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Balance Sheet Components (Schedule of Changes in Carrying Value of Long-term Equity Investments) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 03, 2022
Jun. 27, 2021
Balance Sheet Related Disclosures [Abstract]    
Beginning Balance [1] $ 6,303 $ 7,758
Additions from purchase of investments 0 340
Impairment (250) 0
Ending Balance [1] $ 6,053 $ 8,098
[1] The balances excluded an investment in limited partnership funds of $1.4 million as of July 3, 2022, $0.6 million as of June 27, 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 $0.3 million as of July 3, 2022, $1.3 million as of June 27, 2021, and $0.3 million as of December 31, 2021.