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Earnings per Share (Tables)

3 Months Ended

Mar. 29, 2026

Earnings Per Share [Abstract]

Schedule of Share Amounts Used in Calculating Basic and Diluted Earnings Per Common Share

The share amounts used in calculating the basic and diluted earnings per share of common stock for the three months ended March 29, 2026 and March 30, 2025 are as follows:

(In thousands, except per share amounts)									Three months ended
															March 29, 2026						March 30, 2025
Net loss attributable to Six Flags Entertainment Corporation															$	(268,600)					$	(219,718)
Basic weighted average shares of common stock															101,485						100,094
Diluted weighted average shares of common stock															101,485						100,094
Basic															$	(2.65)					$	(2.20)
Diluted															$	(2.65)					$	(2.20)

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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