CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenue	$ 949,245	$ 881,662	$ 860,903
Cost of revenue	527,700	481,765	482,431
Gross profit	421,545	399,897	378,472
Operating expenses:
Research and development and engineering	95,515	91,682	85,770
Selling, general and administrative	175,943	164,460	158,901
Amortization of purchased intangible assets	25,794	20,445	26,338
Restructuring, acquisition and related costs	13,709	12,814	4,384
Total operating expenses	310,961	289,401	275,393
Operating income	110,584	110,496	103,079
Interest income (expense), net	(31,489)	(25,818)	(15,616)
Foreign exchange transaction gains (losses), net	413	(255)	67
Other income (expense), net	(442)	(675)	(371)
Income before income taxes	79,066	83,748	87,159
Income tax provision	14,979	10,870	13,108
Net income	$ 64,087	$ 72,878	$ 74,051
Earnings per common share (Note 9):
Basic	$ 1.78	$ 2.03	$ 2.08
Diluted	$ 1.77	$ 2.02	$ 2.06
Weighted average common shares outstanding—basic	35,950	35,844	35,652
Weighted average common shares outstanding—diluted	36,124	36,031	35,909