Marketable Securities - Amortized Cost (Details) - USD ($) $ in Thousands	Sep. 28, 2024	Dec. 30, 2023
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	$ 226,343	$ 222,704
Gross Unrealized Holding Gains	4,771	4,929
Gross Unrealized Holding Losses	(5,627)	(6,553)
Fair Value	225,487
Corporate and municipal bonds
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	180,308	177,972
Gross Unrealized Holding Gains	4,214	3,853
Gross Unrealized Holding Losses	(5,627)	(6,553)
Fair Value	178,895	175,272
Commercial Paper
Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Amortized Cost	46,035	44,732
Gross Unrealized Holding Gains	557	1,076
Fair Value	$ 46,592	$ 45,808