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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Apr. 30, 2012
Apr. 30, 2011
Balances as of beginning of fiscal year $ 2,231 $ 1,636
Accruals for warranties 779 602
Warranty claims settled (611) (414)
Balances as of April 30 $ 2,399 $ 1,824