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Detail of Certain Balance Sheet Accounts - FairValue (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Sep. 30, 2011
Investments, Debt and Equity Securities [Abstract]    
Assets Held-for-sale, at Carrying Value $ 919 $ 1,003
Available-for-sale Securities, Gross Unrealized Gains 69  
Investments, Fair Value Disclosure $ 988 $ 1,003