COMMITMENTS AND CONTINGENCIES (Details 1) (USD $)	12 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Balances as of beginning of year	$ 1,636,000	$ 1,022,000
Accruals for warranties	1,693,000	1,613,000
Warranty claims settled	(1,098,000)	(1,079,000)
Acquired warranty liabilities	0	80,000
Balances as of end of year	$ 2,231,000	$ 1,636,000