Pensions And Other Employee Benefits (Target Asset Allocation And Ranges Of Post Retirement Benefit Plan) (Details)	12 Months Ended
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Total Equities	60.00%
Total Fixed Income	40.00%
Total Target Allocation	100.00%
Equities, Target Allocation Minimum Range	50.00%
Equities, Target Allocation Maximum Range	70.00%
Fixed Income, Target Allocation Minimum Range	30.00%
Fixed Income, Target Allocation Maximum Range	50.00%
Total Target Range	100.00%
U.S. Large-Cap Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Equities	25.00%
Equities, Target Allocation Minimum Range	15.00%
Equities, Target Allocation Maximum Range	40.00%
U.S. Small-Cap Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Equities	5.00%
Equities, Target Allocation Minimum Range	0.00%
Equities, Target Allocation Maximum Range	10.00%
Global Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Equities	10.00%
Equities, Target Allocation Minimum Range	5.00%
Equities, Target Allocation Maximum Range	20.00%
Non-U.S. Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Equities	10.00%
Equities, Target Allocation Minimum Range	5.00%
Equities, Target Allocation Maximum Range	20.00%
Alternative Equity Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Equities	10.00%
Equities, Target Allocation Minimum Range	0.00%
Equities, Target Allocation Maximum Range	20.00%
Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Fixed Income	30.00%
Fixed Income, Target Allocation Minimum Range	20.00%
Fixed Income, Target Allocation Maximum Range	40.00%
Alternative Fixed Income Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Fixed Income	10.00%
Fixed Income, Target Allocation Minimum Range	0.00%
Fixed Income, Target Allocation Maximum Range	20.00%

Defined benefit plan target allocation of assets.

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- Definition

Defined benefit plan total target range of assets.

+ References

No definition available.

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- Definition

Target allocation percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)(i)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2446-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(i)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

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- Definition

Target allocation maximum percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

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Target allocation minimum percentage of investments in debt securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

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- Definition

Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

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Target allocation maximum percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

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Target allocation minimum percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

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