FAIR VALUE MEASUREMENTS (Contingent Consideration Liability) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2017	Oct. 31, 2016
Liabilities [Abstract]
Accrued expenses and other current liabilities	$ 117,578	$ 136,053
Other long-term liabilities	127,043	114,061
Total liabilities	843,928	$ 892,258
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balances, Liabilities	18,881
Increase in accrued contingent consideration	537
Foreign currency transaction adjustments	(373)
Ending Balances, Liabilities	19,045
Liabilities [Abstract]
Accrued expenses and other current liabilities	6,806
Other long-term liabilities	12,239
Total liabilities	$ 19,045