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FINANCIAL INSTRUMENTS - Schedule of Amortized Cost and Fair Value of Cash Equivalents, Investments, and Restricted Cash and Investments with Contractual Maturities (Details)
$ in Thousands
Dec. 27, 2020
USD ($)
Cost  
Due in one year or less $ 4,214,397
Due after one year through five years 872,280
Due in more than five years 56,161
Debt securities, cost 5,142,838
Estimated Fair Value  
Due in one year or less 4,215,126
Due after one year through five years 875,416
Due in more than five years 56,327
Total $ 5,146,869