Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Condensed Consolidated Statements of Income
Revenues	$ 246,787	$ 233,814
Cost of revenues	92,927	78,042
Gross profit	153,860	155,772
Operating expenses:
Research and development	89,396	77,542
Selling, general and administrative	44,891	44,647
Operating expenses	134,287	122,189
Operating income	19,573	33,583
Other income (expense):
Interest income and other, net	4,836	1,499
Interest expense	(1,656)	(1,680)
Income before income taxes	22,753	33,402
Provision (benefit) for income taxes	7,753	11,689
Equity-method earnings (loss)	(1,033)	1,194
Net income	$ 13,967	$ 22,907
Earnings per share:
Basic (in dollars per share)	$ 0.44	$ 0.60
Diluted (in dollars per share)	$ 0.41	$ 0.58
Weighted-average common shares outstanding:
Basic	31,959	38,003
Diluted	33,753	39,523