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STOCK-BASED COMPENSATION (Narrative) (Details) (USD $)
0 Months Ended 12 Months Ended
Mar. 15, 2012
Dec. 14, 2011
Mar. 17, 2011
Dec. 22, 2010
May 13, 2010
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expiration period of options granted           10 years    
Total number of shares of common stock that may be issued as awards under 2008 Plan           750,000    
Stock-based compensation expense           $ 870,000 $ 470,000 $ 141,000
Unrecognized Stock-based compensation expense           1,100,000    
Restricted stock granted 6,475 24,243 5,859 25,000   30,718    
Closing sales price of common stock $ 27.0 $ 21.45 $ 29.86 $ 23.1        
Grant date fair value of restricted stock           $ 22.84 $ 24.38  
Options granted   45,236     20,000 45,236    50,000
Expected volatility   64.00%     63.00%      
Expected term   5 years     5 years      
Dividend yield rate   0.00%     0.00%      
Risk-free interest rate   0.86%     2.30%      
Grant date fair value of stock options   $ 11.5     $ 9.9      
Exercise of common stock options, shares           500    
Proceeds from exercise of common stock options           1,000      
Total intrinsic value of stock options exercised           10,000 0 0
Total intrinsic value of outstanding stock options vested and expected to vest and intrinsic value of options outstanding and exercisable           $ 581,000    
Restricted Stock [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period 1 year 3 years 1 year 3 years        
Stock Options [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period   3 years     3 years