Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Dec. 30, 2023
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	$ (2,009)	$ (765)
Fair Value Less than 12 Consecutive Months	286,202	78,214
Gross Unrealized Losses 12 Consecutive Months or Longer	(57,926)	(69,477)
Fair Value 12 Consecutive Months or Longer	1,057,505	1,195,231
Gross Unrealized Losses, Total	(59,935)	(70,242)
Fair Value, Total	1,343,707	1,273,445
Agency securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(33)	(31)
Fair Value Less than 12 Consecutive Months	6,929	10,923
Gross Unrealized Losses 12 Consecutive Months or Longer	(518)	(554)
Fair Value 12 Consecutive Months or Longer	7,482	6,446
Gross Unrealized Losses, Total	(551)	(585)
Fair Value, Total	14,411	17,369
Mortgage-backed securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	0	0
Fair Value Less than 12 Consecutive Months	0	0
Gross Unrealized Losses 12 Consecutive Months or Longer	(4,413)	(4,731)
Fair Value 12 Consecutive Months or Longer	31,881	34,012
Gross Unrealized Losses, Total	(4,413)	(4,731)
Fair Value, Total	31,881	34,012
Corporate debt securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(1,882)	(702)
Fair Value Less than 12 Consecutive Months	264,993	64,637
Gross Unrealized Losses 12 Consecutive Months or Longer	(37,300)	(45,371)
Fair Value 12 Consecutive Months or Longer	771,326	889,785
Gross Unrealized Losses, Total	(39,182)	(46,073)
Fair Value, Total	1,036,319	954,422
Municipal securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(94)	(32)
Fair Value Less than 12 Consecutive Months	14,280	2,654
Gross Unrealized Losses 12 Consecutive Months or Longer	(15,535)	(18,398)
Fair Value 12 Consecutive Months or Longer	243,951	261,651
Gross Unrealized Losses, Total	(15,629)	(18,430)
Fair Value, Total	258,231	264,305
Other [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	0	0
Fair Value Less than 12 Consecutive Months	0	0
Gross Unrealized Losses 12 Consecutive Months or Longer	(160)	(423)
Fair Value 12 Consecutive Months or Longer	2,865	3,337
Gross Unrealized Losses, Total	(160)	(423)
Fair Value, Total	$ 2,865	$ 3,337

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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