Allowance for Losses and Credit Quality of Consumer Loans - Changes in the Allowance of Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Sep. 30, 2014
Unsecured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	$ 12,217	$ 8,585	$ 14,645	$ 2,928
Charge-offs	(7,159)	(8,343)	(23,239)	(37,146)
Recoveries	3,160	3,156	9,946	24,040
Provision (Benefit)	4,129	8,811	11,987	22,370
Translation Adjustment	593	138	(399)	155
Allowance Balance at End of Period	12,940	12,347	12,940	12,347
Financing Receivable at End of Period	29,214	32,393	29,214	32,393
Secured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	816	1,814	1,049	1,804
Charge-offs	(9,983)	(15,284)	(37,375)	(50,352)
Recoveries	9,135	13,148	33,872	44,903
Provision (Benefit)	752	1,227	3,174	4,550
Translation Adjustment	0	0	0	0
Allowance Balance at End of Period	720	905	720	905
Financing Receivable at End of Period	5,464	7,592	5,464	7,592	$ 8,173
Unsecured Long-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	44,721	26,965	38,087	19,849
Charge-offs	2,894	104	3,162	193
Recoveries	255	0	255	0
Provision (Benefit)	2,855	5,993	14,518	13,102
Translation Adjustment	(1,228)	165	(5,989)	261
Allowance Balance at End of Period	43,709	33,019	43,709	33,019
Financing Receivable at End of Period	$ 163,167	$ 155,703	$ 163,167	$ 155,703	$ 162,860