Property, Plant And Equipment (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 03, 2016	Aug. 29, 2015	Aug. 30, 2014
Property, Plant And Equipment [Abstract]
Capitalized interest, net of accumulated amortization	$ 796	$ 847
Depreciation expense	$ 57,052	$ 52,799	$ 47,729