Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income	$ 162,945	$ 66,102
Depreciation and amortization	435,667	416,517
Gain on sale of real estate	(108,109)	0
Other operating activities and non-cash items	(9,763)	(4,382)
Changes in assets and liabilities	(66,829)	13,379
Net cash provided by operating activities	413,911	491,616
Cash flows from investing activities:
Payments for property, plant and equipment	(413,974)	(481,670)
Proceeds from sale of property, plant and equipment	133,320	13,687
Acquisition of business, net of cash acquired	(43,771)	0
Other investing activities	(1,600)	(143)
Net cash used in investing activities	(326,025)	(468,126)
Cash flows from financing activities:
Proceeds from revolving credit facilities	75,000	115,000
Payments of revolving credit facilities	0	(155,000)
Proceeds from short-term debt	50,333	27,594
Payments of short-term debt	(52,068)	(36,211)
Proceeds from issuance of long-term debt	223,976	45,000
Payments of long-term debt	(398,755)	(12,955)
Payments of long-term debt, related party	(17,837)	0
Payment of deferred consideration for purchase of facility	(3,890)	0
Payments of capital lease obligations	(4,123)	(1,691)
Other financing activities	425	1,585
Net cash used in financing activities	(126,939)	(16,678)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	9,231	21,885
Net increase (decrease) in cash, cash equivalents and restricted cash	(29,822)	28,697
Cash, cash equivalents and restricted cash, beginning of period	555,495	527,348
Cash, cash equivalents and restricted cash, end of period	525,673	556,045
Non-cash investing and financing activities:
Property, plant and equipment included in capital expenditures payable	290,738	179,768
Equipment acquired through capital lease	$ 929	$ 4,908