Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 603,154	$ 428,324
Depreciation and amortization	455,679	420,970
Other operating activities and non-cash items	(20,396)	22,222
Changes in assets and liabilities	(492,673)	(239,897)
Net cash provided by operating activities	545,764	631,619
Cash flows from investing activities:
Payments for property, plant and equipment	(575,502)	(491,425)
Proceeds from sale of property, plant and equipment	2,691	2,722
Proceeds from foreign exchange forward contracts	6,763	13,414
Payments for foreign exchange forward contracts	(95,789)	(51,296)
Payments for short-term investments	(364,274)	(348,822)
Proceeds from sale of short-term investments	26,202	70,085
Proceeds from maturities of short-term investments	274,452	165,774
Other investing activities	2,241	3,179
Net cash used in investing activities	(723,216)	(636,369)
Cash flows from financing activities:
Proceeds from revolving credit facilities	80,000	0
Payments of revolving credit facilities	(80,000)	0
Proceeds from short-term debt	29,711	15,514
Payments of short-term debt	(21,662)	(14,228)
Proceeds from issuance of long-term debt	250,000	154,784
Payments of long-term debt	(183,493)	(250,402)
Payments of finance lease obligations	(26,938)	(12,785)
Payments of dividends	(36,725)	(38,993)
Other financing activities	(4,152)	9,462
Net cash provided by (used in) financing activities	6,741	(136,648)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	(33,491)	(10,770)
Net decrease in cash, cash equivalents and restricted cash	(204,202)	(152,168)
Cash, cash equivalents and restricted cash, beginning of period	831,521	702,197
Cash, cash equivalents and restricted cash, end of period	627,319	550,029
Non-cash investing and financing activities:
Property, plant and equipment included in capital expenditures payable	270,476	393,781
Right of use assets acquired through finance lease liabilities	52,815	58,625
Right of use assets acquired through operating lease liabilities	$ 46,178	$ 39,916