DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Narrative) (Details)	3 Months Ended	6 Months Ended			6 Months Ended			6 Months Ended
	Apr. 30, 2014 USD ($)	Apr. 30, 2014 USD ($)	Apr. 30, 2015 USD ($)	Oct. 31, 2014 USD ($)	Apr. 30, 2015 Forward Contracts [Member] Designated As Hedging Instrument [Member] USD ($)	Apr. 30, 2015 Forward Contracts [Member] Designated As Hedging Instrument [Member] EUR (€)	Apr. 30, 2015 Forward Contracts [Member] Not Designated as Hedging Instrument [Member] USD ($)	Apr. 30, 2015 Forward Contracts [Member] Minimum [Member] Designated As Hedging Instrument [Member]	Apr. 30, 2015 Forward Contracts [Member] Minimum [Member] Not Designated as Hedging Instrument [Member]	Apr. 30, 2015 Forward Contracts [Member] Maximum [Member] Designated As Hedging Instrument [Member]	Apr. 30, 2015 Forward Contracts [Member] Maximum [Member] Not Designated as Hedging Instrument [Member]	Apr. 30, 2015 Euros [Member] Designated As Hedging Instrument [Member] USD ($)	Apr. 30, 2015 Pounds Sterling [Member] Designated As Hedging Instrument [Member] USD ($)	Apr. 30, 2015 New Taiwan Dollars [Member] Designated As Hedging Instrument [Member] USD ($)
Derivative [Line Items]
Derivative maturity date								May 31, 2015	May 31, 2015	Apr. 30, 2016	Oct. 31, 2015
Notional amount			$ 106,000,000	$ 122,200,000		€ 3,000,000	$ 39,700,000					$ 28,400,000	$ 10,300,000	$ 22,100,000
Gains related to cash flow hedges deferred in accumulated other comprehensive loss net of tax			3,300,000
Unrealized gains to be reclassified in next 12 months net of tax			1,600,000
Realized gain on net investment hedge					452,000
Unrealized gains, net of tax, recorded as cumulative translation adjustments in Accumulated other comprehensive loss					229,000
Gain (loss) on hedge ineffectiveness	$ (10,000)	$ (29,000)