CASH FLOW INFORMATION

3 Months Ended

Mar. 31, 2020

CASH FLOW INFORMATION

CASH FLOW INFORMATION

13. CASH FLOW INFORMATION

	Three Months Ended
	March 31,
	2019		2020
Supplemental disclosures of cash flow information—cash paid for:
Interest	$	11,462	$	13,555
Income taxes	$	1,548	$	2,047
Supplemental non-cash cash flow information:
Fair market value of estimated contingent consideration in connection with acquisitions	$	29,583	$	3,367
Net tangible assets (liabilities) acquired in connection with business acquisitions	$	1,502	$	(6,658)
Operating lease assets	$	171,189	$	181,904
Operating lease liabilities	$	181,597	$	199,307