FINANCIAL INSTRUMENTS - Schedule of Amortized Cost and Fair Value of Cash Equivalents, Investments, and Restricted Cash and Investments with Contractual Maturities (Details) $ in Thousands	Sep. 29, 2019 USD ($)
Cost
Due in one year or less	$ 5,104,939
Due after one year through five years	234,899
Due in more than five years	32,212
Debt securities, cost	5,372,050
Estimated Fair Value
Due in one year or less	5,105,720
Due after one year through five years	235,777
Due in more than five years	32,333
Total	$ 5,373,830