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Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $)
In Thousands
Jun. 30, 2011
Sep. 30, 2010
Summary Of Significant Accounting Policies    
Funded Status of the Pension and Other Post-Retirement Benefit Plans $ (79,465) $ (79,465)
Cumulative Foreign Currency Translation Adjustment   (51)
Net Unrealized Gain on Derivative Financial Instruments 557 32,876
Net Unrealized Gain on Securities Available for Sale 3,810 1,655
Accumulated Other Comprehensive Loss $ (75,098) $ (44,985)