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Inventory (Schedule of Components of Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Sep. 30, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 12,647 $ 12,094
Work in-process 4,751 4,122
Finished goods 14,631 15,899
Inventory $ 32,029 $ 32,115