Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 4,527	$ 6,713
Accounts receivable, net of allowance for doubtful accounts of $156 and $129, respectively	7,008	7,019
Real estate tax refund receivable	2,352	2,311
Federal and state income taxes receivable	587	426
Inventory of parts and supplies	1,013	843
Prepaid tires on equipment	1,707	1,631
Prepaid taxes and licenses	903	2,050
Prepaid insurance	1,469	2,371
Prepaid expenses, other	110	70
Real estate held for sale, at cost	7,050	3,485
Total current assets	26,726	26,919
Property, plant and equipment, at cost	342,671	338,702
Less accumulated depreciation and depletion	112,985	110,681
Net property, plant and equipment	229,686	228,021
Real estate held for investment, at cost	4,125	3,640
Investment in joint venture	7,537	7,521
Goodwill	1,087	1,087
Unrealized rents	4,434	4,155
Other assets	4,709	4,362
Total assets	278,304	275,705
Current liabilities:
Accounts payable	3,660	5,266
Deferred income taxes	119	58
Accrued payroll and benefits	4,372	5,164
Accrued insurance	1,916	3,249
Accrued liabilities, other	1,075	1,189
Long-term debt due within one year	5,375	5,239
Total current liabilities	16,517	20,165
Long-term debt, less current portion	54,419	57,131
Deferred income taxes	19,683	18,199
Accrued insurance	1,610	1,659
Other liabilities	3,936	3,833
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, 9,544,720 and 9,440,620 shares issued	954	944
Capital in excess of par value	43,750	41,539
Retained earnings	137,403	132,203
Accumulated other comprehensive income, net	32	32
Total shareholders' equity	182,139	174,718
Total liabilities and shareholders' equity	$ 278,304	$ 275,705