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RESEARCH AND DEVELOPMENT EXPENSES (Details Textuals) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 30, 2012
Apr. 30, 2011
Apr. 30, 2012
Apr. 30, 2011
New product research and development expenses $ 8.4 $ 6.1 $ 14.9 $ 11.7