Change during the period in the market value of an investment in the company.

No definition available.

Name:	lndc_ChangeInMarketValueOfInvestmentInCompany
Namespace Prefix:	lndc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The timeframe in which the dividends are to be paid after each anniversary of the execution of the Windset Purchase Agreement.

+ References

No definition available.

+ Details

Name:	lndc_DividendsOnInvestmentTimeframeToBePaidAfterAnniversary
Namespace Prefix:	lndc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of shares in an Investment in a non-public company.

+ References

No definition available.

+ Details

Name:	lndc_InvestmentInNonPublicCompanyShares
Namespace Prefix:	lndc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership in an investment.

+ References

No definition available.

+ Details

Name:	lndc_InvestmentOwnershipPercentage
Namespace Prefix:	lndc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The dividends declared on the preferred stock held as an investment.

+ References

No definition available.

+ Details

Name:	lndc_InvestmentPreferredStockDividendsDeclared
Namespace Prefix:	lndc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

+ References

No definition available.

+ Details

Name:	lndc_InvestmentPreferredStockLiquidationPreferenceValue
Namespace Prefix:	lndc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Value of shares under a put option that can be sold back to the investee company.

+ References

No definition available.

+ Details

Name:	lndc_InvestmentsValueOfSharesWithPutOption
Namespace Prefix:	lndc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_InvestmentHoldingsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of dividend income on nonoperating securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(a))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

+ Details

Name:	us-gaap_InvestmentIncomeDividend
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_CounterpartyNameAxis=lndc_WindsetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=lndc_CurationFoodsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=lndc_SeniorAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=lndc_JuniorPreferredSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=lndc_SeniorBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=lndc_SeniorAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=lndc_JuniorPreferredSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=lndc_SeniorAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OtherIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Investment in Non-public Company - Narrative (Details) - USD ($)					1 Months Ended	12 Months Ended
	Oct. 29, 2014	Jul. 15, 2014	Jul. 15, 2014	Feb. 15, 2011	Oct. 29, 2014	May 26, 2019	May 27, 2018	May 28, 2017	Feb. 25, 2018
Investment Holdings [Line Items]
Dividend income						$ 1,650,000	$ 1,650,000	$ 1,650,000
Windset
Investment Holdings [Line Items]
Investment ownership percentage		26.90%	26.90%			26.90%
Dividend income						$ 1,700,000
Change in market value of company's investment						(5,400,000)
Windset \| Curation Foods
Investment Holdings [Line Items]
Payments to acquire investments			$ 11,000,000
Liquidation value						20,100,000
Time frame to be paid after anniversary		90 days
Windset \| Curation Foods \| Senior A Preferred Stock
Investment Holdings [Line Items]
Liquidation value						15,000,000
Windset \| Curation Foods \| Junior Preferred Shares
Investment Holdings [Line Items]
Liquidation value						$ 5,100,000
Preferred stock investment, dividends declared									$ 0
Windset \| Curation Foods \| Senior B Preferred Stock
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)	70,000				70,000	70,000
Payments to acquire investments	$ 7,000,000				$ 7,000,000
Dividend percentage rate					7.50%
Put option for preferred shares						$ 7,000,000
Change in market value of company's investment						(7,000,000)
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
Windset \| Curation Foods \| Common Stock
Investment Holdings [Line Items]
Investment in non-public company shares (in shares)		68	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	51,211
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	$ 2,900,000	$ 900,000