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INCOME TAXES, Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 31, 2016
Oct. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Balances as of beginning of year $ 787 $ 879
Increases related to current year tax positions 524 279
Increases related to prior year tax positions 521 30
Decreases related to prior year tax positions (14) (80)
Settlements 0 (118)
Lapse of statutes of limitations (216) (203)
Balances as of end of year $ 1,602 $ 787