Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2025	Mar. 31, 2024
Income Statement [Abstract]
Revenue	$ 216,036	$ 210,797
Cost of revenue	71,713	68,860
Gross profit	144,323	141,937
Research, development, and engineering expenses	34,727	37,105
Selling, general, and administrative expenses	83,504	90,628
Operating income	26,092	14,204
Foreign currency gain (loss)	(2,453)	46
Investment income	3,990	3,120
Other income (expense)	169	196
Income before income tax expense	27,798	17,566
Income tax expense	4,195	5,544
Net income	$ 23,603	$ 12,022
Net income per weighted-average common and common-equivalent share:
Basic (usd per share)	$ 0.14	$ 0.07
Diluted (usd per share)	$ 0.14	$ 0.07
Weighted-average common and common-equivalent shares outstanding:
Basic (shares)	169,265	171,692
Diluted (shares)	170,391	172,594
Cash dividends per common share (usd per share)	$ 0.080	$ 0.075