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Fair Value Measurements (Reconciliation of Liability) (Details)
$ in Thousands
12 Months Ended
Sep. 30, 2016
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Fair value at beginning of period $ 0
Purchase price contingent consideration 10,400
Change in fair value of contingent consideration (440)
Fair value at end of period $ 9,960