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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
 12 Months Ended 12 Months Ended
Oct. 31, 2012
USD ($)
Oct. 31, 2011
USD ($)
Oct. 31, 2010
USD ($)
Oct. 31, 2012
Minimum [Member]
Oct. 31, 2012
Maximum [Member]
Oct. 31, 2012
Forward Contracts [Member]
Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Forward Contracts [Member]
Designated as Hedging Instrument [Member]
EUR (€)
Oct. 31, 2012
Forward Contracts [Member]
Minimum [Member]
Designated as Hedging Instrument [Member]
Oct. 31, 2012
Forward Contracts [Member]
Minimum [Member]
Not Designated as Hedging Instrument [Member]
Oct. 31, 2012
Forward Contracts [Member]
Maximum [Member]
Designated as Hedging Instrument [Member]
Oct. 31, 2012
Forward Contracts [Member]
Maximum [Member]
Not Designated as Hedging Instrument [Member]
Oct. 31, 2012
Euros [Member]
Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Pounds Sterling [Member]
Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Forward Contracts Denominated in Euros, Pounds Sterling, Canadian Dollars, South African Rand and Singapore Dollars [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Forward Contracts Denominated in New Taiwan Dollars [Member]
Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Forward Contracts Denominated in New Taiwan Dollars [Member]
Not Designated as Hedging Instrument [Member]
USD ($)
Oct. 31, 2012
Hurco Automation, Ltd. [Member]
USD ($)
Oct. 31, 2011
Hurco Automation, Ltd. [Member]
USD ($)
Consolidation                                    
Ownership interest                                 35.00%  
Equity investment in affiliate                                 $ 2,400,000 $ 2,100,000
Translation of Foreign Currencies                                    
Cumulative foreign currency translation adjustments 2,200,000                                  
Derivative financial instruments:                                    
Derivative maturity date           Nov. 30, 2013   Nov. 30, 2012 Nov. 30, 2012 Oct. 31, 2013 Apr. 30, 2013              
Notional principal of foreign exchange contracts                       36,200,000 9,800,000 20,500,000 26,300,000 10,800,000    
(Losses) gains, net of tax, related to cash flow hedges deferred in Accumulated Other Comprehensive Loss 1,100,000                                  
Unrealized gains, net of tax, to be reclassified in next 12 months 30,000                                  
Notional amount of derivatives designated as net investment hedge             3,000,000                      
Realized gain on net investment hedge           227,000                        
Unrealized loss, net of tax, recorded as cumulative translation adjustments in Accumulated Other Comprehensive Loss           106,000                        
Gain (loss) on hedge ineffectiveness 482,000 (3,000)                                
Property and Equipment                                    
Depreciation and amortization expense 2,200,000 2,100,000 2,100,000                              
Research and Development Costs                                    
Research and development expenses 2,600,000 2,500,000 2,200,000                              
Amortization period       3 years 5 years                          
Capitalized costs 1,000,000 1,100,000 1,200,000                              
Amortization expense 1,900,000 2,200,000 1,700,000                              
Accumulated amortization $ 11,900,000 $ 10,000,000