Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 640	$ 424
Restricted cash	27,481	32,985
Accounts receivable, net	207,287	188,300
Other current assets	26,841	23,352
Current assets before funds held for clients	262,249	245,061
Funds held for clients	161,289	203,112
Total current assets	423,538	448,173
Non-current assets:
Property and equipment, net	34,205	26,081
Goodwill and other intangible assets, net	637,009	613,206
Assets of deferred compensation plan	84,435	85,589
Other non-current assets	3,844	3,182
Total non-current assets	759,493	728,058
Total assets	1,183,031	1,176,231
Current liabilities:
Accounts payable	58,630	51,375
Income taxes payable	464
Accrued personnel costs	63,953	45,264
Contingent purchase price liability	22,538	15,151
Other current liabilities	13,656	18,874
Current liabilities before client fund obligations	159,241	130,664
Client fund obligations	162,073	203,582
Total current liabilities	321,314	334,246
Non-current liabilities:
Bank debt	135,500	178,500
Debt issuance costs	(1,526)	(828)
Total long-term debt	133,974	177,672
Income taxes payable	3,402	4,454
Deferred income taxes, net	6,764	3,339
Deferred compensation plan obligations	84,435	85,589
Contingent purchase price liability	17,170	22,423
Other non-current liabilities	22,309	17,629
Total non-current liabilities	268,054	311,106
Total liabilities	589,368	645,352
STOCKHOLDERS’ EQUITY
Common stock, par value $0.01 per share; shares authorized 250,000; shares issued 131,404 and 130,075; shares outstanding 55,072 and 54,591	1,314	1,301
Additional paid-in capital	692,398	675,504
Retained earnings	408,963	345,302
Treasury stock, 76,332 and 75,484 shares	(508,530)	(491,046)
Accumulated other comprehensive loss	(482)	(182)
Total stockholders’ equity	593,663	530,879
Total liabilities and stockholders’ equity	$ 1,183,031	$ 1,176,231