Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Income Taxes [Abstract]
Pension accrual	$ 2,998	$ 2,148
Compensation expense	2,794	2,581
Medical insurance claims	475	433
Retirement plans	2,251	1,979
Allowance for uncollectible accounts	339	196
Accruals not currently deductible	416	145
Other	1,565	954
Deferred tax assets, gross	10,838	8,436
Depreciation	1,904	1,663
Software development	14,812	12,582
Intangible asset amortization	7,267	4,643
Accrued income	28	95
Other	51	50
Deferred tax liabilities, gross	24,062	19,033
Net deferred tax liability	$ (13,224)	$ (10,597)