Employee Benefit Plans (Schedule Of Assumptions Used) (Details)	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Pension Benefits [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate - benefit obligations	4.72%	3.77%
Rate of compensation increase - benefit obligations
Discount rate - net periodic benefit	3.77%	4.60%	5.08%
Expected long-term return on plan assets - net periodic benefit	6.50%	6.50%	6.50%
Rate of compensation increase - net periodic benefit
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate - benefit obligations	4.72%	3.77%
Rate of compensation increase - benefit obligations
Discount rate - net periodic benefit	3.77%	4.60%	5.08%
Expected long-term return on plan assets - net periodic benefit
Rate of compensation increase - net periodic benefit