Revenue - Disaggregation of Revenue (Details) $ in Thousands		3 Months Ended
	Jan. 01, 2020 USD ($)	Apr. 04, 2021 USD ($) item	Mar. 31, 2020 USD ($)	Jan. 01, 2021 USD ($)	Jan. 31, 2020 USD ($)
Revenue
Revenues		$ 82,024	$ 102,503
Number of distinct obligations within international agreements | item		3
Long-term contracts
Revenue
Revenues		$ 12,170	15,852
Contract with customer, liability				$ 77,600	$ 85,100
Contract with customer, liability, revenue recognized	$ 10,200	8,400
Short-term contracts and other
Revenue
Revenues		69,854	86,651
Park admissions
Revenue
Revenues		44,334	59,806
Park admissions | Long-term contracts
Revenue
Revenues		7,010	5,762
Park admissions | Short-term contracts and other
Revenue
Revenues		37,324	54,044
Park food, merchandise and other
Revenue
Revenues		31,224	29,806
Park food, merchandise and other | Long-term contracts
Revenue
Revenues		997	820
Park food, merchandise and other | Short-term contracts and other
Revenue
Revenues		30,227	28,986
Sponsorship international agreements and accommodations
Revenue
Revenues		6,466	12,891
Sponsorship international agreements and accommodations | Long-term contracts
Revenue
Revenues		4,163	9,270
Sponsorship international agreements and accommodations | Short-term contracts and other
Revenue
Revenues		$ 2,303	$ 3,621