Basis of Presentation and Accounting Policies (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Basis of Presentation and Accounting Policies (Textuals) [Abstract]
Percentage of sales recorded when: an agreement of sale exists, price is fixed or determinable, collection is reasonably assured and product has been delivered and accepted or services rendered	85.00%
Allowances for doubtful accounts	$ 26.1	$ 17.9
Allowance for certain customer returns, rebates and incentives	8.0	16.4
Research and development costs	$ 254.4	$ 198.9	$ 170.0
Antidilutive share-based compensation awards	2.1	4.9	7.5
Trademarks [Member]
Intangible Assets (Textuals) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Minimum	2
Finite-Lived Intangible Assets, Useful Life, Maximum	10
Customer relationships [Member]
Intangible Assets (Textuals) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Minimum	7
Finite-Lived Intangible Assets, Useful Life, Maximum	20
Technology [Member]
Intangible Assets (Textuals) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Minimum	7
Finite-Lived Intangible Assets, Useful Life, Maximum	17
Other [Member]
Intangible Assets (Textuals) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Minimum	2
Finite-Lived Intangible Assets, Useful Life, Maximum	30
Buildings and Improvements [Member]
Property (Textuals) [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	15
Property, Plant and Equipment, Useful Life, Maximum	40
Machinery and Equipment [Member]
Property (Textuals) [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	14
Computer hardware and internal use software [Member]
Property (Textuals) [Abstract]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	10