Supplemental Consolidated Financial Information - Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 37,360	$ 27,259
Allowance for uncollectible pawn service charges receivable	(8,023)	(6,679)
Pawn service charges receivable, net	29,337	20,580
Gross inventory	115,300	108,205
Inventory reserves	(4,311)	(12,314)
Inventory, net	110,989	95,891
Prepaid expenses and other	5,386	10,614
Accounts receivable and other	9,322	6,991
Income taxes prepaid and receivable	16,302	15,298
Prepaid expenses and other current assets	31,010	32,903
Accounts payable	22,462	19,114
Accrued payroll	9,093	12,993
Incentive accrual	16,868	4,895
Other payroll related expenses	10,695	9,071
Accrued sales and VAT taxes	10,936	9,291
Other current liabilities	20,214	16,140
Account payable, accrued expenses and other current liabilities	90,268	71,504
Unrecognized tax benefits, non-current	2,571	4,214
Other long-term liabilities	7,814	6,635
Other long-term liabilities	$ 10,385	$ 10,849