Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 9,398	$ 11,834
Receivables from clients, net of allowances of $16,011 and $10,600, respectively	166,330	147,852
Unbilled services, net of allowances of $4,779 and $3,850, respectively	192,853	141,781
Income tax receivable	4,500	960
Prepaid expenses and other current assets	32,450	26,057
Total current assets	405,531	328,484
Property and equipment, net	22,919	26,107
Deferred income taxes, net	1,735	1,554
Long-term investments	95,387	91,194
Operating lease right-of-use assets	23,441	30,304
Other non-current assets	87,486	73,039
Intangible assets, net	20,090	23,392
Goodwill	625,711	624,966
Total assets	1,282,300	1,199,040
Current liabilities:
Accounts payable	11,987	14,254
Accrued expenses and other current liabilities	31,591	27,268
Accrued payroll and related benefits	183,872	171,723
Current maturities of operating lease liabilities	11,116	10,530
Deferred revenues	26,217	21,909
Total current liabilities	264,783	245,684
Non-current liabilities:
Deferred compensation and other liabilities	32,700	33,614
Long-term debt	358,000	290,000
Operating lease liabilities, net of current portion	39,207	45,556
Deferred income taxes, net	34,256	32,146
Total non-current liabilities	464,163	401,316
Commitments and contingencies
Stockholders’ equity
Common stock; $0.01 par value; 500,000,000 shares authorized; 21,597,274 and 22,507,159 shares issued, respectively	215	223
Treasury stock, at cost, 2,848,126 and 2,711,712 shares, respectively	(141,729)	(137,556)
Additional paid-in capital	261,995	318,706
Retained earnings	412,195	352,548
Accumulated other comprehensive income	20,678	18,119
Total stockholders’ equity	553,354	552,040
Total liabilities and stockholders’ equity	$ 1,282,300	$ 1,199,040