Supplemental Consolidated Financial Information (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018
Pawn service charges receivable, net:
Gross pawn service charges receivable	$ 39,443	$ 40,719	$ 36,079
Allowance for uncollectible pawn service charges receivable	(9,596)	(9,760)	(9,640)
Pawn service charges receivable, net	29,847	30,959	26,439
Inventory, net:
Gross inventory	184,886	176,198	160,159
Inventory reserves	(9,084)	(9,201)	(9,014)
Inventory, net	175,802	166,997	151,145
Prepaid expenses and other	13,189	9,705	10,836
Accounts receivable and other	20,335	18,901	25,129
Income taxes receivable	3,841	2,031	0
Restricted cash	0	267	252
2019 Convertible Notes Hedges	0	2,552	7,491
Prepaid expenses and other current assets	37,365	33,456	43,708
Property and equipment, net:
Property and equipment, gross	260,216	253,022	248,880
Accumulated depreciation	(194,002)	(179,373)	(177,293)
Total	66,214	73,649	71,587
Accounts payable	18,329	10,500	12,381
Accrued expenses and other	41,652	47,458	49,214
Accounts payable, accrued expenses and other current liabilities	59,981	$ 57,958	$ 61,595
Potential exposure from refiner	$ 3,600