The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

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-Publisher FASB

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 44D

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

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Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Aggregate notional amount of all nonderivative instruments that are designated as hedging instruments in a hedge of the net investment of foreign operations. For example, foreign currency denominated intercompany loans.

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Financial Instruments (Narrative) (Details) In Millions, unless otherwise specified									6 Months Ended
	Mar. 31, 2014 USD ($)	Sep. 30, 2013 USD ($)	Mar. 31, 2014 Foreign Currency Debt [Member] EURO Denominated [Member] USD ($)	Mar. 31, 2014 Foreign Currency Debt [Member] EURO Denominated [Member] EUR (€)	Sep. 30, 2013 Foreign Currency Debt [Member] EURO Denominated [Member] USD ($)	Sep. 30, 2013 Foreign Currency Debt [Member] EURO Denominated [Member] EUR (€)	Mar. 31, 2014 Foreign Currency Debt [Member] RMB Denominated [Member] USD ($)	Mar. 31, 2014 Foreign Currency Debt [Member] RMB Denominated [Member] CNY	Mar. 31, 2014 Forward Exchange Contracts [Member]	Mar. 31, 2014 Interest rate management contract [Member]
Derivative [Line Items]
Notional Amount included in designated foreign currency denominated debt			$ 1,241.6	€ 901.3	$ 1,228.4	€ 908.3	$ 119.1	740.9
Maximum Remaining Maturity of Foreign Currency Derivatives									3 years 4 months
Maximum length of time of hedged exposures, years										0 years 11 months
Net liability position of derivatives with credit risk-related contingent features	16.0	10.0
Collateral posted on liability positions with credit risk-related contingent features	0
Collateral amount counterparties would be required to post if rating falls below threshold	$ 57.9	$ 80.6