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Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2021 | Feb. 23, 2020 | Feb. 28, 2021 | Feb. 23, 2020
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 137,782 | $ 152,928 | $ 404,328 | $ 434,235
Curation Foods |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 110,557 | 127,482 | 332,080 | 373,906
Curation Foods | Fresh packaged salads and vegetables |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 94,739 | 110,884 | 283,341 | 325,628
Curation Foods | Avocado products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 15,378 | 14,517 | 47,107 | 44,738
Curation Foods | Technology |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 440 | 2,081 | 1,632 | 3,540
Lifecore |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 27,225 | 25,446 | 72,248 | 60,329
Lifecore | Contact development and manufacturing organization |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 18,628 | 14,004 | 53,374 | 43,118
Lifecore | Fermentation |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 8,597 | $ 11,442 | $ 18,874 | $ 17,211

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