Supplemental Consolidated Financial Information - Supplemental Consolidated Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gross pawn service charges receivable	$ 48,812	$ 50,881	$ 42,335
Allowance for uncollectible pawn service charges receivable	(10,544)	(11,996)	(9,219)
Pawn service charges receivable, net	38,268	38,885	33,116
Gross inventory	166,557	169,138	153,348
Inventory reserves	(3,128)	(2,661)	(3,051)
Inventory, net	163,429	166,477	150,297
Prepaid expenses and other	8,846	4,106	7,677
Accounts receivable, notes receivable and other	33,849	30,548	27,817
Income taxes prepaid and receivable	4,447	4,969	10,070
Prepaid expenses and other current assets	47,142	39,623	45,564
Property and equipment, gross	281,239	345,461	325,458
Accumulated depreciation	(217,933)	(277,365)	(265,683)
Property and equipment, net	63,306	68,096	59,775
Accounts payable	11,413	23,022	18,443
Accrued payroll	12,176	11,472	8,842
Incentive accrual	9,454	18,544	8,997
Other payroll related expenses	5,178	5,262	8,351
Accrued sales and VAT taxes	5,111	5,565	6,949
Accrued income taxes payable	3,014	2,628	3,662
Other current liabilities	16,492	15,112	17,451
Accounts payable, accrued expenses and other current liabilities	$ 62,838	$ 81,605	$ 72,695