Strategic Investments - Carrying Amount and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2015	Sep. 30, 2014	Mar. 31, 2014
Schedule of Equity Method Investments [Line Items]
Recorded value	$ 94,510	$ 91,781	$ 88,685
Cash Converters International Limited [Member]
Schedule of Equity Method Investments [Line Items]
Recorded value	94,510	91,781	88,685
Fair value	$ 105,150	$ 128,956	$ 121,478