Acquisitions and divestitures (Tables)

3 Months Ended

Mar. 31, 2020

Business Acquisition [Line Items]

Schedule of Business Acquisitions by Acquisition, Contingent Consideration

The following is a reconciliation of changes in contingent earn-out obligations for the three months ended March 31, 2020:

Balance at December 31, 2019	$	24,586
Contingent earn-out obligations associated with acquisitions	2,672
Foreign currency translation adjustment for contingent earn-out obligations	(4,874		)
Remeasurement of fair value for contingent earn-out obligations	2
Balance at March 31, 2020	$	22,386

Dialysis and other businesses

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following table summarizes the assets acquired and liabilities assumed in these transactions at their estimated acquisition date fair values: 

Current assets	$	7,412
Property and equipment	8,892
Intangible and other long-term assets	6,107
Goodwill	26,770
Deferred income taxes	1,513
Current liabilities	(10,705		)
	$	39,989