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Basis of Presentation Basis of Presentation - Impact from Thailand Flood (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Sep. 30, 2011
Acquisition of equipment under capital lease $ 3,722 $ 0  
Capital lease obligations $ 2,924   $ 1,279