Fair Value of Financial Instruments - Contractual maturities of investments (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Cost
Due in one year or less	$ 44,953
Due after one year through five years	55,513
Marketable Securities, Amortized Cost Basis	100,466
Fair Value
Due in one year or less	45,009
Due after one year through five years	55,546
Total Fair Value	$ 100,554	$ 211,720