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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2023
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 474 | $ 449 | $ 226
Additions (Reductions) Charged to Cost and Expenses | 103 | 485 | 420
Other | 0 | 0 | 0
Deductions | (343) | (460) | (197)
Balance at End of Year | 234 | 474 | 449
Reserve for Cash Discounts [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 1,487 | 1,753 | 1,973
Additions (Reductions) Charged to Cost and Expenses | 16,700 | 18,397 | 21,540
Other | 0 | 0 | 0
Deductions | (16,682) | (18,663) | (21,760)
Balance at End of Year | 1,505 | 1,487 | 1,753
Reserve for Sales Returns and Allowances [Member] |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 7,160 | 9,290 | 9,539
Additions (Reductions) Charged to Cost and Expenses | 21,413 | 25,040 | 26,043
Other | 0 | 0 | 0
Deductions | (23,198) | (27,170) | (26,292)
Balance at End of Year | $ 5,375 | $ 7,160 | $ 9,290

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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