CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss	$ (242.9)	$ (1,266.8)
Adjustments to reconcile net loss to cash provided by operating activities:
Depreciation, amortization and impairments	565.4	692.9
Change in deferred income taxes	(100.7)	(223.3)
Stock-based compensation	23.5	19.5
Non-cash interest expense	30.3	29.0
Earnings from equity investments, net	(18.5)	(9.4)
Distributed earnings from equity investments	16.7	20.9
Gain on early extinguishment of debt	(25.2)	0.0
Goodwill impairment	0.0	935.0
Changes in current assets and liabilities:
Accounts and notes receivable, net	53.5	43.7
Inventories	(30.3)	36.8
Other current assets and liabilities	17.8	11.8
Accounts payable	4.1	(17.7)
Accrued liabilities	51.2	(17.4)
Other, net	(2.1)	0.5
Net cash provided by operating activities	342.8	255.5
Cash flows from investing activities:
Capital expenditures	(214.4)	(233.6)
Proceeds from asset sales	3.1	0.0
Changes in other assets and liabilities and other	3.0	10.1
Restricted cash	(3.5)	9.3
Distributions of capital on equity investments	24.0	37.0
Net cash (used in) provided by investing activities	(187.8)	(177.2)
Cash flows from financing activities:
Borrowings under revolving credit facility	270.0	110.0
Repayments under revolving credit facility	(315.0)	(180.0)
Payments on long-term debt	(37.6)	(38.8)
Repurchase of notes	(39.9)	0.0
Payments on license obligations	(34.5)	(32.0)
Contingent earnout payments	0.0	(0.5)
(Redemptions) issuance of common stock under stock-based compensation plans	(4.7)	0.4
Net cash provided by (used in) financing activities	(161.7)	(140.9)
Effect of exchange rate changes on cash and cash equivalents	(1.1)	(7.1)
Decrease in cash and cash equivalents	(7.8)	(69.7)
Cash and cash equivalents, beginning of period	128.7	171.8
Cash and cash equivalents, end of period	120.9	102.1
Supplemental cash flow information:
Interest paid	433.5	424.4
Income taxes paid (received)	9.8	(9.1)
Non-cash investing and financing transactions:
Disposal of fully depreciated assets	38.9	59.9
Non-cash additions to intangible assets related to license agreements	$ 91.3	$ 9.1