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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
CURRENT ASSETS |  |
Cash and cash equivalents | $ 172,855 | $ 262,226
Short-term investments | 68,065 | 67,842
Accounts receivable, less allowances (2024 - $9,184; 2023 - $10,346) | 433,717 | 430,122
Other accounts receivable, less allowances (2024 - $733; 2023 - $731) | 11,389 | 52,124
Prepaid expenses | 39,232 | 37,034
Prepaid and refundable income taxes | 22,084 | 24,319
Other | 11,136 | 11,116
TOTAL CURRENT ASSETS | 758,478 | 884,783
PROPERTY, PLANT AND EQUIPMENT |  |
Land and structures | 491,555 | 460,068
Revenue equipment | 1,119,446 | 1,126,055
Service, office, and other equipment | 318,252 | 319,466
Software | 176,988 | 173,354
Leasehold improvements | 25,173 | 24,429
TOTAL PROPERTY, PLANT AND EQUIPMENT, Gross | 2,131,414 | 2,103,372
Less allowances for depreciation and amortization | 1,193,584 | 1,188,548
PROPERTY, PLANT AND EQUIPMENT, net | 937,830 | 914,824
GOODWILL | 304,753 | 304,753
INTANGIBLE ASSETS, net | 97,940 | 101,150
OPERATING RIGHT-OF-USE ASSETS | 174,987 | 169,999
DEFERRED INCOME TAXES | 10,032 | 8,140
OTHER LONG-TERM ASSETS | 73,123 | 101,445
TOTAL ASSETS | 2,357,143 | 2,485,094
CURRENT LIABILITIES |  |
Accounts payable | 209,908 | 214,004
Income taxes payable | 8 | 10,410
Accrued expenses | 313,494 | 378,029
Current portion of long-term debt | 63,179 | 66,948
Current portion of operating lease liabilities | 31,986 | 32,172
TOTAL CURRENT LIABILITIES | 618,575 | 701,563
LONG-TERM DEBT, less current portion | 148,992 | 161,990
OPERATING LEASE LIABILITIES, less current portion | 174,085 | 176,621
POSTRETIREMENT LIABILITIES, less current portion | 13,318 | 13,319
CONTINGENT CONSIDERATION | 100,220 | 92,900
OTHER LONG-TERM LIABILITIES | 34,422 | 40,553
DEFERRED INCOME TAXES | 44,798 | 55,785
STOCKHOLDERS' EQUITY |  |
Common stock, $0.01 par value, authorized 70,000,000 shares; issued 2024: 30,038,556 shares; 2023: 30,024,125 shares | 300 | 300
Additional paid-in capital | 343,102 | 340,961
Retained earnings | 1,267,444 | 1,272,584
Treasury stock, at cost, 2024: 6,580,818 shares; 2023: 6,460,137 shares | (391,458) | (375,806)
Accumulated other comprehensive income | 3,345 | 4,324
TOTAL STOCKHOLDERS' EQUITY | 1,222,733 | 1,242,363
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | $ 2,357,143 | $ 2,485,094

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