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FAIR VALUE MEASUREMENTS (Details 1) (Fair Value, Inputs, Level 3 [Member], USD $)
In Thousands, unless otherwise specified
6 Months Ended
Apr. 30, 2013
Fair Value, Inputs, Level 3 [Member]
 
Assets  
Opening Balance, Assets $ 538
Decrease in value of contingent consideration 0
Total realized gains 48
Sales (586)
Ending Balance, Assets 0
Liabilities  
Opening Balances, Liabilities 10,897
Decrease in value of contingent consideration (1,203)
Total realized gains 0
Sales 0
Ending Balances, Liabilities $ 9,694