Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Condensed Consolidated Statements of Income
Revenues	$ 263,150	$ 169,492	$ 496,964	$ 327,349
Cost of revenues	99,247	73,194	177,289	139,297
Gross profit	163,903	96,298	319,675	188,052
Operating expenses:
Research and development	83,511	64,832	161,053	128,847
Selling, general and administrative	49,013	42,953	93,660	85,407
Operating expenses	132,524	107,785	254,713	214,254
Operating income (loss)	31,379	(11,487)	64,962	(26,202)
Other income (expense):
Interest income and other, net	3,445	475	4,944	1,624
Interest expense	(1,667)	(6,486)	(3,347)	(17,810)
Income (loss) from continuing operations before income taxes	33,157	(17,498)	66,559	(42,388)
Provision for income taxes	10,994	1,165	22,683	3,157
Equity-method earnings	(28)	172	1,166	1,898
Income (loss) from continuing operations	22,135	(18,491)	45,042	(43,647)
Income from discontinued operations, net of income taxes		38,423		77,088
Net income	$ 22,135	$ 19,932	$ 45,042	$ 33,441
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	$ 0.62	$ (0.41)	$ 1.22	$ (0.98)
Net income (in dollars per share)	0.62	0.44	1.22	0.75
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	0.60	(0.41)	1.18	(0.98)
Net income (in dollars per share)	$ 0.60	$ 0.44	$ 1.18	$ 0.73
Weighted-average common shares outstanding:
Basic (in shares)	35,722,000	44,803,000	36,862,000	44,481,000
Diluted (in shares)	36,604,000	45,756,000	38,063,000	45,794,000