Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,055	$ 54,330
Restricted cash equivalents	1,084	0
Marketable securities, at fair value	76,776	93,131
Restricted marketable securities, at fair value	25,085	0
Accounts and notes receivable, less allowance for doubtful accounts of $95,985 and $87,250 as of September 30, 2024 and December 31, 2023, respectively	406,495	383,509
Inventories and supplies	17,046	18,479
Prepaid expenses and other assets	24,577	22,247
Total current assets	578,118	571,696
Property and equipment, net	28,435	28,774
Goodwill	75,529	75,529
Other intangible assets, less accumulated amortization of $38,571 and $36,557 as of September 30, 2024 and December 31, 2023, respectively	10,113	12,127
Notes receivable — long–term portion, less allowance for doubtful accounts of $2,013 and $4,449 as of September 30, 2024 and December 31, 2023, respectively	22,908	24,832
Deferred compensation funding, at fair value	48,647	40,812
Deferred tax assets	36,486	35,226
Other long-term assets	5,605	1,656
Total assets	805,841	790,652
Current liabilities:
Accounts payable	76,636	83,224
Accrued payroll and related taxes	42,333	56,142
Other accrued expenses and current liabilities	25,564	21,179
Borrowings under line of credit	25,000	25,000
Income taxes payable	4,500	7,201
Deferred compensation liability — short-term	1,661	1,501
Accrued insurance claims	21,510	22,681
Total current liabilities	197,204	216,928
Accrued insurance claims — long-term	61,520	61,697
Deferred compensation liability — long-term	48,915	41,186
Lease liability — long-term	9,029	11,235
Other long-term liabilities	425	2,990
Commitments and contingencies (Note 15)
STOCKHOLDERS’ EQUITY:
Common stock, $0.01 par value; 200,000 shares authorized; 76,533 and 76,329 shares issued, and 73,291 and 73,341 shares outstanding as of September 30, 2024 and December 31, 2023, respectively	765	763
Additional paid-in capital	316,334	310,436
Retained earnings	212,631	185,010
Accumulated other comprehensive loss, net of taxes	(524)	(1,844)
Common stock in treasury, at cost, 3,242 and 2,988 shares as of September 30, 2024 and December 31, 2023, respectively	(40,458)	(37,749)
Total stockholders’ equity	488,748	456,616
Total liabilities and stockholders’ equity	$ 805,841	$ 790,652