Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 484,028	$ 400,730
Accounts receivable	15,548	22,843
Prepaid expenses	40,561	34,056
Inventory	836	1,607
Income tax receivable	10,770	5,583
Deferred contract costs	111,877	96,378
Current assets before funds held for clients	663,620	561,197
Funds held for clients	1,899,346	2,202,975
Total current assets	2,562,966	2,764,172
Property and equipment, net	468,282	402,448
Intangible assets, net	51,088	54,017
Goodwill	51,889	51,889
Long-term deferred contract costs	645,611	567,974
Other assets	76,265	62,013
Total assets	3,856,101	3,902,513
Current liabilities:
Accounts payable	6,889	16,054
Accrued commissions and bonuses	20,423	28,439
Accrued payroll and vacation	41,160	45,023
Deferred revenue	22,730	19,825
Accrued expenses and other current liabilities	77,065	59,990
Current liabilities before client funds obligation	168,267	169,331
Client funds obligation	1,901,643	2,207,706
Total current liabilities	2,069,910	2,377,037
Deferred income tax liabilities, net	145,465	141,033
Long-term deferred revenue	105,588	97,591
Long-term debt	29,000	29,000
Other long-term liabilities	84,829	75,245
Total long-term liabilities	364,882	342,869
Total liabilities	2,434,792	2,719,906
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.01 par value (100,000 shares authorized, 62,655 and 62,518 shares issued at September 30, 2023 and December 31, 2022, respectively; 57,700 and 57,867 shares outstanding at September 30, 2023 and December 31, 2022, respectively)	627	625
Additional paid-in capital	687,723	576,622
Retained earnings	1,410,659	1,196,968
Accumulated other comprehensive earnings (loss)	(2,181)	(3,703)
Treasury stock, at cost (4,955 and 4,651 shares at September 30, 2023 and December 31, 2022, respectively)	(675,519)	(587,905)
Total stockholders’ equity	1,421,309	1,182,607
Total liabilities and stockholders’ equity	$ 3,856,101	$ 3,902,513