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Acquisitions - Additional Information (Detail) - USD ($) |  |  |  | 3 Months Ended | 5 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2018 | Jun. 30, 2018 | May 07, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Aug. 09, 2018 | Feb. 22, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Contract base price |  |  | $ 375,000,000.0 |  |  |  |  |  |  |
Acquisition related costs |  |  |  | $ 597,000 | $ 619,000 |  | $ 5,810,000 | $ 619,000 |  |
Financing costs |  |  |  |  |  |  | 12,900,000 |  |  |
Income (loss) from operations |  |  |  | 5,881,000 | $ 5,551,000 |  | 9,283,000 | $ 32,045,000 |  |
Paragon Medical Inc |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition percentage |  |  | 100.00% |  |  |  |  |  |  |
Cash payment to acquire business | $ 390,861,000 | $ 390,961,000 |  |  |  |  |  |  |  |
Cash acquired from acquisition | 13,552,000 | $ 13,418,000 |  | 13,552,000 |  | $ 13,552,000 | 13,552,000 |  |  |
Cash received to settle working capital adjustments |  |  |  | 1,400,000 |  |  |  |  |  |
Intangible assets acquired in acquisition | 157,600,000 |  |  | 157,600,000 |  | 157,600,000 | 157,600,000 |  |  |
Goodwill | 159,400,000 |  |  | 159,400,000 |  | 159,400,000 | 159,400,000 |  |  |
Goodwill expected tax deductible amount | $ 2,800,000 |  |  | $ 2,800,000 |  | 2,800,000 | 2,800,000 |  |  |
Acquisition related costs |  |  |  |  |  |  | 5,300,000 |  |  |
Net sales |  |  |  |  |  | 70,000,000 |  |  |  |
Income (loss) from operations |  |  |  |  |  | 2,200,000 |  |  |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash payment to acquire business |  |  |  |  |  |  | 22,000,000 |  |  |
Acquisition related costs |  |  |  |  |  |  | $ 500,000 |  |  |
Bridgemedica, LLC |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition percentage |  |  |  |  |  |  |  |  |  | 100.00%
Net sales |  |  |  |  |  | 7,300,000 |  |  |  |
Income (loss) from operations |  |  |  |  |  | $ 200,000 |  |  |  |
Southern California Technical Arts, Inc. |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition percentage |  |  |  |  |  |  |  |  | 100.00% |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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