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Note 19. Employee Retirement Plan (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 29, 2013 | Dec. 30, 2012
Compensation and Retirement Disclosure [Abstract] |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 4.00% |
Defined Benefit Plan, Contributions by Employer | $ 0.1 | $ 0.1
Defined Contribution Vesting Term | 5 years |

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | laco_DefinedContributionVestingTerm
Namespace Prefix: | laco_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Maximum percentage of employee gross pay the employee 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
Period Type: | duration