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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Narrative) (Details) € in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Nov. 30, 2016 EUR (€)	Jul. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Jul. 31, 2017 USD ($)	Jul. 31, 2016 USD ($)	Oct. 31, 2016 USD ($)
Derivative financial instruments:
Notional principal of foreign exchange contracts		$ 128,500,000		$ 128,500,000		$ 125,600,000
(Losses) gains, net of tax, related to cash flow hedges deferred in Accumulated Other Comprehensive Loss		(504,000)		(504,000)
Unrealized gain (loss), net of tax, to be reclassified in next 12 months		(1,400,000)		(1,400,000)
Gain (loss) on hedge ineffectiveness		(58,000)	$ (17,000)	110,000	$ 15,000
Not Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts		55,700,000		55,700,000
Forward Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Realized gain on net investment hedge				$ 809,000
Notional amount of derivatives designated as net investment hedge | €	€ 3.0
Derivative maturity date				November 2017
Unrealized gain (loss), net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss		(186,000)		$ (186,000)
Euros [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts		32,900,000		$ 32,900,000
Derivative maturity date				August 2017 through July 2018
Pounds Sterling [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts		10,300,000		$ 10,300,000
Derivative maturity date				August 2017 through July 2018
New Taiwan Dollars [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts		$ 30,700,000		$ 30,700,000
Derivative maturity date				August 2017 through July 2018

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
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