Supplemental Consolidated Financial Information - Schedule of Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross pawn service charges receivable	$ 57,544	$ 50,881
Allowance for uncollectible pawn service charges receivable	(13,531)	(11,996)
Pawn service charges receivable, net	44,013	38,885
Gross inventory	194,657	169,138
Inventory reserves	(2,734)	(2,661)
Inventory, net	191,923	166,477
Prepaid expenses and other	3,350	4,106
Income taxes prepaid and receivable	3,007	4,969
Prepaid expenses and other current assets	39,171	39,623
Accounts payable	20,850	23,022
Accrued payroll	13,541	11,472
Incentive accrual	19,883	18,544
Other payroll related expenses	3,999	5,262
Accrued sales and VAT taxes	3,954	5,565
Accrued income taxes payable	5,934	2,628
Other current liabilities	17,576	15,112
Account payable, accrued expenses and other current liabilities	85,737	81,605
Unrecognized tax benefits, non-current	2,835	2,226
Other non-current liabilities	9,502	8,276
Other long-term liabilities	12,337	10,502
Accounts receivable and other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable	16,482	12,797
Notes receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable	$ 16,332	$ 17,751