Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ (392,386)	$ (60,009)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization, including goodwill impairment	394,894	102,790
Impairment of Intangible Assets, Finite-lived	68,763	0
Deferred income tax provision (benefit)	(8,528)	(3,686)
Inventory Write-down	0	0
Net loss (gain) on sales of property and equipment and cost method investment	621	(1,592)
Noncash compensation	6,303	5,835
Other Noncash Income (Expense)	(2,981)	0
Increase (Decrease) in Accounts Receivable	(63,724)	(53,913)
Excluding the effects of acquisitions, increase (decrease) in cash from:
Inventory	14,297	(18,687)
Proceeds from Sale of Debt Securities, Available-for-sale	12,840	0
Other operating assets	(1,061)	11,868
Currency translation effect on working capital, excluding cash	(2,508)	2,005
Current liabilities	(135,019)	(18,669)
Other operating liabilities	(13,591)	(1,059)
Total adjustments to net income (loss)	397,754	132,718
Net Cash Provided by (Used in) Operating Activities	5,368	72,709
Cash Flows from Investing Activities:
Purchases of property and equipment	(37,860)	(70,862)
Distributions of capital from unconsolidated affiliates	1,206	1,064
Net Cash Provided by (Used in) Investing Activities	(35,317)	(68,119)
Cash Flows from Financing Activities:
Other financing activities	0	(2,682)
Net Cash Provided by (Used in) Financing Activities	(1,947)	(2,682)
Effect of exchange rates on cash	(8,250)	(329)
Net Increase (Decrease) in Cash and Cash Equivalents	(40,146)	1,579
Cash and Cash Equivalents—Beginning of Period	373,655	354,259
Cash and Cash Equivalents—End of Period	$ 333,509	$ 355,838