Accounts Payable and Other Accrued Expenses - Components of Accounts Payable and Other Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Accounts payable and other accrued expenses
Trade accounts payable	$ 40,439	$ 30,288
Accrued payroll	10,955	14,260
Bonus accrual	6,823	6,300
Other payroll related expenses	3,569	4,137
Accrued interest	3,654	3,337
Accrued rent and property taxes	11,491	14,064
Accrual for expected losses on credit service letters of credit	880	4,708
Collected funds payable to unaffiliated lenders under credit service programs	40	1,026
Deferred revenues	3,888	7,038
Other accrued expenses	14,648	9,835
Restructuring reserve	11,484	0
Total	$ 107,871	$ 94,993