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Marketable Securities - Schedule of Marketable Securities Classified as Available-for-sale Securities (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Marketable Securities [Line Items]
Amortized Cost, Total	$ 1,656,724	$ 1,468,240
Gross Unrealized Gains	1,566	1,811
Gross Unrealized Losses	(38,689)	(70,242)
Fair Value	1,619,601	1,399,809
U.S. Treasury securities [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	4,930	2,971
Gross Unrealized Gains	8	1
Gross Unrealized Losses	0	0
Fair Value	4,938	2,972
Agency securities [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	42,236	23,692
Gross Unrealized Gains	38	32
Gross Unrealized Losses	(477)	(585)
Fair Value	41,797	23,139
Mortgage-backed securities [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	43,599	38,743
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(4,375)	(4,731)
Fair Value	39,224	34,012
Corporate debt securities [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	1,281,981	1,104,834
Gross Unrealized Gains	1,498	1,680
Gross Unrealized Losses	(23,837)	(46,073)
Fair Value	1,259,642	1,060,441
Municipal securities [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	281,295	294,240
Gross Unrealized Gains	21	98
Gross Unrealized Losses	(9,907)	(18,430)
Fair Value	271,409	275,908
Other [Member] | Fair Value, Level 2 [Member]
Marketable Securities [Line Items]
Amortized Cost, Total	2,683	3,760
Gross Unrealized Gains	1	0
Gross Unrealized Losses	(93)	(423)
Fair Value	$ 2,591	$ 3,337

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