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PENSION BENEFITS (Details 5) (USD $)
Apr. 30, 2013
Oct. 31, 2012
Oct. 31, 2011
Compensation and Retirement Disclosure [Abstract]      
Accrued pension expense $ (4,387,612) $ (4,240,964) $ (3,312,316)
Accumulated other comprehensive loss (pre-tax)   4,960,745 3,824,812
Net amount recognized at end of year   $ 719,781 $ 512,496