Environmental and Legal Contingencies (Details 3)		3 Months Ended
		Mar. 31, 2016 USD ($) plaintiffs defendants claims-lawsuits	Mar. 31, 2015 USD ($) claims-lawsuits
Asbestos Claims With Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending | claims-lawsuits	[1]	129
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Number Of Plaintiffs | plaintiffs		2,329
Asbestos Lawsuits Pending With Dollars Number Of Defendants | defendants		16,681
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 | claims-lawsuits		119
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 claims above $0.2 to $5.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending | claims-lawsuits		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 claims above $5.0 to $15.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending | claims-lawsuits		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 claims above $15.0 to $20.0 [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending | claims-lawsuits		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 | claims-lawsuits		221
Asbestos Issue [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending | claims-lawsuits		350
Claims with specific dollar claims for damages [Abstract]
Loss Contingency, New Claims Filed, Number | claims-lawsuits		13	16
Loss Contingency, Claims Settled and Dismissed, Number | claims-lawsuits		46	17
Amounts paid in asbestos settlements | $		$ 300,000	$ 100,000

[1] Involve a total of 2,329 plaintiffs and 16,681 defendants