CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Net sales	$ 467,152	$ 500,972	$ 934,393	$ 983,095
Cost of goods sold	271,776	294,446	544,563	579,872
Gross profit	195,376	206,526	389,830	403,223
Operating expenses
Selling, general and administrative	67,500	69,067	138,491	140,510
Research and development	34,611	30,762	67,843	59,439
Amortization of acquisition related intangible assets	3,816	3,980	7,668	7,842
Other operating income	(118)	(3,521)	(166)	(3,864)
Total operating expense	105,809	100,288	213,836	203,927
Income from operations	89,567	106,238	175,994	199,296
Other income (expense)
Interest income	2,224	861	3,996	1,687
Interest expense	(2,189)	(1,590)	(4,321)	(2,704)
Foreign currency (loss) gain, net	(2,217)	1,819	(4,110)	3,540
Unrealized gain (loss) on investments	12,172	(7,764)	16,061	(13,312)
Other income	1,398	1,647	1,928	3,523
Total other income (expense)	11,388	(5,027)	13,554	(7,266)
Income before income taxes and noncontrolling interest	100,955	101,211	189,548	192,030
Income tax provision	17,224	18,461	33,840	35,107
Net income	83,731	82,750	155,708	156,923
Less net income attributable to noncontrolling interest	(1,711)	(2,595)	(2,538)	(4,077)
Net income attributable to common stockholders	$ 82,020	$ 80,155	$ 153,170	$ 152,846
Earnings per share attributable to common stockholders:
Basic	$ 1.79	$ 1.77	$ 3.35	$ 3.38
Diluted	$ 1.77	$ 1.75	$ 3.31	$ 3.33
Number of shares used in earnings per share computation:
Basic	45,733	45,265	45,667	45,185
Diluted	46,243	45,841	46,263	45,913