Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Cash flows provided by operating activities:
Net (loss) income	$ (24,698)us-gaap_ProfitLoss	$ 3,636us-gaap_ProfitLoss	$ 19,374us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,915	15,051	11,961
Goodwill and other intangible impairment charge	62,188	22,700
Loss (gain) on sale, disposal and abandonment of assets	208	(32)	3,455
Gain on investments	(419)us-gaap_GainLossOnInvestments	(366)us-gaap_GainLossOnInvestments	(425)us-gaap_GainLossOnInvestments
Equity in income of joint ventures	(2,939)us-gaap_OtherNoncashIncome	(3,251)us-gaap_OtherNoncashIncome	(3,103)us-gaap_OtherNoncashIncome
Dividends from joint ventures	1,340us-gaap_ProceedsFromDividendsReceived	1,891us-gaap_ProceedsFromDividendsReceived	1,393us-gaap_ProceedsFromDividendsReceived
Stock-based compensation and related net tax benefits	2,074	2,541	2,413
Current and long-term deferred taxes, net	(26,920)	(4,680)	3,309
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable, net	2,568us-gaap_IncreaseDecreaseInReceivables	(3,012)us-gaap_IncreaseDecreaseInReceivables	(7,457)us-gaap_IncreaseDecreaseInReceivables
Decrease (increase) in prepaid taxes	1,363us-gaap_IncreaseDecreaseInPrepaidTaxes	(1,130)us-gaap_IncreaseDecreaseInPrepaidTaxes	2,800us-gaap_IncreaseDecreaseInPrepaidTaxes
Decrease (increase) in other operating assets, net	1,497	(4,547)	(2,373)
Increase in accounts payable and other accrued liabilities	2,854	49	3,380
Increase (decrease) in other operating liabilities, net	3,654	(3,501)	1,678
Net cash provided by operating activities	36,685	25,349	36,405
Cash flows used by investing activities:
Acquisition of property, plant & equipment	(4,161)	(9,145)	(14,519)
Acquisition of joint ventures and businesses, net of cash acquired	(1,800)		(110,057)
Other investing activities, net	(1,255)	(2,534)	(849)
Net cash used by investing activities	(7,216)	(11,679)	(125,425)
Cash flows (used) provided by financing activities:
Net borrowings on revolving credit facility	(60)	(19)	(19,803)
Long–term borrowings - loan	33,800	27,691	144,797
Long–term borrowings - repayment	(43,000)us-gaap_RepaymentsOfDebt	(27,187)us-gaap_RepaymentsOfDebt	(5,300)us-gaap_RepaymentsOfDebt
Dividends paid to stockholders	(21,048)us-gaap_PaymentsOfDividendsCommonStock	(20,897)us-gaap_PaymentsOfDividendsCommonStock	(20,808)us-gaap_PaymentsOfDividendsCommonStock
Other financing activities, net	(597)	(261)	(210)
Net cash (used) provided by financing activities	(30,905)	(20,673)	98,676
Effects of foreign currency translation	(475)		(143)
Net (decrease) increase in cash and cash equivalents	(1,911)	(7,003)	9,513
Opening balance – cash and cash equivalents	8,672	15,675	6,162
Ending balance – cash and cash equivalents	6,761	8,672	15,675
Supplemental disclosure of cash flow information:
Accrued capital spending included in accounts payable and other accrued liabilities	351	347	3,140
Cash paid for interest, net of amounts capitalized	3,930us-gaap_InterestPaid	4,441us-gaap_InterestPaid	3,582us-gaap_InterestPaid
Cash paid for income taxes, net of refunds	$ 6,704us-gaap_IncomeTaxesPaid	$ 7,374us-gaap_IncomeTaxesPaid	$ 2,050us-gaap_IncomeTaxesPaid

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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.