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Basis of Presentation and Accounting Policies (Details Textual) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2013
Accounting Policies [Abstract]      
Allowances for doubtful accounts $ 23.9   $ 22.5
Allowance for certain customer returns, rebates and incentives $ 7.8   $ 8.9
Antidilutive share-based compensation awards 0.9 2.2