CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS € in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Operating Activities:
Net (loss) income	$ (248,423)	$ 139,297
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	72,260	65,550
Amortization of intangibles	7,963	8,923
Gain on sale of business	0	(189,910)
Impairment of assets held for sale	86,470	0
Other impairment charges	1,140	2,188
Share-based compensation expense	4,935	6,482
Equity in earnings of affiliates, net of dividends related to earnings	6,825	668
Deferred income taxes	(29,052)	18,803
Other	2,053	2,030
Changes in operating assets and liabilities	(30,405)	(62,997)
Net cash used in operating activities	(126,234)	(8,966)
Investing activities:
Capital expenditures	(62,874)	(95,496)
Acquisition of businesses, net of cash acquired	0	(452)
Proceeds from sale of business	0	243,362
Proceeds from sale of fixed assets and other	817	2,099
Net cash (used in) provided by investing activities	(62,057)	149,513
Financing activities:
Proceeds from issuance of long-term debt, net of discount	245,000	0
Principal payments on long-term debt	(3,081)	(2,067)
Decrease in short-term debt, net	(3,042)	(47,351)
Debt issuance costs	(4,904)	0
Purchase of noncontrolling interests	0	4,797
Repurchase of common stock	0	(36,550)
Taxes withheld and paid on employees' share-based payment awards	(516)	(2,733)
Other	(807)	2,277
Net cash provided by (used in) financing activities	232,650	(91,221)
Effects of exchange rate changes on cash, cash equivalents and restricted cash	(4,036)	(2,882)
Changes in cash, cash equivalents and restricted cash	40,323	46,444
Cash, cash equivalents and restricted cash reclassified to assets held for sale	(11,278)	0
Cash, cash equivalents and restricted cash at beginning of period	361,742	267,399
Cash, cash equivalents and restricted cash at end of period	$ 390,787	$ 313,843