Income Taxes (Schedule Of Components Of Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Abstract]
Current, U.S. federal	$ 3,594	$ 1,857	$ 5,512
Current, state and local	477	194	511
Current, foreign	2,335	2,149	2,370
Current tax provision	6,406	4,200	8,393
Deferred, U.S. federal	(7,011)	3,927	2,360
Deferred, state and local	(378)	388	107
Deferred, foreign	(233)	(475)	667
Deferred tax provision	(7,622)	3,840	3,134
Income tax provision	$ (1,216)	$ 8,040	$ 11,527