Income Taxes (Reconciliation Of The Change In Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Balance at Beginning of Year	$ 2,001	$ 11,170	$ 7,766
Additions for Tax Positions Related to Current Year	0	700	1,600
Additions for Tax Positions of Prior Years	2,447	164	2,751
Reductions for Tax Positions of Prior Years	(1,301)	(10,033)	(947)
Balance at End of Year	$ 3,147	$ 2,001	$ 11,170