Business Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 26, 2019	Sep. 26, 2019	Jun. 27, 2019	Mar. 28, 2019	Dec. 27, 2018	Sep. 27, 2018	Jun. 28, 2018	Mar. 29, 2018	Dec. 26, 2019	Dec. 27, 2018	Dec. 28, 2017
Segment Reporting Information [Line Items]
Revenues	$ 206,862	$ 211,462	$ 232,500	$ 170,039	$ 175,032	$ 170,599	$ 193,298	$ 168,191	$ 820,863	$ 707,120	$ 653,552
Operating income (loss)	13,379	$ 22,387	$ 27,475	$ 4,950	14,653	$ 22,413	$ 29,107	$ 17,016	68,191	83,189	77,307
Depreciation and amortization									72,277	61,342	51,719
Assets	1,359,186				989,331				1,359,186	989,331	1,017,797
Capital expenditures and acquisitions	94,167				58,660				94,167	58,660	114,804
Theatres [Member]
Segment Reporting Information [Line Items]
Revenues									557,080	446,804	403,431
Operating income (loss)									76,903	88,790	80,447
Depreciation and amortization									51,202	38,760	33,448
Assets	953,299				624,512				953,299	624,512	637,723
Capital expenditures and acquisitions	61,604				43,568				61,604	43,568	93,676
Hotels/Resorts [Member]
Segment Reporting Information [Line Items]
Revenues									263,350	259,892	249,564
Operating income (loss)									10,050	12,480	12,895
Depreciation and amortization									20,430	22,229	17,912
Assets	337,206				306,162				337,206	306,162	313,942
Capital expenditures and acquisitions	31,783				14,931				31,783	14,931	20,604
Corporate Items [Member]
Segment Reporting Information [Line Items]
Revenues									433	424	557
Operating income (loss)									(18,762)	(18,081)	(16,035)
Depreciation and amortization									645	353	359
Assets	68,681				58,657				68,681	58,657	66,132
Capital expenditures and acquisitions	$ 780				$ 161				$ 780	$ 161	$ 524