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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 12,412 $ 13,966
Accounts receivable, trade, less allowance of $10,154 and $9,484, respectively 218,712 190,264
Other receivables 9,213 10,431
Inventories and supplies 30,212 16,868
Prepaid taxes, licenses, and permits 15,094 14,934
Current deferred income taxes 25,805 27,829
Other current assets 29,883 23,407
Total current assets 341,331 297,699
Property and equipment, at cost:    
Land 30,242 30,092
Buildings and improvements 130,230 128,908
Revenue equipment 1,284,060 1,220,527
Service equipment and other 180,476 170,110
Total property and equipment 1,625,008 1,549,637
Less - accumulated depreciation 682,872 708,582
Property and equipment, net 942,136 841,055
Other non-current assets 18,949 12,798
Total assets 1,302,416 1,151,552
Current liabilities:    
Checks issued in excess of cash balances 6,671 0
Accounts payable 93,486 57,708
Insurance and claims accruals 62,681 71,857
Accrued payroll 19,483 18,838
Other current liabilities 16,504 20,037
Total current liabilities 198,825 168,440
Other long-term liabilities 14,194 10,380
Insurance and claims accruals, net of current portion 121,250 113,250
Deferred income taxes 243,000 190,507
Commitments and contingencies      
Stockholders' equity:    
Common stock, $0.01 par value, 200,000,000 shares authorized; 80,533,536 shares issued; 72,847,576 and 72,644,998 shares outstanding, respectively 805 805
Paid-in capital 94,396 91,872
Retained earnings 779,994 728,216
Accumulated other comprehensive loss (5,170) (3,420)
Treasury stock, at cost; 7,685,960 and 7,888,538 shares, respectively (144,878) (148,498)
Total stockholders' equity 725,147 668,975
Total liabilities and stockholders' equity $ 1,302,416 $ 1,151,552