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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. 23, 2020 | Feb. 24, 2019 | Feb. 23, 2020 | Feb. 24, 2019
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 152,928 | $ 155,554 | $ 434,235 | $ 404,779
Curation Foods |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 127,482 | 131,852 | 373,906 | 353,014
Lifecore |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 25,446 | 23,702 | 60,329 | 51,765
Salads | Curation Foods |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 50,402 | 49,387 | 149,819 | 140,417
Core vegetables | Curation Foods |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 61,050 | 68,071 | 174,684 | 195,203
Emerging brands | Curation Foods |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 16,030 | 14,394 | 49,403 | 17,394
Aseptic | Lifecore |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 6,802 | 7,432 | 22,242 | 21,326
Fermentation | Lifecore |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 11,442 | 11,450 | 17,211 | 16,436
Development services | Lifecore |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | $ 7,202 | $ 4,820 | $ 20,876 | $ 14,003

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