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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
CURRENT ASSETS |  |
Cash and cash equivalents | $ 90,702 | $ 141,295
Short-term investments | 29,054 | 33,960
Restricted cash equivalents and short-term investments | 9,658 | 52,693
Accounts receivable, less allowances (2012 - $5,249; 2011 - $5,957) | 180,631 | 149,665
Other accounts receivable, less allowances (2012 - $1,334; 2011 - $1,226) | 6,539 | 7,538
Prepaid expenses | 17,355 | 11,363
Deferred income taxes | 39,245 | 35,481
Prepaid and refundable income taxes | 5,681 | 6,905
Other | 7,185 | 6,186
TOTAL CURRENT ASSETS | 386,050 | 445,086
PROPERTY, PLANT AND EQUIPMENT |  |
Land and structures | 243,699 | 242,120
Revenue equipment | 589,729 | 569,303
Service, office, and other equipment | 119,456 | 110,511
Software | 103,164 | 64,229
Leasehold improvements | 23,272 | 21,426
TOTAL PROPERTY, PLANT AND EQUIPMENT, GROSS | 1,079,320 | 1,007,589
Less allowances for depreciation and amortization | 635,292 | 592,171
TOTAL PROPERTY, PLANT AND EQUIPMENT, NET | 444,028 | 415,418
GOODWILL | 73,189 | 3,660
INTANGIBLE ASSETS, net | 79,561 | 2,822
OTHER ASSETS | 51,634 | 49,234
TOTAL ASSETS | 1,034,462 | 916,220
CURRENT LIABILITIES |  |
Bank overdraft and drafts payable | 13,645 | 20,836
Accounts payable | 84,292 | 66,517
Income taxes payable | 59 | 169
Accrued expenses | 158,668 | 151,887
Current portion of long-term debt | 43,044 | 24,262
TOTAL CURRENT LIABILITIES | 299,708 | 263,671
LONG-TERM DEBT, less current portion | 112,941 | 46,750
PENSION AND POSTRETIREMENT LIABILITIES | 104,673 | 106,578
OTHER LIABILITIES | 12,832 | 13,751
DEFERRED INCOME TAXES | 45,309 | 19,855
STOCKHOLDERS' EQUITY |  |
Common stock, $0.01 par value, authorized 70,000,000 shares; issued 2012: 27,296,285 shares; 2011: 27,099,819 shares | 273 | 271
Additional paid-in capital | 289,711 | 286,408
Retained earnings | 284,157 | 295,108
Treasury stock, at cost, 1,677,932 shares | (57,770) | (57,770)
Accumulated other comprehensive loss | (57,372) | (58,402)
TOTAL STOCKHOLDERS' EQUITY | 458,999 | 465,615
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | $ 1,034,462 | $ 916,220

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