Note C - Finance Receivables, Net - Changes in Finance Receivables (Details) - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2019	Jul. 31, 2018
Balance	$ 415,486	$ 383,617
Finance receivable originations	137,855	134,261
Finance receivable collections	(74,355)	(66,740)
Provision for credit losses	(31,475)	(37,543)
Losses on claims for payment protection plan	(4,230)	(4,069)
Inventory acquired in repossession and payment protection plan claims	(11,671)	(11,153)
Balance	$ 431,610	$ 398,373

Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant