Strategic Investments (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2012
Summary of Recorded value and fair value of strategic investments
Recorded value	$ 147,232	$ 126,066	$ 120,056
Albemarle & Bond Holdings [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	53,053	51,812	49,175
Fair value	54,103	65,109	92,868
Cash Converters International Limited [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	94,179	74,254	70,881
Fair value	$ 208,110	$ 100,705	$ 85,277

This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant