Strategic Investments (Details 1) (USD $)	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013
Summary of Recorded value and fair value of strategic investments
Recorded value	$ 90,730,000		$ 97,085,000	$ 146,707,000
Albemarle & Bond Holdings [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	0	0	9,439,000	52,252,000
Fair value	0		9,439,000	33,920,000
Cash Converters International Limited [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	90,730,000		87,645,000	94,455,000
Fair value	$ 139,213,000		$ 165,663,000	$ 133,732,000