General - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 27, 2024	Jun. 29, 2023	Jun. 27, 2024	Jun. 29, 2023	Dec. 28, 2023
Summary of Significant Accounting Policies [Line Items]
Depreciation	$ 16,701,000	$ 15,986,000	$ 32,715,000	$ 31,854,000
Goodwill, impairment loss			$ 0	0
Percentage of cash dividends			110.00%
Cash and cash equivalents	32,810,000		$ 32,810,000		$ 55,589,000
Senior notes	70,000,000		70,000,000		70,000,000
Convertible senior notes	60,050,000		60,050,000		100,050,000
Deferred revenue	39,705,000		39,705,000		38,034,000
Contract assets	0		0		0
Deferred revenue, revenue recognized			12,789,000	10,875,000
Theatres | Operating Segments
Summary of Significant Accounting Policies [Line Items]
Remaining performance obligation related to gift cards	15,178,000		15,178,000
Hotels/ Resorts | Operating Segments
Summary of Significant Accounting Policies [Line Items]
Remaining performance obligation related to hotels gift cards	4,254,000		$ 4,254,000
Expected period for revenue from non-redeemed gift cards			2 years
Advanced Sale Of Tickets
Summary of Significant Accounting Policies [Line Items]
Remaining performance obligation, amount	1,989,000		$ 1,989,000
Expected period for redeemed revenue from advanced tickets and gift cards sales occurred			2 years
Level 1
Summary of Significant Accounting Policies [Line Items]
Trading securities, fair value	6,835,000		$ 6,835,000		5,364,000
Level 1 | Money Market Funds
Summary of Significant Accounting Policies [Line Items]
Cash and cash equivalents	18,000,000		18,000,000		37,018,000
Level 2
Summary of Significant Accounting Policies [Line Items]
Senior notes	66,573,000		66,573,000
Level 2 | Convertible Debt
Summary of Significant Accounting Policies [Line Items]
Debt instrument, fair value	70,212,000		70,212,000
Level 2 | Recurring
Summary of Significant Accounting Policies [Line Items]
Fair value, asset (liability)	0		0		0
Level 3
Summary of Significant Accounting Policies [Line Items]
Impairment of fixed assets			472,000	$ 0
Impaired assets	0		0
Level 3 | Recurring
Summary of Significant Accounting Policies [Line Items]
Fair value, asset (liability)	$ 0		$ 0		$ 0