XML 52 R42.htm IDEA: XBRL DOCUMENT v3.22.2
Cash, Cash Equivalents, and Investments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 03, 2022
Jul. 04, 2021
Jul. 03, 2022
Jul. 04, 2021
Dec. 31, 2021
Cash and Cash Equivalents [Line Items]          
Debt securities, available-for-sale, allowance for credit loss $ 0   $ 0   $ 0
Credit loss on investments 0 $ 0 0 $ 0  
Gross realized gains on sale of investments 15 68 133 68  
Gross realized losses on sale of investments 3 $ 0 157 $ 0  
Other Current Assets          
Cash and Cash Equivalents [Line Items]          
Accrued interest receivable $ 2,732   $ 2,732   $ 3,037