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		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Sep. 30, 2015
Unsecured short-term consumer loans
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	$ 8,459	$ 12,217	$ 11,498	$ 14,645	$ 14,645
Charge-offs	(928)	(7,159)	(5,157)	(23,239)
Recoveries	653	3,160	2,862	9,946
Provision (Benefit)	249	4,129	(251)	11,987
Translation Adjustment	(639)	593	(1,158)	(399)
Allowance Balance at End of Period	7,794	12,940	7,794	12,940	11,498
Financing Receivable at End of Period	9,946	29,214	9,946	29,214
Secured short-term consumer loans
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	0	816	2,004	1,049	1,049
Charge-offs	0	(9,983)	(2,229)	(37,375)
Recoveries	0	9,135	436	33,872
Provision (Benefit)	0	752	(211)	3,174
Translation Adjustment	0	0	0	0
Allowance Balance at End of Period	0	720	0	720	2,004
Financing Receivable at End of Period	0	5,464	0	5,464
Unsecured long-term consumer loans
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	69,599	44,721	50,645	38,087	38,087
Charge-offs	(1,021)	(2,894)	(2,234)	(3,162)
Recoveries	0	255	0	255
Provision (Benefit)	5,951	2,855	26,185	14,518
Translation Adjustment	(4,780)	(1,228)	(4,847)	(5,989)
Allowance Balance at End of Period	69,749	43,709	69,749	43,709	50,645
Financing Receivable at End of Period	$ 141,158	$ 163,167	$ 141,158	$ 163,167	$ 158,293
Grupo Finmart
Financing Receivable, Allowance for Credit Losses [Line Items]
Reserve on past due loans					100.00%
Grupo Finmart | Unsecured long-term consumer loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Maximum collection period					4 years
Grupo Finmart | Unsecured Long Term Consumer Loans - In Payroll
Financing Receivable, Allowance for Credit Losses [Line Items]
Threshold period past due for write-off of financing receivable					180 days