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Income Taxes (Details 3) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Income Taxes [Line Items]    
Current assets $ 5,378us-gaap_DeferredTaxAssetsNetCurrent $ 4,618us-gaap_DeferredTaxAssetsNetCurrent
Long-term liabilities (27,688)us-gaap_DeferredTaxLiabilitiesNoncurrent (26,354)us-gaap_DeferredTaxLiabilitiesNoncurrent
Net deferred tax liabilities $ (22,310)us-gaap_DeferredTaxLiabilities $ (21,736)us-gaap_DeferredTaxLiabilities