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Goodwill and Intangible Assets (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Component of Company's Intangible Assets (Textual) [Abstract]    
Amortization expense of intangible assets $ 13.3 $ 13.3
Expected aggregate amortization expense of intangible assets for the next five fiscal years:    
Remainder of fiscal 2013 39.6  
Fiscal 2014 50.0  
Fiscal 2015 43.4  
Fiscal 2016 36.9  
Fiscal 2017 $ 35.6