CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023
Income Statement [Abstract]
Revenue	$ 244,405	$ 221,503	$ 711,185	$ 670,093
Cost of revenue	135,190	119,912	397,865	366,751
Gross profit	109,215	101,591	313,320	303,342
Operating expenses:
Research and development and engineering	23,253	22,022	70,230	68,230
Selling, general and administrative	44,319	39,648	132,642	122,758
Amortization of purchased intangible assets	6,589	5,131	19,246	15,344
Restructuring, acquisition, and related costs	2,499	4,481	7,325	8,191
Total operating expenses	76,660	71,282	229,443	214,523
Operating income	32,555	30,309	83,877	88,819
Interest income (expense), net	(8,079)	(6,756)	(24,599)	(19,898)
Foreign exchange transaction gains (losses), net	(202)	(370)	(787)	(373)
Other income (expense), net	(49)	(189)	(220)	(546)
Income before income taxes	24,225	22,994	58,271	68,002
Income tax provision	5,033	1,771	10,648	7,635
Net income	$ 19,192	$ 21,223	$ 47,623	$ 60,367
Earnings per common share (Note 5):
Basic	$ 0.53	$ 0.59	$ 1.33	$ 1.68
Diluted	$ 0.53	$ 0.59	$ 1.32	$ 1.68
Weighted average common shares outstanding—basic	35,959	35,856	35,940	35,839
Weighted average common shares outstanding—diluted	36,129	36,041	36,116	36,024