QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Details Textuals) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Net Income Impact From Research And Development Credits Net Of Expenses	$ 1.7	$ 1.8
Impact from US Federal R&D Tax Credit on Earnings Per Share, Basic	$ 0.03
Impact from US Federal R&D Tax Credit on Earnings Per Share, Diluted	$ 0.02
Earnings Per Share Impact From Research And Development Credits Net Of Expenses		$ 0.03
FY 2016 Acquisition [Member]
Business Combination, Acquisition Related Costs	$ 3.1
Impact to Net Income from Acquisition Costs, Net of Tax	$ 2.0
Impact to Net Income from Acquisition Costs, Net of Tax Per Basic and Diluted Share	$ 0.03