Income Taxes (Components Of Income Taxes Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Income Tax Disclosure [Abstract]
Federal	$ 491	$ (338)	$ (6)
State and local	613	244	673
Foreign	3,511	1,390	320
Current income tax expense	4,615	1,296	987
Federal	1,276	606	12,659
State and local	(513)	157	197
Foreign	(2,151)	174	(1,343)
Deferred income tax expense	(1,388)	937	11,513
Income tax expense (benefit)	$ 3,227	$ 2,233	$ 12,500