Line of Credit Facility, Accordion Feature, Increase Limit

No definition available.

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

- Definition

Line of Credit Facility, Quarterly Payment, Percent of Principal

+ References

No definition available.

+ Details

Name:	lndc_LineOfCreditFacilityQuarterlyPaymentPercentOfPrincipal
Namespace Prefix:	lndc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of Credit Agreements

+ References

No definition available.

+ Details

Name:	lndc_NumberOfCreditAgreements
Namespace Prefix:	lndc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

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+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=117329964&loc=d3e12355-112629

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lndc_BMOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=lndc_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=lndc_GoldmanSachsMember
Namespace Prefix:
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Balance Type:
Period Type:

Subsequent Events (Details)		3 Months Ended
Subsequent Events (Details)	Dec. 31, 2020 USD ($) creditAgreements	Feb. 23, 2021 USD ($)	Nov. 29, 2020 USD ($)	May 31, 2020 USD ($)
Subsequent Event [Line Items]
Debt issuance costs			$ 811,000	$ 1,083,000
Long-term debt			$ 94,000,000	$ 114,000,000
Subsequent Event
Subsequent Event [Line Items]
Number of credit agreements after refinance \| creditAgreements	2
Subsequent Event \| Forecast [Member]
Subsequent Event [Line Items]
Loss on debt refinancing		$ 1,200,000
Subsequent Event \| Line of Credit
Subsequent Event [Line Items]
Debt issuance costs	$ 8,600,000
Subsequent Event \| Revolver \| BMO
Subsequent Event [Line Items]
Revolving line of credit	$ 75,000,000.0
Commitment fee percentage	0.375%
Line of credit facility, additional borrowing limit	$ 15,000,000.0
Line of credit facility, remaining borrowing capacity	$ 36,000,000.0
Subsequent Event \| Revolver \| BMO \| Line of Credit \| LIBOR \| Minimum
Subsequent Event [Line Items]
Basis spread on variable rate	2.00%
Subsequent Event \| Revolver \| BMO \| Line of Credit \| LIBOR \| Maximum
Subsequent Event [Line Items]
Basis spread on variable rate	2.50%
Subsequent Event \| Revolver \| BMO \| Line of Credit \| Base Rate \| Minimum
Subsequent Event [Line Items]
Basis spread on variable rate	1.00%
Subsequent Event \| Revolver \| BMO \| Line of Credit \| Base Rate \| Maximum
Subsequent Event [Line Items]
Basis spread on variable rate	1.50%
Subsequent Event \| Term loan \| Goldman
Subsequent Event [Line Items]
Debt instrument, face amount	$ 170,000,000.0
Long-term debt	$ 150,000,000.0
Subsequent Event \| Term loan \| Goldman \| LIBOR
Subsequent Event [Line Items]
Basis spread on variable rate	8.50%
Subsequent Event \| Term loan \| Goldman \| Base Rate
Subsequent Event [Line Items]
Basis spread on variable rate	7.50%
Subsequent Event \| Term loan \| Goldman \| Line of Credit
Subsequent Event [Line Items]
Line of credit, quarterly principal payments	5.00%