Employee Benefit Plans (Schedule Of Net Periodic Benefit Costs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Pension Benefits [Member]
Interest cost	$ 340	$ 360	$ 1,020	$ 1,080
Expected return on plan assets	(365)	(328)	(1,095)	(984)
Amortization of net loss	109	79	325	236
Net periodic benefit cost	84	111	250	332
Other Benefits [Member]
Service cost	18	15	52	44
Interest cost	11	13	34	40
Net periodic benefit cost	$ 29	$ 28	$ 86	$ 84