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Note 10 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 29, 2015
Mar. 30, 2014
Note 10 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]    
Promotional Allowances $ 764us-gaap_PromotionalAllowances $ 951us-gaap_PromotionalAllowances
Food and Beverage [Member]    
Note 10 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]    
Promotional Allowances 159us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_FoodAndBeverageMember
107us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_FoodAndBeverageMember
Rooms [Member]    
Note 10 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]    
Promotional Allowances 552us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_RoomsMember
808us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_RoomsMember
Other [Member]    
Note 10 - Promotional Allowances (Details) - Estimated Retail Value of Promotional Allowance [Line Items]    
Promotional Allowances $ 53us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_Other1Member
$ 36us-gaap_PromotionalAllowances
/ us-gaap_ProductOrServiceAxis
= laco_Other1Member