Basis of Presentation (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	May 19, 2022	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022	Dec. 25, 2022	Dec. 26, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Non-cash impairment charges		$ 296.2
Impairment of goodwill		231.2	$ 0.0	$ 231.2	$ 0.0
Impairment of intangible assets		65.0		65.0	0.0
Goodwill		$ 3,239.2	$ 3,483.2	$ 3,239.2	$ 3,483.2	$ 3,470.1	$ 3,419.6
D&D Beyond
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate purchase price	$ 146.3
Intangible assets acquired	81.4
Goodwill	$ 64.7