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Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands | Dec. 30, 2023 | Dec. 31, 2022
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Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | $ (765) | $ (30,716)
Fair Value Less than 12 Consecutive Months | 78,214 | 601,202
Gross Unrealized Losses 12 Consecutive Months or Longer | (69,477) | (83,412)
Fair Value 12 Consecutive Months or Longer | 1,195,231 | 756,413
Gross Unrealized Losses, Total | (70,242) | (114,128)
Fair Value, Total | 1,273,445 | 1,357,615
U.S. Treasury 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 | 0 | 0
Fair Value 12 Consecutive Months or Longer | 0 | 0
Gross Unrealized Losses, Total | 0 | 0
Fair Value, Total | 0 | 0
Agency securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (31) | 0
Fair Value Less than 12 Consecutive Months | 10,923 | 0
Gross Unrealized Losses 12 Consecutive Months or Longer | (554) | (786)
Fair Value 12 Consecutive Months or Longer | 6,446 | 6,214
Gross Unrealized Losses, Total | (585) | (786)
Fair Value, Total | 17,369 | 6,214
Mortgage-backed securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | 0 | (1,900)
Fair Value Less than 12 Consecutive Months | 0 | 23,229
Gross Unrealized Losses 12 Consecutive Months or Longer | (4,731) | (2,625)
Fair Value 12 Consecutive Months or Longer | 34,012 | 17,619
Gross Unrealized Losses, Total | (4,731) | (4,525)
Fair Value, Total | 34,012 | 40,848
Corporate debt securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (702) | (26,680)
Fair Value Less than 12 Consecutive Months | 64,637 | 508,956
Gross Unrealized Losses 12 Consecutive Months or Longer | (45,371) | (51,122)
Fair Value 12 Consecutive Months or Longer | 889,785 | 498,834
Gross Unrealized Losses, Total | (46,073) | (77,802)
Fair Value, Total | 954,422 | 1,007,790
Municipal securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (32) | (2,136)
Fair Value Less than 12 Consecutive Months | 2,654 | 69,017
Gross Unrealized Losses 12 Consecutive Months or Longer | (18,398) | (26,725)
Fair Value 12 Consecutive Months or Longer | 261,651 | 225,679
Gross Unrealized Losses, Total | (18,430) | (28,861)
Fair Value, Total | 264,305 | 294,696
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 | (423) | (2,154)
Fair Value 12 Consecutive Months or Longer | 3,337 | 8,067
Gross Unrealized Losses, Total | (423) | (2,154)
Fair Value, Total | $ 3,337 | $ 8,067

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