Fair Value Of Financial Instruments (Schedule Of Contingent Consideration Liability) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	May 31, 2022	Feb. 28, 2022	Nov. 30, 2021	May 31, 2021	May 31, 2022	May 31, 2021
Business Acquisition, Contingent Consideration [Line Items]
Change in fair value	$ 12			$ 118	$ 60	$ 164
Jhana [Member]
Business Acquisition, Contingent Consideration [Line Items]
Balance at beginning	1,472	$ 1,755	$ 2,095		2,095
Change in fair value	12	20	28
Payments	(428)	(303)	(368)
Balance at ending	$ 1,056	$ 1,472	$ 1,755		$ 1,056