CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net loss	$ (352.4)	$ (242.3)	$ (353.7)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation, amortization and impairments	689.7	682.8	738.7
Goodwill impairment	0.0	0.0	69.0
Change in deferred income taxes	(33.3)	(5.7)	(164.6)
Stock-based compensation	43.9	27.2	35.3
Non-cash interest expense	25.4	21.2	40.4
Earnings from equity investments, net	(24.9)	(26.7)	(13.0)
Distributed earnings from equity investments	32.8	33.2	26.4
(Gain) loss on sale of assets and other, net	(16.3)	0.9	(2.8)
Loss (gain) on debt financing transactions	93.2	38.1	(25.2)
Gain on remeasurement of debt	(43.4)	0.0	0.0
Contingent acquisition consideration fair value adjustment	28.7	0.0	0.0
Changes in current assets and liabilities, net of effects of acquisitions:
Accounts and notes receivable, net	31.8	(48.0)	30.0
Inventories	23.7	(2.2)	2.5
Other current assets and liabilities	(27.0)	(35.9)	21.3
Accounts payable and accrued liabilities	(125.8)	64.5	14.7
Net cash provided by operating activities	346.1	507.1	419.0
Cash flows from investing activities:
Capital expenditures	(390.8)	(293.7)	(272.9)
Acquisitions of businesses and assets, net of cash acquired	(296.6)	(57.7)	0.0
Proceeds from asset sales	40.0	7.5	16.7
Acquisitions and additions to equity method investments	(180.4)	(107.3)	(1.2)
Distributions of capital from equity investments	29.7	34.1	25.3
Changes in other assets and liabilities and other	0.0	2.5	4.1
Net cash (used in) provided by investing activities	(798.1)	(414.6)	(228.0)
Cash flows from financing activities:
Borrowings under revolving credit facility	560.0	475.0	360.0
Repayments under revolving credit facility	(585.0)	(170.0)	(410.0)
Proceeds from issuance of long-term debt	2,512.4	2,112.4	0.0
Repayment of assumed NYX and other acquisitions debt	(290.1)	0.0	0.0
Payments on long-term debt	(38.9)	(23.0)	(49.8)
Repayments of senior notes and term loans (including redemption premium)	(2,210.3)	(1,693.4)	(39.9)
Payments of debt issuance and deferred financing costs	(38.5)	(58.7)	0.0
Payments on license obligations	(44.9)	(52.6)	(50.2)
Net redemptions of common stock under stock-based compensation plans and other	(20.9)	(9.5)	(6.1)
Net cash (used in) provided by financing activities	(156.2)	580.2	(196.0)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(5.9)	4.5	(4.9)
(Decrease) increase in cash, cash equivalents and restricted cash	(614.1)	677.2	(9.9)
Cash, cash equivalents and restricted cash, beginning of period	834.1	156.9	166.8
Cash, cash equivalents and restricted cash, end of period	220.0	834.1	156.9
Supplemental cash flow information:
Cash paid for interest	633.0	575.0	621.5
Income taxes paid	32.9	37.8	21.9
Non-cash investing and financing transactions:
Non-cash rollover and refinancing of Term loans (see Note 16)	3,274.6	6,030.4	0.0
Non-cash additions to intangible assets related to license agreements	137.5	26.0	78.3
NYX non-cash consideration transferred (including 2017 acquisition of ordinary shares) (see Note 9)	$ 93.2	$ 0.0	$ 0.0