Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2023

Supplemental Cash Flow Elements [Abstract]

Schedule of Non-cash Investing and Financing Activities

Non-cash investing and financing activities were as follows (in thousands):

	Year ended December 31,
	2023		2022		2021 (1)
Non-cash investing activity:
Property and equipment, accrued but unpaid	$	55	$	150	$	50
Right-of-use assets acquired in exchange for operating lease obligations	$	1,597	$	4,130	$	9,850
Purchase of equity investments with common stock	$	13,500	$	—	$	—
Disposition of Consensus common stock (2)	$	—	$	112,286	$	—
Non-cash financing activity:
Debt principal settled in exchange for Consensus common stock (2)	$	—	$	112,286	$	—
Debt principal settled in exchange for Consensus senior notes due 2028	$	—	$	—	$	485,000
Conversion shares issued as extinguishment cost to redeem 3.25% Convertible Notes	$	—	$	—	$	431,952
Reacquisition of 3.25% Convertible Notes, net of tax	$	—	$	—	$	390,526

(1)Combines continuing and discontinued operations.

(2)During the year ended December 31, 2022, the Company disposed $160.1 million of its investment in Consensus in exchange for $112.3 million of debt and recorded $47.8 million of loss on investment, net.

Schedule of Cash Flow, Supplemental Disclosures

Supplemental data (in thousands):

	Year ended December 31,
	2023		2022		2021
Interest paid	$	38,653	$	36,168	$	54,479
Income taxes paid, net of refunds	$	64,594	$	59,543	$	61,162

Cash Flow, Operating Capital

Operating cash outflows related to lease liabilities were as follows (in thousands):

	Year ended December 31,
	2023		2022		2021
Operating cash outflows related to lease liabilities	$	23,230	$	26,921	$	27,798