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Goodwill And Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Intangible Assets (Textual) [Abstract]    
Amortization of Intangible Assets $ 9,844 $ 2,226
Remainder of Fiscal 2013 29,011  
2014 37,554  
2015 35,362  
2016 34,190  
2017 $ 32,111