Marketable Securities (Details 2) $ in Thousands	Aug. 27, 2016 USD ($)
Marketable Securities [Abstract]
Amortized Cost, Due within one year	$ 431
Amortized Cost, Due after one year through five years	4,939
Amortized Cost, Due after five years through 10 years	6,173
Amortized Cost, Due after 10 years through 15 years	1,292
Amortized Cost, Total	12,835
Estimated Market Value, Due within one year	430
Estimated Market Value, Due after one year through five years	5,013
Estimated Market Value, Due after five years through 10 years	6,446
Estimated Market Value, Due after 10 years through 15 years	1,220
Estimated Market Value, Total	$ 13,109