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INCOME TAXES, Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balances as of beginning of year $ 2,100 $ 2,040
Increases related to current year tax positions 653 591
Increases related to prior year tax positions 45 20
Settlements 0 (394)
Lapse of statutes of limitations (128) (157)
Balances as of end of year $ 2,670 $ 2,100