CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 614,391	$ 667,667
Short-term investments	183	361
Accounts receivable, less allowance for doubtful accounts of $18,300 and $14,600, respectively	760,287	645,891
Other receivables and current assets	289,261	324,655
Total current assets	1,664,122	1,638,574
Long-term assets:
Property and equipment, net	80,838	87,914
Operating lease right-of-use assets	129,140	120,881
Goodwill	3,658,267	3,409,271
Other intangible assets, net	809,183	763,119
Other long-term assets	261,880	279,676
Deferred income taxes	84,515	24,879
Total long-term assets	5,023,823	4,685,740
Total assets	6,687,945	6,324,314
Current liabilities:
Accounts payable	14,021	10,863
Accrued bonuses and commissions	160,908	163,182
Accrued income taxes	7,698	8,410
Other accrued expenses and liabilities	198,220	204,509
Deferred revenue	413,989	391,528
Total current liabilities	794,836	778,492
Long-term liabilities:
Deferred income taxes	58,126	105,548
Long-term operating lease liabilities	112,802	104,378
Long-term debt	753,574	753,576
Other long-term liabilities	102,756	98,272
Total long-term liabilities	1,027,258	1,061,774
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, shares issued	95,267,307	95,267,307
Common stock, $0.01 par value; 300,000,000 shares authorized; 95,267,307 shares issued	$ 953	$ 953
Additional paid-in capital	1,540,317	1,465,694
Retained earnings	4,782,930	4,259,220
Treasury stock, at cost: 8,317,389 and 8,188,331 shares, respectively	(1,335,627)	(1,185,707)
Accumulated other comprehensive loss	(122,722)	(56,112)
Total stockholders' equity	4,865,851	4,484,048
Total liabilities and stockholders' equity	$ 6,687,945	$ 6,324,314