Accumulated Other Comprehensive Loss (Changes In Each Component Of AOCI) (Details) - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (13,741)	$ (10,148)
Other comprehensive (loss) income before reclassifications	1,603	(3,327)
Amounts reclassified from accumulated other comprehensive (loss) income	(77)	29
Net current period other comprehensive (loss) income	1,526	(3,298)
Balance	(12,215)	(13,446)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(5,468)	(2,493)
Other comprehensive (loss) income before reclassifications	1,456	(3,478)
Net current period other comprehensive (loss) income	1,456	(3,478)
Balance	(4,012)	(5,971)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	259	166
Other comprehensive (loss) income before reclassifications	147	151
Amounts reclassified from accumulated other comprehensive (loss) income	(334)	(108)
Net current period other comprehensive (loss) income	(187)	43
Balance	72	209
Pension And Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(8,532)	(7,821)
Amounts reclassified from accumulated other comprehensive (loss) income	257	137
Net current period other comprehensive (loss) income	257	137
Balance	$ (8,275)	$ (7,684)