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Balance Sheet Components - Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Dec. 28, 2024
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	$ 171,310	$ 169,158
Gross Unrealized Gains	550	365
Gross Unrealized Losses	(18)	(228)
Fair Value	171,842	169,295
Amortized Cost
Due in one year or less	105,351	82,492
Due after one year to five years	65,959	86,666
Amortized Cost	171,310	169,158
Fair Value
Due in one year or less	105,654	82,587
Due after one year to five years	66,188	86,708
Fair Value	171,842	169,295
U.S. treasuries
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	76,397	71,188
Gross Unrealized Gains	229	139
Gross Unrealized Losses	0	(75)
Fair Value	76,626	71,252
Amortized Cost
Amortized Cost	76,397	71,188
Fair Value
Fair Value	76,626	71,252
Commercial paper
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	7,414	998
Gross Unrealized Gains	1	0
Gross Unrealized Losses	(1)	0
Fair Value	7,414	998
Amortized Cost
Amortized Cost	7,414	998
Fair Value
Fair Value	7,414	998
Corporate bonds
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	74,612	83,091
Gross Unrealized Gains	296	211
Gross Unrealized Losses	(11)	(126)
Fair Value	74,897	83,176
Amortized Cost
Amortized Cost	74,612	83,091
Fair Value
Fair Value	74,897	83,176
U.S. agency securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	12,887	13,881
Gross Unrealized Gains	24	15
Gross Unrealized Losses	(6)	(27)
Fair Value	12,905	13,869
Amortized Cost
Amortized Cost	12,887	13,881
Fair Value
Fair Value	$ 12,905	$ 13,869

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