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General - Additional information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 25, 2020
Mar. 26, 2020
Jun. 27, 2019
Jun. 25, 2020
Jun. 27, 2019
Dec. 26, 2019
Summary of Significant Accounting Policies [Line Items]            
Depreciation $ 18,852,000   $ 18,284,000 $ 37,886,000 $ 34,239,000  
Percentage Of Cash Dividends       110.00%    
Deferred Revenue 38,654,000     $ 38,654,000   $ 43,200,000
Contract assets 0     0   0
Deferred Revenue, Revenue Recognized       11,482,000    
Remaining Performance Obligation Related to Advanced Ticket Sales 4,634,000     4,634,000    
Remaining Performance Obligation Related to Hotels Gift Cards       2,714,000    
Trade Names [Member]            
Summary of Significant Accounting Policies [Line Items]            
Impairment charge   $ 2,200,000   2,200,000    
Fair Value, Inputs, Level 1 [Member]            
Summary of Significant Accounting Policies [Line Items]            
Trading Securities, Fair Value Disclosure 488,000     488,000   5,825,000
Fair Value, Inputs, Level 2 [Member]            
Summary of Significant Accounting Policies [Line Items]            
Interest Rate Fair Value Hedge Liability at Fair Value $ 2,157,000     $ 2,157,000   $ 1,194,000