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v3.20.2

Acquisitions and divestitures - Additional Information (Detail) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
May 01, 2020 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2020 USD ($) clinic | Sep. 30, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Cash paid to acquire businesses |  |  |  | $ 112,597 | $ 77,348
Loss on changes in ownership interest, net |  | $ 0 | $ 0 | (16,252) | $ 0
Other current liabilities |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Contingent earn-out obligations |  | 7,400 |  | 7,400 |
Other long-term liabilities |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Contingent earn-out obligations |  | 18,914 |  | 18,914 |
Other companies |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Contingent earn-out obligations |  | 26,314 |  | $ 26,314 |
Minimum | Other companies | EBITDA or Operating Income Performance Targets or Quality Margins |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Earn-out consideration payment period |  |  |  | 1 year |
Maximum |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Contingent earn-out obligations and liabilities assumed associated with acquisitions |  |  |  | $ 37,467 |
Maximum | Other companies | EBITDA or Operating Income Performance Targets or Quality Margins |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Earn-out consideration payment period |  |  |  | 5 years |
RMS Lifeline |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Loss on changes in ownership interest, net | $ (16,252) |  |  |  |
Noncompete Agreements |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortizable intangible assets acquired, weighted-average estimated useful lives |  |  |  | 5 years |
Dialysis and other businesses |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash paid to acquire businesses |  |  |  | $ 112,597 |
Deferred purchase price obligations |  |  |  | 6,917 |
Contingent earn-out obligations and liabilities assumed associated with acquisitions |  |  |  | 21,021 |
Goodwill deductible for tax purposes associated with acquisitions |  | $ 91,157 |  | $ 91,157 |
U.S. dialysis | Dialysis and other businesses |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of businesses acquired | clinic |  |  |  | 8 |
Foreign Dialysis Centers | Dialysis and other businesses |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of businesses acquired | clinic |  |  |  | 36 |

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