Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 64,317	$ 56,776
Restricted cash equivalents	65	3,355
Marketable securities, at fair value	50,496	50,535
Restricted marketable securities, at fair value	29,051	25,105
Accounts receivable, less allowance for doubtful accounts of $87,098 and $87,520 as of March 31, 2025 and December 31, 2024, respectively	337,896	330,907
Notes receivable — short–term portion, less allowance for doubtful accounts of $$10,188 and $$10,372 as of March 31, 2025 and December 31, 2024, respectively	49,121	51,429
Inventories and supplies	17,273	16,749
Prepaid expenses and other assets	26,749	21,796
Total current assets	574,968	556,652
Property and equipment, net	29,307	28,198
Goodwill	80,042	75,529
Other intangible assets, less accumulated amortization of $39,927 and $39,242 as of March 31, 2025 and December 31, 2024, respectively	10,018	9,442
Notes receivable — long–term portion, less allowance for doubtful accounts of $2,551 and $2,890 as of March 31, 2025 and December 31, 2024, respectively	36,197	41,054
Deferred compensation funding, at fair value	46,832	49,639
Deferred tax assets	39,509	38,170
Other long-term assets	6,090	4,088
Total assets	822,963	802,772
Current liabilities:
Accounts payable	78,774	81,147
Accrued payroll and related taxes	45,971	51,579
Other accrued expenses and current liabilities	36,588	24,783
Income taxes payable	9,604	8,391
Deferred compensation liability — short-term	1,881	1,499
Accrued insurance claims	25,931	25,148
Total current liabilities	198,749	192,547
Accrued insurance claims — long-term	53,259	51,869
Deferred compensation liability — long-term	46,766	50,011
Lease liability — long-term	7,948	8,033
Other long-term liabilities	2,043	385
Commitments and contingencies (Note 14)
STOCKHOLDERS’ EQUITY:
Common stock, $0.01 par value; 200,000 shares authorized; 76,809 and 76,533 shares issued, and 72,919 and 73,203 shares outstanding as of March 31, 2025 and December 31, 2024, respectively	768	765
Additional paid-in capital	320,731	318,363
Retained earnings	241,836	224,556
Accumulated other comprehensive loss, net of taxes	(1,814)	(2,317)
Common stock in treasury, at cost, 3,890 and 3,330 shares as of March 31, 2025 and December 31, 2024, respectively	(47,323)	(41,440)
Total stockholders’ equity	514,198	499,927
Total liabilities and stockholders’ equity	$ 822,963	$ 802,772