Strategic Investments and Fair Value of Financial Instruments (Details 2) (USD $) In Thousands	Jun. 30, 2011	Sep. 30, 2010	Jun. 30, 2010
Summary of Recorded value and fair value of strategic investments
Recorded value	$ 114,777	$ 101,386	$ 99,773
Albemarle and Bond Holdings [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	46,457	43,127	41,613
Fair value	99,180	75,520	57,108
Cash Converters International Limited [Member]
Summary of Recorded value and fair value of strategic investments
Recorded value	68,320	58,259	58,160
Fair value	$ 94,911	$ 70,005	$ 58,624

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 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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 2: 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

Name:	us-gaap_EquityMethodInvestmentQuotedMarketValue
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant