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Income Taxes (Schedule of Effective income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
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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%

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