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Note 12 - Promotional Allowances (Details) (USD $) | 12 Months Ended
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Dec. 28, 2014 | Dec. 29, 2013 | Dec. 30, 2012
Promotional Allowances [Abstract] |  |  |
Promotional Allowances | $ 3,184,000 us-gaap_PromotionalAllowances | $ 1,136,000 us-gaap_PromotionalAllowances | $ 0 us-gaap_PromotionalAllowances

X
- Details
Name: | laco_PromotionalAllowancesAbstract
Namespace Prefix: | laco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 605 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6472957&loc=d3e51325-107943 + Details
Name: | us-gaap_PromotionalAllowances
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration