Accumulated Other Comprehensive Loss (Summary Of Reclassifications Out Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015		Mar. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	$ 53		$ 0		$ 53		$ 0
Total net of tax	(19)		(46)	[1]	(91)		(91)	[1]
Total net of tax	37		25	[1]	2		(54)	[1]
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension And Postretirement Plans [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net loss	72	[2]	46	[2]	144	[2]	91	[2]
Total before tax	72	[2]	46	[2]	144	[2]	91	[2]
Provision for income taxes	53	[2]		[2]	53	[2]		[2]
Total net of tax	19	[2]	46	[2]	91	[2]	91	[2]
Reclassification out of Accumulated Other Comprehensive Income [Member] | Unrealized Gains and Losses on Available-for-Sale Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on available-for-sale securities into earnings	(7)	[3]	(13)	[1],[3]	(99)	[3]	(135)	[1],[3]
Total before tax	(7)		(13)	[1]	(99)		(135)	[1]
Provision for income taxes		[4]		[1],[4]		[4]		[1],[4]
Total net of tax	$ (7)		$ (13)	[1]	$ (99)		$ (135)	[1]

[1] As Restated

[2] These accumulated other comprehensive loss components are included in the computation of net periodic benefit costs (refer to Note 5 of the Notes to Consolidated Financial Statements for additional details regarding employee benefit plans).

[3] This amount is reported in Interest Expense, net on the Consolidated Statements of Operations

[4] This amount is reported in Income Tax Expense on the Consolidated Statements of Operations