LEASES - Lease Commitments (Details) $ in Thousands	Apr. 30, 2020 USD ($)
Operating Leases
2020	$ 4,054
2021	15,644
2022	12,426
2023	7,786
2024	5,482
Thereafter	23,622
Total lease payments	69,014
Less: imputed interest	9,268
Present value of lease payments	59,746
Less: current maturities of lease obligations	14,034
Long-term lease obligations	45,712
Finance Leases
2020	19
2021	76
2022	76
2023	37
2024	0
Thereafter	0
Total lease payments	208
Less: imputed interest	15
Present value of lease payments	193
Less: current maturities of lease obligations	70
Long-term lease obligations	$ 123