Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Income Statement [Abstract]
Revenue	$ 210,797	$ 201,124
Cost of revenue	68,860	57,384
Gross margin	141,937	143,740
Research, development, and engineering expenses	37,105	38,542
Selling, general, and administrative expenses	90,628	83,037
Operating income	14,204	22,161
Foreign currency gain (loss)	46	394
Investment income	3,120	3,587
Other income (expense)	196	73
Income before income tax expense	17,566	26,215
Income tax expense	5,544	600
Net income	$ 12,022	$ 25,615
Net income per weighted-average common and common-equivalent share:
Basic (usd per share)	$ 0.07	$ 0.15
Diluted (usd per share)	$ 0.07	$ 0.15
Weighted-average common and common-equivalent shares outstanding:
Basic (shares)	171,692	172,624
Diluted (shares)	172,594	173,903
Cash dividends per common share (usd per share)	$ 0.075	$ 0.070