Schedule of Changes Increased (Decreased) Admissions, Concession and Other Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	$ 754,235	$ 710,748	$ 2,423,259	$ 2,241,553
Admissions Revenues
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	427,616		1,389,110
Admissions Revenues | Adoption of ASC Topic 606 | Adjustments due to Adoption of ASC Topic 606
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	(1,524)		(4,724)
Concession Revenues
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	264,165	$ 247,027	831,243	$ 777,573
Concession Revenues | Adoption of ASC Topic 606 | Adjustments due to Adoption of ASC Topic 606
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	(725)		(1,932)
Other Revenues
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	30,024		101,531
Other Revenues | Adoption of ASC Topic 606 | Adjustments due to Adoption of ASC Topic 606
Increase Decrease in Revenues ASU 2014-09 Transition [Line Items]
Revenues	$ 25,794		$ 85,963