Financial Instruments (Details 2) $ in Thousands	Dec. 28, 2019 USD ($)
Amortized Cost
Due in one year or less	$ 1,371,519
Due after one year through five years	39,724
Due after five years through ten years	104,585
Due after ten years	341,578
Amortized Cost Total	1,857,406
Estimated Fair Value
Due in one year or less	1,371,529
Due after one year through five years	39,676
Due after five years through ten years	104,790
Due after ten years	339,591
Estimated Fair Value Total	1,855,586
Marketable debt securities with contractual maturities greater than one year but classified as short-term investment	$ 484,100