FAIR VALUE MEASUREMENTS, Assets and Liabilities, Measured at Fair Value Using Unobservable Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Change in value of contingent consideration		$ 1,100	$ 3,063
Liabilities, Ending Balance	$ 20,875
Liabilities [Abstract]
Total liabilities	1,018,342	1,133,016
Fair Value, Inputs, Level 3 [Member]
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Liabilities, Opening Balance	27,573	18,881
Contingent consideration related to acquisition	(1,365)	13,797
Increase in accrued contingent consideration		1,100
Change in value of contingent consideration	(5,425)	(7,039)
Liabilities, Ending Balance		27,573	$ 18,881
Liabilities [Abstract]
Accrued Liabilities, Current	6,107
Other Liabilities, Noncurrent	14,768
Total liabilities	20,875
Fair Value, Inputs, Level 3 [Member] | Foreign Currency Gain (Loss) [Member]
Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Change in Unrealized Gain (Loss)	$ 92	$ 834