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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
6 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Schedule of Product Warranties [Line Items]    
Balances as of beginning of fiscal year $ 3,203 $ 4,079
Accruals for warranties 1,068 436
Acquired warranty liabilities 0 35
Warranty claims settled (1,150) (1,078)
Balances as of end of period $ 3,121 $ 3,472