Restructuring Costs (Schedule Of Restructuring Charges) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	May 31, 2017	May 31, 2017	May 28, 2016
Restructuring Costs [Abstract]
Severance costs	$ 839
Office closure costs	496
Total restructuring charge	$ 1,335	$ 1,335	$ 376