Asbestos-Related Liabilities (Summary Of Claims Activity) (Details)	12 Months Ended
Dec. 31, 2012 Pending_Claim	Dec. 31, 2011 Pending_Claim	Dec. 31, 2010 Pending_Claim
Liability for Asbestos and Environmental Claims [Abstract]
Beginning claims	50,000	50,000	50,000
New claims	3,000	2,000	2,000
Settlements or dismissals	(2,000)	(2,000)	(2,000)
Ending claims	51,000	50,000	50,000

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The number of claims settled and dismissed during the period.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

+ Details

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- Definition

The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

+ References

+ Details

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