Income Taxes (Schedule of Effective income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Income Tax Disclosure [Abstract]
U.S. statutory rate	$ 19,863	$ 16,601	$ 21,079
State and local taxes, net of federal tax benefit	1,571	1,471	1,259
Foreign tax rate differences	(332)	1,658	6,017
NOLs	(242)	(1,349)
U.S. tax reform			(103)
Deferred tax asset valuation allowance			(610)
Federal credits	(1,691)	(1,256)	(445)
Uncertain tax benefits	(385)	(221)	(84)
Capital gains			529
International credits		(4,386)
Other	1,747	275	354
Total income tax provision	$ 20,531	$ 12,793	$ 27,996
U.S statutory rate, percentage	21.00%	21.00%	21.00%
State and local taxes, net of federal tax benefit, percentage	1.70%	1.90%	1.30%
Foreign tax rate differences, percentage	(0.40%)	2.10%	6.00%
NOLs, percentage	(0.30%)	(1.70%)
U.S. tax reform, percentage			(0.10%)
Deferred tax asset valuation allowance, percentage			(0.60%)
Federal Credits, percentage	(1.80%)	(1.60%)	(0.40%)
Uncertain Tax Benefits, percentage	(0.40%)	(0.30%)	(0.10%)
Capital gains, percentage			0.50%
International credits, percentage		(5.50%)
Other, percentage	1.90%	0.30%	0.30%
Effective rate, percentage	21.70%	16.20%	27.90%