Strategic Investments - Additional Disclosures (Details) - Cash Converters International Limited $ in Millions	3 Months Ended
Dec. 31, 2018 USD ($) shares
Schedule of Equity Method Investments [Line Items]
Number of common shares owned (shares) \| shares	214,183,714
Percentage of common shares owned	34.75%
Other than temporary impairment, before taxes	$ 13.3
Other than temporary impairment, net of taxes	$ 10.3

Equity method investment, number of common shares owned.

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- Definition

Impairment Of Investments, Net Of Tax

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 8A
-URI http://asc.fasb.org/extlink&oid=109979856&loc=SL6284422-111562

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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