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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Schedule of Product Warranties [Line Items]    
Balances as of beginning of fiscal year $ 3,379 $ 3,015
Accruals for warranties 641 175
Warranty claims settled (541) (323)
Balances as of end of period $ 3,479 $ 2,867