DEBT - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jul. 31, 2021
Debt Instrument [Line Items]
Total debt, excluding obligations under leases	$ 75,639	$ 73,803
Less current portion	7,466	6,976
Total long-term debt, excluding obligations under leases	68,173	66,827
Line of Credit \| Secured Debt
Debt Instrument [Line Items]
Total debt, excluding obligations under leases	51,745	47,025
Line of Credit \| Medium-term Notes
Debt Instrument [Line Items]
Total debt, excluding obligations under leases	18,407	21,104
Notes Payable to Banks
Debt Instrument [Line Items]
Total debt, excluding obligations under leases	$ 5,487	$ 5,674

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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