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Investments Available for Sale - Summary of Investments Available for Sale and Related Fair Value Measurement (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 28, 2025	Dec. 27, 2024
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 49,659	$ 86,346
Unrealized Gains	5	21
Unrealized Losses	(17)	(32)
Estimated Fair Value	49,647	86,335
Fair Value, Inputs, Level 1
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	8,368	11,355
Fair Value, Inputs, Level 2
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	41,279	74,980
Commercial Paper
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	6,851	21,466
Unrealized Gains	2	4
Unrealized Losses		(2)
Estimated Fair Value	6,853	21,468
Commercial Paper | Fair Value, Inputs, Level 2
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	6,853	21,468
Certificates of Deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,784	1,997
Unrealized Gains	1
Estimated Fair Value	1,785	1,997
Certificates of Deposit | Fair Value, Inputs, Level 2
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	1,785	1,997
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	8,368	11,356
Unrealized Gains	1	3
Unrealized Losses	(1)	(4)
Estimated Fair Value	8,368	11,355
U.S. Treasury Securities | Fair Value, Inputs, Level 1
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	8,368	11,355
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	32,656	51,527
Unrealized Gains	1	14
Unrealized Losses	(16)	(26)
Estimated Fair Value	32,641	51,515
Corporate Debt Securities | Fair Value, Inputs, Level 2
Schedule Of Available For Sale Securities [Line Items]
Fair Value Measurements	$ 32,641	$ 51,515

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