Customer Receivables (Components Of Customer Receivables ) (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Apr. 30, 2024
Accounts Receivable, after Allowance for Credit Loss [Abstract]
Gross customer receivables	$ 121,087	$ 126,680
Less:
Allowance for credit losses	(277)	(474)
Allowance for returns and discounts	(8,051)	(8,647)
Net customer receivables	$ 112,759	$ 117,559

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
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-Publisher FASB
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