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Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands | Jul. 01, 2023 | Dec. 31, 2022
--- | --- | ---
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | $ (5,300) | $ (30,716)
Fair Value Less than 12 Consecutive Months | 165,194 | 601,202
Gross Unrealized Losses 12 Consecutive Months or Longer | (99,471) | (83,412)
Fair Value 12 Consecutive Months or Longer | 1,168,853 | 756,413
Gross Unrealized Losses, Total | (104,771) | (114,128)
Fair Value, Total | 1,334,047 | 1,357,615
Agency securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (16) |
Fair Value Less than 12 Consecutive Months | 3,987 |
Gross Unrealized Losses 12 Consecutive Months or Longer | (749) | (786)
Fair Value 12 Consecutive Months or Longer | 6,250 | 6,214
Gross Unrealized Losses, Total | (765) | (786)
Fair Value, Total | 10,237 | 6,214
Mortgage-backed securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (15) | (1,900)
Fair Value Less than 12 Consecutive Months | 176 | 23,229
Gross Unrealized Losses 12 Consecutive Months or Longer | (5,571) | (2,625)
Fair Value 12 Consecutive Months or Longer | 35,797 | 17,619
Gross Unrealized Losses, Total | (5,586) | (4,525)
Fair Value, Total | 35,973 | 40,848
Corporate debt securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (5,114) | (26,680)
Fair Value Less than 12 Consecutive Months | 152,214 | 508,956
Gross Unrealized Losses 12 Consecutive Months or Longer | (67,016) | (51,122)
Fair Value 12 Consecutive Months or Longer | 844,933 | 498,834
Gross Unrealized Losses, Total | (72,130) | (77,802)
Fair Value, Total | 997,147 | 1,007,790
Municipal securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (155) | (2,136)
Fair Value Less than 12 Consecutive Months | 8,817 | 69,017
Gross Unrealized Losses 12 Consecutive Months or Longer | (25,274) | (26,725)
Fair Value 12 Consecutive Months or Longer | 276,105 | 225,679
Gross Unrealized Losses, Total | (25,429) | (28,861)
Fair Value, Total | 284,922 | 294,696
Other [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months |  |
Fair Value Less than 12 Consecutive Months |  |
Gross Unrealized Losses 12 Consecutive Months or Longer | (861) | (2,154)
Fair Value 12 Consecutive Months or Longer | 5,768 | 8,067
Gross Unrealized Losses, Total | (861) | (2,154)
Fair Value, Total | $ 5,768 | $ 8,067

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