Consolidated Condensed Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 2,148	$ 1,203
Accounts receivable, net	46,695	41,921
Tires on equipment in use, net	6,999	5,982
Deferred income taxes	1,150	1,150
Other current assets	8,307	6,575
Assets held for sale, net of accumulated depreciation	10,818	0
Total current assets	76,117	56,831
Property and equipment, net	63,507	72,993
Other assets	6,185	5,081
Total assets	145,809	134,905
Current liabilities
Accounts payable	26,986	27,443
Insurance and claims accruals	11,160	8,697
Accrued payroll and deferred compensation	4,959	5,032
Accrued liabilities	1,196	709
Current maturities of notes payable and capital lease obligations	1,407	0
Total current liabilities	45,708	41,881
Long-term debt	28,352	5,689
Long-term notes payable and capital lease obligations	8,146	0
Deferred income taxes	1,506	3,153
Insurance and claims accruals	7,541	5,373
Total liabilities	91,253	56,096
Shareholders' equity
Common Stock, $1.50 par value per share; 75,000 shares authorized; 18,572 shares issued	27,858	27,858
Additional paid-in capital	188	1,353
Accumulated other comprehensive loss	(69)	0
Retained earnings	33,332	58,242
Total common shareholders' equity	61,309	87,453
Treasury stock (960 and 1,146 shares), at cost	(6,753)	(8,644)
Total shareholders' equity	54,556	78,809
Total liabilities and shareholders' equity	$ 145,809	$ 134,905