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Investment in Non-public Company (Details) - USD ($) |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 01, 2021 | Jul. 15, 2014 | Feb. 15, 2011 | Feb. 28, 2021 | Feb. 27, 2022 | Feb. 28, 2021
Schedule of Investments [Line Items] |  |  |  |  |  |
Sale of investment in non-public company |  |  |  |  | $ 45,100,000 | $ 0
Senior A Preferred Stock |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Dividend percentage rate |  | 7.50% |  |  |  |
Windset |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Investment ownership percentage |  | 26.90% |  |  |  |
Dividend income |  |  |  | $ 300,000 |  | 800,000
Sale of investment in non-public company | $ 45,100,000 |  |  |  |  |
Windset | Other Nonoperating Income (Expense) |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Change in market value of company's investment |  |  |  | $ 0 |  | $ 11,800,000
Curation Foods | Windset |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Payments to acquire investments |  | $ 11,000,000 |  |  |  |
Time frame to be paid after anniversary |  | 90 days |  |  |  |
Curation Foods | Windset | Junior Preferred Shares |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Preferred stock investment, dividends declared |  |  |  |  | $ 0 |
Curation Foods | Windset | Senior A Preferred Stock |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Investment in non-public company shares (in shares) |  |  | 150,000 |  |  |
Payments to acquire investments |  |  | $ 15,000,000 |  |  |
Curation Foods | Windset | Common Stock |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Investment in non-public company shares (in shares) |  | 68 | 201 |  |  |
Payments to acquire investments |  |  | $ 201,000 |  |  |
Curation Foods | Windset | Junior Preferred Shares |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Investment in non-public company shares (in shares) |  | 51,211 |  |  |  |
Curation Foods | Newell Capital |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |
Sale of investment in non-public company | $ 45,100,000 |  |  |  |  |

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