Investment in Available for Sale Security	9 Months Ended
Investment in Available for Sale Security	Jun. 30, 2014
Investments Debt And Equity Securities [Abstract]
Investment in Available for Sale Security	(4) Investment in Available for Sale Security On October 30, 2007, the Company invested $0.5 million in the Hennessy Micro Cap Growth Fund, LLC (the “Micro Cap Fund”). The Micro Cap Fund was closed on December 14, 2012 and the investment was liquidated, resulting in a realized loss of $0.1 million. The loss was included in other expense on the income statement for the nine months ended June 30, 2013.

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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