Segment Information - Operating Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Total revenues	$ 1,049,041	$ 886,225	$ 729,551
Gross profit	609,838	528,147	449,485
Segment and corporate expenses (income):
Store expenses	418,574	357,417	330,837
General and administrative	67,529	64,342	56,495
Impairment of other assets	4,343	0	0
Depreciation and amortization	32,131	32,140	30,672
Loss (gain) on sale or disposal of assets and other	208	(674)	83
Other income	(5,097)
Other charges			229
Interest expense	16,456	9,972	22,177
Interest income	(7,470)	(817)	(2,477)
Equity in net loss (income) of unconsolidated affiliates	28,459	(1,779)	(3,803)
Other (income) expense	3,072	(167)	(790)
Income before income taxes	51,633	67,713	16,062
Operating Segments
Revenues:
Total revenues	1,049,041	886,225	729,551
Gross profit	609,838	528,147	449,485
Segment and corporate expenses (income):
Store expenses	418,574	357,417	330,837
General and administrative	(3)	0	0
Impairment of other assets	0
Depreciation and amortization	19,573	18,465	18,021
Loss (gain) on sale or disposal of assets and other	(174)	14	21
Other income	(5,097)
Other charges			229
Interest expense	0	0	0
Interest income	(2,641)	(817)	(2,016)
Equity in net loss (income) of unconsolidated affiliates	28,459	(1,779)	(3,803)
Other (income) expense	(100)	(96)	(1,013)
Income before income taxes	151,247	154,943	107,209
Operating Segments | U.S. Pawn
Revenues:
Total revenues	761,921	658,762	553,581
Gross profit	456,338	405,766	349,541
Segment and corporate expenses (income):
Store expenses	299,319	266,114	253,344
General and administrative	0	0	0
Impairment of other assets	0
Depreciation and amortization	10,382	10,552	10,650
Loss (gain) on sale or disposal of assets and other	115	51	27
Other income	0
Other charges			0
Interest expense	0	0	0
Interest income	(2)	(2)	0
Equity in net loss (income) of unconsolidated affiliates	0	0	0
Other (income) expense	0	0	0
Income before income taxes	146,524	129,051	85,520
Operating Segments | Latin America Pawn
Revenues:
Total revenues	287,065	227,352	175,550
Gross profit	153,445	122,270	99,524
Segment and corporate expenses (income):
Store expenses	119,255	91,303	77,493
General and administrative	(3)	0	0
Impairment of other assets	0
Depreciation and amortization	9,191	7,913	7,371
Loss (gain) on sale or disposal of assets and other	(289)	(37)	(6)
Other income	(5,097)
Other charges			229
Interest expense	0	0	0
Interest income	(1,139)	(815)	(2,016)
Equity in net loss (income) of unconsolidated affiliates	0	0	0
Other (income) expense	(131)	(148)	(840)
Income before income taxes	31,658	24,054	17,293
Operating Segments | Other Investments
Revenues:
Total revenues	55	111	420
Gross profit	55	111	420
Segment and corporate expenses (income):
Store expenses	0	0	0
General and administrative	0	0	0
Impairment of other assets	0
Depreciation and amortization	0	0	0
Loss (gain) on sale or disposal of assets and other	0	0	0
Other income	0
Other charges			0
Interest expense	0	0	0
Interest income	(1,500)	0	0
Equity in net loss (income) of unconsolidated affiliates	28,459	(1,779)	(3,803)
Other (income) expense	31	52	(173)
Income before income taxes	(26,935)	1,838	4,396
Corporate Items
Revenues:
Total revenues	0	0	0
Gross profit	0	0	0
Segment and corporate expenses (income):
Store expenses	0	0	0
General and administrative	67,532	64,342	56,495
Impairment of other assets	4,343
Depreciation and amortization	12,558	13,675	12,651
Loss (gain) on sale or disposal of assets and other	382	(688)	62
Other income	0
Other charges			0
Interest expense	16,456	9,972	22,177
Interest income	(4,829)	0	(461)
Equity in net loss (income) of unconsolidated affiliates	0	0	0
Other (income) expense	3,172	(71)	223
Income before income taxes	(99,614)	(87,230)	(91,147)
Merchandise sales
Revenues:
Total revenues	615,446	532,886	442,798
Cost of goods sold	394,779	329,382	257,218
Merchandise sales | Operating Segments
Revenues:
Total revenues	615,446	532,886	442,798
Cost of goods sold	394,779	329,382	257,218
Merchandise sales | Operating Segments | U.S. Pawn
Revenues:
Total revenues	432,578	391,958	341,495
Cost of goods sold	267,874	230,241	191,039
Merchandise sales | Operating Segments | Latin America Pawn
Revenues:
Total revenues	182,868	140,928	101,303
Cost of goods sold	126,905	99,141	66,179
Merchandise sales | Operating Segments | Other Investments
Revenues:
Total revenues	0	0	0
Cost of goods sold	0	0	0
Merchandise sales | Corporate Items
Revenues:
Total revenues	0	0	0
Cost of goods sold	0	0	0
Jewelry scrapping sales
Revenues:
Total revenues	49,528	32,033	26,025
Cost of goods sold	44,424	28,696	22,848
Jewelry scrapping sales | Operating Segments
Revenues:
Total revenues	49,528	32,033	26,025
Cost of goods sold	44,424	28,696	22,848
Jewelry scrapping sales | Operating Segments | U.S. Pawn
Revenues:
Total revenues	43,305	25,739	15,260
Cost of goods sold	37,709	22,755	13,001
Jewelry scrapping sales | Operating Segments | Latin America Pawn
Revenues:
Total revenues	6,223	6,294	10,765
Cost of goods sold	6,715	5,941	9,847
Jewelry scrapping sales | Operating Segments | Other Investments
Revenues:
Total revenues	0	0	0
Cost of goods sold	0	0	0
Jewelry scrapping sales | Corporate Items
Revenues:
Total revenues	0	0	0
Cost of goods sold	0	0	0
Pawn service charges
Revenues:
Total revenues	383,772	320,865	260,196
Pawn service charges | Operating Segments
Revenues:
Total revenues	383,772	320,865	260,196
Pawn service charges | Operating Segments | U.S. Pawn
Revenues:
Total revenues	285,919	240,982	196,721
Pawn service charges | Operating Segments | Latin America Pawn
Revenues:
Total revenues	97,853	79,883	63,475
Pawn service charges | Operating Segments | Other Investments
Revenues:
Total revenues	0	0	0
Pawn service charges | Corporate Items
Revenues:
Total revenues	0	0	0
Other revenues
Revenues:
Total revenues	295	441	532
Other revenues | Operating Segments
Revenues:
Total revenues	295	441	532
Other revenues | Operating Segments | U.S. Pawn
Revenues:
Total revenues	119	83	105
Other revenues | Operating Segments | Latin America Pawn
Revenues:
Total revenues	121	247	7
Other revenues | Operating Segments | Other Investments
Revenues:
Total revenues	55	111	420
Other revenues | Corporate Items
Revenues:
Total revenues	$ 0	$ 0	$ 0