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Goodwill and Intangible Assets (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Component of Company's Intangible Assets (Textual) [Abstract]        
Amortization expense of intangible assets $ 13.3 $ 12.4 $ 40.2 $ 31.2
Expected aggregate amortization expense of intangible assets for the next five fiscal years:        
Remainder of fiscal 2013 12.5   12.5  
Fiscal 2014 50.5   50.5  
Fiscal 2015 47.4   47.4  
Fiscal 2016 41.3   41.3  
Fiscal 2017 $ 35.0   $ 35.0