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v3.19.1

General (Details Textual) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 28, 2019 | Mar. 29, 2018 | Dec. 27, 2018
Summary of Significant Accounting Policies [Line Items] |  |  |
Depreciation | $ 15,955,000 | $ 14,036,000 |
Percentage Of Cash Dividends | 110.00% |  |
Deferred Revenue | $ 36,562,000 |  | $ 37,048,000
Deferred Revenue, Revenue Recognized | 10,183,000 |  |
Revenue, Remaining Performance Obligation, Amount | 4,823,000 |  |
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent | $ 46,741,000 |  | 56,908,000
Redeemed Revenue From Advanced Tickets Sales Occured | 2 years |  |
Hotels or Resorts [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Revenue, Remaining Performance Obligation, Amount | $ 192,000 |  |
Contract Revenue Reclassified From Deferred Revenue | 2,342,000 |  |
Revenue Performance Obligation [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent | 71,000 |  |
Fair Value, Inputs, Level 1 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Trading Securities, Fair Value Disclosure | 5,697,000 |  | 5,302,000
Fair Value, Inputs, Level 2 [Member] |  |  |
Summary of Significant Accounting Policies [Line Items] |  |  |
Interest Rate Fair Value Hedge Asset at Fair Value | $ 719,000 |  | $ 205,000

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