Employee Benefit Plans (Details 9) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012
Pension Benefits [Member]
Summary of expected future benefit payments
2013	$ 18.2
2014	17.3
2015	18.0
2016	18.7
2017	19.1
2018-2022	111.0
Other Benefits [Member]
Summary of expected future benefit payments
2013	1.5
2014	1.4
2015	0.9
2016	0.7
2017	0.6
2018-2022	$ 1.9

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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

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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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- Definition

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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