General - Basis of Presentation (Details) $ in Millions	6 Months Ended
	Jul. 02, 2023 USD ($) item	Jan. 01, 2023 USD ($)	Jul. 03, 2022 USD ($)
General - Basis of Presentation
Number of parks owned or operated	27
Number of reporting units	1
Valuation allowance | $	$ 98.1	$ 96.0	$ 108.4
Accrued interest and penalties, income taxes | $	0.0	0.0	0.0
Allowance for doubtful accounts | $	$ 9.3	$ 4.1	$ 6.7
Minimum
General - Basis of Presentation
Percentage of park attendance and revenues typically occurring in second and third calendar quarters	70.00%
Maximum
General - Basis of Presentation
Percentage of park attendance and revenues typically occurring in second and third calendar quarters	75.00%
United States
General - Basis of Presentation
Number of parks owned or operated	24
Mexico
General - Basis of Presentation
Number of parks owned or operated	2
Canada
General - Basis of Presentation
Number of parks owned or operated	1