CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income (loss)	$ (374,362)	$ (103,533)
Adjustments to net income (loss):
Depreciation and amortization	227,063	210,397
Deferred income tax expense (benefit)	24,903	13,949
Impairments and other charges	265,779	82
Amortization of debt discount and deferred financing costs	8,153	7,730
Losses (gains) on debt buyback	(15,742)	(2,667)
Losses (gains) on long-lived assets, net	1,391	3,633
Losses (gains) on investments, net	5,539	(7,688)
Provision (recovery) of bad debt	10,417	(419)
Share-based compensation	9,158	8,424
Foreign currency transaction losses (gains), net	(559)	8,548
Noncontrolling interest	(17,465)	(14,176)
Other	188	212
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	(16,008)	14,914
Inventory	(1,421)	(685)
Other current assets	12,292	13,458
Other long-term assets	2,046	(23,907)
Trade accounts payable and accrued liabilities	(76,952)	(95,669)
Income taxes payable	4,475	6,107
Other long-term liabilities	(9,733)	31,144
Net cash provided by (used for) operating activities	59,162	69,854
Cash flows from investing activities:
Purchases of investments		(4,221)
Sales and maturities of investments	1,835	1,134
Cash paid for acquisition of businesses, net of cash acquired		(2,929)
Capital expenditures	(59,430)	(141,070)
Proceeds from sales of assets and insurance claims	6,822	2,642
Net cash (used for) provided by investing activities	(50,773)	(144,444)
Cash flows from financing activities:
Increase (decrease) in cash overdrafts	55
Proceeds from issuance of long-term debt	1,000,000
Reduction in long-term debt	(1,068,405)	(43,540)
Debt issuance costs	(15,737)	(35)
Proceeds from revolving credit facilities	795,000	180,000
Reduction in revolving credit facilities	(650,000)	(50,000)
Proceeds from (payments for) short-term borrowings		289
Repurchase of common and preferred shares	(13,858)
Dividends to common and preferred shareholders	(7,937)	(25,765)
Other	(1,546)	(1,493)
Net cash (used for) provided by financing activities	37,572	59,456
Effect of exchange rate changes on cash and cash equivalents	(2,219)	(2,791)
Net increase (decrease) in cash and cash equivalents and restricted cash	43,742	(17,925)
Cash and cash equivalents and restricted cash, beginning of period	442,038	451,080
Cash and cash equivalents and restricted cash, end of period	485,780	433,155
RECONCILIATION OF CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents, beginning of period	435,990	447,766
Restricted cash, beginning of period	6,048	3,314
Cash and cash equivalents and restricted cash, beginning of period	442,038	451,080
Cash and cash equivalents, end of period	480,522	429,127
Restricted cash, end of period	5,258	4,028
Cash and cash equivalents and restricted cash, end of period	$ 485,780	$ 433,155