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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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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
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-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 330
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