Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flows from Operating Activities:
Net Income	$ 3,887	$ 1,206
Adjustments to Reconcile Net Income to Net Cash Provided (Used) by Operating Activities:
Depreciation and amortization	6,414	7,404
Non-cash interest expense	150	380
Non-cash component of loss on debt extinguishment	1,252
Share-based compensation	369	320
Excess tax benefit from stock-based compensation	(432)
Deferred income taxes	1,333	1,172
Loss on sale of assets	1	23
Changes in operating assets and liabilities:
Accounts receivable, net	(6,045)	(12,379)
Inventories	(13,137)	(9,637)
Prepaid expenses and other current assets	88	(580)
Accounts payable	(2,321)	(3,251)
Income taxes	(4,050)	(55)
Accrued liabilities	25	(2,308)
Accrued interest	(967)	1
Employee related liabilities	(1,156)	(819)
Deferred revenues and customer deposits	27,374	19,426
Environmental remediation reserves	(2,907)	(2,864)
Pension obligations, net	445	(3,881)
Other	(1,770)	(170)
Discontinued operations, net	28	(769)
Net Cash Provided (Used) by Operating Activities	8,581	(6,781)
Cash Flows from Investing Activities:
Capital expenditures	(5,851)	(2,381)
Other investing activities		120
Discontinued operations, net		(423)
Net Cash Used by Investing Activities	(5,851)	(2,684)
Cash Flows from Financing Activities:
Issuances of long-term debt	60,000
Payments of long-term debt	(67,259)	(9)
Debt issuance costs	(1,386)
Issuances of common stock	995
Excess tax benefit from stock-based compensation	432
Discontinued operations, net		(28)
Net Cash Used by Financing Activities	(7,218)	(37)
Effect of Changes in Currency Exchange Rates on Cash		15
Net Change in Cash and Cash Equivalents	(4,488)	(9,487)
Cash and Cash Equivalents, Beginning of Period	31,182	30,703
Cash and Cash Equivalents, End of Period	26,694	21,216
Cash Paid (Received) For:
Interest	2,653	4,851
Income taxes	5,463	176
Non-Cash Investing and Financing Transactions:
Additions to Property, Plant and Equipment not yet paid	$ 1,102	$ 320