Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 4,652	$ 567
Restricted cash	23,951	29,595
Accounts receivable, net	216,175	222,031
Other current assets	24,213	24,325
Current assets before funds held for clients	268,991	276,518
Funds held for clients	167,440	179,502
Total current assets	436,431	456,020
Non-current assets:
Property and equipment, net	41,346	39,412
Goodwill and other intangible assets, net	756,750	654,671
Assets of deferred compensation plan	127,332	106,851
Operating lease right-of-use asset, net	147,843	140,831
Other non-current assets	4,052	2,989
Total non-current assets	1,077,323	944,754
Total assets	1,513,754	1,400,774
Current liabilities:
Accounts payable	64,119	68,510
Income taxes payable	2,788	57
Accrued personnel costs	79,978	59,898
Contingent purchase price liability	20,288	16,193
Operating lease liability	30,483	29,030
Other current liabilities	13,629	13,218
Current liabilities before client fund obligations	211,285	186,906
Client fund obligations	166,989	179,020
Total current liabilities	378,274	365,926
Non-current liabilities:
Bank debt	108,000	105,500
Debt issuance costs	(808)	(1,167)
Total long-term debt	107,192	104,333
Income taxes payable	1,775	3,053
Deferred income taxes, net	8,752	11,720
Deferred compensation plan obligations	127,332	106,851
Contingent purchase price liability	34,103	15,896
Operating lease liability	142,020	132,018
Other non-current liabilities	11,686	1,739
Total non-current liabilities	432,860	375,610
Total liabilities	811,134	741,536
STOCKHOLDERS’ EQUITY
Common stock, par value $0.01 per share; shares authorized 250,000; shares issued 134,144 and 133,056; shares outstanding 54,099 and 55,419	1,341	1,331
Additional paid-in capital	740,970	714,704
Retained earnings	557,875	479,576
Treasury stock, 80,045 and 77,637 shares	(595,297)	(535,693)
Accumulated other comprehensive loss	(2,269)	(680)
Total stockholders’ equity	702,620	659,238
Total liabilities and stockholders’ equity	$ 1,513,754	$ 1,400,774