CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 1,805,162	$ 1,229,215	$ 1,249,130
Cost of goods sold	1,134,802	798,094	783,323
Gross profit	670,360	431,121	465,807
Operating expenses
Selling, general and administrative	257,710	185,067	181,343
Research and development	119,200	94,288	88,517
Amortization of acquisition-related intangible assets	16,216	16,261	18,041
Loss (gain) on disposal of fixed assets	246	106	(24,429)
Other operating expense	1,003	1,067	1,727
Total operating expenses	394,375	296,789	265,199
Income from operations	275,985	134,332	200,608
Other income (expense)
Interest income	3,139	1,066	2,189
Interest expense	(7,491)	(11,662)	(7,893)
Foreign currency loss, net	(2,107)	(9,814)	(3,737)
Unrealized gain on investments	28,018	2,083
Other income	17,551	4,336	7,079
Total other income (expense)	39,110	(13,991)	(2,362)
Income before income taxes and noncontrolling interest	315,095	120,341	198,246
Income tax provision	78,807	21,112	44,131
Net income	236,288	99,229	154,115
Less: net income attributable to noncontrolling interest	(7,525)	(1,141)	(865)
Net income attributable to common stockholders	$ 228,763	$ 98,088	$ 153,250
Earnings per share attributable to common stockholders
Basic	$ 5.11	$ 1.92	$ 3.02
Diluted	$ 5.00	$ 1.88	$ 2.96
Number of shares used in computation
Basic	44,772	51,004	50,787
Diluted	45,781	52,133	51,860