Note 1 - Significant Accounting Policies (Details Textual) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023	Apr. 29, 2023
Inventory, Finished Goods, Gross	$ 53.1		$ 53.1		$ 54.3
Inventory, Raw Materials, Gross	35.6		35.6		$ 39.2
Marketing Expense	11.0	$ 10.4	35.1	$ 31.0
Shipping and Handling Costs	$ 17.7	$ 20.2	$ 58.3	$ 65.8

Cost incurred during the reporting period in transporting goods and services to customers.

No definition available.

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Namespace Prefix:	fizz_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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- Definition

Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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Period Type:	duration