Business acquisition contingent consideration revenue earn-out period.

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- Definition

Business Combination Contingent Consideration Acquisitions, Earn-out Obligations and Assumed Liabilities.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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The number of businesses acquired by the entity during the period.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions and divestitures - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) clinic	Jun. 30, 2020 USD ($)
Business Acquisition [Line Items]
Cash paid to acquire businesses			$ 23,890	$ 44,267
Goodwill deductible for tax purposes associated with acquisitions	$ 27,159		27,159
Additional tax benefits recognized under the Coronavirus Aid, Relied, and Economic Security Act	0	$ 0	0	$ 9,980
Other current liabilities
Business Acquisition [Line Items]
Contingent earn-out obligations	11,389		11,389
Other long-term liabilities
Business Acquisition [Line Items]
Contingent earn-out obligations	16,953		16,953
Other companies
Business Acquisition [Line Items]
Contingent earn-out obligations	$ 28,342		$ 28,342
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			$ 42,581
Maximum \| Other companies \| EBITDA or Operating Income Performance Targets or Quality Margins
Business Acquisition [Line Items]
Earn-out consideration payment period			5 years
Dialysis and other businesses
Business Acquisition [Line Items]
Cash paid to acquire businesses			$ 23,890
Contingent earn-out obligations and liabilities assumed associated with acquisitions			2,694
Deferred purchase price obligations			$ 3,301
U.S. dialysis \| Dialysis and other businesses
Business Acquisition [Line Items]
Number of businesses acquired \| clinic			1
Foreign Dialysis Centers \| Dialysis and other businesses
Business Acquisition [Line Items]
Number of businesses acquired \| clinic			7