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Derivative Financial Instruments (Details 1) (Foreign Exchange Contract [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Company's derivatives on condensed consolidated financial statements of operations  
Amount of (Loss) Gain Recognized in Income $ (394)
Other Income (loss) [Member]
 
Company's derivatives on condensed consolidated financial statements of operations  
Amount of (Loss) Gain Recognized in Income $ (394)