Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
ASSETS
Cash and cash equivalents	$ 621,917	$ 694,842
Short-term investments	54,897	229,200
Accounts receivable, net of allowances of $6,425 and $9,811, respectively (includes $1,216 and $9,272 due from related party, respectively)	232,297	316,342
Prepaid expenses and other current assets	66,193	60,290
Total current assets	975,304	1,300,674
Long-term investments	124,228	122,593
Property and equipment, net	171,181	161,209
Operating lease right-of-use assets	44,257	55,617
Goodwill	1,579,957	1,531,455
Other purchased intangibles, net	129,282	149,513
Deferred income taxes, noncurrent	7,636	5,917
Other assets	32,053	20,090
TOTAL ASSETS	3,433,068	3,770,280
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable and accrued expenses	212,926	229,772
Deferred revenue, current	180,136	185,571
Operating lease liabilities, current	23,171	27,156
Current portion of long-term debt	0	54,609
Other current liabilities	222	130
Total current liabilities	416,455	497,238
Long-term debt	998,499	1,036,018
Deferred revenue, noncurrent	8,742	14,839
Operating lease liabilities, noncurrent	38,334	53,708
Income taxes payable, noncurrent	11,675	11,675
Liability for uncertain tax positions	45,439	42,546
Deferred income taxes	83,038	108,982
Other long-term liabilities	37,241	37,542
TOTAL LIABILITIES	1,639,423	1,802,548
Commitments and contingencies (Note 9)
Preferred stock, $0.01 par value	0	0
Common stock, $0.01 par value. Authorized 95,000,000; total issued and outstanding 47,189,907 and 47,440,137 shares at September 30, 2022 and December 31, 2021, respectively.	472	474
Additional paid-in capital	432,272	509,122
Retained earnings	1,469,519	1,515,358
Accumulated other comprehensive loss	(108,618)	(57,222)
TOTAL STOCKHOLDERS’ EQUITY	1,793,645	1,967,732
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	3,433,068	3,770,280
Trade names
ASSETS
Intangible assets, net (excluding goodwill)	142,044	147,761
Customer relationship
ASSETS
Intangible assets, net (excluding goodwill)	227,126	275,451
Series A Preferred Stock
LIABILITIES AND STOCKHOLDERS’ EQUITY
Preferred stock, $0.01 par value	0	0
Series B Preferred Stock
LIABILITIES AND STOCKHOLDERS’ EQUITY
Preferred stock, $0.01 par value	$ 0	$ 0