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Marketable Securities - Schedule of Amortized Cost and Estimated Fair Value of Marketable Securities by Maturity (Details) - USD ($)
$ in Thousands
Dec. 25, 2021
Dec. 26, 2020
Investments, Debt and Equity Securities [Abstract]    
Amortized Cost, Due in one year or less $ 346,377  
Amortized Cost, Due after one year through five years 1,236,333  
Amortized Cost, Due after five years through ten years 37,443  
Amortized Cost, Due after ten years 3,100  
Amortized Cost, Total 1,623,253 $ 1,492,770
Fair Value, Due in one year or less 347,980  
Fair Value, Due after one year through five years 1,229,328  
Fair Value, Due after five years through ten years 36,571  
Fair Value, Due after ten years 2,799  
Fair Value, Total $ 1,616,678 $ 1,518,817