Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment by Major Asset Class (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 99,037	$ 97,108
Accumulated depreciation	50,079	42,243
Property, plant and equipment, net	48,958	54,865
Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	979	975
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	15,393	15,446
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment	$ 82,665	$ 80,687