Segment Reporting - Operating Profit (Loss) by Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss):	$ 116.2	$ 17.9
Interest expense	38.5	46.3
Interest income	(8.3)	(6.0)
Other non-operating expense (income)	5.0	(1.4)
Earnings (loss) before income taxes	81.0	(21.0)
Corporate and Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss):	34.5	(4.2)
Consumer Products | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss):	(46.9)	(46.0)
Wizards of the Coast and Digital Gaming | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss):	122.8	76.8
Entertainment | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Operating profit (loss):	$ 5.8	$ (8.7)