Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 155,755	$ 122,006
Accounts receivable	194,682	195,782
Allowance for doubtful accounts	(6,355)	(5,759)
Prepaid income taxes	20,958	3,535
Prepaid and other current assets	35,062	24,694
Total current assets	400,102	340,258
Property and equipment, net	31,103	28,414
Operating lease right-of-use assets	48,642	46,128
Intangible assets, net	251,467	45,627
Goodwill	1,592,399	581,174
Investments	5,429	5,691
Deferred income taxes	77,418	39,224
Other assets	47,523	39,519
Total assets	2,454,083	1,126,035
Current liabilities:
Accounts payable	12,502	16,492
Accruals and other current liabilities	317,271	226,793
Deferred revenues	189,683	202,294
Operating lease liabilities	18,003	16,610
Income taxes payable	11,974	3,366
Total current liabilities	549,433	465,555
Long-term debt	1,302,845	246,000
Deferred compensation plan liabilities	89,174	2,422
Long-term operating lease liabilities	32,583	31,767
Deferred revenues	6,614	7,020
Deferred income taxes	69,471	10,849
Income taxes payable	7,613	7,883
Other liabilities	17,352	12,940
Total liabilities	2,075,085	784,436
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value, authorized 100,000,000 shares; none issued or outstanding as of September 30, 2021 and December 31, 2020	0	0
Class A Common Stock, $0.01 par value, authorized 100,000,000 shares; issued and outstanding 11,601,757 shares as of September 30, 2021 and December 31, 2020, and Class B Common Stock, $0.01 par value, authorized 1,800,000,000 shares; issued and outstanding 270,436,807 and 260,552,747 shares as of September 30, 2021 and December 31, 2020, respectively	2,820	2,722
Additional paid-in capital	921,410	741,113
Accumulated other comprehensive loss	(81,880)	(26,233)
Accumulated deficit	(463,352)	(376,003)
Total stockholders’ equity	378,998	341,599
Total liabilities and stockholders’ equity	$ 2,454,083	$ 1,126,035