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v3.19.3.a.u2

Acquisitions and Investments (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 07, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) business | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  | $ 214,489 |  |  | $ 239,724 | $ 214,489 | $ 199,873 |  | $ 178,228
Investment acquired, non-controlling interest share |  | $ 5,000 |  |  |  |  |  |  |
Acquisition of a business, net of cash acquired |  |  |  |  | 50,304 | 22,500 | 14,579 |  |
Payment of acquisition-related contingent consideration |  |  |  |  | 2,375 | 1,266 | $ 0 |  |
Reference laboratory in Mid-West, U.S. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price of acquired assets | $ 50,000 |  |  |  |  |  |  |  |
Net tangible liabilities | 200 |  |  |  |  |  |  |  |
Goodwill | 24,800 |  |  |  |  |  |  |  |
Software company |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price of acquired assets |  |  | $ 25,000 |  |  |  |  |  |
Net tangible liabilities |  |  | 300 |  |  |  |  |  |
Goodwill |  |  | 20,300 |  |  |  |  |  |
Two software companies |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price of acquired assets |  |  |  | $ 15,000 |  |  |  |  |
Goodwill |  |  |  |  |  |  |  | $ 13,300 |
Number of businesses acquired | business |  |  |  | 2 |  |  |  |  |
Acquisition of a business, net of cash acquired |  |  |  | $ 12,000 |  |  |  |  |
Contingent consideration |  |  |  | $ 3,000 |  |  |  |  |
Contingent payment period |  |  |  | 36 months |  |  |  |  |
Payment of acquisition-related contingent consideration |  |  |  |  | $ 1,000 | $ 1,000 |  |  |
Customer relationships | Reference laboratory in Mid-West, U.S. |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets | $ 25,000 |  |  |  |  |  |  |  |
Intangible assets useful life | 10 years |  |  |  |  |  |  |  |
Customer relationships | Software company |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets |  |  | 2,400 |  |  |  |  |  |
Customer relationships | Two software companies |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | 1,000 |
Technology-based intangible assets | Software company |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets |  |  | $ 2,600 |  |  |  |  |  |
Technology-based intangible assets | Two software companies |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | $ 600 |

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