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Consolidated Balance Sheets - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 70,794 | $ 139,330
Marketable securities, at fair value | 114,396 | 125,012
Accounts and notes receivable, less allowance for doubtful accounts of $59,271 and $59,906 as of December 31, 2021 and 2020, respectively | 293,388 | 255,474
Inventories and supplies | 26,015 | 31,586
Taxes receivable | 8,813 | 393
Prepaid expenses and other assets | 32,976 | 20,608
Total current assets | 546,382 | 572,403
Property and equipment, net | 28,102 | 26,561
Goodwill | 74,755 | 51,084
Other intangible assets, less accumulated amortization of $27,879 and $23,466 as of December 31, 2021 and 2020, respectively | 20,805 | 18,187
Notes receivable — long–term portion, less allowance for doubtful accounts of $6,312 and $7,895 as of December 31, 2021 and 2020, respectively | 29,259 | 34,417
Deferred compensation funding, at fair value | 46,691 | 46,825
Deferred tax asset | 31,535 | 35,554
Total assets | 777,529 | 785,031
Current liabilities: |  |
Accounts payable | 64,419 | 52,239
Accrued payroll and related taxes | 68,664 | 70,614
Other accrued expenses | 26,741 | 17,797
Deferred compensation liability — short-term | 6,991 | 0
Accrued insurance claims | 24,310 | 21,610
Total current liabilities | 191,125 | 162,260
Accrued insurance claims — long-term | 65,084 | 60,818
Deferred compensation liability — long-term | 46,888 | 46,827
Accrued payroll and related taxes — noncurrent | 0 | 23,302
Lease liability — long-term | 11,299 | 11,363
Other long-term liabilities | 10,456 | 0
Commitments and contingencies (Note 15) |  |
STOCKHOLDERS’ EQUITY: |  |
Common stock, $0.01 par value; 100,000 shares authorized; 76,009 and 75,798 shares issued, and 73,769 and 74,485 shares outstanding as of December 31, 2021 and 2020, respectively | 760 | 758
Additional paid-in capital | 294,124 | 282,206
Retained earnings | 183,957 | 200,893
Accumulated other comprehensive income, net of taxes | 4,000 | 5,563
Common stock in treasury, at cost, 2,240 and 1,313 shares as of December 31, 2021 and 2020, respectively | (30,164) | (8,959)
Total stockholders’ equity | 452,677 | 480,461
Total liabilities and stockholders’ equity | $ 777,529 | $ 785,031

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