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Investment in Non-public Company (Details) - USD ($)					12 Months Ended
	Jun. 01, 2021	Oct. 29, 2014	Jul. 15, 2014	Feb. 15, 2011	May 30, 2021	May 31, 2020	May 26, 2019
Investment Holdings [Line Items]
Dividend income					$ 1,125,000	$ 1,125,000	$ 1,650,000
Windset
Investment Holdings [Line Items]
Investment ownership percentage			26.90%		26.90%
Dividend income					$ 1,100,000	1,100,000	$ 1,700,000
Change in market value of company's investment					11,800,000	$ (4,200,000)
Windset | Curation Foods
Investment Holdings [Line Items]
Payments to acquire investments			$ 11,000,000.0
Time frame to be paid after anniversary			90 days
Liquidation value					20,100,000
Windset | Curation Foods | Subsequent Event
Investment Holdings [Line Items]
Payments for repurchase of equity	$ 45,100,000
Windset | Curation Foods | Senior A Preferred Stock
Investment Holdings [Line Items]
Liquidation value					15,000,000.0
Windset | Curation Foods | Junior Preferred Shares
Investment Holdings [Line Items]
Preferred stock investment, dividends declared					0
Liquidation value					$ 5,100,000
Windset | Curation Foods | Senior A Preferred Stock
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)				150,000
Payments to acquire investments				$ 15,000,000.0
Windset | Curation Foods | Common Stock
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)			68	201
Payments to acquire investments				$ 201
Windset | Curation Foods | Junior Preferred Shares
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)			51,211
Windset | Curation Foods | Senior B Preferred Stock
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)		70,000					70,000
Payments to acquire investments		$ 7,000,000.0
Dividend percentage rate		7.50%
Put option for preferred shares							$ 7,000,000.0
Senior A Preferred Stock
Investment Holdings [Line Items]
Dividend percentage rate			7.50%
Other Income | Windset
Investment Holdings [Line Items]
Change in market value of company's investment							$ (1,600,000)

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