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Marketable Securities - Schedule of Gross Unrealized Losses and Fair Value by Major Security Type (Details) - USD ($) $ in Thousands | Jun. 25, 2022 | Dec. 25, 2021
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Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | $ (61,088) | $ (14,438)
Fair Value Less than 12 Consecutive Months | 1,054,567 | 768,737
Gross Unrealized Losses 12 Consecutive Months or Longer | (31,915) | (4,116)
Fair Value 12 Consecutive Months or Longer | 313,932 | 129,241
Gross Unrealized Losses, Total | (93,003) | (18,554)
Fair Value, Total | 1,368,499 | 897,978
Agency securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (597) | (110)
Fair Value Less than 12 Consecutive Months | 6,403 | 6,890
Gross Unrealized Losses 12 Consecutive Months or Longer | 0 | 0
Fair Value 12 Consecutive Months or Longer | 0 | 0
Gross Unrealized Losses, Total | (597) | (110)
Fair Value, Total | 6,403 | 6,890
Mortgage-backed securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (2,549) | (148)
Fair Value Less than 12 Consecutive Months | 45,338 | 18,909
Gross Unrealized Losses 12 Consecutive Months or Longer | (945) | (732)
Fair Value 12 Consecutive Months or Longer | 5,709 | 7,598
Gross Unrealized Losses, Total | (3,494) | (880)
Fair Value, Total | 51,047 | 26,507
Commercial Paper [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
Corporate debt securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (42,712) | (9,466)
Fair Value Less than 12 Consecutive Months | 781,300 | 499,084
Gross Unrealized Losses 12 Consecutive Months or Longer | (21,292) | (2,361)
Fair Value 12 Consecutive Months or Longer | 218,091 | 85,033
Gross Unrealized Losses, Total | (64,004) | (11,827)
Fair Value, Total | 999,391 | 584,117
Municipal securities [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (15,155) | (4,247)
Fair Value Less than 12 Consecutive Months | 219,841 | 226,009
Gross Unrealized Losses 12 Consecutive Months or Longer | (8,105) | (617)
Fair Value 12 Consecutive Months or Longer | 81,579 | 29,405
Gross Unrealized Losses, Total | (23,260) | (4,864)
Fair Value, Total | 301,420 | 255,414
Other [Member] |  |
Marketable Securities [Line Items] |  |
Gross Unrealized Losses Less than 12 Consecutive Months | (75) | (467)
Fair Value Less than 12 Consecutive Months | 1,685 | 17,845
Gross Unrealized Losses 12 Consecutive Months or Longer | (1,573) | (406)
Fair Value 12 Consecutive Months or Longer | 8,553 | 7,205
Gross Unrealized Losses, Total | (1,648) | (873)
Fair Value, Total | $ 10,238 | $ 25,050

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