Property, Plant, and Equipment, net (Schedule of Components of Property, Plant, and Equipment, Net) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 50,665	$ 47,896
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	1,502	1,502
Building and Improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	18,591	19,065
Equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	22,295	15,088
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	103	206
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	925	1,017
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	3,043	3,598
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 4,206	$ 7,420