Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 10,457	$ 5,377
Adjustments to reconcile net income to net cash provided by continuing operating activities:
Depreciation, depletion and amortization	9,126	8,647
Deferred income taxes	(813)	(853)
Equity in loss of joint venture	16	2
(Gain) on sale of equipment	(245)	(311)
(Income) from discontinued operations, net	(5,125)	(217)
Stock-based compensation	624	737
Net changes in operating assets and liabilities:
Accounts receivable	(1,848)	(1,189)
Inventory of parts and supplies	(373)	(60)
Prepaid expenses and other current assets	2,997	3,207
Other assets	54	(176)
Accounts payable and accrued liabilities	628	(1,272)
Income taxes payable and receivable	2,917	(1,560)
Long-term insurance liabilities and other long-term liabilities	159	(213)
Net cash provided by operating activities of continuing operations	18,574	12,119
Net cash used in operating activities of discontinued operations	(605)	(946)
Net cash provided by operating activities	17,969	11,173
Cash flows from investing activities:
Purchase of transportation group property and equipment	(4,660)	(6,433)
Investments in mining royalty land segment	0	(41)
Investments in developed property rentals segment	(8,365)	(2,843)
Investment in joint venture	(114)	(445)
Proceeds from the sale of property, plant and equipment	528	809
Proceeds received on note for sale of SunBelt	3,947	881
Net cash used in investing activities	(8,664)	(8,072)
Cash flows from financing activities:
Repayment of long-term debt	(3,412)	(3,193)
Repurchase of Company Stock	(1,145)	0
Excess tax benefits from exercises of stock options and vesting of restricted stock	323	65
Exercise of employee stock options	538	192
Net cash used in financing activities	(3,696)	(2,936)
Net (decrease) in cash and cash equivalents	5,609	165
Cash and cash equivalents at beginning of period	17,151	15,803
Cash and cash equivalents at end of the period	$ 22,760	$ 15,968