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Debt (Schedule Of Long-Term Debt) (Details) - USD ($)
$ in Thousands
Oct. 31, 2016
Jul. 31, 2016
Debt [Abstract]    
Notes payable principal $ 8,626 $ 9,168
Less debt issuance costs (85) (93)
Less current maturities (2,510) (2,417)
Notes payable - non-current $ 6,031 $ 6,658