Basis of Presentation - Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended					6 Months Ended				6 Months Ended
	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2014 Building	Mar. 31, 2014 Land, building and leasehold improvements	Sep. 30, 2013 Land, building and leasehold improvements	Mar. 31, 2014 Equipment and machinery	Sep. 30, 2013 Equipment and machinery	Mar. 31, 2014 Equipment and machinery Minimum [Member]	Mar. 31, 2014 Equipment and machinery Maximum [Member]	Mar. 31, 2014 Furniture and fixtures	Sep. 30, 2013 Furniture and fixtures	Mar. 31, 2014 Furniture and fixtures Minimum [Member]	Mar. 31, 2014 Furniture and fixtures Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)			20 years					3 years	7 years			5 years	10 years
Property, plant and equipment, gross	$ 24,798	$ 24,275		$ 11,122	$ 10,960	$ 7,895	$ 7,630			$ 5,781	$ 5,685
Accumulated depreciation and amortization	(14,260)	(13,209)
Property, plant and equipment - net	$ 10,538	$ 11,066