Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

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,
	2019		2018		2017		2016
Cash and cash equivalents	$	280,836	$	156,368	$	538,908	$	474,233
Restricted cash classified in (1), (2):
Prepaid expenses and other current assets	—		2,295		15,148		25,121
Other assets	—		—		3,002		—
Cash classified as held-for-sale (3)	—		—		10,000		—
Cash and cash equivalents and restricted cash per the Consolidated Statements of Cash Flows	$	280,836	$	158,663	$	567,058	$	499,354

(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.).

(2) Restricted cash is recorded in Prepaid expenses and other current assets and Other assets in the Company's consolidated balance sheets with the short-term or long-term classification dependent on the projected timing of disbursements to the sellers.

(3) Represents cash classified as a held-for-sale asset for the CEB Talent Assessment business, which was divested in 2018. Note 2 — Acquisitions and Divestitures provides additional information regarding the Company's 2018 divestitures.

Schedule of Restricted Cash

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,
	2019		2018		2017		2016
Cash and cash equivalents	$	280,836	$	156,368	$	538,908	$	474,233
Restricted cash classified in (1), (2):
Prepaid expenses and other current assets	—		2,295		15,148		25,121
Other assets	—		—		3,002		—
Cash classified as held-for-sale (3)	—		—		10,000		—
Cash and cash equivalents and restricted cash per the Consolidated Statements of Cash Flows	$	280,836	$	158,663	$	567,058	$	499,354

(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.).

(2) Restricted cash is recorded in Prepaid expenses and other current assets and Other assets in the Company's consolidated balance sheets with the short-term or long-term classification dependent on the projected timing of disbursements to the sellers.

(3)

Represents cash classified as a held-for-sale asset for the CEB Talent Assessment business, which was divested in 2018. Note 2 — Acquisitions and Divestitures provides additional information regarding the Company's 2018 divestitures.

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)	2019			2018
Computer equipment and software	2-7	$	256,451		$	210,955
Furniture and equipment	3-8	104,370			85,002
Leasehold improvements	2-15	275,114			218,405
Total cost		635,935			514,362
Less — accumulated depreciation and amortization		(291,356		)	(246,697		)
Property, equipment and leasehold improvements, net		$	344,579		$	267,665