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Revenue Recognition (Details Textual) - USD ($)
12 Months Ended
Dec. 27, 2018
Dec. 29, 2017
Dec. 28, 2017
Deferred Revenue $ 37,048,000 $ 36,007,000  
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent $ 56,908,000   $ 56,662,000
Redeemed Revenue From Advanced Tickets Sales Occured 2 years    
Deferred Revenue, Revenue Recognized $ 24,840,000    
Advanced Sale Of Tickets [Member]      
Revenue, Remaining Performance Obligation, Amount 5,162,000    
Revenue Performance Obligation [Member]      
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent 74,000    
Hotels Or Resorts [Member]      
Contract Revenue Reclassified From Deferred Revenue 2,626,000    
Revenue, Remaining Performance Obligation, Amount $ 195,000