Allowance for Losses and Credit Quality of Consumer Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014
Unsecured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	$ 14,645	$ 2,928
Charge-offs	(9,051)	(12,202)
Recoveries	3,291	4,195
Provision	4,996	7,915
Translation Adjustment	(513)	12
Allowance Balance at End of Period	13,368	2,848
Financing Receivable at End of Period	31,159	22,870
Secured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	1,049	1,804
Charge-offs	(14,437)	(16,686)
Recoveries	12,989	15,182
Provision	1,533	2,032
Translation Adjustment	0	0
Allowance Balance at End of Period	1,134	2,332
Financing Receivable at End of Period	7,866	11,386	8,173
Unsecured Long-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	7,177	972
Charge-offs	(29)	(841)
Recoveries	136	431
Provision	874	1,391
Translation Adjustment	(624)	3
Allowance Balance at End of Period	7,534	1,956
Financing Receivable at End of Period	$ 81,840	$ 116,437	$ 90,987