Goodwill - Narrative (Details) - USD ($) $ in Millions		9 Months Ended
	May 19, 2022	Oct. 01, 2023	Sep. 25, 2022	Dec. 25, 2022	Dec. 26, 2021
Goodwill [Line Items]
Impairment during the period		$ 231.2	$ 11.8
Goodwill		$ 3,238.8	$ 3,469.8	$ 3,470.1	$ 3,419.6
D&D Beyond
Goodwill [Line Items]
Aggregate purchase price	$ 146.3
Goodwill	$ 64.7