CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 860,201	$ 614,391
Short-term investments	189	183
Accounts receivable, less allowance for doubtful accounts of $20,700 and $18,300, respectively	864,526	760,287
Other receivables and current assets	324,651	289,261
Total current assets	2,049,567	1,664,122
Long-term assets:
Property and equipment, net	77,780	80,838
Operating lease right-of-use assets	116,980	129,140
Goodwill	3,805,874	3,658,267
Other intangible assets, net	835,417	809,183
Other long-term assets	273,030	261,880
Deferred income taxes	164,227	84,515
Total long-term assets	5,273,308	5,023,823
Total assets	7,322,875	6,687,945
Current liabilities:
Accounts payable	22,772	14,021
Accrued bonuses and commissions	170,909	160,908
Accrued income taxes	22,454	7,698
Other accrued expenses and liabilities	215,645	198,220
Deferred revenue	457,514	413,989
Total current liabilities	889,294	794,836
Long-term liabilities:
Deferred income taxes	75,301	58,126
Long-term operating lease liabilities	100,505	112,802
Long-term debt	753,891	753,574
Other long-term liabilities	113,520	102,756
Total long-term liabilities	1,043,217	1,027,258
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value; 2,000,000 shares authorized; zero shares issued or outstanding	0	0
Common stock, $0.01 par value; 300,000,000 shares authorized; 95,267,307 shares issued	953	953
Additional paid-in capital	1,670,450	1,540,317
Retained earnings	5,283,342	4,782,930
Treasury stock, at cost: 8,361,447 and 8,317,389 shares, respectively	(1,474,110)	(1,335,627)
Accumulated other comprehensive loss	(90,271)	(122,722)
Total stockholders' equity	5,390,364	4,865,851
Total liabilities and stockholders' equity	$ 7,322,875	$ 6,687,945