Marketable Securities (Details 2) $ in Thousands	Aug. 29, 2015 USD ($)
Marketable Securities [Abstract]
Amortized Cost, Due within one year	$ 26,090
Amortized Cost, Due after one year through five years	3,942
Amortized Cost, Due after five years through 10 years	4,113
Amortized Cost, Due after 10 years through 15 years	0
Amortized Cost, Total	34,145
Estimated Market Value, Due within one year	26,091
Estimated Market Value, Due after one year through five years	3,850
Estimated Market Value, Due after five years through 10 years	4,143
Estimated Market Value, Due after 10 years through 15 years	0
Estimated Market Value, Total	$ 34,084