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. 23, 2018 USD ($)
Cost
Due in one year or less	$ 3,302,736
Due after one year through five years	166,844
Due in more than five years	3,034
Debt securities, Cost	3,472,614
Estimated Fair Value
Due in one year or less	3,302,375
Due after one year through five years	165,993
Due in more than five years	3,015
Total	$ 3,471,383