Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Change in Derivative Fair Value,Tax		$ 688	$ 1,845
Reclassification from Accumulated Other Comprehensive Income (Loss) to Net Income,Tax		540	2,691
Foreign Currency Translation Adjustment,Tax		89	54
Change in Pension and Other Postretirement Benefits Liability, Tax		2,933	20,247
Adjustments to Apply Measurement Date Change for Pension and Other Postretirement Benefits, Tax			$ 126
Dividends, per share	$ 0.08	$ 0.08	$ 0.18

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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Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. 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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- Definition

Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity. 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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- Definition

Tax effect on reclassification adjustment for accumulated gains and losses from derivative instrument designated and qualifying as the effective portion of cash flow hedges included in accumulated comprehensive income that was realized in net income during the period.

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