Consolidated Condensed Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities
Net loss	$ (24,910)	$ (10,431)
Non-cash items included in net loss
Gain on sale of property and equipment	(1,234)	(592)
Depreciation and amortization	17,029	14,963
Provision for losses on accounts receivable	1,061	678
Deferred income tax	(1,647)	(5,619)
Deferred compensation	152	492
Postretirement benefits	(69)	0
Investment income	(551)	(443)
Change in operating assets and liabilities
Accounts receivable	(5,835)	(1,854)
Tires on equipment in use	(4,184)	(2,861)
Other current assets	(1,327)	6,521
Accounts payable	(122)	7,251
Other assets	(1,536)	(467)
Insurance and claims accruals	4,631	(2,441)
Accrued liabilities, payroll and other	995	1,796
Net cash (used in) provided by operating activities	(17,547)	6,993
Cash flows from investing activities
Expenditures for property and equipment	(19,683)	(16,719)
Proceeds from sale of property and equipment	4,969	6,531
Cash distributions from investment	999	1,016
Other	0	76
Net cash used in investing activities	(13,715)	(9,096)
Cash flows from financing activities
Proceeds from borrowings	98,273	15,272
Payments against borrowings	(75,610)	(15,272)
Proceeds from notes payable and capital lease obligations	9,685	0
Repayments of notes payable and capital lease obligations	(132)	0
Income tax benefit (expense) of stock options and restricted stock	22	(6)
Proceeds from capital stock transactions, net	604	671
Purchases of treasury stock	(635)	(71)
Net cash provided by financing activities	32,207	594
Net increase (decrease) in cash and cash equivalents	945	(1,509)
Cash and cash equivalents at beginning of period	1,203	3,667
Cash and cash equivalents at September 30	$ 2,148	$ 2,158