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Aggregate amount of intangible asset amortization recognized as expense during the period.

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The amount of amortization expense expected to be recognized during the remainder of the current fiscal year.

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No definition available.

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The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

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Goodwill and Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Component of Company's Intangible Assets (Textual) [Abstract]
Amortization expense of intangible assets	$ 13.0	$ 4.9	$ 18.8	$ 9.6
Expected aggregate amortization expense of intangible assets for the next five fiscal years:
Fiscal 2012			27.4
Fiscal 2013			52.7
Fiscal 2014			51.7
Fiscal 2015			49.7
Fiscal 2016			$ 46.4