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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
9 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Schedule of Product Warranties [Line Items]    
Balances as of beginning of fiscal year $ 3,203 $ 4,079
Accruals for warranties 1,765 579
Acquired warranty liabilities 0 35
Warranty claims settled (1,869) (1,634)
Balances as of end of period $ 3,099 $ 3,059