CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 249,734	$ 243,119
Depreciation and amortization	445,470	472,396
Other operating activities and non-cash items	22,558	30,717
Changes in assets and liabilities	(166,502)	(50,045)
Net cash provided by operating activities	551,260	696,187
Cash flows from investing activities:
Payments for property, plant and equipment	(458,067)	(511,654)
Proceeds from sale of property, plant and equipment	5,097	1,580
Proceeds from foreign exchange forward contracts	32,185	31,038
Payments for foreign exchange forward contracts	(58,430)	(70,251)
Payments for short-term investments	(441,851)	(491,056)
Proceeds from sale of short-term investments	44,361	71,159
Proceeds from maturities of short-term investments	367,522	267,393
Other investing activities	7,431	4,894
Net cash used in investing activities	(501,752)	(696,897)
Cash flows from financing activities:
Proceeds from revolving credit facilities	0	370,000
Payments of revolving credit facilities	0	(370,000)
Proceeds from short-term debt	5,012	20,712
Payments of short-term debt	(9,731)	(14,632)
Proceeds from long-term debt	58,727	0
Payments of long-term debt	(147,603)	(104,952)
Payments of finance lease obligations	(56,359)	(48,409)
Payments of dividends	(58,196)	(55,328)
Other financing activities	819	(1,801)
Net cash used in financing activities	(207,331)	(204,410)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	(2,868)	(17,603)
Net decrease in cash, cash equivalents and restricted cash	(160,691)	(222,723)
Cash, cash equivalents and restricted cash, beginning of period	1,120,617	962,406
Cash, cash equivalents and restricted cash, end of period	959,926	739,683
Non-cash investing and financing activities:
Property, plant and equipment included in capital expenditures payable	200,141	227,293
Right of use assets acquired through finance lease liabilities	126,045	38,510
Right of use assets acquired through operating lease liabilities	$ 26,500	$ 4,383