LEASES, Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
LEASES [Abstract]
Rent expense under operating leases			$ 3,000
Lease, Cost [Abstract]
Operating lease costs	$ 2,904	$ 3,076
Short-term lease costs	232	359
Variable lease costs	498	378
Interest on lease liabilities	510	0
Amortization of ROU assets	$ 1,867	$ 0