Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities (Tables)

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Summary of Cash Paid for Interest and Income Taxes

The Company’s cash paid during the period for interest and income taxes are summarized as follows:

	Year Ended December 31,
(in thousands)	2020		2019		2018
Cash paid during the period for:
Interest	$	52,378	$	58,290	$	38,032
Income taxes, net of refunds	$	131,596	$	109,766	$	110,350

Summary of Significant Non-Cash Investing and Financing Activities

The Company’s significant non-cash investing and financing activities are summarized as follows:

	Year Ended December 31,
(in thousands)	2020		2019		2018
Other payables issued for purchased customer accounts	$	9,130	$	12,135	$	5,462
Estimated acquisition earn-out payables and related charges	$	131,397	$	82,872	$	77,378
Notes received on the sale of fixed assets and customer accounts	$	—	$	9,903	$	52

Schedule of Reconciliation of Cash and Cash Equivalents Inclusive of Restricted Cash

The following is a reconciliation of cash and cash equivalents inclusive of restricted cash as of December 31, 2020, 2019 and 2018.

	Balance as of December 31,
(in thousands)	2020		2019		2018
Table to reconcile cash and cash equivalents inclusive of restricted cash
Cash and cash equivalents	$	817,398	$	542,174	$	438,961
Restricted cash		454,517		420,801		338,635
Total cash and cash equivalents inclusive of restricted cash at the end of the period	$	1,271,915	$	962,975	$	777,596