Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,402	$ 8,090
Restricted cash	27,740	30,362
Accounts receivable, net	504,107	380,152
Other current assets	41,570	34,895
Current assets before funds held for clients	574,819	453,499
Funds held for clients	147,345	159,186
Total current assets	722,164	612,685
Non-current assets:
Property and equipment, net	57,994	57,012
Goodwill and other intangible assets, net	1,038,410	1,008,604
Assets of deferred compensation plan	157,709	143,499
Right-of-use assets, net	209,231	211,024
Other non-current assets	11,490	10,768
Total non-current assets	1,474,834	1,430,907
Total assets	2,196,998	2,043,592
Current liabilities:
Accounts payable	93,530	82,831
Income taxes payable	26,817	2,097
Accrued personnel costs	71,377	133,593
Contingent purchase price liabilities	64,559	66,287
Operating lease liabilities	37,183	36,283
Other current liabilities	28,555	30,937
Current liabilities before client fund obligations	322,021	352,028
Client fund obligations	148,034	159,893
Total current liabilities	470,055	511,921
Non-current liabilities:
Bank debt	437,800	312,400
Debt issuance costs	(1,456)	(1,574)
Total long-term debt, net	436,344	310,826
Income taxes payable	2,091	1,984
Deferred income taxes, net	31,686	29,287
Deferred compensation plan obligations	157,709	143,499
Contingent purchase price liabilities	29,627	48,659
Lease liabilities	201,115	203,905
Other non-current liabilities	1,282	1,893
Total non-current liabilities	859,854	740,053
Total liabilities	1,329,909	1,251,974
STOCKHOLDERS' EQUITY
Common stock	1,379	1,374
Additional paid in capital	841,268	832,475
Retained earnings	931,968	855,084
Treasury stock	(910,322)	(899,093)
Accumulated other comprehensive income	2,796	1,778
Total stockholders’ equity	867,089	791,618
Total liabilities and stockholders’ equity	$ 2,196,998	$ 2,043,592