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Contingencies - Summary of Cumulative Trauma Product Liability Claims Activity (Details) - LegalMatter | 9 Months Ended | 12 Months Ended
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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

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- Definition The number of claims settled and dismissed during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349 + Details
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