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Business Segment Reporting - Narrative (Details)	9 Months Ended
	Feb. 23, 2020 brand segment	Feb. 24, 2019
Revenue, Major Customer [Line Items]
Number of operating segments | segment	3
Number of natural food brands | brand	4
Sales Revenue, Net | Customer Concentration Risk | Top Five Customers
Revenue, Major Customer [Line Items]
Concentration risk percentage	44.00%	46.00%
Sales Revenue, Net | Customer Concentration Risk | Curation Foods | Costco
Revenue, Major Customer [Line Items]
Concentration risk percentage	15.00%	17.00%
Sales Revenue, Net | Customer Concentration Risk | Curation Foods | Wal-mart
Revenue, Major Customer [Line Items]
Concentration risk percentage	18.00%	16.00%

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Number Of Natural Food Brands

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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