Accumulated Other Comprehensive Loss (Summary Of Reclassifications Out Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	$ 0	$ 0
Total net of tax	(72)	(45)
Total net of tax	(35)	(79)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension And Postretirement Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net gain	72	45
Provision for income taxes
Total net of tax	72	45
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on available-for-sale securities into earnings	(92)	(122)
Provision for income taxes
Total net of tax	$ (92)	$ (122)