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Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($)
$ in Thousands
Mar. 30, 2024
Dec. 30, 2023
Marketable Securities [Line Items]    
Gross Unrealized Losses Less than 12 Consecutive Months $ (1,719) $ (765)
Fair Value Less than 12 Consecutive Months 172,456 78,214
Gross Unrealized Losses 12 Consecutive Months or Longer (64,089) (69,477)
Fair Value 12 Consecutive Months or Longer 1,138,548 1,195,231
Gross Unrealized Losses, Total (65,808) (70,242)
Fair Value, Total 1,311,004 1,273,445
Agency securities [Member]    
Marketable Securities [Line Items]    
Gross Unrealized Losses Less than 12 Consecutive Months (38) (31)
Fair Value Less than 12 Consecutive Months 7,919 10,923
Gross Unrealized Losses 12 Consecutive Months or Longer (560) (554)
Fair Value 12 Consecutive Months or Longer 6,440 6,446
Gross Unrealized Losses, Total (598) (585)
Fair Value, Total 14,359 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 (4,516) (4,731)
Fair Value 12 Consecutive Months or Longer 32,994 34,012
Gross Unrealized Losses, Total (4,516) (4,731)
Fair Value, Total 32,994 34,012
Corporate debt securities [Member]    
Marketable Securities [Line Items]    
Gross Unrealized Losses Less than 12 Consecutive Months (1,634) (702)
Fair Value Less than 12 Consecutive Months 153,897 64,637
Gross Unrealized Losses 12 Consecutive Months or Longer (41,768) (45,371)
Fair Value 12 Consecutive Months or Longer 835,475 889,785
Gross Unrealized Losses, Total (43,402) (46,073)
Fair Value, Total 989,372 954,422
Municipal securities [Member]    
Marketable Securities [Line Items]    
Gross Unrealized Losses Less than 12 Consecutive Months (47) (32)
Fair Value Less than 12 Consecutive Months 10,640 2,654
Gross Unrealized Losses 12 Consecutive Months or Longer (17,022) (18,398)
Fair Value 12 Consecutive Months or Longer 260,669 261,651
Gross Unrealized Losses, Total (17,069) (18,430)
Fair Value, Total 271,309 264,305
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 (223) (423)
Fair Value 12 Consecutive Months or Longer 2,970 3,337
Gross Unrealized Losses, Total (223) (423)
Fair Value, Total $ 2,970 $ 3,337