Income Taxes (Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Income Tax Disclosure [Abstract]
Current deferred tax asset	$ 3,389	$ 2,610
Non-current deferred tax asset	5,010	3,771
Current deferred tax liability	(16)	(137)
Non-current deferred tax liability	(630)	(813)
Net deferred tax asset	7,753	5,431
Uncollectible accounts and other reserves	1,669	1,454
Depreciation and amortization	164	183
Inventories	1,263	913
Compensation costs	7,034	6,106
Tax carryforwards	714	771
Valuation allowance	(534)	(354)
Indentifiable intangible assets	$ (2,557)	$ (3,642)