Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Sep. 30, 2011
Current assets:
Cash and cash equivalents	$ 20,037	$ 21,026
Accounts receivable, net of allowance for doubtful accounts of $112 and $111, respectively	8,961	6,702
Federal and state income taxes receivable	958	93
Inventory of parts and supplies	1,050	1,121
Deferred income taxes	493	201
Prepaid tires on equipment	1,521	1,381
Prepaid taxes and licenses	862	1,860
Prepaid insurance	1,125	2,111
Prepaid expenses, other	114	85
Assets of discontinued operations	107	114
Total current assets	35,228	34,694
Property, plant and equipment, at cost	318,791	313,930
Less accumulated depreciation and depletion	108,630	104,942
Net property, plant and equipment	210,161	208,988
Real estate held for investment, at cost	6,848	6,848
Investment in joint venture	7,470	7,412
Goodwill	1,087	1,087
Unrealized rents	3,967	3,604
Other assets	3,782	3,757
Total assets	268,543	266,390
Current liabilities:
Accounts payable	3,590	3,948
Accrued payroll and benefits	3,882	4,992
Accrued insurance	3,115	3,303
Accrued liabilities, other	1,165	1,053
Long-term debt due within one year	5,068	4,902
Liabilities of discontinued operations	31	34
Total current liabilities	16,851	18,232
Long-term debt, less current portion	59,794	62,370
Deferred income taxes	18,147	16,919
Accrued insurance	2,154	2,548
Other liabilities	1,949	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, 9,372,551 and 9,288,023 shares issued	937	929
Capital in excess of par value	40,378	38,845
Retained earnings	128,302	124,642
Accumulated other comprehensive income, net	31	31
Total shareholders' equity	169,648	164,447
Total liabilities and shareholders' equity	$ 268,543	$ 266,390