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Inventory (Schedule of Components of Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Sep. 30, 2013
Inventory Disclosure [Abstract]    
Raw materials $ 11,091 $ 12,094
Work in-process 5,658 4,122
Finished goods 10,800 15,899
Inventory $ 27,549 $ 32,115