Basis Of Presentation (Narrative) (Details) $ in Thousands	6 Months Ended
	Feb. 29, 2020 USD ($) country item	Sep. 01, 2019 USD ($)
Business Acquisition [Line Items]
Number of areas of expertise | item	7
Number of important distinguishing characteristics from competitors | item	3
Operating lease liabilities	$ 1,662
Operating lease right of use assets	$ 1,662
Accounting Standards Update 2016-02 [Member]
Business Acquisition [Line Items]
Operating lease liabilities		$ 1,500
Operating lease right of use assets		$ 1,500
Minimum [Member]
Business Acquisition [Line Items]
Number of countries in which entity operates | country	140