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Fair Value Measurements Unobservable Inputs (Details) (USD $)
9 Months Ended
Jun. 30, 2013
Sep. 30, 2012
FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward    
FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue $ 327 $ 0
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues 665  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements 0  
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings (338)  
Fair Value Ending Balance $ 327 $ 0