Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Cash and Cash Equivalents

Below is a table presenting the beginning-of-period and end-of-period cash amounts from the Company’s Consolidated Balance Sheets and the total cash amounts presented in the Consolidated Statements of Cash Flows (in thousands).

	December 31,
	2022		2021		2020		2019
Cash and cash equivalents	$	697,999	$	756,493	$	712,583	$	280,836
Restricted cash classified in (1):
Prepaid expenses and other current assets	—		4,109		—		—
Other assets	600		—		—		—
Cash and cash equivalents and restricted cash per the Consolidated Statements of Cash Flows	$	698,599	$	760,602	$	712,583	$	280,836

(1)Restricted cash consists of escrow accounts established in connection with certain of the Company’s business acquisitions. Generally, such cash is restricted to use due to provisions contained in the underlying stock or asset purchase agreement. The Company will disburse the restricted cash to the sellers of the businesses upon satisfaction of any contingencies described in such agreements (e.g., potential indemnification claims, etc.).

Restrictions on Cash and Cash Equivalents

Below is a table presenting the beginning-of-period and end-of-period cash amounts from the Company’s Consolidated Balance Sheets and the total cash amounts presented in the Consolidated Statements of Cash Flows (in thousands).

	December 31,
	2022		2021		2020		2019
Cash and cash equivalents	$	697,999	$	756,493	$	712,583	$	280,836
Restricted cash classified in (1):
Prepaid expenses and other current assets	—		4,109		—		—
Other assets	600		—		—		—
Cash and cash equivalents and restricted cash per the Consolidated Statements of Cash Flows	$	698,599	$	760,602	$	712,583	$	280,836

(1)Restricted cash consists of escrow accounts established in connection with certain of the Company’s business acquisitions. Generally, such cash is restricted to use due to provisions contained in the underlying stock or asset purchase agreement. The Company will disburse the restricted cash to the sellers of the businesses upon satisfaction of any contingencies described in such agreements (e.g., potential indemnification claims, etc.).

Schedule of Property, Plant and Equipment

Property, equipment and leasehold improvements, net are presented in the table below (in thousands).

	Useful Life	December 31,
Category	(Years)	2022		2021
Computer equipment and software	2 - 7	$	258,843	$	304,386
Furniture and equipment	3 - 8	89,559		97,050
Leasehold improvements	2 - 15	220,509		253,451
Total cost		568,911		654,887
Less — accumulated depreciation and amortization		(304,330)		(381,325)
Property, equipment and leasehold improvements, net		$	264,581	$	273,562