Commitments and Contingencies (Schedule of Loss Contingencies) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($) claims
Liability for Asbestos and Environmental Claims [Roll Forward]
Claims outstanding at December 31, 2016	605
New claims filed	284
Pending claims concluded	(226)
Claims outstanding at September 30, 2017	663
Number of claims dismissed	211
Number of claims settled (claim)	15
Claims settlements amount | $	$ 2.4