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Balance Sheet Components (Schedule of Amortized Cost and Estimated Fair Market Value of Investments Classified as Available-for-Sale Excluding Cash Equivalents) (Details) - USD ($) $ in Thousands	Sep. 29, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 118,733	$ 98,499
Unrealized Gains	361	128
Unrealized Losses	0	0
Estimated Fair Value	119,094	98,627
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	118,733	98,326
Unrealized Gains	361	128
Unrealized Losses	0	0
Estimated Fair Value	$ 119,094	98,454
Convertible debt securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		173
Unrealized Gains		0
Unrealized Losses		0
Estimated Fair Value		$ 173

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Amount, before tax, of unrealized gain 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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