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Basis of Presentation and Accounting Policies (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
Sep. 30, 2012
Accounting Policies [Abstract]          
Allowances for doubtful accounts $ 24.2   $ 24.2   $ 28.0
Allowance for certain customer returns, rebates and incentives $ 7.6   $ 7.6   $ 7.9
Antidilutive share-based compensation awards 1.1 2.3 1.5 2.1