Revenue Recognition - Net Revenues by Category (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Revenue from External Customer [Line Items]
Net revenues	$ 757.3	$ 1,001.0
Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	316.3	295.2
Entertainment
Revenue from External Customer [Line Items]
Net revenues	28.0	185.4
Tabletop Gaming | Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	228.2	217.9
Digital and Licensed Gaming | Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	88.1	77.3
Film and TV | Entertainment
Revenue from External Customer [Line Items]
Net revenues	0.0	168.4
Family Brands | Entertainment
Revenue from External Customer [Line Items]
Net revenues	$ 28.0	$ 17.0