Other Intangible Assets, Net (Schedule Of Other Intangible Assets By Major Class) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013	Sep. 30, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,338	$ 3,228
Accumulated Amortization	2,566	2,436
Net Carrying Amount	772	792
Capitalized software
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life in Years	2 years
Gross Carrying Amount	1,300	1,190
Accumulated Amortization	1,188	1,160
Net Carrying Amount	112	30
Patents
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life in Years	20 years
Gross Carrying Amount	160	160
Accumulated Amortization	68	65
Net Carrying Amount	92	95
Customer lists
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life in Years	10 years
Gross Carrying Amount	1,790	1,790
Accumulated Amortization	1,278	1,195
Net Carrying Amount	512	595
Loan acquisition costs
Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life in Years	4 years
Gross Carrying Amount	88	88
Accumulated Amortization	32	16
Net Carrying Amount	$ 56	$ 72