Marketable Securities - Amortized Cost (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	$ 189,930	$ 222,704
Gross Unrealized Holding Gains	2,695	4,929
Gross Unrealized Holding Losses	(6,583)	(6,553)
Fair Value	186,041
Corporate and municipal bonds
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	171,258	177,972
Gross Unrealized Holding Gains	2,525	3,853
Gross Unrealized Holding Losses	(6,583)	(6,553)
Fair Value	167,201	175,272
Commercial Paper
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	18,671	44,732
Gross Unrealized Holding Gains	169	1,076
Fair Value	$ 18,840	$ 45,808