Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net income	$ 319,758	$ 151,854	$ 170,358
Adjustments for items not affecting cash:
Depreciation and amortization	97,155	87,889	74,921
Share-based payments expense	41,664	31,335	16,552
Deferred income tax expense	(253)	3,859	9,152
Unrealized foreign exchange (gain) loss	(6,468)	(107)	2,453
Gain on disposition of property, plant and equipment	(170,833)	(1,436)	(1,559)
Loss on redemption of the 2021 Notes	4,792
Amortization of debt issuance costs	3,872	2,926	3,123
Amortization of right-of-use assets	19,373	12,832	12,240
Gain on contingent consideration from equity investment			(1,700)
Change in fair value of derivatives	(1,263)	1,248
Other, net	4,076	2,752	1,466
Net changes in operating assets and liabilities	151,182	24,434	(29,134)
Net cash provided by operating activities	463,055	317,586	257,872
Investing activities:
Acquisitions, net of cash acquired	(63)	(170,976)	(250,039)
Property, plant and equipment additions	(31,972)	(9,816)	(14,263)
Proceeds on disposition of property, plant and equipment	165,542	1,911	16,385
Intangible asset additions	(39,965)	(33,671)	(28,873)
Issuance of loans receivable	(22,037)	(2,622)	(9,071)
Repayment of loans receivable	5,487	1,108	3,227
Distribution from equity investment			4,212
Proceeds on contingent consideration from equity investment			1,700
Other, net	340
Net cash provided by (used in) investing activities	77,332	(214,066)	(276,722)
Financing activities:
Share repurchase			(53,170)
Dividends paid to stockholders	(115,219)	(103,797)	(91,737)
Acquisition of remaining interest in NCI		(5,556)
Dividends paid to NCI		(104)	(320)
Proceeds from exercise of options and share option plans	5,872	16,250	44,128
Payment of withholding taxes on issuance of shares	(3,955)	(9,283)	(6,656)
Net increase (decrease) in short-term debt	776	(21,608)	21,431
Proceeds from long-term debt		1,106,957
Repayment of long-term debt	(1,131,000)	(5,328)	(13,711)
Debt issue costs	(4,257)	(5,655)	(2,038)
Repayment of finance lease obligations	(10,339)	(10,968)	(9,388)
Net cash provided by (used in) financing activities	(1,258,122)	960,908	(111,461)
Effect of changes in foreign currency rates on cash, cash equivalents, and restricted cash	(18,771)	(8,871)	16,950
(Decrease) Increase	(736,506)	1,055,557	(113,361)
Beginning of period	1,362,452	306,895	420,256
Cash, cash equivalents, and restricted cash, end of period	$ 625,946	$ 1,362,452	$ 306,895