Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 243,960	$ 303,222
Accounts receivable, net	1,157,465	1,102,142
Current portion of notes receivable	45,211	30,997
Prepaid expenses and other current assets	98,062	119,092
Total current assets	1,544,698	1,555,453
Property and equipment, net	152,949	159,662
Operating lease assets	199,596	208,910
Goodwill	1,230,645	1,234,569
Intangible assets, net	19,455	18,285
Notes receivable, net	96,806	75,431
Other assets	80,379	73,568
Total assets	3,324,528	3,325,878
Current liabilities
Accounts payable, accrued expenses and other	226,787	223,758
Accrued compensation	332,677	601,074
Billings in excess of services provided	68,236	67,937
Total current liabilities	627,700	892,769
Long-term debt, net	205,000	0
Noncurrent operating lease liabilities	213,576	223,774
Deferred income taxes	136,065	140,976
Other liabilities	87,831	86,939
Total liabilities	1,270,172	1,344,458
Commitments and contingencies (Note 10)
Stockholders’ equity
Preferred stock, $0.01 par value; shares authorized — 5,000; none outstanding	0	0
Common stock, $0.01 par value; shares authorized — 75,000; shares issued and outstanding 35,697 (2024) and 35,521 (2023)	357	355
Additional paid-in capital	21,162	16,760
Retained earnings	2,194,730	2,114,765
Accumulated other comprehensive loss	(161,893)	(150,460)
Total stockholders’ equity	2,054,356	1,981,420
Total liabilities and stockholders’ equity	$ 3,324,528	$ 3,325,878