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Fair Value (Details 1) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Jan. 31, 2015
The fair value measurement of the contingent consideration encompasses the following significant unobservable inputs  
Estimated contingent consideration payments $ 5,000adi_EstimatedContingentConsiderationPayments
Discount rate, minimum 0.00%adi_FairValueInputsDiscountRateMinimum
Discount rate, maximum 10.00%adi_FairValueInputsDiscountRateMaximum
Timing of cash flows, minimum 1 year
Fair Value Inputs Timing Of Cash Flows Maximum 2 years
Probability of achievement 100.00%adi_FairValueInputsProbabilityAssumption