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Acquisitions - Additional Information (Detail) | Aug. 09, 2018 | May 07, 2018 | Feb. 22, 2018
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Paragon Medical Inc |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition percentage |  | 100.00% |
Bridgemedica, LLC |  |  |
Business Acquisition [Line Items] |  |  |
Acquisition percentage |  |  | 100.00%
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://fasb.org/us-gaap/role/ref/legacyRef -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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