Allowance for Losses and Credit Quality of Consumer Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Unsecured Short Term Consumer Loans [Member]
Allowance for credit losses and recorded investment in financing receivables
Allowance Balance at Beginning of Period	$ 2,928	$ 2,390	$ 1,727
Charge-offs	(46,968)	(47,178)	(26,564)
Recoveries	26,865	21,074	12,176
Provisions	31,817	26,651	15,034
Translation Adjustment	3	(9)	17
Allowance Balance at End of Period	14,645	2,928	2,390
Financing Receivable at End of Period	31,747	22,289	20,108
Secured Short Term Consumer Loans [Member]
Allowance for credit losses and recorded investment in financing receivables
Allowance Balance at Beginning of Period	1,804	942	538
Charge-offs	(64,916)	(43,768)	(11,295)
Recoveries	58,453	40,226	9,087
Provisions	5,708	4,404	2,612
Translation Adjustment	0	0	0
Allowance Balance at End of Period	1,049	1,804	942
Financing Receivable at End of Period	8,173	9,789	5,951
Unsecured Long Term Consumer Loans [Member]
Allowance for credit losses and recorded investment in financing receivables
Allowance Balance at Beginning of Period	19,849	8,574	0
Charge-offs	(307)	(289)	(223)
Recoveries	0	0	0
Provisions	19,608	11,982	8,706
Translation Adjustment	(1,063)	(418)	91
Allowance Balance at End of Period	38,087	19,849	8,574
Financing Receivable at End of Period	$ 162,860	$ 114,871	$ 78,980