Financial Instruments (Details 2) $ in Thousands	Sep. 01, 2018 USD ($)
Amortized Cost
Due within one year	$ 543
Due after one year through five years	7,897
Due after five years through 10 years	3,811
Due after 10 years through 15 years	200
Due beyond 15 years	917
Total	13,368
Estimated Fair Value
Due within one year	539
Due after one year through five years	7,797
Due after five years through 10 years	3,751
Due after 10 years through 15 years	200
Due beyond 15 years	910
Total	$ 13,197