Segment Reporting - Net Revenues by Category (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2022	Dec. 26, 2021	Dec. 27, 2020
Revenue from External Customer [Line Items]
Net revenues	$ 5,856.7	$ 6,420.4	$ 5,465.4
Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	1,325.1	1,286.6	906.7
Wizards of the Coast and Digital Gaming | Tabletop Gaming
Revenue from External Customer [Line Items]
Net revenues	1,067.0	950.6	659.6
Wizards of the Coast and Digital Gaming | Digital and Licensed Gaming
Revenue from External Customer [Line Items]
Net revenues	258.1	336.0	247.1
Entertainment
Revenue from External Customer [Line Items]
Net revenues	959.1	1,152.2	909.1
Entertainment | Film and TV
Revenue from External Customer [Line Items]
Net revenues	837.6	932.5	700.5
Entertainment | Family Brands
Revenue from External Customer [Line Items]
Net revenues	79.4	132.9	86.5
Entertainment | Music and Other
Revenue from External Customer [Line Items]
Net revenues	$ 42.1	$ 86.8	$ 122.1