Segment Information - Schedule of Operating Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Revenues:
Total revenues	$ 1,274,280	$ 1,161,602	$ 1,049,041
Gross profit	746,065	682,273	609,838
Segment and corporate expenses (income):
Store expenses	481,108	461,055	418,574
General and administrative	83,500	75,557	67,529
Impairment of other assets	877	843	4,343
Impairment of goodwill and intangibles assets	877	843	4,343
Depreciation and amortization	32,538	33,069	32,131
Loss (gain) on sale or disposal of assets and other	135	(16)	208
Other operating income	(1,262)	(765)	(5,097)
Interest expense	23,029	13,585	16,456
Interest income	(14,721)	(10,575)	(7,470)
Equity in net (income) loss of unconsolidated affiliates	(6,150)	(4,711)	28,459
Other income	238	(1,377)	3,072
Income before income taxes	146,773	115,608	51,633
Operating Segments
Revenues:
Total revenues	1,274,280	1,161,602	1,049,041
Gross profit	746,065	682,273	609,838
Segment and corporate expenses (income):
Store expenses	481,108	461,055	418,574
General and administrative	0	0	(3)
Impairment of other assets	263	0
Impairment of goodwill and intangibles assets			0
Depreciation and amortization	19,362	19,012	19,573
Loss (gain) on sale or disposal of assets and other	135	(137)	(174)
Other operating income	0	0	(5,097)
Interest expense	0	0	0
Interest income	(3,897)	(4,034)	(2,641)
Equity in net (income) loss of unconsolidated affiliates	(6,936)	(4,993)	28,459
Other income	(330)	(211)	(100)
Income before income taxes	256,360	211,581	151,247
Operating Segments | U.S. Pawn
Revenues:
Total revenues	912,492	836,083	761,921
Gross profit	550,639	501,263	456,338
Segment and corporate expenses (income):
Store expenses	339,378	325,816	299,319
General and administrative	0	0	0
Impairment of other assets	263	0
Impairment of goodwill and intangibles assets			0
Depreciation and amortization	10,750	10,147	10,382
Loss (gain) on sale or disposal of assets and other	83	3	115
Other operating income	0	0	0
Interest expense	0	0	0
Interest income	0	0	(2)
Equity in net (income) loss of unconsolidated affiliates	0	0	0
Other income	0	7	0
Income before income taxes	200,165	165,290	146,524
Operating Segments | Latin America Pawn
Revenues:
Total revenues	361,788	325,484	287,065
Gross profit	195,426	180,975	153,445
Segment and corporate expenses (income):
Store expenses	141,730	135,239	119,255
General and administrative	0	0	(3)
Impairment of other assets	0	0
Impairment of goodwill and intangibles assets			0
Depreciation and amortization	8,612	8,865	9,191
Loss (gain) on sale or disposal of assets and other	52	(140)	(289)
Other operating income	0	0	(5,097)
Interest expense	0	0	0
Interest income	(1,251)	(1,612)	(1,139)
Equity in net (income) loss of unconsolidated affiliates	0	0	0
Other income	(330)	(218)	(131)
Income before income taxes	46,613	38,841	31,658
Operating Segments | Other Investments
Revenues:
Total revenues	0	35	55
Gross profit	0	35	55
Segment and corporate expenses (income):
Store expenses	0	0	0
General and administrative	0	0	0
Impairment of other assets	0	0
Impairment of goodwill and intangibles assets			0
Depreciation and amortization	0	0	0
Loss (gain) on sale or disposal of assets and other	0	0	0
Other operating income	0	0	0
Interest expense	0	0	0
Interest income	(2,646)	(2,422)	(1,500)
Equity in net (income) loss of unconsolidated affiliates	(6,936)	(4,993)	28,459
Other income	0	0	31
Income before income taxes	9,582	7,450	(26,935)
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	83,500	75,557	67,532
Impairment of other assets	614	843
Impairment of goodwill and intangibles assets			4,343
Depreciation and amortization	13,176	14,057	12,558
Loss (gain) on sale or disposal of assets and other	0	121	382
Other operating income	(1,262)	(765)	0
Interest expense	23,029	13,585	16,456
Interest income	(10,824)	(6,541)	(4,829)
Equity in net (income) loss of unconsolidated affiliates	786	282	0
Other income	568	(1,166)	3,172
Income before income taxes	(109,587)	(95,973)	(99,614)
Merchandise sales
Revenues:
Total revenues	700,999	663,736	615,446
Other cost of revenues	455,677	427,403	394,779
Merchandise sales | Operating Segments
Revenues:
Total revenues	700,999	663,736	615,446
Other cost of revenues	455,677	427,403	394,779
Merchandise sales | Operating Segments | U.S. Pawn
Revenues:
Total revenues	475,252	459,251	432,578
Other cost of revenues	299,107	288,894	267,874
Merchandise sales | Operating Segments | Latin America Pawn
Revenues:
Total revenues	225,747	204,485	182,868
Other cost of revenues	156,570	138,509	126,905
Merchandise sales | Operating Segments | Other Investments
Revenues:
Total revenues	0	0	0
Other cost of revenues	0	0	0
Merchandise sales | Corporate Items
Revenues:
Total revenues	0	0	0
Other cost of revenues	0	0	0
Jewelry scrap sales
Revenues:
Total revenues	98,884	61,082	49,528
Other cost of revenues	72,538	51,926	44,424
Jewelry scrap sales | Operating Segments
Revenues:
Total revenues	98,884	61,082	49,528
Other cost of revenues	72,538	51,926	44,424
Jewelry scrap sales | Operating Segments | U.S. Pawn
Revenues:
Total revenues	85,658	54,344	43,305
Other cost of revenues	62,746	45,926	37,709
Jewelry scrap sales | Operating Segments | Latin America Pawn
Revenues:
Total revenues	13,226	6,738	6,223
Other cost of revenues	9,792	6,000	6,715
Jewelry scrap sales | Operating Segments | Other Investments
Revenues:
Total revenues	0	0	0
Other cost of revenues	0	0	0
Jewelry scrap sales | Corporate Items
Revenues:
Total revenues	0	0	0
Other cost of revenues	0	0	0
Pawn service charges
Revenues:
Total revenues	474,228	436,545	383,772
Pawn service charges | Operating Segments
Revenues:
Total revenues	474,228	436,545	383,772
Pawn service charges | Operating Segments | U.S. Pawn
Revenues:
Total revenues	351,479	322,362	285,919
Pawn service charges | Operating Segments | Latin America Pawn
Revenues:
Total revenues	122,749	114,183	97,853
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	169	239	295
Other revenues | Operating Segments
Revenues:
Total revenues	169	239	295
Other revenues | Operating Segments | U.S. Pawn
Revenues:
Total revenues	103	126	119
Other revenues | Operating Segments | Latin America Pawn
Revenues:
Total revenues	66	78	121
Other revenues | Operating Segments | Other Investments
Revenues:
Total revenues	0	35	55
Other revenues | Corporate Items
Revenues:
Total revenues	$ 0	$ 0	$ 0