Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 05, 2025	Mar. 30, 2024
Income Statement [Abstract]
Revenues	$ 177,714	$ 106,375
Cost of revenues	79,937	51,306
Gross profit	97,777	55,069
Operating expenses:
Research and development	88,219	80,650
Selling, general and administrative	41,638	33,553
Operating expenses	129,857	114,203
Operating loss	(32,080)	(59,134)
Other income (expense):
Interest income and other, net	3,793	2,732
Interest expense	(284)	(509)
Loss before income taxes	(28,571)	(56,911)
Provision (benefit) for income taxes	1,899	(385)
Net loss	$ (30,470)	$ (56,526)
Loss per share:
Basic (in dollars per share)	$ (0.94)	$ (1.77)
Diluted (in dollars per share)	$ (0.94)	$ (1.77)
Weighted-average common shares outstanding:
Basic (in shares)	32,465	31,910
Diluted (in shares)	32,465	31,910