ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014
Changes in foreign currency translation
Beginning accumulated foreign currency translation	$ 1,285	$ 2,921	$ 1,692	$ 3,701
Change in cumulative translation adjustment before reclassifications	(918)	(873)	(1,325)	(1,653)
Amounts reclassified from accumulated other comprehensive income	146	(48)	146	(48)
Income taxes	0	0	0	0
Net current period other comprehensive loss	(772)	(921)	(1,179)	(1,701)
Ending accumulated foreign currency translation	513	2,000	513	2,000
Changes in retirement plans
Beginning accumulated retirement plans benefit cost	(1,924)	(702)	(1,950)	(710)
Amortization of net actuarial loss and prior service cost	27	8	53	16
Income taxes	0	0	0	0
Net current period other comprehensive income	27	8	53	16
Ending accumulated retirement plans benefit cost	(1,897)	(694)	(1,897)	(694)
Accumulated other comprehensive (loss) income, net of taxes	$ (1,384)	$ 1,306	$ (1,384)	$ 1,306	$ (258)

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount before tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount before tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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