Amount of property, plant, and equipment acquired in business combination and recognized at acquisition date.

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Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Long-Lived Assets - Narrative (Details) $ in Thousands	6 Months Ended
Long-Lived Assets - Narrative (Details) $ in Thousands	Jun. 29, 2025 USD ($)	May 01, 2025 a	Jul. 01, 2024 USD ($)
Property, Plant and Equipment [Line Items]
Estimated increase in depreciation expense	$ 19,000
Discontinued Operations, Held-for-Sale \| Six Flags American And Hurricane Harbor
Property, Plant and Equipment [Line Items]
Area of land (in acres) \| a		500
Former Six Flags
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 2,710,053		$ 3,356,409