Segment Reporting - Operating Profit (Loss) by Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	$ (188.6)	$ 219.1	$ (170.7)	$ 339.1
Interest expense	46.6	41.7	92.9	83.3
Interest income	(5.8)	(2.7)	(11.8)	(4.8)
Other (income) expense, net	(1.5)	0.2	(2.9)	0.5
Earnings (loss) before income taxes	(227.9)	179.9	(248.9)	260.1
Corporate and Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	(18.1)	(14.3)	(22.3)	(21.5)
Consumer Products | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	11.4	(6.5)	(34.6)	2.1
Wizards of the Coast and Digital Gaming | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	142.3	225.6	219.1	332.0
Entertainment | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss)	$ (324.2)	$ 14.3	$ (332.9)	$ 26.5