Environmental and Legal Contingencies (Details 3) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2014 claims-lawsuits		Sep. 30, 2013 claims-lawsuits	Sep. 30, 2014 claims-lawsuits		Sep. 30, 2013 claims-lawsuits
Asbestos Claims With Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	124	[1]		124	[1]
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Number Of Plaintiffs				2,332
Asbestos Lawsuits Pending With Dollars Number Of Defendants				16,631
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos claims up to $0.2 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	114			114
Claims with specific dollar claims for damages [Abstract]
Amount claimed per plaintiff, lower range				$ 0
Amount claimed per plaintiff, upper range				200,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos above $0.2 to $5.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	6			6
Claims with specific dollar claims for damages [Abstract]
Amount claimed per plaintiff, lower range				200,000
Amount claimed per plaintiff, upper range				5,000,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos above $5.0 to $15.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	2			2
Claims with specific dollar claims for damages [Abstract]
Amount claimed per plaintiff, lower range				5,000,000
Amount claimed per plaintiff, upper range				15,000,000
Asbestos Claims With Specific Dollar Claim For Damages [Member] | Asbestos above $15.0 to $20.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	2			2
Claims with specific dollar claims for damages [Abstract]
Amount claimed per plaintiff, lower range				15,000,000
Amount claimed per plaintiff, upper range				20,000,000
Asbestos Claims Without Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	314			314
Asbestos Issue [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	438			438
Claims with specific dollar claims for damages [Abstract]
Loss Contingency, New Claims Filed, Number	16		10	40		34
Loss Contingency, Claims Settled and Dismissed, Number	10		5	38		30
Amounts paid in asbestos settlements	$ 100,000		$ 0	$ 600,000		$ 900,000

[1] Involve a total of 2,332 plaintiffs and 16,631 defendants