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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
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