Financial Instruments (Details 2) $ in Thousands	Nov. 28, 2020 USD ($)
Amortized Cost
Due within one year	$ 771
Due after one year through five years	7,682
Due after five years through 10 years	3,303
Due beyond 15 years	800
Total	12,556
Estimated Fair Value
Due within one year	779
Due after one year through five years	7,978
Due after five years through 10 years	3,428
Due beyond 15 years	830
Total	$ 13,015