0	(12.7)
Taxes paid related to net share settlement of stock awards	(12.6)	(15.1)
Debt issuance costs	(5.8)	(0.9)
Change in bank overdraft	(12.8)	0.0
Other	1.6	(0.1)
Net cash provided by financing activities	106.8	606.8
Net increase in cash, cash equivalents and restricted cash	74.7	602.0
Cash, cash equivalents and restricted cash, beginning of period	121.0	142.5
Cash, cash equivalents and restricted cash, end of period	195.7	744.5
Supplemental disclosures of cash flow information:
Cash paid for during the period for interest	15.4	16.6
Cash paid for during the period for income taxes	0.1	0.5
Schedule of non-cash investing and financing activities:
Property and equipment additions included in accounts payable and accrued expenses	$ 4.2	$ 36.5