Summary of Significant Accounting Policies - Narrative (Details) shares in Millions			3 Months Ended							12 Months Ended
	May 19, 2022 USD ($)	Jun. 29, 2021 USD ($)	Dec. 25, 2022 USD ($)	Sep. 25, 2022 USD ($)	Dec. 26, 2021 USD ($)	Sep. 26, 2021 USD ($)	Mar. 28, 2021 segment	Dec. 27, 2020 USD ($)	Mar. 29, 2020 USD ($)	Dec. 25, 2022 USD ($) shares	Dec. 26, 2021 USD ($) shares	Dec. 27, 2020 USD ($) shares
Property, Plant and Equipment [Line Items]
Asset impairments										$ 281,000,000.0	$ 0	$ 71,500,000
Impairment of intangible assets, finite-lived			$ 281,000,000
Goodwill			3,470,100,000		$ 3,419,600,000			$ 3,691,700,000		3,470,100,000	3,419,600,000	3,691,700,000
Restricted cash			14,500,000		35,800,000					14,500,000	35,800,000
Goodwill impairment			0	$ 11,800,000						11,800,000	108,800,000
Number of reporting segments | segment							3
Proceeds from sale of business, net of cash										$ 0	$ 378,500,000	$ 0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]										Selling, distribution and administration
Percentage of revenues from sales of finished products										76.00%	74.00%	77.00%
Program cost amortization period										10 years
Selling, distribution and administration										$ 1,666,100,000	$ 1,432,700,000	$ 1,252,100,000
Deferred tax assets, valuation allowance			189,800,000		171,200,000					$ 189,800,000	$ 171,200,000
Antidilutive securities excluded from computation of earnings (in shares) | shares										2.7	2.2	2.8
Entertainment
Property, Plant and Equipment [Line Items]
Goodwill			$ 1,513,900,000		1,527,400,000			2,252,900,000		$ 1,513,900,000	$ 1,527,400,000	$ 2,252,900,000
Goodwill impairment										$ 11,800,000	108,800,000
Digital Game
Property, Plant and Equipment [Line Items]
Revenue recognition, period from purchase										6 months
Shipping and handling
Property, Plant and Equipment [Line Items]
Selling, distribution and administration										$ 247,700,000	264,100,000	$ 228,000,000
Production Financing Facilities
Property, Plant and Equipment [Line Items]
Debt instrument term										2 years
Entertainment and Production Assets
Property, Plant and Equipment [Line Items]
Impairment of intangible assets, finite-lived								$ 30,700,000	$ 20,000,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | eOne Music
Property, Plant and Equipment [Line Items]
Goodwill impairment											108,800,000
Proceeds from sale of business, net of cash		$ 397,000,000				$ 397,000,000
Minimum
Property, Plant and Equipment [Line Items]
Finite-lived intangible asset, useful life										2 years
Minimum | Land and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										15 years
Minimum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										15 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										3 years
Maximum
Property, Plant and Equipment [Line Items]
Finite-lived intangible asset, useful life										19 years
Maximum | Land and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										19 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										25 years
Maximum | Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										12 years
Maximum | Tools, dies and molds
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life										3 years
The Network, Joint Venture
Property, Plant and Equipment [Line Items]
Impairment loss					$ 74,100,000
Gain on change in value of joint venture option agreement											$ 20,100,000
D&D Beyond
Property, Plant and Equipment [Line Items]
Aggregate purchase price	$ 146,300,000
Intangible assets	81,400,000
Goodwill	$ 64,700,000
Blueprint 2.0
Property, Plant and Equipment [Line Items]
Restructuring charges										$ 322,400,000
Loss on assets held for sale										21,100,000
Asset impairments										281,300,000
Impairment of intangible assets, finite-lived										281,000,000
Inventory reserve and asset write offs										14,900,000
Blueprint 2.0 | Entertainment
Property, Plant and Equipment [Line Items]
Asset impairments										4,100,000
Operational Excellence Program
Property, Plant and Equipment [Line Items]
Restructuring charges										106,400,000
Severance charges										94,100,000
Restructuring consulting fees										$ 12,300,000