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Pensions And Other Postretirement Benefits (Estimated Future Benefit Payments) (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2011
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|---|---|
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Pension Benefits [Member]
|
听 |
| Defined Benefit Plan Disclosure [Line Items] | 听 |
| 2012 | $ 73.3 |
| 2013 | 76.9 |
| 2014 | 75.0 |
| 2015 | 76.8 |
| 2016 | 77.1 |
| 2017-2021 | 396.4 |
|
Other Benefits [Member] | Less Medicare Subsidy [Member]
|
听 |
| Defined Benefit Plan Disclosure [Line Items] | 听 |
| 2012 | 1.0 |
| 2013 | 1.1 |
| 2014 | 1.2 |
| 2015 | 1.3 |
| 2016 | 1.4 |
| 2017-2021 | 9.6 |
|
Net Company Payments [Member] | Other Benefits [Member]
|
听 |
| Defined Benefit Plan Disclosure [Line Items] | 听 |
| 2012 | 23.8 |
| 2013 | 24.7 |
| 2014 | 26.1 |
| 2015 | 27.3 |
| 2016 | 28.1 |
| 2017-2021 | 143.1 |
|
Gross Company Benefits [Member] | Other Benefits [Member]
|
听 |
| Defined Benefit Plan Disclosure [Line Items] | 听 |
| 2012 | 24.8 |
| 2013 | 25.8 |
| 2014 | 27.3 |
| 2015 | 28.6 |
| 2016 | 29.5 |
| 2017-2021 | $ 152.7 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount of the aggregate benefits expected to be paid in the five fiscal years thereafter (the aggregate amount of benefits expected to be paid in years 6 through 10 after the date of the latest statement of financial position). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the benefits expected to be paid in Year 5. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the benefits expected to be paid in Year 4. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the benefits expected to be paid in Year 1. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the benefits expected to be paid in Year 3. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the benefits expected to be paid in Year 2. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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