Basis of Presentation - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2015	Sep. 30, 2014
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 35,259	$ 24,056
Accumulated depreciation	(15,217)	(14,304)
Property, plant and equipment - net	$ 20,042	9,752
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)	25 years
Land, building and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 18,137	10,414
Equipment and machinery
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 11,704	8,189
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	$ 5,418	$ 5,453
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