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Commitments and Contingencies - Product Liability (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) individual lawsuit state case item | Dec. 31, 2017 item
Product liability - Bair Hugger |  |
Product Liability Litigation |  |
Number of plaintiffs | 4,370 | 4,270
Accrued loss contingency reserve | $ | $ 0 |
Number of total claims dismissed | case | 61 |
Product liability - Bair Hugger | U.S. District Court for the Western District of Tennessee |  |
Product Liability Litigation |  |
Number of lawsuits filed | 1 |
Product Liability Lava Ultimate Dental Restorative Material |  |
Product Liability Litigation |  |
Number of lawsuits pending | lawsuit | 1 |
Number of plaintiffs | individual | 29 |
Number of states involved in lawsuit | state | 13 |

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- Definition This element represents the number of states involved in a current lawsuit. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Number of claims dismissed. + References No definition available. + Details
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- Definition The total number of new claims filed pertaining to a loss contingency 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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- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
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- Definition Number of pending claims pertaining to a loss contingency. + 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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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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