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Nature Of Operations And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)
 12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents $ 31,698,000 $ 48,663,000  
Capitalized costs 600,000    
Capitalized curriculum development spending 7,600,000    
Capitalized development costs 18,000,000.0 15,300,000  
Foreign currency transaction gains (losses) 100,000 (100,000) $ (100,000)
Advertising costs $ 5,500,000 5,200,000 4,500,000
Percent likelihood of being realized upon ultimate settlement 50.00%    
Goodwill, impairment loss $ 0    
Restructuring charges 6,723,000 3,008,000 565,000
Capitalized Development [Member]      
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Capitalized costs 300,000    
Held Outside The US By Foreign Subsidiaries [Member]      
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Cash and cash equivalents 12,200,000    
Covey Trade Name [Member]      
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Goodwill, impairment loss $ 0 $ 0 $ 0
Minimum [Member]      
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Capitalized development costs, amortization period 3 years    
Maximum [Member]      
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]      
Capitalized development costs, amortization period 5 years