Note C - Finance Receivables, Net - Finance Receivable Summarized by Fiscal Year of Origination (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Apr. 30, 2024	Oct. 31, 2022
Current year, principal balance	$ 261,944	$ 296,860
Year two, principal balance	710,136	758,830
Year three, principal balance	351,858	309,379
Year four, principal balance	122,381	69,511
Year five, principal balance	17,215	4,936
Prior, principal balance	1,725	1,191
Finance Receivable, Principal Balance	$ 1,465,259	$ 1,440,707	$ 1,435,388
Principal balance, percentage	100.00%	100.00%	100.00%	100.00%
Charge-offs, current year	$ 2,619	$ 3,239
Charge-offs, year two	70,413	75,308
Charge-offs, year three	36,752	28,036
Charge-offs, year four	10,578	5,577
Charge-offs, year five	1,048	441
Charge-offs, after year five	195	144
Charge-offs, total	121,605	112,745
Customer Score 1-2 [Member]
Current year, principal balance	18,758	14,450
Year two, principal balance	34,722	30,477
Year three, principal balance	10,548	9,911
Year four, principal balance	2,645	1,821
Year five, principal balance	245	227
Prior, principal balance	90	28
Finance Receivable, Principal Balance	$ 67,008	56,914
Principal balance, percentage	4.60%			4.00%
Customer Score 3-4 [Member]
Current year, principal balance	$ 94,738	105,595
Year two, principal balance	251,217	241,759
Year three, principal balance	94,939	84,065
Year four, principal balance	26,565	17,510
Year five, principal balance	2,899	1,044
Prior, principal balance	396	311
Finance Receivable, Principal Balance	$ 470,754	450,284
Principal balance, percentage	32.10%			31.20%
Customer Score 5-6 [Member]
Current year, principal balance	$ 148,448	176,815
Year two, principal balance	424,197	486,594
Year three, principal balance	246,371	215,403
Year four, principal balance	93,171	50,180
Year five, principal balance	14,071	3,665
Prior, principal balance	1,239	852
Finance Receivable, Principal Balance	$ 927,497	$ 933,509
Principal balance, percentage	63.30%			64.80%