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Retirement And Other Benefit Plans (Schedule Of Weighted-Average Assumptions Used To Determine The Net Periodic Benefit Cost For Pension Plans) (Details)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Net Periodic Benefit Cost [Member]
     
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Discount rate 3.75% 4.50% 5.00%
Rate of increase in compensation levels 0.00% 0.00% 0.00%
Expected long-term rate of return on assets 7.50% 7.50% 8.00%
Net Periodic Benefit Obligations [Member]
     
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]      
Discount rate 4.75% 3.75%  
Rate of increase in compensation levels 0.00% 0.00%