Environmental and Legal Contingencies (Details 3)		3 Months Ended		9 Months Ended
		Sep. 30, 2015 USD ($) claims-lawsuits	Sep. 30, 2014 USD ($) claims-lawsuits	Sep. 30, 2015 USD ($) claims-lawsuits defendants plaintiffs	Sep. 30, 2014 USD ($) claims-lawsuits
Asbestos Claims With Specific Dollar Claim For Damages [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending	[1]	128		128
Claims with specific dollar claims for damages [Abstract]
Asbestos Lawsuits Pending With Dollars Number Of Plaintiffs | plaintiffs				2,328
Asbestos Lawsuits Pending With Dollars Number Of Defendants | defendants				16,982
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		119		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		5		5
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		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 claims 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		252		252
Asbestos Issue [Member]
Information on pending asbestos cases [Line Items]
Number of asbestos cases pending		380		380
Claims with specific dollar claims for damages [Abstract]
Loss Contingency, New Claims Filed, Number		18	16	42	40
Loss Contingency, Claims Settled and Dismissed, Number		30	10	62	38
Amounts paid in asbestos settlements | $		$ 1,100,000	$ 100,000	$ 1,500,000	$ 600,000

[1] Involve a total of 2,328 plaintiffs and 16,982 defendants