Balance Sheet Components (Schedule of Changes in Carrying Value of Long-term Equity Investments) (Details) - USD ($) $ in Thousands		9 Months Ended
		Oct. 02, 2022	Oct. 03, 2021
Balance Sheet Related Disclosures [Abstract]
Beginning Balance	[1]	$ 6,303	$ 7,758
Additions from purchase of investments		0	340
Disposal		0	(778)
Impairment		(250)	(549)
Ending Balance	[1]	$ 6,053	$ 6,771

[1] The balances excluded an investment in limited partnership funds of $1.5 million as of October 2, 2022, $0.8 million as of October 3, 2021, $0.9 million as of December 31, 2021, and $0.6 million as of December 31, 2020. Additionally, the balance excluded an investment in convertible debt securities of $0.2 million as of October 2, 2022, $0.3 million as of October 3, 2021, and $0.3 million as of December 31, 2021.