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Investment Securities - Schedule of Unrealized Loss Aging for Available-for-sale Securities (Details) - USD ($) $ in Thousands | Sep. 28, 2025 | Dec. 29, 2024
--- | --- | ---
Schedule Of Available For Sale Securities [Line Items] |  |
Fair value, less than 12 months | $ 0 | $ 0
Unrealized losses, less than 12 months | 0 | 0
Fair value, 12 months or longer | 0 | 8,014
Unrealized losses, 12 months or longer | 0 | (25)
Fair value, Total | 0 | 8,014
Unrealized losses, Total | 0 | (25)
US Corporate Bonds and US Denominated Foreign Bonds |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fair value, less than 12 months |  | 0
Unrealized losses, less than 12 months |  | 0
Fair value, 12 months or longer |  | 8,014
Unrealized losses, 12 months or longer |  | (25)
Fair value, Total |  | 8,014
Unrealized losses, Total |  | $ (25)
U.S. Treasury Bills |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Fair value, less than 12 months | 0 |
Unrealized losses, less than 12 months | 0 |
Fair value, 12 months or longer | 0 |
Unrealized losses, 12 months or longer | 0 |
Fair value, Total | 0 |
Unrealized losses, Total | $ 0 |

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-7 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-5 + Details
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