CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Consolidated net loss	$ (555,597)	$ (334,917)
Reconciling items:
Depreciation and amortization	293,901	317,600
Deferred taxes	3,105	(10,371)
Provision for doubtful accounts	13,662	13,337
Amortization of deferred financing charges and note discounts, net	28,323	34,540
Share-based compensation	5,481	6,866
Gain on disposal of operating and other assets	(41,823)	(223,381)
Equity in loss of nonconsolidated affiliates	2	2,043
Other reconciling items, net	(37,793)	22,902
Changes in operating assets and liabilities, net of effects of acquisitions and dispositions:
(Increase) decrease in accounts receivable	(50,132)	15,820
Increase in prepaid expenses and other current assets	(48,525)	(23,656)
Decrease in accrued expenses	(72,402)	(80,772)
Decrease in accounts payable	(30,679)	(27,157)
Increase in accrued interest	16,449	21,049
Increase in deferred income	27,286	63,709
Changes in other operating assets and liabilities	(5,632)	20,738
Net cash provided by (used for) operating activities	(454,374)	(181,650)
Cash flows from investing activities:
Purchases of other investments	(5,109)	(32,645)
Proceeds from sale of other investments	5,012	0
Purchases of property, plant and equipment	(136,620)	(123,705)
Proceeds from disposal of assets	60,254	595,840
Purchases of other operating assets	(1,961)	(2,611)
Change in other, net	(2,848)	(19)
Net cash provided by (used for) investing activities	(81,272)	436,860
Cash flows from financing activities:
Draws on credit facilities	3,125	0
Payments on credit facilities	(25,761)	(1,157)
Proceeds from long-term debt	0	800
Payments on long-term debt	(3,470)	(2,181)
Dividends and other payments to noncontrolling interests	(28,271)	(72,657)
Change in other, net	(1,202)	(1,118)
Net cash provided by (used for) financing activities	(55,579)	(76,313)
Effect of exchange rate changes on cash	6,660	278
Net increase (decrease) in cash and cash equivalents	(584,565)	179,175
Cash and cash equivalents at beginning of period	845,030	772,678
Cash and cash equivalents at end of period	260,465	951,853
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	876,000	873,701
Cash paid for taxes	$ 24,732	$ 27,756