Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Current assets:
Cash and cash equivalents	$ 11,838	$ 21,026
Accounts receivable, net of allowance for doubtful accounts of $136 and $111, respectively	9,345	6,702
Federal and state income taxes receivable	0	93
Inventory of parts and supplies	970	1,121
Deferred income taxes	723	201
Prepaid tires on equipment	1,556	1,381
Prepaid taxes and licenses	232	1,860
Prepaid insurance	688	2,111
Prepaid expenses, other	119	85
Assets of discontinued operations	101	114
Total current assets	25,572	34,694
Property, plant and equipment, at cost	333,610	313,930
Less accumulated depreciation and depletion	110,525	104,942
Net property, plant and equipment	223,085	208,988
Real estate held for investment, at cost	6,848	6,848
Investment in joint venture	7,523	7,412
Goodwill	1,087	1,087
Unrealized rents	4,022	3,604
Other assets	4,215	3,757
Total assets	272,352	266,390
Current liabilities:
Accounts payable	5,225	3,948
Federal and state income taxes payable	939	0
Accrued payroll and benefits	4,421	4,992
Accrued insurance	2,986	3,303
Accrued liabilities, other	634	1,053
Long-term debt due within one year	5,152	4,902
Liabilities of discontinued operations	20	34
Total current liabilities	19,377	18,232
Long-term debt, less current portion	58,474	62,370
Deferred income taxes	17,939	16,919
Accrued insurance	2,071	2,548
Other liabilities	1,989	1,874
Commitments and contingencies (Note 8)
Shareholders' equity:
Preferred stock, no par value; 5,000,000 shares authorized	0	0
Common stock, $.10 par value; 25,000,000 shares authorized, 9,383,156 and 9,288,023 shares issued	938	929
Capital in excess of par value	40,686	38,845
Retained earnings	130,847	124,642
Accumulated other comprehensive income, net	31	31
Total shareholders' equity	172,502	164,447
Total liabilities and shareholders' equity	$ 272,352	$ 266,390