SELECTED FINANCIAL STATEMENT INFORMATION (Details Textuals) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2011	Jul. 31, 2010	Jul. 31, 2011	Jul. 31, 2010	Oct. 31, 2010
Accrued customer rebates and credits	$ 7,606,000		$ 7,606,000		$ 9,230,000
Total customer rebates and credits deducted within net sales	$ 2,288,000	$ 2,244,000	$ 6,704,000	$ 6,642,000