Restructuring Program - Additional Information (Detail) - 2016 Restructuring Program [Member] $ in Thousands	3 Months Ended
	Dec. 31, 2016 USD ($) Position
Restructuring Cost And Reserve [Line Items]
Restructuring costs, description	Involved the elimination of approximately 320 positions across all of the Company’s theme parks and corporate headquarters.
Number of positions eliminated | Position	320
Restructuring and other related costs incurred to date | $	$ 8,904