Fair Value Measurements (Schedule Of Reconciliation Of Items Measured At Fair Value On A Recurring Basis That Used Significant Unobservable Inputs (Level 3)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 3,036	$ 4,750
Total (losses) gains realized or unrealized: Included in other comprehensive income	264	(14)
Settlements	(3,300)	(1,700)
Balance, end of period	0	3,036
Unrealized losses attributable to assets still held as of the end of the period	$ 0	$ (14)