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Balance Sheet Components (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 29, 2024 | Oct. 01, 2023 | Sep. 29, 2024 | Oct. 01, 2023 | Dec. 31, 2023
Balance Sheet Related Disclosures [Line Items] |  |  |  |  |
Accrued interest receivable | $ 900,000 |  | $ 900,000 |  |
Unrealized Losses | 0 |  | 0 |  | $ 0
Unrealized losses on available-for-sale securities | 0 | $ 0 | 0 | $ 0 |
Other-than-temporary impairments | 0 | 0 | 0 | 0 |
Provisions for excess and obsolete inventory | 2,100,000 | $ 1,200,000 | 5,084,000 | $ 2,705,000 |
Equity securities without readily determinable fair value, cumulative downward adjustments for price change and impairment loss | 0 |  | 0 |  |
Cumulative upward adjustments for price changes | $ 300,000 |  | $ 300,000 |  |

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