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Other Current Liabilities - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Extremity Fixation Restructuring Plan [Member] |  |
Other Current Liabilities [Line Items] |  |
Pre-tax restructuring expense | $ 3.3 |
Cumulative costs incurred to date on restructuring | 3.3 |
Accrued in other current liabilities related to restructuring | 0.7 | $ 1.5
Restructuring costs incurred | 1.3 |
Payments for restructuring | 2.1 |
U.S. Restructuring Plan [Member] |  |
Other Current Liabilities [Line Items] |  |
Accrued in other current liabilities related to restructuring | 1.1 |
Payments for restructuring | 0.6 |
U.S. Restructuring Plan [Member] | Operating Expense [Member] |  |
Other Current Liabilities [Line Items] |  |
Pre-tax restructuring expense | $ 1.7 |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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