Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Consolidated Statements of Income
Revenues	$ 720,860	$ 510,928	$ 473,785
Cost of revenues	295,468	216,083	193,571
Gross profit	425,392	294,845	280,214
Operating expenses:
Research and development	273,208	235,185	205,690
Selling, general and administrative	185,022	166,748	163,167
Operating expenses	458,230	401,933	368,857
Operating loss	(32,838)	(107,088)	(88,643)
Other income (expense):
Interest income and other, net	5,696	9,027	12,865
Interest expense	(31,033)	(34,142)	(20,233)
Loss from continuing operations before income taxes	(58,175)	(132,203)	(96,011)
Provision (benefit) for income taxes	13,427	(14,602)	6,984
Equity-method earnings	13,728	2,116	320
Loss from continuing operations	(57,874)	(115,485)	(102,675)
Income from discontinued operations, net of income taxes	2,175,273	128,016	121,940
Net income	$ 2,117,399	$ 12,531	$ 19,265
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	$ (1.35)	$ (2.64)	$ (2.37)
Net income (in dollars per share)	49.44	0.29	0.44
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	(1.35)	(2.64)	(2.37)
Net income (in dollars per share)	$ 47.78	$ 0.28	$ 0.43
Weighted-average common shares outstanding:
Basic (in shares)	42,830	43,775	43,346
Diluted (in shares)	44,315	44,372	44,290