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CONDENSED FINANCIAL INFORMATION OF PARENT COMPANY Parentheticals (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Tax on adjustment for postemployment benefit obligation	$ 345	$ (567)	$ 1,464
Parent Company [Member]
Tax on adjustment for postemployment benefit obligation	$ 348	$ (205)	$ 323

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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