Income Tax Expense (Principal Components Of Income Tax Expense (Benefit) From Continuing Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Federal, Current	$ 19,236	$ 11,906	$ 18,756
Federal, Deferred	(909)	5,406	(2,442)
State and local, Current	1,674	867	1,397
State and local, Deferred	(222)	16	(245)
Foreign, Current	1,899	1,525	2,044
Foreign, Deferred	860	65	84
Total	$ 22,538	$ 19,785	$ 19,594