Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 05, 2025	Jun. 29, 2024	Jul. 05, 2025	Jun. 29, 2024
Income Statement [Abstract]
Revenues	$ 192,845	$ 145,367	$ 370,559	$ 251,742
Cost of revenues	84,736	68,784	164,673	120,090
Gross profit	108,109	76,583	205,886	131,652
Operating expenses:
Research and development	87,821	85,909	176,040	166,559
Selling, general and administrative	43,155	38,695	84,793	72,248
Operating expenses	130,976	124,604	260,833	238,807
Operating loss	(22,867)	(48,021)	(54,947)	(107,155)
Other income (expense):
Interest income and other, net	3,833	2,790	7,626	5,522
Interest expense	(251)	(263)	(535)	(772)
Loss before income taxes	(19,285)	(45,494)	(47,856)	(102,405)
Provision for income taxes	2,532	36,663	4,431	36,278
Net loss	$ (21,817)	$ (82,157)	$ (52,287)	$ (138,683)
Loss per share:
Basic (in dollars per share)	$ (0.67)	$ (2.56)	$ (1.61)	$ (4.33)
Diluted (in dollars per share)	$ (0.67)	$ (2.56)	$ (1.61)	$ (4.33)
Weighted-average common shares outstanding:
Basic (in shares)	32,682	32,124	32,570	32,018
Diluted (in shares)	32,682	32,124	32,570	32,018