Contingencies - Summary of Cumulative Trauma Product Liability Claims Activity (Details) - LegalMatter	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Lawsuit
Loss Contingency, Quantities [Roll Forward]
Open lawsuits, beginning of period	1,794	1,988
New lawsuits	304	379
Settled and dismissed lawsuits	(663)	(573)
Open lawsuits, end of period	1,435	1,794
Damages from Product Defects
Loss Contingency, Quantities [Roll Forward]
Open lawsuits, beginning of period	3,023	3,779
New lawsuits	349	843
Settled and dismissed lawsuits	(1,101)	(1,599)
Open lawsuits, end of period	2,271	3,023