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Business Combinations - Additional Information (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | ||
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Sep. 30, 2018 |
Jul. 31, 2018 |
Jun. 30, 2018 |
Dec. 31, 2018 |
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| Business Acquisition | ||||
| Goodwill acquired | $ 354,698 | $ 360,480 | ||
| Privately-Held Company, September 30, 2018 Acquisition | ||||
| Business Acquisition | ||||
| Total purchase consideration | $ 4,100 | |||
| Additional contingent consideration, liability | $ 1,500 | 900 | ||
| Privately-Held Company, July 11, 2018 Acquisition | ||||
| Business Acquisition | ||||
| Total purchase consideration | $ 11,300 | |||
| Additional contingent consideration, liability | $ 4,500 | $ 1,600 | ||
| Product line from Keysight Technologies, Inc. | ||||
| Business Acquisition | ||||
| Total purchase consideration | 12,100 | |||
| Goodwill acquired | $ 5,200 | |||
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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. No definition available.
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- Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition
Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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