Allowance for Losses and Credit Quality of Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Mar. 31, 2014	Mar. 31, 2013		Sep. 30, 2013
Unsecured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	$ 2,848		$ 2,553		$ 2,928	$ 2,390
Charge-offs	(16,601)		(10,875)		(28,803)	(22,924)
Recoveries	16,689		5,480		20,884	10,281
Provision	5,644		5,076		13,559	12,487
Translation Adjustment	5		0		17	0
Allowance Balance at End of Period	8,585		2,234		8,585	2,234
Financing Receivable at End of Period	26,815		20,022		26,815	20,022
Secured Short-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	2,332		1,473		1,804	942
Charge-offs	(18,382)		(10,597)		(32,571)	(19,271)
Recoveries	16,573		9,840		31,755	17,800
Provision	1,291	[1]	642		826	1,887
Translation Adjustment	0		0		0	0
Allowance Balance at End of Period	1,814		1,358		1,814	1,358
Financing Receivable at End of Period	7,959		6,163		7,959	6,163		9,789
Unsecured Long-term consumer loans [Member]
Allowance for losses on consumer loans
Allowance Balance at Beginning of Period	1,956		624		972	623
Charge-offs	(85)		(791)		(926)	(952)
Recoveries	1,142		1,136		1,573	2,357
Provision	(455)	[1]	(663)	[1]	936	(1,716)	[1]
Translation Adjustment	3		24		6	18
Allowance Balance at End of Period	2,561		330		2,561	330
Financing Receivable at End of Period	$ 115,411		$ 91,747		$ 115,411	$ 91,747		$ 108,603

[1] Benefit in consumer loan provision is due to the sale of past due loans and recoveries of loans previously written-off.