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Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Property, Plant and Equipment [Line Items]      
Allowance for credit loss $ 1,200,000 $ 0 $ 0
Depreciation 7,600,000 8,000,000.0 7,100,000
Cost of goods sold, depreciation 4,000,000.0 3,900,000 3,000,000.0
Impairment of goodwill 0 0 0
Impairment of long-lived assets 0 0 0
Total long-term borrowings 86,195,000 85,977,000  
Self-insurance reserves 0 0  
Shipping and handling costs 18,200,000 17,300,000 17,100,000
Research and development expense 8,700,000 8,000,000.0 6,200,000
Foreign currency transactions gain (loss), before tax 700,000 (1,300,000) 500,000
Unrealized foreign currency gains (losses) $ (355,000) (200,000) 1,702,000
Restricted Stock Units | Nonemployee directors      
Property, Plant and Equipment [Line Items]      
Vesting period 1 year    
Foreign Currency Forward Contracts      
Property, Plant and Equipment [Line Items]      
Foreign currency forward contracts outstanding $ 2,800,000    
Unrealized foreign currency gains (losses) 0 0 0
Realized foreign currency gains (losses) 0 0 0
Level 2 | Senior Notes      
Property, Plant and Equipment [Line Items]      
Fair value of senior notes 61,200,000    
Total long-term borrowings 66,000,000.0    
Level 2 | Recurring      
Property, Plant and Equipment [Line Items]      
Assets 0    
Liabilities 0    
Level 2 | Nonrecurring      
Property, Plant and Equipment [Line Items]      
Assets 0 0 0
Liabilities $ 0 $ 0 $ 0
Minimum      
Property, Plant and Equipment [Line Items]      
Service period of employee awards 1 year    
Minimum | Internal-Use Software And Cloud Computing Arrangements      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 3 years    
Maximum      
Property, Plant and Equipment [Line Items]      
Service period of employee awards 3 years    
Maximum | Internal-Use Software And Cloud Computing Arrangements      
Property, Plant and Equipment [Line Items]      
Property and equipment, useful life 5 years