Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Income Statement [Abstract]
Revenues	$ 145,367	$ 244,866	$ 251,742	$ 491,653
Cost of revenues	68,784	101,091	120,090	194,018
Gross profit	76,583	143,775	131,652	297,635
Operating expenses:
Research and development	85,909	85,902	166,559	175,298
Selling, general and administrative	38,695	40,706	72,248	85,597
Operating expenses	124,604	126,608	238,807	260,895
Operating income (loss)	(48,021)	17,167	(107,155)	36,740
Other income (expense):
Interest income and other, net	2,790	7,780	5,522	12,616
Interest expense	(263)	(1,596)	(772)	(3,252)
Income (loss) before income taxes	(45,494)	23,351	(102,405)	46,104
Provision for income taxes	36,663	12,338	36,278	20,091
Equity-method loss	0	(57)	0	(1,090)
Net income (loss)	$ (82,157)	$ 10,956	$ (138,683)	$ 24,923
Earnings (loss) per share:
Basic (in dollars per share)	$ (2.56)	$ 0.35	$ (4.33)	$ 0.78
Diluted (in dollars per share)	$ (2.56)	$ 0.33	$ (4.33)	$ 0.75
Weighted-average common shares outstanding:
Basic (in shares)	32,124	31,614	32,018	31,786
Diluted (in shares)	32,124	32,926	32,018	33,339