Revenue Recognition - Net Revenues by Category (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Revenue from External Customer [Line Items]
Net revenues	$ 1,281.3	$ 1,503.4	$ 3,033.9	$ 3,714.4
Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	404.0	423.6	1,172.3	1,094.4
Entertainment
Revenue from External Customer [Line Items]
Net revenues	17.2	122.9	64.0	487.5
Tabletop Gaming \| Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	296.8	290.5	832.6	806.9
Digital and Licensed Gaming \| Wizards of the Coast and Digital Gaming
Revenue from External Customer [Line Items]
Net revenues	107.2	133.1	339.7	287.5
Film and TV \| Entertainment
Revenue from External Customer [Line Items]
Net revenues	1.6	102.1	3.4	423.8
Family Brands \| Entertainment
Revenue from External Customer [Line Items]
Net revenues	$ 15.6	$ 20.8	$ 60.6	$ 63.7

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details