CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 404,647	$ 521,273	$ 1,339,040	$ 1,504,368
Cost of goods sold	248,771	303,455	793,334	883,327
Gross profit	155,876	217,818	545,706	621,041
Operating expenses
Selling, general and administrative	62,964	68,545	201,455	209,055
Research and development	34,068	32,787	101,911	92,226
Amortization of acquisition related intangible assets	3,808	3,938	11,476	11,780
Restructuring cost	2,566	0	2,566	0
Other operating (income) expense	(1,404)	102	(1,570)	(3,762)
Total operating expense	102,002	105,372	315,838	309,299
Income from operations	53,874	112,446	229,868	311,742
Other income (expense)
Interest income	4,507	862	8,503	2,549
Interest expense	(898)	(2,724)	(5,219)	(5,428)
Foreign currency gain (loss), net	1,314	(1,008)	(2,796)	2,532
Unrealized gain (loss) on investments	401	(2,648)	16,462	(15,960)
Other income	1,309	2,218	3,237	5,741
Total other income (expense)	6,633	(3,300)	20,187	(10,566)
Income before income taxes and noncontrolling interest	60,507	109,146	250,055	301,176
Income tax provision	10,674	20,172	44,514	55,279
Net income	49,833	88,974	205,541	245,897
Less net income attributable to noncontrolling interest	(1,113)	(2,588)	(3,651)	(6,665)
Net income attributable to common stockholders	$ 48,720	$ 86,386	$ 201,890	$ 239,232
Earnings per share attributable to common stockholders:
Basic	$ 1.06	$ 1.9	$ 4.41	$ 5.28
Diluted	$ 1.05	$ 1.88	$ 4.36	$ 5.21
Number of shares used in earnings per share computation:
Basic	45,936	45,475	45,758	45,283
Diluted	46,320	46,014	46,296	45,938