Accumulated Other Comprehensive Loss (Changes In Each Component Of AOCI) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (10,148)	$ (4,408)
Other comprehensive income before reclassifications	(3,597)	234
Amounts reclassified from accumulated other comprehensive income	(8)	(44)
Net current period other comprehensive income	(3,605)	190
Balance	(13,753)	(4,218)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(2,493)	(383)
Other comprehensive income before reclassifications	(3,698)	153
Net current period other comprehensive income	(3,698)	153
Balance	(6,191)	(230)
Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	166	132
Other comprehensive income before reclassifications	101	81
Amounts reclassified from accumulated other comprehensive income	(99)	(135)
Net current period other comprehensive income	2	(54)
Balance	168	78
Pension And Postretirement Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(7,821)	(4,157)
Amounts reclassified from accumulated other comprehensive income	91	91
Net current period other comprehensive income	91	91
Balance	$ (7,730)	$ (4,066)