FAIR VALUE MEASUREMENTS (Contingent Consideration Liability) (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2022	Oct. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Accrued Liabilities, Current	$ 203,289	$ 206,857
Other Liabilities, Noncurrent	350,016	$ 378,257
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening balance, Liabilities	62,286
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)	9,835
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases	(1,773)
Ending balance, Liabilities	69,910
Accrued Liabilities, Current	10,148
Other Liabilities, Noncurrent	59,762
Significant Unobservable Inputs (Level 3) [Member] | Foreign Currency Gain (Loss)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss)	$ (438)