Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 04, 2025	Sep. 28, 2024	Oct. 04, 2025	Sep. 28, 2024
Income Statement [Abstract]
Revenues	$ 205,999	$ 166,395	$ 576,558	$ 418,137
Cost of revenues	86,980	76,082	251,653	196,172
Gross profit	119,019	90,313	324,905	221,965
Operating expenses:
Research and development	87,685	83,228	263,725	249,787
Selling, general and administrative	43,676	36,793	128,469	109,041
Operating expenses	131,361	120,021	392,194	358,828
Operating loss	(12,342)	(29,708)	(67,289)	(136,863)
Other income (expense):
Interest income and other, net	3,046	3,487	10,672	9,009
Interest expense	(226)	(278)	(761)	(1,050)
Loss before income taxes	(9,522)	(26,499)	(57,378)	(128,904)
Provision for income taxes	414	2,005	4,845	38,283
Net loss	$ (9,936)	$ (28,504)	$ (62,223)	$ (167,187)
Loss per share:
Basic (in dollars per share)	$ (0.30)	$ (0.88)	$ (1.91)	$ (5.21)
Diluted (in dollars per share)	$ (0.30)	$ (0.88)	$ (1.91)	$ (5.21)
Weighted-average common shares outstanding:
Basic (in shares)	32,835	32,309	32,656	32,114
Diluted (in shares)	32,835	32,309	32,656	32,114