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Leases (Right-of-Use Assets and Lease Liabilities) (Details) - USD ($)
$ in Thousands
Aug. 31, 2023
Aug. 31, 2022
Leases [Abstract]    
Operating lease right-of-use assets $ 7,820 $ 7,559
Current operating lease liabilities 2,144 1,703
Long-term operating lease liabilities 5,832 5,999
Total operating lease liabilities $ 7,976 $ 7,702
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued liabilities Accrued liabilities