Basis of Presentation - Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified							3 Months Ended				3 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2012 Land, building and leasehold improvements [Member]	Sep. 30, 2012 Land, building and leasehold improvements [Member]	Dec. 31, 2012 Equipment and machinery [Member]	Sep. 30, 2012 Equipment and machinery [Member]	Dec. 31, 2012 Equipment and machinery [Member] Minimum [Member]	Dec. 31, 2012 Equipment and machinery [Member] Maximum [Member]	Dec. 31, 2012 Furniture and fixtures [Member]	Sep. 30, 2012 Furniture and fixtures [Member]	Dec. 31, 2012 Furniture and fixtures [Member] Minimum [Member]	Dec. 31, 2012 Furniture and fixtures [Member] Maximum [Member]	Dec. 31, 2012 Building [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life (in years)							3 years	7 years			5 years	10 years	20 years
Property, plant and equipment, gross	$ 23,802	$ 23,206	$ 10,730	$ 10,476	$ 7,495	$ 7,272			$ 5,577	$ 5,458
Accumulated depreciation and amortization	(11,537)	(10,819)
Property, plant and equipment - net	$ 12,265	$ 12,387