Goodwill and Intangible Assets - Changes in Goodwill (Detail) - USD ($) $ in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2020 |
Dec. 31, 2019 |
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| Goodwill And Intangible Assets Disclosure [Abstract] | ||
| Opening balance | $ 1,574,466 | $ 1,393,832 |
| Goodwill relating to acquisitions consummated during the period | 185,381 | |
| Impact of measurement period adjustments | (988) | |
| Effect of exchange rate fluctuations | (17,455) | (3,759) |
| Closing balance | $ 1,557,011 | $ 1,574,466 |
| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits 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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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the 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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