Segment Reporting - Net Revenues by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 1,339.2	$ 1,322.2	$ 2,502.3	$ 2,437.0
Affiliate Revenue	0.0	0.0	0.0	0.0
Corporate and Other
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	0.0	0.0	0.0	0.0
Affiliate Revenue	(210.9)	(139.2)	(346.4)	(249.0)
Consumer Products
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	734.2	689.2	1,407.0	1,343.1
Consumer Products | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	734.2	689.2	1,407.0	1,343.1
Consumer Products | Affiliate
Segment Reporting, Revenue Reconciling Item [Line Items]
Affiliate Revenue	145.2	96.9	237.1	167.2
Wizards of the Coast and Digital Gaming
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	419.8	406.3	682.6	648.5
Wizards of the Coast and Digital Gaming | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	419.8	406.3		648.5
Wizards of the Coast and Digital Gaming | Affiliate
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues			682.6
Affiliate Revenue	52.9	29.7	82.6	55.1
Entertainment
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	185.2	226.7	412.7	445.4
Entertainment | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	185.2	226.7	412.7	445.4
Entertainment | Affiliate
Segment Reporting, Revenue Reconciling Item [Line Items]
Affiliate Revenue	$ 12.8	$ 12.6	$ 26.7	$ 26.7