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FAIR VALUE MEASUREMENTS FAIR VALUE MEASUREMENTS (Level 3 Valuation Inputs) (Details) - Fair Value, Inputs, Level 3 [Member]
6 Months Ended
Apr. 30, 2016
FY 2016 Acquisition [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair Value Inputs, Discount Rate 3.70%
FY 2016 Acquisition [Member] | Minimum [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Negative Long-term Revenue Growth Rate (3.00%)
FY 2016 Acquisition [Member] | Maximum [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair Value Inputs, Long-term Revenue Growth Rate 11.00%
FY 2015 Acquisition [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair Value Inputs, Discount Rate 1.70%
FY 2015 Acquisition [Member] | Minimum [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair Value Inputs, Long-term Revenue Growth Rate 2.00%
FY 2015 Acquisition [Member] | Maximum [Member]  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair Value Inputs, Long-term Revenue Growth Rate 17.00%