Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Goodwill [Roll Forward]
Beginning balance			$ 3,470.1	$ 3,419.6
Acquired during the period				64.7
Foreign exchange translation			0.3	(1.1)
Impairment during the period	$ (231.2)	$ 0.0	(231.2)	0.0
Ending balance	3,239.2	3,483.2	3,239.2	3,483.2
Consumer Products
Goodwill [Roll Forward]
Beginning balance			1,584.7	1,584.9
Acquired during the period				0.0
Foreign exchange translation			0.1	(0.2)
Impairment during the period			0.0
Ending balance	1,584.8	1,584.7	1,584.8	1,584.7
Wizards of the Coast and Digital Gaming
Goodwill [Roll Forward]
Beginning balance			371.5	307.3
Acquired during the period				64.7
Foreign exchange translation			0.2	(0.1)
Impairment during the period			0.0
Ending balance	371.7	371.9	371.7	371.9
Entertainment
Goodwill [Roll Forward]
Beginning balance			1,513.9	1,527.4
Acquired during the period				0.0
Foreign exchange translation			0.0	(0.8)
Impairment during the period			(231.2)
Ending balance	$ 1,282.7	$ 1,526.6	$ 1,282.7	$ 1,526.6