Strategic Investments - Additional Information (Details) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended			62 Months Ended
	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Payments to acquire equity method investment			$ 12,140,000	$ 0	$ 11,018,000
Income (loss) from equity method investments			(5,473,000)	5,948,000	13,240,000
Investment in unconsolidated affiliate		$ 56,182,000	$ 56,182,000	91,781,000
Cash Converters International Limited [Member] | Lawsuit for Charging Excessive Interest on Short-Term Loans [Member]
Schedule of Equity Method Investments [Line Items]
Amount paid toward settlement of class-action lawsuit	$ 17,700,000
Cash Converters International Limited [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares owned		151,948,000	151,948,000
Percentage of common shares owned		32.00%	32.00%
Payments to acquire equity method investment						$ 80,900,000
Income (loss) from equity method investments			$ (5,500,000)	7,100,000	11,000,000
Dividends received			4,800,000	5,100,000	5,100,000
Accumulated undistributed after-tax earnings included in consolidated retained earnings		$ 8,900,000	8,900,000
Impairment of investments		29,200,000
Impairment of investments, net of tax		18,800,000
Investment in unconsolidated affiliate		$ 56,182,000	$ 56,182,000	$ 91,781,000
Albemarle & Bond Holdings [Member]
Schedule of Equity Method Investments [Line Items]
Number of common shares owned				16,644,640
Percentage of common shares owned				30.00%
Income (loss) from equity method investments				$ (1,200,000)
Dividends received				0
Impairment of investments				7,900,000	42,500,000
Impairment of investments, net of tax				5,400,000	28,700,000
Investment in unconsolidated affiliate				$ 0	$ 9,439,000