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Strategic Investments - Carrying Amount and Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Schedule of Equity Method Investments [Line Items]    
Recorded value $ 56,182 $ 91,781
Cash Converters International Limited [Member]    
Schedule of Equity Method Investments [Line Items]    
Recorded value 56,182 91,781
Fair value $ 56,182 $ 128,956