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Inventories (Tables)
9 Months Ended
Jul. 31, 2012
Inventories [Abstract]  
Components Of Inventories
    July 31,   October 31,
    2012   2011
 
Finished goods $ 5,265,652 $ 5,572,296
Work in process   4,008,269   3,301,168
Raw materials   9,524,732   7,364,043
Production supplies   233,208   259,678
Total $ 19,031,861 $ 16,497,185