Retirement Benefits (Projected benefit payment) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012
US [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	$ 112.8
2014	118.3
2015	125.4
2016	133.4
2017	142.7
2018 - 2022	836.7
International [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	45.9
2014	46.3
2015	50.4
2016	51.2
2017	53.3
2018 - 2022	362.2
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	12.8
2014	12.7
2015	12.6
2016	12.7
2017	12.4
2018 - 2022	$ 53.6

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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