Goodwill and Intangible Assets - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 28, 2025	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Goodwill [Line Items]
Impairment of goodwill (Note 8)		$ 1,021,900,000	$ 0	$ 1,191,200,000
Goodwill	$ 1,256,700,000	1,256,700,000	2,278,200,000	2,279,200,000
Impairments of indefinite-lived intangible assets	0	0	0	0
Film and TV
Goodwill [Line Items]
Impairment of intangible assets, finite-lived				65,000,000.0
Consumer Products
Goodwill [Line Items]
Impairment of goodwill (Note 8)		1,021,900,000
Goodwill	561,000,000.0	561,000,000.0	1,582,000,000	1,582,300,000
Entertainment
Goodwill [Line Items]
Impairment of goodwill (Note 8)		0
Goodwill	$ 325,200,000	$ 325,200,000	$ 325,200,000	325,200,000
Percentage exceeding carrying amount	15.00%	15.00%
Discount rate	9.50%	9.50%
Terminal value revenue growth rate	3.00%	3.00%
Impairment of intangible assets, finite-lived				$ 51,000,000.0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]				Selling, distribution and administration