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Inventories (Tables)
3 Months Ended
Jan. 31, 2013
Inventories [Abstract]  
Components Of Inventories
    January 31,   October 31,
    2013   2012
 
Finished goods $ 6,312,948 $ 5,909,892
Work in process   3,855,637   3,220,423
Raw materials   9,090,401   9,106,277
Production supplies   200,827   227,427
Total $ 19,459,813 $ 18,464,019