Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	$ (4,993)	$ (765)
Fair Value Less than 12 Consecutive Months	419,246	78,214
Gross Unrealized Losses 12 Consecutive Months or Longer	(33,696)	(69,477)
Fair Value 12 Consecutive Months or Longer	931,764	1,195,231
Gross Unrealized Losses, Total	(38,689)	(70,242)
Fair Value, Total	1,351,010	1,273,445
Agency securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(125)	(31)
Fair Value Less than 12 Consecutive Months	24,153	10,923
Gross Unrealized Losses 12 Consecutive Months or Longer	(352)	(554)
Fair Value 12 Consecutive Months or Longer	6,647	6,446
Gross Unrealized Losses, Total	(477)	(585)
Fair Value, Total	30,800	17,369
Mortgage-backed securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(137)	0
Fair Value Less than 12 Consecutive Months	9,803	0
Gross Unrealized Losses 12 Consecutive Months or Longer	(4,238)	(4,731)
Fair Value 12 Consecutive Months or Longer	29,421	34,012
Gross Unrealized Losses, Total	(4,375)	(4,731)
Fair Value, Total	39,224	34,012
Corporate debt securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(4,503)	(702)
Fair Value Less than 12 Consecutive Months	350,289	64,637
Gross Unrealized Losses 12 Consecutive Months or Longer	(19,334)	(45,371)
Fair Value 12 Consecutive Months or Longer	667,176	889,785
Gross Unrealized Losses, Total	(23,837)	(46,073)
Fair Value, Total	1,017,465	954,422
Municipal securities [Member]
Marketable Securities [Line Items]
Gross Unrealized Losses Less than 12 Consecutive Months	(228)	(32)
Fair Value Less than 12 Consecutive Months	35,001	2,654
Gross Unrealized Losses 12 Consecutive Months or Longer	(9,679)	(18,398)
Fair Value 12 Consecutive Months or Longer	226,901	261,651
Gross Unrealized Losses, Total	(9,907)	(18,430)
Fair Value, Total	261,902	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	(93)	(423)
Fair Value 12 Consecutive Months or Longer	1,619	3,337
Gross Unrealized Losses, Total	(93)	(423)
Fair Value, Total	$ 1,619	$ 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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