Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net revenues:
Total revenues	$ 473,666	$ 483,175	$ 1,100,233	$ 1,092,262
Costs and expenses:
Cost of food, merchandise and other revenues	37,843	36,062	87,062	85,012
Operating expenses (exclusive of depreciation and amortization shown separately below)	175,634	198,781	495,917	544,354
Selling, general and administrative expenses	64,632	51,549	174,601	186,076
Restructuring and other separation costs	1,207	3,866	3,839	16,392
Depreciation and amortization	40,822	41,187	120,325	119,635
Total costs and expenses	320,138	331,445	881,744	951,469
Operating income	153,528	151,730	218,489	140,793
Other income, net	(86)	(59)	(138)	(38)
Interest expense	21,463	19,500	64,063	59,974
Income before income taxes	132,151	132,289	154,564	80,857
Provision for income taxes	34,123	36,301	40,905	25,016
Net income	98,028	95,988	113,659	55,841
Other comprehensive income:
Unrealized gain (loss) on derivatives, net of tax	374	1,149	(4,556)	11,116
Comprehensive income	$ 98,402	$ 97,137	$ 109,103	$ 66,957
Earnings per share:
Earnings per share, basic	$ 1.25	$ 1.11	$ 1.40	$ 0.65
Earnings per share, diluted	$ 1.24	$ 1.10	$ 1.39	$ 0.64
Weighted average common shares outstanding:
Basic	78,164	86,616	81,003	86,410
Diluted	78,804	87,542	81,738	87,029
Admissions [Member]
Net revenues:
Total revenues	$ 268,048	$ 279,873	$ 624,789	$ 635,682
Food, Merchandise and Other [Member]
Net revenues:
Total revenues	$ 205,618	$ 203,302	$ 475,444	$ 456,580