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FAIR VALUE MEASUREMENTS (Contingent Consideration Liability) (Details) - USD ($) $ in Thousands	6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Oct. 31, 2016
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in value of contingent consideration	$ 1,148	$ 1,679
Liabilities [Abstract]
Total liabilities	19,671		$ 18,881
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening balance, Liabilities	18,881
Increase in accrued contingent consideration	1,148
Change in value of contingent consideration	(250)
Ending balance, Liabilities	19,671
Liabilities [Abstract]
Accrued Liabilities, Current	6,944
Other Liabilities, Noncurrent	12,727
Total liabilities	19,671		$ 18,881
Foreign Currency Gain (Loss) [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Foreign currency transaction adjustments	$ (108)

X

- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
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Amount of liability recognized arising from contingent consideration in a business combination.

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