Segment Reporting - Total Assets by Segments (Details) - USD ($) $ in Millions	Jun. 26, 2022	Dec. 26, 2021	Jun. 27, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 9,503.0	$ 10,037.8	$ 10,102.2
Corporate and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	(4,398.4)	(2,525.6)	(276.7)
Consumer Products | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	5,318.9	4,925.5	3,508.7
Wizards of the Coast and Digital Gaming | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	2,295.8	1,585.1	745.8
Entertainment | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 6,286.7	$ 6,052.8	$ 6,124.4