CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net income	$ 127,044	$ 109,668
Depreciation and amortization	294,874	314,647
Other operating activities and non-cash items	17,966	4,784
Changes in assets and liabilities	(52,816)	(6,521)
Net cash provided by operating activities	387,068	422,578
Cash flows from investing activities:
Payments for property, plant and equipment	(262,543)	(282,309)
Proceeds from sale of property, plant and equipment	4,813	1,107
Proceeds from foreign exchange forward contracts	5,088	22,451
Payments for foreign exchange forward contracts	(43,091)	(50,170)
Payments for short-term investments	(279,526)	(355,135)
Proceeds from sale of short-term investments	30,914	47,000
Proceeds from maturities of short-term investments	263,932	193,315
Other investing activities	5,354	4,869
Net cash used in investing activities	(275,059)	(418,872)
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	11,043
Payments of short-term debt	(8,055)	(11,149)
Proceeds from long-term debt	58,727	0
Payments of long-term debt	(116,921)	(72,061)
Payments of finance lease obligations	(38,678)	(31,129)
Payments of dividends	(38,778)	(36,874)
Other financing activities	216	(1,589)
Net cash used in financing activities	(138,477)	(141,759)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	(13,724)	(16,091)
Net decrease in cash, cash equivalents and restricted cash	(40,192)	(154,144)
Cash, cash equivalents and restricted cash, beginning of period	1,120,617	962,406
Cash, cash equivalents and restricted cash, end of period	1,080,425	808,262
Non-cash investing and financing activities:
Property, plant and equipment included in capital expenditures payable	255,244	294,094
Right of use assets acquired through finance lease liabilities	68,195	26,053
Right of use assets acquired through operating lease liabilities	$ 9,373	$ 3,651