Retirement Benefits (Details 7) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014
Pension Benefits [Member]
Estimated future benefit payments
2015	$ 238.4
2016	221.9
2017	227.1
2018	235.5
2019	238.7
2020 - 2024	1,375.2
Other Postretirement Benefits [Member]
Estimated future benefit payments
2015	15.2
2016	15.4
2017	14.6
2018	13.9
2019	13.2
2020 - 2024	$ 30.8

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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=28361610&loc=d3e1928-114920

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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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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.

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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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