Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Income Statement [Abstract]
Revenues	$ 106,375	$ 246,787
Cost of revenues	51,306	92,927
Gross profit	55,069	153,860
Operating expenses:
Research and development	80,650	89,396
Selling, general and administrative	33,553	44,891
Operating expenses	114,203	134,287
Operating income (loss)	(59,134)	19,573
Other income (expense):
Interest income and other, net	2,732	4,836
Interest expense	(509)	(1,656)
Income (loss) before income taxes	(56,911)	22,753
Provision (benefit) for income taxes	(385)	7,753
Equity-method loss	0	(1,033)
Net income (loss)	$ (56,526)	$ 13,967
Earnings (loss) per share:
Basic (in dollars per share)	$ (1.77)	$ 0.44
Diluted (in dollars per share)	$ (1.77)	$ 0.41
Weighted-average common shares outstanding:
Basic (in shares)	31,910	31,959
Diluted (in shares)	31,910	33,753