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Summary of Significant Accounting Policies - Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands | Jan. 01, 2022 | Jan. 02, 2021
--- | --- | ---
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | $ 52,270 | $ 116,120
Short-term investments | 1,392 | 1,687
Other Assets | 14,413 | 13,412
Amortized cost basis of debt securities | 13,231 | 13,143
Debt securities |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 0 | 0
Short-term investments | 1,392 | 1,687
Other Assets | 11,913 | 11,912
Equity investment |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 0 | 0
Short-term investments | 0 | 0
Other Assets | 2,500 | 1,500
Cash and money market accounts |  |
Schedule of Investments [Line Items] |  |
Cash and cash equivalents | 52,270 | 116,120
Short-term investments | 0 | 0
Other Assets | $ 0 | $ 0

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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