Goodwill and Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
May 26, 2019	May 27, 2018
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	$ 8,453	$ 6,958
Gross Carrying Amount	53,700	28,800
Trademarks and tradenames
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	872	872
Gross Carrying Amount, trademarks and tradenames	30,800	16,900
Customer relationships
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, Customer relationships	22,900	11,900
Accumulated Amortization	7,581	6,086
Eat Smart \| Trademarks and tradenames
Indefinite-lived Intangible Assets [Line Items]
Accumulated Amortization	872	872
Gross Carrying Amount, trademarks and tradenames	$ 9,100	11,100
Eat Smart \| Customer relationships
Indefinite-lived Intangible Assets [Line Items]
Amortization Period (years)	13 years
Gross Carrying Amount, Customer relationships	$ 7,500	7,500
Accumulated Amortization	4,087	3,510
O Olive & Vinegar \| Trademarks and tradenames
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, trademarks and tradenames	$ 1,600	1,600
O Olive & Vinegar \| Customer relationships
Indefinite-lived Intangible Assets [Line Items]
Amortization Period (years)	11 years
Gross Carrying Amount, Customer relationships	$ 700	700
Accumulated Amortization	143	83
Yucatan Foods, LP \| Trademarks and tradenames
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, trademarks and tradenames	$ 15,900	0
Yucatan Foods, LP \| Customer relationships
Indefinite-lived Intangible Assets [Line Items]
Amortization Period (years)	12 years
Gross Carrying Amount, Customer relationships	$ 11,000	0
Accumulated Amortization	550	0
Lifecore \| Trademarks and tradenames
Indefinite-lived Intangible Assets [Line Items]
Gross Carrying Amount, trademarks and tradenames	$ 4,200	4,200
Lifecore \| Customer relationships
Indefinite-lived Intangible Assets [Line Items]
Amortization Period (years)	12 years
Gross Carrying Amount, Customer relationships	$ 3,700	3,700
Accumulated Amortization	$ 2,801	$ 2,493

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date to an asset acquired in a business combination representing a favorable existing relationship with customers having a finite beneficial life.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 350
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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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+ References

No definition available.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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