Business Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 28, 2018	Jun. 29, 2017	Jun. 28, 2018	Jun. 29, 2017
Segment Reporting Information [Line Items]
Revenues	[1]	$ 193,298	$ 160,140	$ 361,489	$ 325,596
Operating income (loss)		29,107	19,169	46,123	37,622
Depreciation and amortization		14,426	12,303	28,330	24,551
Theatres [Member]
Segment Reporting Information [Line Items]
Revenues	[1]	125,453	94,357	238,388	206,363
Operating income (loss)		27,877	17,992	51,860	42,715
Depreciation and amortization		9,656	7,808	18,884	15,601
Hotels/Resorts [Member]
Segment Reporting Information [Line Items]
Revenues	[1]	67,713	65,611	122,881	118,951
Operating income (loss)		6,362	5,819	3,713	3,144
Depreciation and amortization		4,684	4,401	9,274	8,758
Corporate Items [Member]
Segment Reporting Information [Line Items]
Revenues	[1]	132	172	220	282
Operating income (loss)		(5,132)	(4,642)	(9,450)	(8,237)
Depreciation and amortization		$ 86	$ 94	$ 172	$ 192

[1] Revenues include cost reimbursements of $8,916 for the 13 weeks ended June 28, 2018 (Theatres - $387, Hotels/Resorts - $8,529); $7,365 for the 13 weeks ended June 29, 2017 (Theatres - $541, Hotels/Resorts - $6,824); $16,688 for the 26 weeks ended June 28, 2018 (Theatres - $866, Hotels/Resorts - $15,822); and $14,867 for the 26 weeks ended June 29, 2017 (Theatres - $1,159, Hotels/Resorts - $13,708).