Benefit Plans, Periodic Benefit Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Periodic Benefit Expense Details [Abstract]
Interest Cost	$ 219	$ 255	$ 159
Expected Return on Plan Assets	(249)	(205)	(139)
Net Periodic Benefit Cost	(30)	50	20
Other Changes Recognized In Other Comprehensive Income [Abstract]
Actuarial (Gain) Loss	(373)	(88)	591
Total Recognized In Net Periodic Benefit Costs And Other Comprehensive Income	(403)	(38)	611
Defined Benefit Plan Total Recognized In Other Comprehensive Income Net Of Tax	$ (228)	$ (21)	$ 457