CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities
Net income	$ 155,708	$ 156,923
Adjustments to reconcile net income to net cash provided by operating activities, net of effects of acquisitions
Depreciation	60,211	52,047
Amortization of intangible assets	7,668	7,842
Share-based compensation expense	17,467	16,513
Deferred income taxes	(298)	(2,415)
Investment (gain) loss	(16,003)	13,197
Gain on disposal of property, plant and equipment	(151)	(3,756)
Other	(414)	(2,145)
Changes in operating assets:
Change in accounts receivable	(24,810)	(50,368)
Change in inventory	32,588	(35,119)
Change in other operating assets	(29,689)	(25,083)
Changes in operating liabilities:
Change in accounts payable	(6,992)	5,404
Change in accrued liabilities	(11,779)	17,790
Change in income tax payable	7,181	11,988
Change in other operating liabilities	1,741	(5,479)
Net cash flows provided by operating activities	192,428	157,339
Cash flows from investing activities
Acquisitions, net of cash received	0	(85,692)
Purchases of property, plant and equipment	(84,989)	(78,105)
Proceeds from sale of property, plant and equipment	362	89
Proceeds from short-term investments	1,933	3,819
Purchases of short-term investments	(4,094)	(6,708)
Purchases of securities	(13,900)	(4,051)
Proceeds from sales of securities	417	2
Other	2,780	6,078
Net cash and cash equivalents used in investing activities	(97,491)	(164,568)
Cash flows from financing activities
Advances on lines of credit and short-term debt	9,796	45,214
Repayments of lines of credit and short-term debt	(11,902)	(35,382)
Proceeds from long-term debt	10,193	184,718
Repayments of long-term debt	(103,251)	(227,078)
Net proceeds from issuance of common stock	0	140
Repayment of and proceeds from finance lease obligation	(23)	(12)
Taxes paid related to net share settlement	(10,647)	(8,864)
Net changes in noncontrolling interest	107	2,701
Other	(932)	(227)
Net cash and cash equivalents used in financing activities	(106,659)	(38,790)
Effect of exchange rate changes on cash and cash equivalents	(4,641)	(13,252)
Change in cash and cash equivalents, including restricted cash	(16,363)	(59,271)
Cash and cash equivalents, beginning of period, including restricted cash	341,099	366,818
Cash and cash equivalents, end of period, including restricted cash	324,736	307,547
Supplemental Cash Flow Information
Interest paid during the period	3,378	2,226
Taxes paid during the period	63,137	29,674
Non-cash investing and financing activities:
Accounts payable balance related to the purchase of property, plant and equipment	23,674	30,286
Dividend payable to noncontrolling interest	$ 3,771	$ 3,657