Marketable Securities (Details 2) $ in Thousands	Jun. 02, 2018 USD ($)
Amortized Cost
Due within one year	$ 2,394
Due after one year through five years	7,039
Due after five years through 10 years	4,563
Due after 10 years through 15 years	240
Due beyond 15 years	1,014
Total	15,250
Estimated Fair Value
Due within one year	2,394
Due after one year through five years	6,980
Due after five years through 10 years	4,512
Due after 10 years through 15 years	240
Due beyond 15 years	1,006
Total	$ 15,132