CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 500,972	$ 440,448	$ 983,095	$ 853,569
Cost of goods sold	294,446	280,646	579,872	555,131
Gross profit	206,526	159,802	403,223	298,438
Operating expenses
Selling, general and administrative	69,067	60,280	140,510	118,956
Research and development	30,762	29,987	59,439	57,646
Amortization of acquisition related intangible assets	3,980	4,060	7,842	8,083
Other operating expense (income)	(3,521)	118	(3,864)	1,006
Total operating expense	100,288	94,445	203,927	185,691
Income from operations	106,238	65,357	199,296	112,747
Other (expense) income
Interest income	861	818	1,687	1,586
Interest expense	(1,590)	(2,017)	(2,704)	(4,881)
Foreign currency gain (loss), net	1,819	(510)	3,540	(1,789)
Unrealized (loss) gain on investments	(7,764)	5,261	(13,312)	8,916
Other income	1,647	1,837	3,523	4,154
Total other (expense) income	(5,027)	5,389	(7,266)	7,986
Income before income taxes and noncontrolling interest	101,211	70,746	192,030	120,733
Income tax provision	18,461	12,120	35,107	21,554
Net income	82,750	58,626	156,923	99,179
Less net income attributable to noncontrolling interest	(2,595)	(3,252)	(4,077)	(4,353)
Net income attributable to common stockholders	$ 80,155	$ 55,374	$ 152,846	$ 94,826
Earnings per share attributable to common stockholders:
Basic	$ 1.77	$ 1.24	$ 3.38	$ 2.13
Diluted	$ 1.75	$ 1.22	$ 3.33	$ 2.09
Number of shares used in earnings per share computation:
Basic	45,265	44,667	45,185	44,538
Diluted	45,841	45,380	45,913	45,327