Basis of Presentation - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2015	Sep. 30, 2015
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 32,793	$ 33,269
Accumulated depreciation and amortization	(15,714)	(15,508)
Property, plant and equipment - net	$ 17,079	17,761
Building | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	20 years
Building | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	30 years
Land, building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 17,904	18,095
Equipment and machinery
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 9,564	9,709
Equipment and machinery | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Equipment and machinery | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	7 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,325	$ 5,465
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	10 years
Leasehold Improvements | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)	7 years