Quarterly report pursuant to Section 13 or 15(d)

Derivatives Narrative (Details)

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Derivatives Narrative (Details) - USD ($)
 3 Months Ended 6 Months Ended 150 Months Ended
Feb. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Feb. 28, 2023
Feb. 29, 2024
Aug. 31, 2023
Dec. 08, 2022
Derivative [Line Items]              
Foreign Currency Contract, Liability/Asset, Fair Value Disclosure $ 100,000   $ 100,000   $ 100,000 $ 100,000  
Loss on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value 106,000 $ (16,000) 398,000 $ 620,000      
Long-term Debt 245,500,000   245,500,000   $ 245,500,000 214,750,000  
Derivatives used in Net Investment Hedge, Increase (Decrease), Gross of Tax 200,000 (300,000) 200,000 (300,000)      
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge 100,000 $ 500,000 (100,000) $ 500,000      
Treasury Stock, Shares, Acquired         29,866,946    
Fair Value Hedging [Member]              
Derivative [Line Items]              
Derivative, Notional Amount 19,300,000   19,300,000   $ 19,300,000 $ 13,800,000  
Net Investment Hedging [Member]              
Derivative [Line Items]              
Derivative, Fair Value, Net $ 30,500,000   $ 30,500,000   $ 30,500,000    
Interest Rate Swap [Member]              
Derivative [Line Items]              
Derivative, Amount of Hedged Item             $ 60,000,000
Derivative, Fixed Interest Rate             4.022%