LEASES - Lease Commitments (Details) $ in Thousands	Jul. 31, 2020 USD ($)
Accounts Payable and Accrued Liabilities
Operating Leases
2021	$ 16,059
2022	13,039
2023	7,904
2024	5,579
2025	5,410
Thereafter	18,329
Total lease payments	66,320
Less: imputed interest	8,972
Present value of lease payments	57,348
Finance Leases
2021	76
2022	76
2023	38
2024	0
2025	0
Thereafter	0
Total lease payments	190
Less: imputed interest	9
Present value of lease payments	181
Operating and Finance Lease Liability, Current
Operating Leases
Less: current lease obligations	14,207
Finance Leases
Less: current lease obligations	111
Operating and Finance Lease Liability, Noncurrent
Operating Leases
Long-term lease obligations	43,141
Finance Leases
Long-term lease obligations	$ 70