CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 881,662	$ 860,903	$ 706,793
Cost of revenue	481,765	482,431	406,465
Gross profit	399,897	378,472	300,328
Operating expenses:
Research and development and engineering	91,682	85,770	72,522
Selling, general and administrative	164,460	158,901	129,155
Amortization of purchased intangible assets	20,445	26,338	16,577
Restructuring, acquisition and related costs	12,814	4,384	18,020
Total operating expenses	289,401	275,393	236,274
Operating income	110,496	103,079	64,054
Interest income (expense), net	(25,818)	(15,616)	(7,387)
Foreign exchange transaction gains (losses), net	(255)	67	(127)
Other income (expense), net	(675)	(371)	(368)
Income before income taxes	83,748	87,159	56,172
Income tax provision	10,870	13,108	5,841
Net income	$ 72,878	$ 74,051	$ 50,331
Earnings per Common Share:
Basic	$ 2.03	$ 2.08	$ 1.42
Diluted	$ 2.02	$ 2.06	$ 1.41
Weighted average common shares outstanding—basic	35,844	35,652	35,396
Weighted average common shares outstanding—diluted	36,031	35,909	35,781