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Strategic Investments - Carrying Amount and Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Sep. 30, 2014
Jun. 30, 2014
Schedule of Equity Method Investments [Line Items]      
Recorded value $ 90,423 $ 91,781 $ 90,730
Cash Converters International Limited [Member]      
Schedule of Equity Method Investments [Line Items]      
Recorded value 90,423 91,781 90,730
Fair value $ 81,426 $ 128,956 $ 139,213