Discontinued Operations & Other Divestiture Charges Other Divestiture Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2021	Feb. 29, 2020
Discontinued Operations and Disposal Groups [Abstract]
Impairment & divestiture (benefits) charges	$ 401	$ (768)	$ 539	$ (2,124)
Impairment & Divestiture Benefit		$ 800		$ 800