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Note 13 - Employee Savings and Investment Plans (Details) (USD $)	12 Months Ended
	May 26, 2013	May 27, 2012	May 29, 2011
Note 13 - Employee Savings and Investment Plans (Details) [Line Items]
Defined Contribution Plan Percent of Employee Contributions Matched By Employer	67.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage	25.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars)	$ 939,000	$ 789,000	$ 720,000
Maximum Contribution for Employer Match [Member]
Note 13 - Employee Savings and Investment Plans (Details) [Line Items]
Defined Contribution Plans Employee Contributions Eligible For Employer Match	6.00%
Minimum [Member]
Note 13 - Employee Savings and Investment Plans (Details) [Line Items]
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent	1.00%
Maximum [Member]
Note 13 - Employee Savings and Investment Plans (Details) [Line Items]
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent	50.00%

X

- Definition

Defined contribution plan percent of employee contributions matched by employer.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

X

- Definition

Defined contribution plans employee contributions eligible for employer match.

+ References

No definition available.

+ Details

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Namespace Prefix:	lndc_
Data Type:	num:percentItemType
Balance Type:	na
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X

- Details

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Data Type:	xbrli:stringItemType
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X

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Definition

Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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X

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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