Stock-Based Compensation (Total Cost Of Stock-Based Compensation) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2022	Nov. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	$ 2,735	$ 1,649
Long-Term Incentive Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	2,339	1,123
Strive Acquisition Compensation [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	166	279
Unvested Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	165	175
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	$ 65	57
Fully-Vested Share Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost		$ 15