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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2017
Jan. 31, 2016
Schedule of Product Warranties [Line Items]    
Balances as of beginning of fiscal year $ 3,351 $ 3,203
Accruals for warranties 782 301
Warranty claims settled (619) (534)
Balances as of January 31 $ 3,514 $ 2,970