Quarterly report pursuant to Section 13 or 15(d)

Derivatives Narrative (Details)

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Derivatives Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Aug. 31, 2021
Derivative [Line Items]          
Foreign Currency Contract, Liability/Asset, Fair Value Disclosure $ (100)   $ (100)   $ (100)
Loss on Foreign Currency Fair Value Hedge Derivatives and Not Designated as Hedging Instruments at Fair Value 54 $ 109 (128) $ 61  
London Interbank Offered Rate (LIBOR)          
Derivative [Line Items]          
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months   $ 100   $ 100  
Fair Value Hedging [Member]          
Derivative [Line Items]          
Derivative, Fair Value, Net $ 19,600   $ 19,600   16,000
Interest Rate Swap [Member] | London Interbank Offered Rate (LIBOR)          
Derivative [Line Items]          
Derivative, Amount of Hedged Item         $ 100,000
Derivative, Fixed Interest Rate         0.259%