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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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