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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Narrative) (Details) € in Millions	3 Months Ended
	Jan. 31, 2019 USD ($)	Nov. 30, 2018 EUR (€)	Oct. 31, 2018 USD ($)
Derivative financial instruments:
Notional principal of foreign exchange contracts	$ 143,100,000		$ 145,200,000
Unrealized gain (loss), net of tax, to be reclassified in next 12 months	67,000
Not Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts	69,900,000
Forward Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts | €		€ 3.0
Realized gain, net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss	804,000
Unrealized loss, net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss	1,000
Euros [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts	28,100,000
Pounds Sterling [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts	10,100,000
New Taiwan Dollars [Member] | Designated as Hedging Instrument [Member]
Derivative financial instruments:
Notional principal of foreign exchange contracts	$ 29,700,000

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ 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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- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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Amount, after tax, of cumulative translation adjustment attributable to gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (a)
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Amount of increase (decrease) in the cumulative translation adjustment from gain (loss), after tax, on foreign currency derivatives, that are designated as, and are effective as, economic hedges of a net investment in a foreign entity.

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-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 45
-Paragraph 20
-Subparagraph (b),(c),(d)
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