Net Classification of Deferred Income Taxes in Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Disclosure - Net Classification of Deferred Income Taxes in Balance Sheet (Details) [Line Items]
Current deferred income tax asset	$ 7,056	$ 6,689
Non-current deferred income tax assets	594	307
Current deferred income tax liability	(12)	(111)
Noncurrent deferred income tax liability	(2,597)	(2,843)
Net deferred income tax asset	$ 5,041	$ 4,042

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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