CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Net sales	$ 366,212	$ 319,771	$ 698,325	$ 621,743
Cost of goods sold	250,888	212,385	478,307	414,773
Gross profit	115,324	107,386	220,018	206,970
Operating expenses
Selling, general and administrative	59,470	58,467	118,169	112,202
Research and development	40,537	33,189	79,164	67,153
Amortization of acquisition related intangible assets	5,839	3,854	11,663	7,664
Loss (gain) on disposal of fixed assets	19	(82)	1	(4,954)
Restructuring charges	68	8,250	334	8,250
Other operating expense (income)	2	0	2	(1)
Total operating expense	105,935	103,678	209,333	190,314
Income from operations	9,389	3,708	10,685	16,656
Other income (expense)
Interest income	7,024	4,237	12,837	8,851
Interest expense	(506)	(852)	(973)	(1,384)
Foreign currency (loss) gain, net	(6,432)	799	(6,615)	1,771
Unrealized gain on investments	29,645	4,350	25,613	4,720
Impairment of equity investment	0	0	(5,817)	0
Gain on disposal of subsidiary	13,730	0	13,730	0
Other income	373	562	996	996
Total other income (expense)	43,834	9,096	39,771	14,954
Income before income taxes and noncontrolling interest	53,223	12,804	50,456	31,610
Income tax provision	9,063	2,643	9,083	6,180
Net income	44,160	10,161	41,373	25,430
Less net income attributable to noncontrolling interest	1,938	(2,161)	288	(3,392)
Net income attributable to common stockholders	$ 46,098	$ 8,000	$ 41,661	$ 22,038
Earnings per share attributable to common stockholders:
Basic	$ 0.99	$ 0.17	$ 0.9	$ 0.48
Diluted	$ 0.99	$ 0.17	$ 0.9	$ 0.48
Number of shares used in earnings per share computation:
Basic	46,398	46,133	46,385	46,083
Diluted	46,462	46,324	46,452	46,320