Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2024	Sep. 28, 2023	Sep. 26, 2024	Sep. 28, 2023
Segment Reporting Information [Line Items]
Revenues	$ 232,668	$ 208,766	$ 547,247	$ 568,049
Operating income (loss)	32,782	20,933	18,354	32,755
Depreciation and amortization	17,274	19,158	49,988	51,028
Operating Segments | Theatres
Segment Reporting Information [Line Items]
Revenues	143,843	126,585	326,565	359,811
Operating income (loss)	21,761	11,377	18,803	32,707
Depreciation and amortization	11,347	14,258	33,900	37,063
Operating Segments | Hotels/ Resorts
Segment Reporting Information [Line Items]
Revenues	88,738	82,098	220,432	207,975
Operating income (loss)	17,041	14,377	17,996	15,450
Depreciation and amortization	5,789	4,817	15,701	13,706
Corporate Items
Segment Reporting Information [Line Items]
Revenues	87	83	250	263
Operating income (loss)	(6,020)	(4,821)	(18,445)	(15,402)
Depreciation and amortization	$ 138	$ 83	$ 387	$ 259