Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Executive Savings Plan - Assets	$ 649	$ 599
Executive Savings Plan - Liabilities	(537)	(486)
Contingent Consideration Fair Value	1,347	1,100
Fair Value Net Asset (Liability)	(1,235)	(987)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Executive Savings Plan - Assets	649	599
Executive Savings Plan - Liabilities	(537)	(486)
Fair Value Net Asset (Liability)	112	113
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent Consideration Fair Value	1,347	1,100
Fair Value Net Asset (Liability)	$ 1,347	$ 1,100