CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net sales	$ 467,241	$ 482,123
Cost of goods sold	272,787	285,426
Gross profit	194,454	196,697
Operating expenses
Selling, general and administrative	70,991	71,443
Research and development	33,232	28,677
Amortization of acquisition related intangible assets	3,852	3,862
Other operating expense (income)	(48)	(343)
Total operating expense	108,027	103,639
Income from operations	86,427	93,058
Other income (expense)
Interest income	1,772	826
Interest expense	(2,132)	(1,114)
Foreign currency (loss) gain, net	(1,893)	1,721
Unrealized gain (loss) on investments	3,889	(5,548)
Other income	530	1,876
Total other income (expense)	2,166	(2,239)
Income before income taxes and noncontrolling interest	88,593	90,819
Income tax provision	16,616	16,646
Net income	71,977	74,173
Less net income attributable to noncontrolling interest	(827)	(1,482)
Net income attributable to common stockholders	$ 71,150	$ 72,691
Earnings per share attributable to common stockholders:
Basic	$ 1.56	$ 1.61
Diluted	$ 1.54	$ 1.59
Number of shares used in earnings per share computation:
Basic	45,600	45,104
Diluted	46,161	45,844