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Fair Value Measurements (Tables)
6 Months Ended
Mar. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
March 31, 2017
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Executive savings plan assets$630$630$-
Executive savings plan liabilities(514)(514)-
Contingent consideration(1,112)-(1,112)
Total$(996)$116$(1,112)

September 30, 2016
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Executive savings plan assets$599$599$-
Executive savings plan liabilities(486)(486)-
Contingent consideration(1,100)-(1,100)
Total$(987)$113$(1,100)
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Contingent Consideration Agreement
Fair Value at September 30, 2016$1,100
Issuances464
Settlements(535)
Adjustments to Fair Value83
Fair Value at March 31, 2017$1,112