Segment Reporting - Total Assets by Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2023	Jun. 26, 2022	Jul. 02, 2023	Jun. 26, 2022	Dec. 25, 2022
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 8,609.7	$ 9,503.0	$ 8,609.7	$ 9,503.0	$ 9,295.9
Corporate and Other
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	(6,903.5)	(4,398.4)	(6,903.5)	(4,398.4)	(5,703.8)
Transformation office and consulting fees		19.1		21.5
Corporate and Other | Operational Excellence
Segment Reporting, Asset Reconciling Item [Line Items]
Transformation office and consulting fees	10.4		21.0
Consumer Products | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	5,954.2	5,318.9	5,954.2	5,318.9	5,757.7
Wizards of the Coast and Digital Gaming | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	3,634.9	2,295.8	3,634.9	2,295.8	2,968.7
Entertainment | Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 5,924.1	$ 6,286.7	$ 5,924.1	$ 6,286.7	$ 6,273.3