Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 28, 2026 |
Mar. 29, 2026 |
Sep. 28, 2025 |
Jun. 29, 2025 |
Jun. 28, 2026 |
Jun. 29, 2025 |
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| Business Combination [Line Items] | ||||||
| Impairment of intangible assets and goodwill | $ 0 | $ 0 | $ 38,640 | $ 0 | ||
| Six Flags And Schlitterbahn | Goodwill | ||||||
| Business Combination [Line Items] | ||||||
| Impairment of intangible assets and goodwill | $ 1,340,000 | |||||
| Six Flags | Trade names | ||||||
| Business Combination [Line Items] | ||||||
| Impairment of intangible assets | $ 37,100 | 169,300 | ||||
| Schlitterbahn | Trade names | ||||||
| Business Combination [Line Items] | ||||||
| Impairment of intangible assets | $ 1,600 | $ 6,400 | ||||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of impairment loss for finite- and indefinite-lived intangible assets, goodwill, and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of impairment loss for finite- and indefinite-lived intangible assets and capitalized cost for software to be sold, leased, or marketed. Excludes goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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