Supplemental Consolidated Financial Information - Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 50,881	$ 44,192
Allowance for uncollectible pawn service charges receivable	(11,996)	(10,716)
Pawn service charges receivable, net	38,885	33,476
Gross inventory	169,138	153,673
Inventory reserves	(2,661)	(2,058)
Inventory, net	166,477	151,615
Prepaid expenses and other	4,106	8,336
Accounts receivable, notes receivable and other	30,548	8,435
Income taxes prepaid and receivable	4,969	17,923
Prepaid expenses and other current assets	39,623	34,694
Accounts payable	23,022	24,056
Accrued payroll	11,472	8,365
Incentive accrual	18,544	17,403
Other payroll related expenses	5,262	9,592
Accrued sales and VAT taxes	5,565	7,279
Accrued income taxes payable	2,628	2,663
Other current liabilities	15,112	15,151
Account payable, accrued expenses and other current liabilities	81,605	84,509
Unrecognized tax benefits, non-current	2,226	2,241
Other non-current liabilities	8,276	6,508
Other long-term liabilities	$ 10,502	$ 8,749