Allowance for Losses and Credit Quality of Consumer Loans - Additional Disclosures (Details) $ in Thousands				12 Months Ended
	Nov. 28, 2014 USD ($)	Apr. 30, 2014 USD ($)	Nov. 29, 2013 USD ($) loan	Sep. 30, 2015 USD ($)	Nov. 28, 2014 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payment to acquire loan portfolio				$ 842,074		$ 959,540	$ 923,103
Unsecured Short-Term Consumer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due period on consumer loans				60 days
Grupo Finmart [Member] | Unsecured Long-Term Consumer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of payroll withholding loans in portfolio purchased | loan			10,500
Total purchase price of loan portfolio			$ 15,900
Payment to acquire loan portfolio	$ 600	$ 600	10,500		$ 11,700
Deferred consideration			4,200
Payment of deferred consideration		$ 2,100
Fair value of loan portfolio			$ 11,800