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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	May 30, 2021	May 31, 2020	May 26, 2019
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment loss	$ 0	$ 7,860
Goodwill	69,386	69,386	$ 76,742
Amortization expense related to finite-lived intangible assets	2,000	2,000	$ 1,500
O Olive & Vinegar
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment loss		5,200
Yucatan Foods, LP
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment loss		2,700
Customer relationships \| O Olive & Vinegar
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets		500
Trademarks/tradenames
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	872	872
Trademarks/tradenames \| O Olive & Vinegar
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	1,100
Trademarks/tradenames \| Yucatan Foods, LP
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets	3,500
O Olive & Vinegar
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment loss		5,200
Yucatan Foods, LP
Indefinite-lived Intangible Assets [Line Items]
Goodwill impairment loss		$ 2,700
Goodwill	20,000
Eat Smart
Indefinite-lived Intangible Assets [Line Items]
Goodwill	35,500
Lifecore
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 13,900