Income Taxes (Differences Between Income Taxes At The Statutory Federal Income Tax Rate And Income Taxes From Continuing Operations) (Details)	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Income Taxes [Abstract]
Federal statutory income tax rate	(21.00%)	(21.00%)	(21.00%)
State income taxes, net of federal effect	(4.00%)	(4.70%)	(3.90%)
Valuation allowance	(3.50%)	1.40%	12.90%
Foreign tax credit carryforward reduction		(0.30%)
Foreign jurisdictions tax differential	0.10%	(0.20%)	(1.10%)
Tax differential on income subject to both U.S. and foreign taxes	1.50%	(1.40%)	(0.20%)
Uncertain tax positions	(0.30%)	(0.90%)	(0.80%)
Non-deductible executive compensation	(9.70%)	(3.60%)	(5.50%)
Non-deductible meals and entertainment	(0.80%)	(0.70%)	(0.10%)
Other stock-based compensation	7.70%	(0.40%)	2.50%
Other	0.80%	0.50%	0.70%
Income tax rate	(29.20%)	(31.30%)	(16.50%)