Fair Value Measurements Fair Value Measurements (Details Textuals) (USD $)	3 Months Ended	12 Months Ended				0 Months Ended	12 Months Ended													12 Months Ended			12 Months Ended
	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Go Cash, Fondo ACH, and Loan Portfolio [Member]	Sep. 30, 2014 Go Cash, LLC [Member]	Sep. 30, 2014 Go Cash, LLC [Member]	Sep. 30, 2014 Grupo Finmart [Member]	Sep. 30, 2013 Grupo Finmart [Member]	Sep. 30, 2014 Pawn Loan [Member]	Sep. 30, 2014 U.S. Pawn Loan [Member] Minimum [Member]	Sep. 30, 2014 U.S. Pawn Loan [Member] Maximum [Member]	Sep. 30, 2014 Mexican Pawn Loan [Member]	Sep. 30, 2014 All Entities Excluding Grupo Finart [Member] Consumer Loan [Member]	Sep. 30, 2014 Grupo Finmart [Member] Consumer Loan [Member]	Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]	Sep. 30, 2014 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]	Sep. 30, 2014 Income Approach Valuation Technique [Member] Redeemable Noncontrolling Interest [Member] Fair Value, Inputs, Level 3 [Member] Minimum [Member]	Sep. 30, 2014 Income Approach Valuation Technique [Member] Redeemable Noncontrolling Interest [Member] Fair Value, Inputs, Level 3 [Member] Maximum [Member]	Sep. 30, 2014 Convertible Senior Notes [Member]	Sep. 30, 2014 Convertible Debt [Member] Income Approach Valuation Technique [Member] Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Impairment loss on investments	$ 2,100,000		$ 2,100,000
Cash payment of contingent consideration									12,800,000
Change in contingent consideration related to acquisitions, increase (decrease)		(4,792,000)	0	0	7,100,000	(4,800,000)	(4,800,000)
Deferred consideration						12,000,000	12,000,000
Earn out payment related to Grupo Finmart acquisition								12,000,000
Change in contingent consideration, individually immaterial adjustments, increase (decrease)		600,000	500,000
Contingent consideration																0	0	2,025,000	18,197,000
Loan term											60 days	120 days	40 days	12 months	31 months
Fair value assumptions, period of estimation										2 months
Fair value assumptions, discount rate																				5.00%	10.00%		7.00%
Redemption value																						$ 230,000,000