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Fair Value Measurements (Tables)
3 Months Ended
Dec. 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]
December 31, 2017
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Executive savings plan assets$670$670$-
Executive savings plan liabilities(557)(557)-
Contingent consideration(786)-(786)
Total$(673)$113$(786)

September 30, 2017
Total Fair ValueQuoted Prices (Level 1)Significant Unobservable Inputs (Level 3)
Executive savings plan assets$641$641$-
Executive savings plan liabilities(529)(529)-
Contingent consideration(786)-(786)
Total$(674)$112$(786)
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]
Contingent Consideration Agreements
Fair Value at September 30, 2017$786
Issuances-
Settlements-
Fair Value at December 31, 2017$786