CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Net sales	$ 471,422	$ 309,459	$ 1,324,991	$ 878,845
Cost of goods sold	290,191	198,369	845,322	570,421
Gross profit	181,231	111,090	479,669	308,424
Operating expenses
Selling, general and administrative	67,803	44,651	186,759	132,238
Research and development	31,458	24,469	89,104	69,469
Amortization of acquisition related intangible assets	4,056	4,007	12,139	12,249
Other operating expense (income)	667	108	1,673	(108)
Total operating expense	103,984	73,235	289,675	213,848
Income from operations	77,247	37,855	189,994	94,576
Other income (expense)
Interest income	765	138	2,351	579
Interest expense	(1,417)	(3,745)	(6,298)	(7,643)
Foreign currency gain (loss), net	805	(2,618)	(984)	(6,143)
Unrealized gain on investments	5,922		14,838
Other income	2,244	1,627	6,398	2,902
Total other income (expense)	8,319	(4,598)	16,305	(10,305)
Income before income taxes and noncontrolling interest	85,566	33,257	206,299	84,271
Income tax provision	14,766	5,871	36,320	15,097
Net income	70,800	27,386	169,979	69,174
Less net income attributable to noncontrolling interest	(2,376)	(234)	(6,729)	(821)
Net income attributable to common stockholders	$ 68,424	$ 27,152	$ 163,250	$ 68,353
Earnings per share attributable to common stockholders:
Basic	$ 1.52	$ 0.52	$ 3.65	$ 1.33
Diluted	$ 1.50	$ 0.51	$ 3.59	$ 1.30
Number of shares used in earnings per share computation:
Basic	44,986	51,825	44,689	51,563
Diluted	45,642	52,729	45,507	52,612