Pension and Other Post-Retirement Benefits (Details 9) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014
Qualified Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	$ 28.2
2016	28.3
2017	28.7
2018	29.2
2019	29.6
Years 2020-2024	152.2
Total	296.2
Nonqualified Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	2.0
2016	2.2
2017	2.3
2018	2.3
2019	2.8
Years 2020-2024	15.3
Total	26.9
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	3.5
2016	3.4
2017	3.3
2018	3.2
2019	3.1
Years 2020-2024	14.0
Total	$ 30.5

Defined benefit plan estimated future benefit payments.

No definition available.

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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=35743120&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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