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v3.21.1

General - Additional information (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Apr. 01, 2021 | Mar. 26, 2020 | Dec. 31, 2020
Summary of Significant Accounting Policies [Line Items] |  |  |
Depreciation | $ 17,958,000 | $ 19,034,000 |
Percentage Of Cash Dividends | 110.00% |  |
Deferred Revenue | $ 38,773,000 |  | $ 37,307,000
Contract assets | 0 |  | 0
Deferred Revenue, Revenue Recognized | 2,240,000 | 11,240,000 |
Remaining Performance Obligation Related to Advanced Ticket Sales | 4,579,000 |  |
Remaining Performance Obligation Related to Hotels Gift Cards | 2,944,000 |  |
Trade names |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Impairment charge |  | $ 2,200,000 |
Fair Value, Inputs, Level 1 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Trading Securities, Fair Value Disclosure | $ 1,715,000 |  | $ 1,415,000

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