Segment Reporting - Net Revenues by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	$ 860,279	$ 984,537	$ 1,965,849	$ 1,717,047
Net revenues, affiliate	0	0	0	0
Corporate and Eliminations
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	0	0	0	0
Net revenues, affiliate	(276,775)	(325,924)	(475,929)	(559,214)
U.S. and Canada | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	359,720	510,529	788,367	868,380
Net revenues, affiliate	3,724	2,996	7,052	4,845
International | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	249,812	377,438	500,215	660,087
Net revenues, affiliate	0	145	0	186
Entertainment, Licensing and Digital | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	89,825	96,506	173,852	188,500
Net revenues, affiliate	838	2,165	1,808	4,140
eOne | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	160,922	0	503,415	0
Net revenues, affiliate	0	0	0	0
Global Operations | Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues, external	0	64	0	80
Net revenues, affiliate	$ 272,213	$ 320,618	$ 467,069	$ 550,043