Marketable Securities - Schedule of Marketable Securities Classified as Available-for-sale Securities (Details) - USD ($) $ in Thousands	Jun. 28, 2025	Dec. 28, 2024
Marketable Securities [Line Items]
Amortized Cost, Total	$ 1,811,665	$ 1,656,724
Gross Unrealized Gains	7,305	1,566
Gross Unrealized Losses	(18,045)	(38,689)
Fair Value	1,800,925	1,619,601
U.S. Treasury securities [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	5,773	4,930
Gross Unrealized Gains	50	8
Gross Unrealized Losses	0	0
Fair Value	5,823	4,938
Agency securities [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	65,702	42,236
Gross Unrealized Gains	58	38
Gross Unrealized Losses	(229)	(477)
Fair Value	65,531	41,797
Mortgage-backed securities [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	96,042	43,599
Gross Unrealized Gains	370	0
Gross Unrealized Losses	(1,853)	(4,375)
Fair Value	94,559	39,224
Corporate Debt Securities [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	1,367,634	1,281,981
Gross Unrealized Gains	6,446	1,498
Gross Unrealized Losses	(10,506)	(23,837)
Fair Value	1,363,574	1,259,642
Municipal securities [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	274,713	281,295
Gross Unrealized Gains	381	21
Gross Unrealized Losses	(5,412)	(9,907)
Fair Value	269,682	271,409
Other [Member] \| Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	1,801	2,683
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(45)	(93)
Fair Value	$ 1,756	$ 2,591

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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