Marketable Securities - Summary of Estimated Fair Value and Gross Unrealized Holding Losses of Marketable Securities in Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Dec. 26, 2020
Schedule of Available-for-sale Securities [Line Items]
In Unrealized Loss Position For Less Than 12 Months, Fair Value	$ 242,432	$ 32,450
In Unrealized Loss Position For Less Than 12 Months, Gross Unrealized Losses	462	19
In Unrealized Loss Position For Greater Than 12 Months, Fair Value	2,587	0
In Unrealized Loss Position For Greater Than 12 Months, Gross Unrealized Losses	66	0
Municipal notes and bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
In Unrealized Loss Position For Less Than 12 Months, Fair Value	113,790	8,641
In Unrealized Loss Position For Less Than 12 Months, Gross Unrealized Losses	262	4
In Unrealized Loss Position For Greater Than 12 Months, Fair Value	0	0
In Unrealized Loss Position For Greater Than 12 Months, Gross Unrealized Losses	0	0
Certificates of deposits [Member]
Schedule of Available-for-sale Securities [Line Items]
In Unrealized Loss Position For Less Than 12 Months, Fair Value	16,300
In Unrealized Loss Position For Less Than 12 Months, Gross Unrealized Losses	10
In Unrealized Loss Position For Greater Than 12 Months, Fair Value	0
In Unrealized Loss Position For Greater Than 12 Months, Gross Unrealized Losses	0
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
In Unrealized Loss Position For Less Than 12 Months, Fair Value	58,681	8,862
In Unrealized Loss Position For Less Than 12 Months, Gross Unrealized Losses	40	3
In Unrealized Loss Position For Greater Than 12 Months, Fair Value	0	0
In Unrealized Loss Position For Greater Than 12 Months, Gross Unrealized Losses	0	0
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
In Unrealized Loss Position For Less Than 12 Months, Fair Value	53,661	14,947
In Unrealized Loss Position For Less Than 12 Months, Gross Unrealized Losses	150	12
In Unrealized Loss Position For Greater Than 12 Months, Fair Value	2,587	0
In Unrealized Loss Position For Greater Than 12 Months, Gross Unrealized Losses	$ 66	$ 0