CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 319,771	$ 467,152	$ 621,743	$ 934,393
Cost of goods sold	212,385	271,776	414,773	544,563
Gross profit	107,386	195,376	206,970	389,830
Operating expenses
Selling, general and administrative	58,467	67,500	112,202	138,491
Research and development	33,189	34,611	67,153	67,843
Amortization of acquisition related intangible assets	3,854	3,816	7,664	7,668
(Gain) on disposal of fixed assets	(82)	(105)	(4,954)	(153)
Restructuring charge	8,250	0	8,250	0
Other operating income	0	(13)	(1)	(13)
Total operating expense	103,678	105,809	190,314	213,836
Income from operations	3,708	89,567	16,656	175,994
Other income (expense)
Interest income	4,237	2,224	8,851	3,996
Interest expense	(852)	(2,189)	(1,384)	(4,321)
Foreign currency gain (loss), net	799	(2,217)	1,771	(4,110)
Unrealized gain on investments	4,350	12,172	4,720	16,061
Other income	562	1,398	996	1,928
Total other income (expense)	9,096	11,388	14,954	13,554
Income before income taxes and noncontrolling interest	12,804	100,955	31,610	189,548
Income tax provision	2,643	17,224	6,180	33,840
Net income	10,161	83,731	25,430	155,708
Less net income attributable to noncontrolling interest	(2,161)	(1,711)	(3,392)	(2,538)
Net income attributable to common stockholders	$ 8,000	$ 82,020	$ 22,038	$ 153,170
Earnings per share attributable to common stockholders:
Basic	$ 0.17	$ 1.79	$ 0.48	$ 3.35
Diluted	$ 0.17	$ 1.77	$ 0.48	$ 3.31
Number of shares used in earnings per share computation:
Basic	46,133	45,733	46,083	45,667
Diluted	46,324	46,243	46,320	46,263