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Summary of Significant Accounting Policies (Inventories) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Percentage of weighted average cost inventory 70.00%  
Purchased parts and raw materials $ 8,797 $ 11,757
Work-in-process 4,809 7,104
Finished goods 3,154 3,140
Inventory $ 16,760 $ 22,001