Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 45,224	$ 171,228
Depreciation and amortization	156,762	148,192
Other operating activities and non-cash items	(2,821)	11,061
Changes in assets and liabilities	(23,419)	(164,303)
Net cash provided by operating activities	175,746	166,178
Cash flows from investing activities:
Payments for property, plant and equipment	(98,224)	(158,154)
Proceeds from sale of property, plant and equipment	652	416
Proceeds from foreign exchange forward contracts	20,267	1,828
Payments for foreign exchange forward contracts	(20,358)	(29,803)
Payments for short-term investments	(172,409)	(125,693)
Proceeds from sale of short-term investments	21,549	4,246
Proceeds from maturities of short-term investments	92,655	66,694
Other investing activities	164	457
Net cash used in investing activities	(155,704)	(240,009)
Cash flows from financing activities:
Proceeds from revolving credit facilities	370,000	0
Payments of revolving credit facilities	(370,000)	0
Proceeds from short-term debt	11,042	18,112
Payments of short-term debt	(5,840)	(3,790)
Proceeds from issuance of long-term debt	0	150,000
Payments of long-term debt	(35,980)	(35,973)
Payments of finance lease obligations	(15,148)	(7,538)
Payments of dividends	(18,430)	(12,228)
Other financing activities	(1,850)	653
Net cash (used in) provided by financing activities	(66,206)	109,236
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	(2,943)	(7,795)
Net (decrease) increase in cash, cash equivalents and restricted cash	(49,107)	27,610
Cash, cash equivalents and restricted cash, beginning of period	962,406	831,521
Cash, cash equivalents and restricted cash, end of period	913,299	859,131
Non-cash investing and financing activities:
Property, plant and equipment included in capital expenditures payable	177,615	268,146
Right of use assets acquired through finance lease liabilities	17,513	6,438
Right of use assets acquired through operating lease liabilities	$ 3,180	$ 27,246