Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenues	$ 51,917	$ 37,247	$ 128,955	$ 130,706
Cost of Revenues	40,376	28,920	100,631	93,054
Gross Profit	11,541	8,327	28,324	37,652
Operating Expenses	9,811	11,946	33,054	35,697
Environmental Remediation Charges	6,000		6,000
Other Operating Gains			2,929
Operating Income (Loss)	(4,270)	(3,619)	(7,801)	1,955
Interest Income and Other (Expense), Net	63	(291)	435	(559)
Interest Expense	2,642	2,671	7,927	8,102
Loss before Income Tax	(6,849)	(6,581)	(15,293)	(6,706)
Income Tax Benefit	(685)	(2,008)	(4,297)	(1,809)
Net Loss	$ (6,164)	$ (4,573)	$ (10,996)	$ (4,897)
Loss per Share:
Basic	$ (0.82)	$ (0.61)	$ (1.46)	$ (0.65)
Diluted	$ (0.82)	$ (0.61)	$ (1.46)	$ (0.65)
Weighted-Average Shares Outstanding:
Basic	7,525,000	7,491,000	7,514,000	7,489,000
Diluted	7,525,000	7,491,000	7,514,000	7,489,000