Acquisitions (Details) (USD $) In Millions, unless otherwise specified			9 Months Ended
	Sep. 30, 2011	Jun. 30, 2011	Jun. 30, 2011 Trademarks [Member]	Jun. 30, 2011 Customer Relationships [Member]	Jun. 30, 2012 Technology [Member]	Jun. 30, 2011 Technology [Member]	Jun. 30, 2011 Other Intangible Assets [Member]
Acquisitions (Textual) [Abstract]
Liabilities incurred	$ 10.9
Business Acquisition, Cost of Acquired Entity, Purchase Price		58.8
Business Acquisition, Purchase Price Allocation, Goodwill Amount		34.0
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount			$ 1.3	$ 14.3	$ 3.2	$ 1.5	$ 0.6
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life			2 years	14 years	10 years	10 years	4 years